fix(sqllab): invalidate the dataset-save gate when the editor SQL changes

fix(sql_lab): return 400 not 500 when raise_for_access hits malformed Jinja
2026-08-21 07:31:17 +00:00 · 2026-08-19 16:52:40 +02:00 · 2026-08-19 16:02:09 +02:00
72 changed files with 512 additions and 2584 deletions
@@ -48,7 +48,7 @@ jobs:
          python-version: "3.11"

      - name: Install uv
-        uses: astral-sh/setup-uv@ae62891fec2bb8e7d6c99fc78c9fec3a63790f8d # v10.0.0
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
        with:
          python-version: "3.11"
          enable-cache: true
@@ -67,7 +67,7 @@ jobs:

      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
-        uses: github/codeql-action/init@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7
+        uses: github/codeql-action/init@5595ccaf912efad79be6eef63a5619ff05969be3 # v4.37.6
        with:
          languages: ${{ matrix.language }}
          # If you wish to specify custom queries, you can do so here or in a config file.
@@ -78,6 +78,6 @@ jobs:
          # queries: security-extended,security-and-quality

      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7
+        uses: github/codeql-action/analyze@5595ccaf912efad79be6eef63a5619ff05969be3 # v4.37.6
        with:
          category: "/language:${{matrix.language}}"
@@ -64,8 +64,8 @@
    "antd": "^6.6.0",
    "baseline-browser-mapping": "^2.11.13",
    "caniuse-lite": "^1.0.30001809",
-    "docusaurus-plugin-openapi-docs": "^5.2.0",
-    "docusaurus-theme-openapi-docs": "^5.2.0",
+    "docusaurus-plugin-openapi-docs": "^5.1.3",
+    "docusaurus-theme-openapi-docs": "^5.1.3",
    "js-yaml": "^5.2.3",
    "json-bigint": "^1.0.0",
    "prism-react-renderer": "^2.4.1",
@@ -78,7 +78,7 @@
    "remark-import-partial": "^0.0.2",
    "reselect": "^5.2.0",
    "storybook": "^10.5.7",
-    "swagger-ui-react": "^5.32.13",
+    "swagger-ui-react": "^5.32.12",
    "swc-loader": "^0.2.7",
    "tinycolor2": "^1.4.2",
    "unist-util-visit": "^5.1.0"
@@ -93,7 +93,7 @@
    "@typescript-eslint/parser": "^8.67.0",
    "eslint": "^9.39.2",
    "eslint-plugin-react": "^7.37.5",
-    "globals": "^17.11.0",
+    "globals": "^17.9.0",
    "oxfmt": "^0.63.0",
    "typescript": "~6.0.3",
    "typescript-eslint": "^8.67.0",
@@ -8014,10 +8014,10 @@ doctrine@^2.1.0:
  dependencies:
    esutils "^2.0.2"

-docusaurus-plugin-openapi-docs@^5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/docusaurus-plugin-openapi-docs/-/docusaurus-plugin-openapi-docs-5.2.0.tgz#8318ec90cd21fed023be57696211af7d72fd81db"
-  integrity sha512-MjrfRAMB64uvdxRVz6L9AXWe4QFjCdoBAzYs306yyI3nnXHsFj2lv2FnLA90JV9CAUZaGiYMvvkzBo2Nrkq/9w==
+docusaurus-plugin-openapi-docs@^5.1.3:
+  version "5.1.3"
+  resolved "https://registry.yarnpkg.com/docusaurus-plugin-openapi-docs/-/docusaurus-plugin-openapi-docs-5.1.3.tgz#b8cd5f8451aaf881deb1a744a8295685f1681865"
+  integrity sha512-HnpblSBdXoR39VNTIW9zWERUsMJxXOpvdQoBKyaTkUBPwCM48Z76+ndo2yO2vADq+EhWjJlfxL1DUzCrgNjThQ==
  dependencies:
    "@apidevtools/json-schema-ref-parser" "^15.3.3"
    "@redocly/openapi-core" "^2.25.2"
@@ -8035,10 +8035,10 @@ docusaurus-plugin-openapi-docs@^5.2.0:
    swagger2openapi "^7.0.8"
    xml-formatter "^3.6.6"

-docusaurus-theme-openapi-docs@^5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/docusaurus-theme-openapi-docs/-/docusaurus-theme-openapi-docs-5.2.0.tgz#6d93a74e2e3cf0ae77d24e1c4144bd2e74a52115"
-  integrity sha512-L0b80LzaMUfr76a9EQXRPCf8nxkEz8Xo6Aknnke1UeE2oXsgoiVki6U+RTE7GmJRjO8zSNKXyckGmGmqqWuHeA==
+docusaurus-theme-openapi-docs@^5.1.3:
+  version "5.1.3"
+  resolved "https://registry.yarnpkg.com/docusaurus-theme-openapi-docs/-/docusaurus-theme-openapi-docs-5.1.3.tgz#e23644a63785352abbc76e42760c0dfdff3669e1"
+  integrity sha512-npbD1QahtjAEmrOet/86i5fTmcJX4/rPhVT+c0qKjm7StUNbyqjwchSVBQuU1rB69T51JOA9TpT/y6QcB9Xjvw==
  dependencies:
    "@hookform/error-message" "^2.0.1"
    "@reduxjs/toolkit" "^2.8.2"
@@ -8123,7 +8123,7 @@ domhandler@^5.0.2, domhandler@^5.0.3:
  dependencies:
    domelementtype "^2.3.0"

-dompurify@^3.3.3, dompurify@^3.4.13:
+dompurify@^3.3.3, dompurify@^3.4.12:
  version "3.4.13"
  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.4.13.tgz#fc28949d59f92d62e28a3a764bcbeee35897a1be"
  integrity sha512-2vmYIoqjze2d+kakP8S/nS5shfsl587kzwEjcGlTdiksUVgFHnFCsLYDVj/JNqJVOQZGSYBTmuycv0PodwmnMQ==
@@ -9174,10 +9174,10 @@ globals@^14.0.0:
  resolved "https://registry.yarnpkg.com/globals/-/globals-14.0.0.tgz#898d7413c29babcf6bafe56fcadded858ada724e"
  integrity sha512-oahGvuMGQlPw/ivIYBjVSrWAfWLBeku5tpPE2fOPLi+WHffIWbuh2tCjhyQhTBPMf5E9jDEH4FOmTYgYwbKwtQ==

-globals@^17.11.0:
-  version "17.11.0"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-17.11.0.tgz#d643485bb30220d7751e511cf4f68c73d3870d87"
-  integrity sha512-Z2I8hM+PbJDXQDq3Icgpzv+mPdwr68iZUU9d5WW4FuXfDUQfkZaZuvjMv42/5crNyw154+9+VWXbYrUgDXbxNw==
+globals@^17.9.0:
+  version "17.9.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-17.9.0.tgz#e43f252d6bbe71508da43902a1709c8895a59f70"
+  integrity sha512-m/MvAW61QVU5VDNF1Vj8axt016h8w7L5TU1e9zlab7XIttAT2YAlCwl75K1fOqvMM9apmD7lbCIRhpfkhmxhCg==

 globalthis@^1.0.4:
  version "1.0.4"
@@ -10284,10 +10284,10 @@ js-levenshtein@^1.1.6:
  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
  integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==

-js-yaml@4.1.0, js-yaml@=4.3.1, js-yaml@^4.1.0, js-yaml@^4.1.1, js-yaml@^4.2.0, js-yaml@^4.3.0:
-  version "4.3.1"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.3.1.tgz#01216c001d67f48e2cd560d708c7af21090a3848"
-  integrity sha512-CY6crGq313MX8GkwvB7tzgp99vjQxY1++5y10/BKN/GUfHqWaOGQMNZkBvqSzsZKWk/ijwHlWzzkLulsGHhjWQ==
+js-yaml@4.1.0, js-yaml@=4.3.0, js-yaml@^4.1.0, js-yaml@^4.1.1, js-yaml@^4.2.0, js-yaml@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.3.0.tgz#d1900572a7f7cf0b5f540c83673e60bad3436592"
+  integrity sha512-1td788aAnnZ5qs7V2QIRl1owjtYpbKt749Y3xauqQgwIIGF/xXWz1wMTEBx5O3LK3lXLVuqXPdPxj2BoFHaW9Q==
  dependencies:
    argparse "^2.0.1"

@@ -15103,10 +15103,10 @@ swagger-client@^3.37.8:
    "@swagger-api/apidom-parser-adapter-openapi-yaml-3-2" "^1.12.0"
    "@swagger-api/apidom-parser-adapter-yaml-1-2" "^1.12.0"

-swagger-ui-react@^5.32.13:
-  version "5.32.13"
-  resolved "https://registry.yarnpkg.com/swagger-ui-react/-/swagger-ui-react-5.32.13.tgz#04c96140b0a2d4ea01ebec4d4cfc655d5ed9a500"
-  integrity sha512-XIDl+Ny6kE1N8wpSPiOFrjPfAevs4GR4XmV6BT6NLMikkMFIbIVocWbA8pnKYyYXQe8Rccfli5o2zDfySw0FnQ==
+swagger-ui-react@^5.32.12:
+  version "5.32.12"
+  resolved "https://registry.yarnpkg.com/swagger-ui-react/-/swagger-ui-react-5.32.12.tgz#47525a26774eb02db0e6203af72f5b32fa6205cc"
+  integrity sha512-WCdkNOQyMTZDu+z356FpwVWHf1dwZgQPUjdQPh1L4r7jULaJTKKlIItXq6WsZdYeXvsHndMdxxccEQXOAroUHQ==
  dependencies:
    "@babel/runtime-corejs3" "^7.27.1"
    "@scarf/scarf" "=1.4.0"
@@ -15115,11 +15115,11 @@ swagger-ui-react@^5.32.13:
    classnames "^2.5.1"
    css.escape "1.5.1"
    deep-extend "0.6.0"
-    dompurify "^3.4.13"
+    dompurify "^3.4.12"
    ieee754 "^1.2.1"
    immutable "^4.3.9"
    js-file-download "^0.4.12"
-    js-yaml "=4.3.1"
+    js-yaml "=4.3.0"
    lodash "^4.18.1"
    prop-types "^15.8.1"
    randexp "^0.5.3"
@@ -99,7 +99,7 @@
        "geostyler-openlayers-parser": "^5.7.1",
        "geostyler-style": "11.0.2",
        "geostyler-wfs-parser": "^3.0.1",
-        "google-auth-library": "^11.0.2",
+        "google-auth-library": "^11.0.1",
        "immer": "^11.1.16",
        "interweave": "^13.1.1",
        "jquery": "^4.0.0",
@@ -186,7 +186,7 @@
        "@storybook/test-runner": "0.24.4",
        "@svgr/webpack": "^8.1.0",
        "@swc/core": "^1.15.47",
-        "@swc/plugin-emotion": "^14.19.0",
+        "@swc/plugin-emotion": "^14.15.0",
        "@swc/plugin-transform-imports": "^12.5.0",
        "@testing-library/dom": "^10.4.1",
        "@testing-library/jest-dom": "^7.0.1",
@@ -11808,9 +11808,9 @@
      }
    },
    "node_modules/@swc/plugin-emotion": {
-      "version": "14.19.0",
-      "resolved": "https://registry.npmjs.org/@swc/plugin-emotion/-/plugin-emotion-14.19.0.tgz",
-      "integrity": "sha512-0/q84ro0a7kdjpYpn9Wmi5/RLHYuSwYjO638lE5ZBQfIvYpSLJxbEgLsObCmdH4KPe2stoN8plVKUpCsKPggaw==",
+      "version": "14.15.0",
+      "resolved": "https://registry.npmjs.org/@swc/plugin-emotion/-/plugin-emotion-14.15.0.tgz",
+      "integrity": "sha512-nCsTO7mOOPz2UnT3N6YWb014uI0CVxeKg53A/KM/CvuSIE6H3KPkhaziJQ3q2jI3u3LfFuDKEnU5ZmB1330Dqg==",
      "dev": true,
      "license": "Apache-2.0",
      "dependencies": {
@@ -22783,9 +22783,9 @@
      "license": "MIT"
    },
    "node_modules/google-auth-library": {
-      "version": "11.0.2",
-      "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-11.0.2.tgz",
-      "integrity": "sha512-vzpgPutxrghPsnjrjpzLX2bdv8IOL719Rh0oEjGnQu8YCIbnbMuTTQ5zU9LcKvLdOPgCxBwppbvnhgW90Qna5Q==",
+      "version": "11.0.1",
+      "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-11.0.1.tgz",
+      "integrity": "sha512-ZqfaYduu9ASUaFuUk5dF9g9QvufdhhSj7jFiEnCrTQcH57sFPKYetM0iU4dcKkQk6CqC1xpSrVr5uQ9NhqjNOg==",
      "license": "Apache-2.0",
      "dependencies": {
        "base64-js": "^1.3.0",
@@ -43420,13 +43420,22 @@
      "license": "Apache-2.0",
      "dependencies": {
        "d3": "^3.5.17",
-        "prop-types": "^15.8.1"
+        "prop-types": "^15.8.1",
+        "react": "^19.2.7"
      },
      "peerDependencies": {
        "@apache-superset/core": "*",
        "@superset-ui/chart-controls": "*",
-        "@superset-ui/core": "*",
-        "react": "^18.3.0"
+        "@superset-ui/core": "*"
+      }
+    },
+    "plugins/plugin-chart-chord/node_modules/react": {
+      "version": "19.2.8",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.2.8.tgz",
+      "integrity": "sha512-PWaYA1L/q9u2u7xYQi+Y3L3Yfnie7XyLeaJICV1MGD6LprsBxcAqGjYyr0eY3p+QdsA+x/Irkt4Qif8D63+Sbw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
      }
    },
    "plugins/plugin-chart-country-map": {
@@ -176,7 +176,7 @@
    "geostyler-openlayers-parser": "^5.7.1",
    "geostyler-style": "11.0.2",
    "geostyler-wfs-parser": "^3.0.1",
-    "google-auth-library": "^11.0.2",
+    "google-auth-library": "^11.0.1",
    "immer": "^11.1.16",
    "interweave": "^13.1.1",
    "jquery": "^4.0.0",
@@ -263,7 +263,7 @@
    "@storybook/test-runner": "0.24.4",
    "@svgr/webpack": "^8.1.0",
    "@swc/core": "^1.15.47",
-    "@swc/plugin-emotion": "^14.19.0",
+    "@swc/plugin-emotion": "^14.15.0",
    "@swc/plugin-transform-imports": "^12.5.0",
    "@testing-library/dom": "^10.4.1",
    "@testing-library/jest-dom": "^7.0.1",
@@ -130,7 +130,6 @@ export enum GenericDataType {
  String = 1,
  Temporal = 2,
  Boolean = 3,
-  MultiValue = 4,
 }

 /**
@@ -28,7 +28,6 @@ import {
  FieldBinaryOutlined,
  FieldStringOutlined,
  NumberOutlined,
-  UnorderedListOutlined,
 } from '@ant-design/icons';
 import { Icons } from '@superset-ui/core/components';

@@ -73,10 +72,6 @@ export function ColumnTypeLabel({ type }: ColumnTypeLabelProps) {
    typeIcon = <FieldBinaryOutlined aria-label={t('boolean type icon')} />;
  } else if (type === GenericDataType.Temporal) {
    typeIcon = <ClockCircleOutlined aria-label={t('temporal type icon')} />;
-  } else if (type === GenericDataType.MultiValue) {
-    typeIcon = (
-      <UnorderedListOutlined aria-label={t('multi-value type icon')} />
-    );
  }

  return <TypeIconWrapper>{typeIcon}</TypeIconWrapper>;
@@ -64,21 +64,4 @@ describe('ColumnOption', () => {
    renderColumnTypeLabel({ type: GenericDataType.Temporal });
    expect(screen.getByLabelText('temporal type icon')).toBeVisible();
  });
-  test('multi-value (array) type shows list icon', () => {
-    renderColumnTypeLabel({ type: GenericDataType.MultiValue });
-    expect(screen.getByLabelText('multi-value type icon')).toBeVisible();
-  });
-});
-
-describe('GenericDataType enum parity', () => {
-  // These numeric values are shared with the backend enum in
-  // superset/utils/core.py (GenericDataType). They must stay in sync because
-  // the backend serializes columns using these integers.
-  test('values match the backend contract', () => {
-    expect(GenericDataType.Numeric).toBe(0);
-    expect(GenericDataType.String).toBe(1);
-    expect(GenericDataType.Temporal).toBe(2);
-    expect(GenericDataType.Boolean).toBe(3);
-    expect(GenericDataType.MultiValue).toBe(4);
-  });
 });
@@ -47,10 +47,6 @@ export default defineConfig({
  // Retry logic - 2 retries in CI, 0 locally
  retries: process.env.CI ? 2 : 0,

-  // Disable capturing Git commit info as the project's history is increasingly dense
-  // and breach Playwright's default 3-seconds `git` command timeout limit
-  captureGitInfo: { commit: false, diff: false },
-
  // Reporter configuration - multiple reporters for better visibility
  reporter: process.env.CI
    ? [
@@ -30,12 +30,12 @@
  },
  "dependencies": {
    "d3": "^3.5.17",
-    "prop-types": "^15.8.1"
+    "prop-types": "^15.8.1",
+    "react": "^19.2.7"
  },
  "peerDependencies": {
    "@apache-superset/core": "*",
    "@superset-ui/chart-controls": "*",
-    "@superset-ui/core": "*",
-    "react": "^18.3.0"
+    "@superset-ui/core": "*"
  }
 }
@@ -17,10 +17,6 @@
 * under the License.
 */

-import { getNumberFormatter } from '@superset-ui/core';
-import { render, fireEvent } from '../../../../spec/helpers/testing-library';
-import BigNumberVis from './BigNumberViz';
-
 /**
 * Tests for the color threshold formatter logic in BigNumberViz.
 *
@@ -87,33 +83,3 @@ describe('BigNumberViz color formatters', () => {
    expect(getColorFromValue).not.toHaveBeenCalled();
  });
 });
-
-describe('BigNumberViz context menu', () => {
-  test('invokes onContextMenu and stops the event bubbling to ancestor handlers', () => {
-    const onContextMenu = jest.fn();
-    const ancestorHandler = jest.fn();
-
-    const { container } = render(
-      <div onContextMenu={ancestorHandler}>
-        <BigNumberVis
-          width={200}
-          height={100}
-          bigNumber={42}
-          headerFormatter={getNumberFormatter()}
-          headerFontSize={0.3}
-          subheaderFontSize={0.125}
-          subtitleFontSize={0.125}
-          subtitle=""
-          refs={{}}
-          onContextMenu={onContextMenu}
-        />
-      </div>,
-    );
-
-    const headerLine = container.querySelector('.header-line');
-    fireEvent.contextMenu(headerLine!, { clientX: 10, clientY: 20 });
-
-    expect(onContextMenu).toHaveBeenCalledWith(10, 20);
-    expect(ancestorHandler).not.toHaveBeenCalled();
-  });
-});
@@ -224,7 +224,6 @@ function BigNumberVis({
    const handleContextMenu = (e: MouseEvent<HTMLDivElement>) => {
      if (onContextMenu) {
        e.preventDefault();
-        e.stopPropagation();
        onContextMenu(e.nativeEvent.clientX, e.nativeEvent.clientY);
      }
    };
@@ -390,7 +390,6 @@ export default function transformProps(chartProps: EchartsGanttChartProps) {
    [GenericDataType.String]: undefined,
    [GenericDataType.Temporal]: tooltipTimeFormatter,
    [GenericDataType.Boolean]: undefined,
-    [GenericDataType.MultiValue]: undefined,
  };

  const echartOptions: EChartsCoreOption = {
@@ -16,7 +16,7 @@
 * specific language governing permissions and limitations
 * under the License.
 */
-import { render, screen } from 'spec/helpers/testing-library';
+import { render, screen, userEvent } from 'spec/helpers/testing-library';
 import SaveDatasetActionButton from 'src/SqlLab/components/SaveDatasetActionButton';

 // eslint-disable-next-line no-restricted-globals -- TODO: Migrate from describe blocks
@@ -41,4 +41,37 @@ describe('SaveDatasetActionButton', () => {
    expect(saveBtn).toBeVisible();
    expect(saveDatasetBtn).toBeVisible();
  });
+
+  test('disables only the dataset button when saveDatasetDisabled is set', () => {
+    const onSaveAsExplore = jest.fn();
+    render(
+      <SaveDatasetActionButton
+        setShowSave={() => true}
+        onSaveAsExplore={onSaveAsExplore}
+        saveDatasetDisabled
+      />,
+    );
+
+    // Saving the query needs no results.
+    expect(screen.getByRole('button', { name: 'Save' })).toBeEnabled();
+    expect(
+      screen.getByRole('button', { name: /save dataset/i }),
+    ).toBeDisabled();
+  });
+
+  test('explains why the dataset button is unavailable', async () => {
+    render(
+      <SaveDatasetActionButton
+        setShowSave={() => true}
+        onSaveAsExplore={jest.fn()}
+        saveDatasetDisabled
+      />,
+    );
+
+    userEvent.hover(screen.getByRole('button', { name: /save dataset/i }));
+
+    expect(
+      await screen.findByText('You must run the query successfully first'),
+    ).toBeInTheDocument();
+  });
 });
@@ -23,11 +23,14 @@ import { Button } from '@superset-ui/core/components';
 interface SaveDatasetActionButtonProps {
  setShowSave: (arg0: boolean) => void;
  onSaveAsExplore?: () => void;
+  /** Set while the query has not run successfully. */
+  saveDatasetDisabled?: boolean;
 }

 const SaveDatasetActionButton = ({
  setShowSave,
  onSaveAsExplore,
+  saveDatasetDisabled = false,
 }: SaveDatasetActionButtonProps) => (
  <>
    <Button
@@ -44,7 +47,12 @@ const SaveDatasetActionButton = ({
        variant="text"
        onClick={() => onSaveAsExplore?.()}
        icon={<Icons.TableOutlined />}
-        tooltip={t('Save or Overwrite Dataset')}
+        tooltip={
+          saveDatasetDisabled
+            ? t('You must run the query successfully first')
+            : t('Save or Overwrite Dataset')
+        }
+        disabled={saveDatasetDisabled}
        aria-label={t('Save dataset')}
      />
    )}
@@ -19,12 +19,14 @@
 import { act, type ComponentProps } from 'react';
 import {
  cleanup,
+  createStore,
  fireEvent,
  render,
  screen,
  userEvent,
  waitFor,
 } from 'spec/helpers/testing-library';
+import reducerIndex from 'spec/helpers/reducerIndex';
 import fetchMock from 'fetch-mock';
 import { SaveDatasetModal } from 'src/SqlLab/components/SaveDatasetModal';
 import { createDatasource } from 'src/SqlLab/actions/sqlLab';
@@ -63,6 +65,12 @@ beforeEach(() => {
  cleanup();
 });

+afterEach(() => {
+  // In-body restores are skipped when an assertion throws, leaking a
+  // configured spy into later tests.
+  jest.restoreAllMocks();
+});
+
 // Mock createDatasource to return a thunk that resolves with the dataset's
 // new id. The test's mock store includes redux-thunk middleware (from RTK's
 // getDefaultMiddleware), so dispatch(createDatasource(...)) properly unwraps
@@ -518,6 +526,39 @@ describe('SaveDatasetModal', () => {
    });
  });

+  test('surfaces the error and keeps the modal open when saving fails', async () => {
+    // The chart-payload step's toast was built but never dispatched, so a
+    // failure there was silent.
+    const postFormData = jest.spyOn(
+      require('src/explore/exploreUtils/formData'),
+      'postFormData',
+    );
+    postFormData.mockRejectedValue(new Error('Boom'));
+    const onHide = jest.fn();
+    const store = createStore({ user }, reducerIndex);
+
+    render(<SaveDatasetModal {...mockedProps} onHide={onHide} />, { store });
+
+    fireEvent.change(screen.getByDisplayValue(/unimportant/i), {
+      target: { value: 'my dataset' },
+    });
+    userEvent.click(screen.getByRole('button', { name: /save/i }));
+
+    // `createStore` builds its reducer map at runtime, so state isn't typed.
+    const toasts = () =>
+      (
+        store.getState() as unknown as {
+          messageToasts: { toastType: string }[];
+        }
+      ).messageToasts;
+
+    await waitFor(() => {
+      expect(toasts()).toHaveLength(1);
+    });
+    expect(toasts()[0].toastType).toBe('DANGER_TOAST');
+    expect(onHide).not.toHaveBeenCalled();
+  });
+
  test('clearDatasetCache is imported and available', () => {
    const { clearDatasetCache } = require('src/utils/cachedSupersetGet');

@@ -61,6 +61,9 @@ import type Subject from 'src/types/Subject';
 import { openInNewTab, redirect } from 'src/utils/navigationUtils';
 import { mapSubjectValuesToIds } from 'src/features/subjects/SubjectPicker';

+// Derived so it can't drift from what `getClientErrorObject` accepts.
+type SaveErrorSource = Parameters<typeof getClientErrorObject>[0];
+
 interface QueryDatabase {
  id?: number;
 }
@@ -391,9 +394,18 @@ export const SaveDatasetModal = ({
        setDatasetName(getDefaultDatasetName());
        onHide();
      })
-      .catch(() => {
+      .catch((error?: SaveErrorSource) => {
        setLoading(false);
-        addDangerToast(t('An error occurred saving dataset'));
+        // `createDatasource` already toasted the server's message and rejects
+        // with nothing; only the chart-payload step needs its own.
+        if (!error) {
+          return;
+        }
+        getClientErrorObject(error).then(e =>
+          dispatch(
+            addDangerToast(e.error || t('An error occurred saving dataset')),
+          ),
+        );
      });
  };

@@ -61,6 +61,28 @@ const splitSaveBtnProps = {
  },
 };

+const EDITOR_SQL = 'SELECT * FROM t';
+
+const stateWithLatestQuery = ({
+  id,
+  state,
+  sql = EDITOR_SQL,
+}: {
+  id: string;
+  state: string;
+  sql?: string;
+}) => ({
+  ...mockState,
+  sqlLab: {
+    ...mockState.sqlLab,
+    queryEditors: mockState.sqlLab.queryEditors.map(qe => ({
+      ...qe,
+      latestQueryId: id,
+    })),
+    queries: { [id]: { id, state, sql } },
+  },
+});
+
 const middlewares = [thunk];
 const mockStore = configureStore(middlewares);

@@ -96,6 +118,59 @@ describe('SavedQuery', () => {
    expect(saveBtn).toBeVisible();
  });

+  test('blocks "Save dataset" until the query has run successfully', () => {
+    // Without a successful run the save can only fail server-side.
+    render(<SaveQuery {...splitSaveBtnProps} />, {
+      useRedux: true,
+      store: mockStore(stateWithLatestQuery({ id: 'qid-1', state: 'failed' })),
+    });
+
+    expect(
+      screen.getByRole('button', { name: /save dataset/i }),
+    ).toBeDisabled();
+    // Saving the query itself is unaffected.
+    expect(screen.getByRole('button', { name: 'Save' })).toBeEnabled();
+  });
+
+  test('blocks "Save dataset" when no query has been run at all', () => {
+    render(<SaveQuery {...splitSaveBtnProps} />, {
+      useRedux: true,
+      store: mockStore(mockState),
+    });
+
+    expect(
+      screen.getByRole('button', { name: /save dataset/i }),
+    ).toBeDisabled();
+  });
+
+  test('blocks "Save dataset" when the SQL changed after a successful run', () => {
+    // The run succeeded, but not for what is in the editor now -- and it is
+    // the editor's SQL that gets saved.
+    render(<SaveQuery {...splitSaveBtnProps} />, {
+      useRedux: true,
+      store: mockStore(
+        stateWithLatestQuery({
+          id: 'qid-1',
+          state: 'success',
+          sql: 'SELECT 1 AS ran_earlier',
+        }),
+      ),
+    });
+
+    expect(
+      screen.getByRole('button', { name: /save dataset/i }),
+    ).toBeDisabled();
+  });
+
+  test('enables "Save dataset" once the query has succeeded', () => {
+    render(<SaveQuery {...splitSaveBtnProps} />, {
+      useRedux: true,
+      store: mockStore(stateWithLatestQuery({ id: 'qid-1', state: 'success' })),
+    });
+
+    expect(screen.getByRole('button', { name: /save dataset/i })).toBeEnabled();
+  });
+
  test('renders a save query modal when user clicks save button', () => {
    render(<SaveQuery {...mockedProps} />, {
      useRedux: true,
@@ -233,7 +308,7 @@ describe('SavedQuery', () => {
  test('renders a save dataset modal when user clicks "save dataset" menu item', async () => {
    render(<SaveQuery {...splitSaveBtnProps} />, {
      useRedux: true,
-      store: mockStore(mockState),
+      store: mockStore(stateWithLatestQuery({ id: 'qid-1', state: 'success' })),
    });

    const saveDatasetMenuItem = await screen.findByLabelText(/save dataset/i);
@@ -247,7 +322,7 @@ describe('SavedQuery', () => {
  test('renders the save dataset modal UI', async () => {
    render(<SaveQuery {...splitSaveBtnProps} />, {
      useRedux: true,
-      store: mockStore(mockState),
+      store: mockStore(stateWithLatestQuery({ id: 'qid-1', state: 'success' })),
    });
    const saveDatasetMenuItem = await screen.findByLabelText(/save dataset/i);
    userEvent.click(saveDatasetMenuItem);
@@ -17,6 +17,8 @@
 * under the License.
 */
 import { useState, useEffect, useMemo, ChangeEvent } from 'react';
+import { useSelector } from 'react-redux';
+import { Query, QueryState } from '@superset-ui/core';
 import type { DatabaseObject } from 'src/features/databases/types';
 import { t } from '@apache-superset/core/translation';
 import { styled } from '@apache-superset/core/theme';
@@ -37,7 +39,7 @@ import {
 } from 'src/SqlLab/components/SaveDatasetModal';
 import { getDatasourceAsSaveableDataset } from 'src/utils/datasourceUtils';
 import useQueryEditor from 'src/SqlLab/hooks/useQueryEditor';
-import { QueryEditor } from 'src/SqlLab/types';
+import { QueryEditor, SqlLabRootState } from 'src/SqlLab/types';
 import useLogAction from 'src/logger/useLogAction';
 import {
  LOG_ACTIONS_SQLLAB_CREATE_CHART,
@@ -111,6 +113,15 @@ const SaveQuery = ({
  const [label, setLabel] = useState<string>(defaultLabel);
  const [showSave, setShowSave] = useState<boolean>(false);
  const [showSaveDatasetModal, setShowSaveDatasetModal] = useState(false);
+  // Saving a dataset runs the SQL to introspect columns, so it needs a
+  // successful run of the SQL being saved -- editing after a run invalidates
+  // it, and running a selection only validates that selection.
+  const latestQuery = useSelector<SqlLabRootState, Query | undefined>(
+    ({ sqlLab }) => sqlLab.queries[queryEditor.latestQueryId || ''],
+  );
+  const hasSuccessfulQuery =
+    latestQuery?.state === QueryState.Success &&
+    latestQuery.sql === queryEditor.sql;
  const isSaved = !!query.remoteId;
  const isLabelEmpty = label.trim().length === 0;
  const canExploreDatabase = !!database?.allows_virtual_table_explore;
@@ -207,6 +218,7 @@ const SaveQuery = ({
        <SaveDatasetActionButton
          setShowSave={setShowSave}
          onSaveAsExplore={canExploreDatabase ? onSaveAsExplore : undefined}
+          saveDatasetDisabled={!hasSuccessfulQuery}
        />
      )}
      <SaveDatasetModal
@@ -1627,7 +1627,9 @@ function DatasourceEditor({
              {t(
                'Default URL to redirect to when accessing from the dataset list page. Accepts relative URLs such as',
              )}{' '}
-              <Typography.Text code>/dashboard/{'{id}'}/</Typography.Text>
+              <Typography.Text code>
+                /superset/dashboard/{'{id}'}/
+              </Typography.Text>
            </>
          }
          control={<TextControl controlId="default_endpoint" />}
@@ -71,17 +71,6 @@ test('renders Tabs', async () => {
  expect(screen.getByTestId('edit-dataset-tabs')).toBeInTheDocument();
 });

-test('recommends a registered client route for the default URL', async () => {
-  await asyncRender(createProps());
-
-  userEvent.click(screen.getByRole('tab', { name: 'Settings' }));
-
-  expect(await screen.findByText('/dashboard/{id}/')).toBeInTheDocument();
-  expect(
-    screen.queryByText('/superset/dashboard/{id}/'),
-  ).not.toBeInTheDocument();
-});
-
 test('can sync columns from source', async () => {
  const testProps = createProps();
  await asyncRender({
@@ -468,7 +468,7 @@ function SliceAdder({
          <AutoSizer>
            {({ height, width }: { height: number; width: number }) => (
              <List
-                style={{ width, height, maxHeight: height }}
+                style={{ width, height }}
                rowCount={filteredSlices.length}
                rowHeight={DEFAULT_CELL_HEIGHT}
                rowProps={listRowProps}
@@ -148,7 +148,7 @@ export const DatasourceItems = ({

  return (
    <List
-      style={{ width: width - BORDER_WIDTH, height, maxHeight: height }}
+      style={{ width: width - BORDER_WIDTH, height }}
      rowHeight={rowHeight}
      rowCount={flattenedItems.length}
      rowProps={rowProps}
@@ -251,11 +251,4 @@ export const DEFAULT_CONFIG_FORM_LAYOUT: ColumnConfigFormLayout = {
      { name: 'horizontalAlign', override: { defaultValue: 'left' } },
    ],
  ],
-  [GenericDataType.MultiValue]: [
-    [
-      'columnWidth',
-      { name: 'horizontalAlign', override: { defaultValue: 'left' } },
-    ],
-    ['truncateLongCells'],
-  ],
 };
@@ -29,9 +29,7 @@ import { ControlFormItemComponents } from './ControlForm';
 * Column formatting configs.
 */
 export type ColumnConfig = {
-  [
-    key in SharedColumnConfigProp
-  ]?: (typeof SHARED_COLUMN_CONFIG_PROPS)[key]['value'];
+  [key in SharedColumnConfigProp]?: (typeof SHARED_COLUMN_CONFIG_PROPS)[key]['value'];
 } & Record<string, StrictJsonValue>;

 /**
@@ -270,74 +270,6 @@ describe('AdhocFilter', () => {
    });
    expect(adhocFilter.comparator).toBe(undefined);
  });
-  // Charts saved before #32701 persisted `==` as the operation for IS_TRUE and
-  // IS_FALSE, alongside a boolean comparator. `translateToSql` and the backend
-  // both key off `operator`, so dropping the comparator would render such a
-  // filter as `col =` and query it as `col IS NULL`.
-  test('keeps the legacy boolean comparator for IS_TRUE', () => {
-    const adhocFilter = new AdhocFilter({
-      expressionType: ExpressionTypes.Simple,
-      subject: 'col',
-      operator: '==',
-      operatorId: Operators.IsTrue,
-      comparator: true,
-      clause: Clauses.Where,
-    });
-    expect(adhocFilter.operator).toBe('==');
-    expect(adhocFilter.comparator).toBe(true);
-    expect(adhocFilter.translateToSql()).toBe("col = 'TRUE'");
-  });
-  test('keeps the legacy boolean comparator for IS_FALSE', () => {
-    const adhocFilter = new AdhocFilter({
-      expressionType: ExpressionTypes.Simple,
-      subject: 'col',
-      operator: '==',
-      operatorId: Operators.IsFalse,
-      comparator: false,
-      clause: Clauses.Where,
-    });
-    expect(adhocFilter.operator).toBe('==');
-    expect(adhocFilter.comparator).toBe(false);
-    expect(adhocFilter.translateToSql()).toBe("col = 'FALSE'");
-  });
-  test('restores the boolean even when the stored comparator is missing', () => {
-    const adhocFilter = new AdhocFilter({
-      expressionType: ExpressionTypes.Simple,
-      subject: 'col',
-      operator: '==',
-      operatorId: Operators.IsTrue,
-      clause: Clauses.Where,
-    });
-    expect(adhocFilter.comparator).toBe(true);
-  });
-  test('keeps a legacy boolean filter intact when the control re-posts it', () => {
-    const stored = {
-      expressionType: ExpressionTypes.Simple,
-      subject: 'col',
-      operator: '==',
-      operatorId: Operators.IsTrue,
-      comparator: true,
-      clause: Clauses.Where,
-    };
-    // DndFilterSelect wraps props.value and hands those instances to onChange
-    const posted = JSON.parse(JSON.stringify(new AdhocFilter(stored)));
-    expect(posted.operator).toBe('==');
-    expect(posted.comparator).toBe(true);
-    expect(posted.operatorId).toBe(Operators.IsTrue);
-  });
-  test('leaves a genuine equality filter on a boolean value alone', () => {
-    const adhocFilter = new AdhocFilter({
-      expressionType: ExpressionTypes.Simple,
-      subject: 'col',
-      operator: '==',
-      operatorId: Operators.Equals,
-      comparator: true,
-      clause: Clauses.Where,
-    });
-    expect(adhocFilter.operator).toBe('==');
-    expect(adhocFilter.comparator).toBe(true);
-    expect(adhocFilter.translateToSql()).toBe("col = 'TRUE'");
-  });
  test('sets the label properly if subject is a string', () => {
    const adhocFilter = new AdhocFilter({
      expressionType: ExpressionTypes.Simple,
@@ -30,15 +30,6 @@ const CUSTOM_OPERATIONS = [...CUSTOM_OPERATORS].map(
  op => OPERATOR_ENUM_TO_OPERATOR_TYPE[op].operation,
 );

-// Charts saved before #32701 store `==` for IS_TRUE/IS_FALSE with the boolean
-// in the comparator; blanking it makes them query `col IS NULL`. Restoring it
-// leaves the emitted SQL untouched -- reconciling `operator` to `IS TRUE`
-// would not, and Druid rejects that predicate on VARCHAR columns.
-const LEGACY_BOOLEAN_COMPARATORS = new Map<string, boolean>([
-  [Operators.IsTrue, true],
-  [Operators.IsFalse, false],
-]);
-
 interface AdhocFilterInput {
  expressionType?: string;
  subject?: string | { column_name?: string; [key: string]: unknown } | null;
@@ -86,16 +77,6 @@ export default class AdhocFilter {
      ) {
        this.comparator = undefined;
      }
-      if (
-        this.operator ===
-          OPERATOR_ENUM_TO_OPERATOR_TYPE[Operators.Equals].operation &&
-        adhocFilter.operatorId &&
-        LEGACY_BOOLEAN_COMPARATORS.has(adhocFilter.operatorId)
-      ) {
-        this.comparator = LEGACY_BOOLEAN_COMPARATORS.get(
-          adhocFilter.operatorId,
-        );
-      }
      this.clause = adhocFilter.clause || Clauses.Where;
      this.sqlExpression = null;
    } else if (this.expressionType === ExpressionTypes.Sql) {
@@ -367,22 +367,8 @@ function AdhocFilterEditPopover({
              </ErrorBoundary>
            ),
          },
-          ...(datasource?.type === 'semantic_view' ||
-          [
-            Operators.ContainsAny,
-            Operators.ContainsAll,
-            Operators.IsEmpty,
-            Operators.IsNotEmpty,
-            Operators.LengthEquals,
-            Operators.LengthGreaterThan,
-            Operators.LengthLessThan,
-            Operators.LengthGreaterThanOrEqual,
-            Operators.LengthLessThanOrEqual,
-          ].includes(adhocFilter.operatorId as Operators)
-            ? // Hide the Custom SQL tab for element-level array operators: they
-              // have no portable SQL representation, and converting one would
-              // silently turn the filter into invalid raw SQL.
-              []
+          ...(datasource?.type === 'semantic_view'
+            ? []
            : [
                {
                  key: ExpressionTypes.Sql,
@@ -35,7 +35,6 @@ import {
 } from 'src/explore/constants';
 import AdhocMetric from 'src/explore/components/controls/MetricControl/AdhocMetric';
 import { FeatureFlag, isFeatureEnabled } from '@superset-ui/core';
-import { GenericDataType } from '@apache-superset/core/common';
 import fetchMock from 'fetch-mock';

 import { TestDataset, Dataset } from '@superset-ui/chart-controls';
@@ -253,78 +252,6 @@ test('shows boolean only operators when subject is number', () => {
  ].map(operator => expect(isOperatorRelevant(operator, 'value')).toBe(true));
 });

-test('shows array operators (tier 1 + tier 2) when subject is multi-value', () => {
-  const props = setup({
-    adhocFilter: new AdhocFilter({
-      expressionType: ExpressionTypes.Simple,
-      subject: 'skills',
-      operatorId: undefined,
-      operator: undefined,
-      comparator: undefined,
-      clause: undefined,
-    }),
-    datasource: {
-      columns: [
-        {
-          id: 3,
-          column_name: 'skills',
-          type: 'Array(String)',
-          type_generic: GenericDataType.MultiValue,
-        },
-      ],
-    },
-  });
-  const { isOperatorRelevant } = useSimpleTabFilterProps(
-    props as unknown as Props,
-  );
-  // Tier 1 (whole-array) + Tier 2 (element-level) are all relevant.
-  [
-    Operators.Equals,
-    Operators.NotEquals,
-    Operators.In,
-    Operators.NotIn,
-    Operators.IsNull,
-    Operators.IsNotNull,
-    Operators.ContainsAny,
-    Operators.ContainsAll,
-    Operators.IsEmpty,
-    Operators.IsNotEmpty,
-  ].forEach(operator =>
-    expect(isOperatorRelevant(operator, 'skills')).toBe(true),
-  );
-  // scalar-only operators are hidden for array columns
-  [Operators.GreaterThan, Operators.LessThan, Operators.Like].forEach(
-    operator => expect(isOperatorRelevant(operator, 'skills')).toBe(false),
-  );
-});
-
-test('hides element-level array operators for non multi-value columns', () => {
-  const props = setup({
-    adhocFilter: new AdhocFilter({
-      expressionType: ExpressionTypes.Simple,
-      subject: 'value',
-      operatorId: undefined,
-      operator: undefined,
-      comparator: undefined,
-      clause: undefined,
-    }),
-    datasource: {
-      columns: [{ id: 3, column_name: 'value', type: 'STRING' }],
-    },
-  });
-  const { isOperatorRelevant } = useSimpleTabFilterProps(
-    props as unknown as Props,
-  );
-  [
-    Operators.ContainsAny,
-    Operators.ContainsAll,
-    Operators.IsEmpty,
-    Operators.IsNotEmpty,
-  ].forEach(operator =>
-    expect(isOperatorRelevant(operator, 'value')).toBe(false),
-  );
-});
-
 test('will convert from individual comparator to array if the operator changes to multi', () => {
  const props = setup();
  const { onOperatorChange } = useSimpleTabFilterProps(
@@ -382,49 +309,6 @@ test('will convert from array to individual comparators if the operator changes
  );
 });

-test('resets the comparator when switching between array value families', () => {
-  // Equal to (whole-array literal) -> Contains all (individual elements):
-  // the value spaces are incompatible, so the stale value must be cleared.
-  const wholeArrayFilter = new AdhocFilter({
-    expressionType: ExpressionTypes.Simple,
-    subject: 'scores',
-    operatorId: Operators.Equals,
-    operator: OPERATOR_ENUM_TO_OPERATOR_TYPE[Operators.Equals].operation,
-    comparator: '[5,6,7]',
-    clause: Clauses.Where,
-  });
-  const props = setup({ adhocFilter: wholeArrayFilter });
-  const { onOperatorChange } = useSimpleTabFilterProps(
-    props as unknown as Props,
-  );
-  onOperatorChange(Operators.ContainsAll);
-  const lastCall =
-    props.onChange.mock.calls[props.onChange.mock.calls.length - 1][0];
-  expect(lastCall.operatorId).toEqual(Operators.ContainsAll);
-  expect(lastCall.comparator).toBeUndefined();
-});
-
-test('keeps the value when switching within the element family', () => {
-  // Contains any <-> Contains all both take individual elements, so the
-  // selected elements should carry over.
-  const elementFilter = new AdhocFilter({
-    expressionType: ExpressionTypes.Simple,
-    subject: 'scores',
-    operatorId: Operators.ContainsAny,
-    operator: OPERATOR_ENUM_TO_OPERATOR_TYPE[Operators.ContainsAny].operation,
-    comparator: ['5', '6'],
-    clause: Clauses.Where,
-  });
-  const props = setup({ adhocFilter: elementFilter });
-  const { onOperatorChange } = useSimpleTabFilterProps(
-    props as unknown as Props,
-  );
-  onOperatorChange(Operators.ContainsAll);
-  const lastCall =
-    props.onChange.mock.calls[props.onChange.mock.calls.length - 1][0];
-  expect(lastCall.comparator).toEqual(['5', '6']);
-});
-
 test('passes the new adhocFilter to onChange after onComparatorChange', () => {
  const props = setup();
  const { onComparatorChange } = useSimpleTabFilterProps(
@@ -515,28 +399,6 @@ test('will not display boolean operators when column type is string', () => {
  });
 });

-test.each(['STRING', 'DATE'])(
-  'will not display boolean operators when an expression column declares type %s',
-  type => {
-    const props = setup({
-      datasource: {
-        type: 'table' as const,
-        datasource_name: 'table1',
-        schema: 'schema',
-        columns: [{ column_name: 'value', type, expression: '"value"' }],
-      },
-      adhocFilter: simpleAdhocFilter,
-    });
-    const { isOperatorRelevant } = useSimpleTabFilterProps(
-      props as unknown as Props,
-    );
-    const booleanOnlyOperators = [Operators.IsTrue, Operators.IsFalse];
-    booleanOnlyOperators.forEach(operator => {
-      expect(isOperatorRelevant(operator, 'value')).toBe(false);
-    });
-  },
-);
-
 test('will display boolean operators when column is an expression', () => {
  const props = setup({
    datasource: {
@@ -32,7 +32,6 @@ import {
  isDefined,
  SupersetClient,
 } from '@superset-ui/core';
-import { GenericDataType } from '@apache-superset/core/common';
 import { styled, useTheme, css } from '@apache-superset/core/theme';
 import {
  Operators,
@@ -119,8 +118,6 @@ export const useSimpleTabFilterProps = (props: Props) => {
    const isColumnNumber =
      !!column && (column.type === 'INT' || column.type === 'INTEGER');
    const isColumnFunction = !!column && !!column.expression;
-    const isColumnMultiValue =
-      !!column && column.type_generic === GenericDataType.MultiValue;

    if (operator && operator === Operators.LatestPartition) {
      const { partitionColumn } = props;
@@ -130,41 +127,8 @@ export const useSimpleTabFilterProps = (props: Props) => {
      // hide the TEMPORAL_RANGE operator
      return false;
    }
-    // Element-level array operators only apply to multi-value columns.
-    const arrayElementOperators = [
-      Operators.ContainsAny,
-      Operators.ContainsAll,
-      Operators.IsEmpty,
-      Operators.IsNotEmpty,
-      Operators.LengthEquals,
-      Operators.LengthGreaterThan,
-      Operators.LengthLessThan,
-      Operators.LengthGreaterThanOrEqual,
-      Operators.LengthLessThanOrEqual,
-    ];
-    if (arrayElementOperators.includes(operator)) {
-      return isColumnMultiValue;
-    }
-    if (isColumnMultiValue) {
-      // Array columns support whole-array operators (=, !=, In, Not in, null
-      // checks) plus the element-level operators above. Scalar-only operators
-      // (Like, <, >, <=, >=) are hidden because they aren't valid on an array.
-      return [
-        Operators.Equals,
-        Operators.NotEquals,
-        Operators.In,
-        Operators.NotIn,
-        Operators.IsNull,
-        Operators.IsNotNull,
-        ...arrayElementOperators,
-      ].includes(operator);
-    }
    if (operator === Operators.IsTrue || operator === Operators.IsFalse) {
-      // An expression column may evaluate to a boolean, but that is only a
-      // safe assumption while its type is unknown; a declared type wins.
-      return (
-        isColumnBoolean || isColumnNumber || (isColumnFunction && !column?.type)
-      );
+      return isColumnBoolean || isColumnNumber || isColumnFunction;
    }
    if (isColumnBoolean) {
      return operator === Operators.IsNull || operator === Operators.IsNotNull;
@@ -203,19 +167,9 @@ export const useSimpleTabFilterProps = (props: Props) => {
          ].operation
        : null;
    if (!isDefined(operator)) {
-      // The previous operator is not relevant for the new subject; pick a
-      // sensible default and reset the comparator. Multi-value (array) columns
-      // default to "Contains any" (element membership) rather than the
-      // scalar-only IN.
-      const newColumn = props.datasource.columns?.find(
-        col => col.column_name === subject,
-      );
-      const defaultOperator =
-        newColumn?.type_generic === GenericDataType.MultiValue
-          ? Operators.ContainsAny
-          : Operators.In;
-      operator = defaultOperator;
-      operatorId = defaultOperator;
+      // if operator is `null`, use the `IN` and reset the comparator.
+      operator = Operators.In;
+      operatorId = Operators.In;
      comparator = undefined;
    }

@@ -239,38 +193,10 @@ export const useSimpleTabFilterProps = (props: Props) => {
  };
  const onOperatorChange = (operatorId: Operators) => {
    const currentComparator = props.adhocFilter.comparator;
-    // The value space differs between operator families: element-level array
-    // ops (Contains any/all) take individual elements, whole-array/scalar ops
-    // (=, In, …) take whole arrays or scalars, Length ops take a count, and the
-    // unary ops take nothing. A value from one family is meaningless in another,
-    // so reset the value when the family changes (e.g. Equal to -> Contains all).
-    const comparatorKind = (op?: Operators): string => {
-      if (!op) return 'none';
-      if (op === Operators.ContainsAny || op === Operators.ContainsAll) {
-        return 'element';
-      }
-      if (
-        op === Operators.LengthEquals ||
-        op === Operators.LengthGreaterThan ||
-        op === Operators.LengthLessThan ||
-        op === Operators.LengthGreaterThanOrEqual ||
-        op === Operators.LengthLessThanOrEqual
-      ) {
-        return 'length';
-      }
-      if (DISABLE_INPUT_OPERATORS.includes(op)) return 'none';
-      return 'value';
-    };
-    const valueFamilyChanged =
-      comparatorKind(props.adhocFilter.operatorId as Operators | undefined) !==
-      comparatorKind(operatorId);
-
    let newComparator;
-    if (valueFamilyChanged) {
-      newComparator = undefined;
-    } else if (MULTI_OPERATORS.has(operatorId)) {
-      // convert between list of comparators and individual comparators
-      // (e.g. `in ('North America', 'Africa')` to `== 'North America'`)
+    // convert between list of comparators and individual comparators
+    // (e.g. `in ('North America', 'Africa')` to `== 'North America'`)
+    if (MULTI_OPERATORS.has(operatorId)) {
      newComparator = Array.isArray(currentComparator)
        ? currentComparator
        : [currentComparator].filter(element => element != null);
@@ -507,42 +433,19 @@ const AdhocFilterEditPopoverSimpleTabContent: FC<Props> = props => {
        if (loadingComparatorSuggestions) {
          controller.abort();
        }
-        // Element-level array operators (Contains any / Contains all) search
-        // inside the array, so suggest individual elements; whole-array
-        // operators (=, In, …) keep the default distinct-array suggestions.
-        const { operatorId } = props.adhocFilter;
-        const arrayElements =
-          operatorId === Operators.ContainsAny ||
-          operatorId === Operators.ContainsAll;
        setLoadingComparatorSuggestions(true);
        SupersetClient.get({
          signal,
-          endpoint: `/api/v1/datasource/${datasource.type}/${datasource.id}/column/${col}/values/${
-            arrayElements ? '?array_elements=true' : ''
-          }`,
+          endpoint: `/api/v1/datasource/${datasource.type}/${datasource.id}/column/${col}/values/`,
        })
          .then(({ json }) => {
            setSuggestions(
-              json.result.map((suggestion: unknown) => {
-                // Complex column values arrive as JS arrays or objects: whole
-                // arrays for MULTI_VALUE columns (e.g. [5, 6, 7]) and Map/Tuple
-                // objects for nested-container columns (e.g. {"a": ["x","y"]}).
-                // A raw array/object is neither a valid single-select value
-                // (antd collapses an array to its first element) nor renderable
-                // as a React child (an object throws). Render it as its literal
-                // string, which is also exactly what the backend's
-                // parse_array_literal expects for the whole-array operators.
-                if (suggestion !== null && typeof suggestion === 'object') {
-                  const literal = JSON.stringify(suggestion);
-                  return { value: literal, label: literal };
-                }
-                return {
-                  value: suggestion as null | number | boolean | string,
-                  label: optionLabel(
-                    suggestion as null | number | boolean | string,
-                  ),
-                };
-              }),
+              json.result.map(
+                (suggestion: null | number | boolean | string) => ({
+                  value: suggestion,
+                  label: optionLabel(suggestion),
+                }),
+              ),
            );
            setLoadingComparatorSuggestions(false);
          })
@@ -561,7 +464,6 @@ const AdhocFilterEditPopoverSimpleTabContent: FC<Props> = props => {
  }, [
    props.adhocFilter.subject,
    props.adhocFilter.clause,
-    props.adhocFilter.operatorId,
    props.datasource,
    datePicker,
  ]);
@@ -44,17 +44,6 @@ export const OPERATORS_TO_SQL = {
  'IS NULL': 'IS NULL',
  'IS TRUE': 'IS TRUE',
  'IS FALSE': 'IS FALSE',
-  // Element-level array operators (shown as filter labels; not executable SQL —
-  // the Custom SQL tab is hidden for these).
-  CONTAINS_ANY: 'CONTAINS ANY',
-  CONTAINS_ALL: 'CONTAINS ALL',
-  IS_EMPTY: 'IS EMPTY',
-  IS_NOT_EMPTY: 'IS NOT EMPTY',
-  LENGTH_EQUALS: 'LENGTH =',
-  LENGTH_GREATER_THAN: 'LENGTH >',
-  LENGTH_LESS_THAN: 'LENGTH <',
-  LENGTH_GREATER_THAN_OR_EQUALS: 'LENGTH >=',
-  LENGTH_LESS_THAN_OR_EQUALS: 'LENGTH <=',
  'LATEST PARTITION': ({
    datasource,
  }: {
@@ -22,11 +22,10 @@ import FixedOrMetricControl from '.';
 jest.mock(
  '@superset-ui/core/components/Icons/AsyncIcon',
  () =>
-    ({ fileName }: { fileName: string }) =>
-      (
-        // eslint-disable-next-line jsx-a11y/prefer-tag-over-role -- mirrors AsyncIcon's real span+role="img" shape
-        <span role="img" aria-label={fileName.replace('_', '-')} />
-      ),
+    ({ fileName }: { fileName: string }) => (
+      // eslint-disable-next-line jsx-a11y/prefer-tag-over-role -- mirrors AsyncIcon's real span+role="img" shape
+      <span role="img" aria-label={fileName.replace('_', '-')} />
+    ),
 );

 const createProps = () => ({
@@ -45,17 +45,6 @@ export enum Operators {
  IsTrue = 'IS_TRUE',
  IsFalse = 'IS_FALSE',
  TemporalRange = 'TEMPORAL_RANGE',
-  // Element-level operators for multi-value (array) columns
-  ContainsAny = 'CONTAINS_ANY',
-  ContainsAll = 'CONTAINS_ALL',
-  IsEmpty = 'IS_EMPTY',
-  IsNotEmpty = 'IS_NOT_EMPTY',
-  // Length (element-count) comparison operators for array columns
-  LengthEquals = 'LENGTH_EQUALS',
-  LengthGreaterThan = 'LENGTH_GREATER_THAN',
-  LengthLessThan = 'LENGTH_LESS_THAN',
-  LengthGreaterThanOrEqual = 'LENGTH_GREATER_THAN_OR_EQUALS',
-  LengthLessThanOrEqual = 'LENGTH_LESS_THAN_OR_EQUALS',
 }

 export interface OperatorType {
@@ -100,39 +89,6 @@ export const OPERATOR_ENUM_TO_OPERATOR_TYPE: {
    display: t('TEMPORAL_RANGE'),
    operation: 'TEMPORAL_RANGE',
  },
-  [Operators.ContainsAny]: {
-    display: t('Contains any'),
-    operation: 'CONTAINS_ANY',
-  },
-  [Operators.ContainsAll]: {
-    display: t('Contains all'),
-    operation: 'CONTAINS_ALL',
-  },
-  [Operators.IsEmpty]: { display: t('Is empty'), operation: 'IS_EMPTY' },
-  [Operators.IsNotEmpty]: {
-    display: t('Is not empty'),
-    operation: 'IS_NOT_EMPTY',
-  },
-  [Operators.LengthEquals]: {
-    display: t('Length equals (=)'),
-    operation: 'LENGTH_EQUALS',
-  },
-  [Operators.LengthGreaterThan]: {
-    display: t('Length greater than (>)'),
-    operation: 'LENGTH_GREATER_THAN',
-  },
-  [Operators.LengthLessThan]: {
-    display: t('Length less than (<)'),
-    operation: 'LENGTH_LESS_THAN',
-  },
-  [Operators.LengthGreaterThanOrEqual]: {
-    display: t('Length greater or equal (>=)'),
-    operation: 'LENGTH_GREATER_THAN_OR_EQUALS',
-  },
-  [Operators.LengthLessThanOrEqual]: {
-    display: t('Length less or equal (<=)'),
-    operation: 'LENGTH_LESS_THAN_OR_EQUALS',
-  },
 };

 export const OPERATORS_OPTIONS = Object.values(Operators) as Operators[];
@@ -149,12 +105,7 @@ export const HAVING_OPERATORS = [
  Operators.GreaterThan,
  Operators.GreaterThanOrEqual,
 ];
-export const MULTI_OPERATORS = new Set([
-  Operators.In,
-  Operators.NotIn,
-  Operators.ContainsAny,
-  Operators.ContainsAll,
-]);
+export const MULTI_OPERATORS = new Set([Operators.In, Operators.NotIn]);
 // CUSTOM_OPERATORS will show operator in simple mode,
 // but will generate customized sqlExpression
 export const CUSTOM_OPERATORS = new Set([
@@ -169,8 +120,6 @@ export const DISABLE_INPUT_OPERATORS = [
  Operators.LatestPartition,
  Operators.IsTrue,
  Operators.IsFalse,
-  Operators.IsEmpty,
-  Operators.IsNotEmpty,
 ];

 export const sqlaAutoGeneratedMetricNameRegex =
@@ -82,14 +82,3 @@ test('Should handle boolean true comparator as a string value', () => {
    "subject operator 'TRUE'",
  );
 });
-
-test('Should render array-literal comparators as-is (not quoted)', () => {
-  // Whole-array = filter: the pasted array literal is shown unquoted.
-  expect(getSimpleSQLExpression('ingredients', '=', "['1 large egg']")).toBe(
-    "ingredients = ['1 large egg']",
-  );
-  // IN with multiple array literals.
-  expect(
-    getSimpleSQLExpression('ingredients', Operators.In, ["['a']", "['b']"]),
-  ).toBe(`ingredients ${Operators.In} (['a'], ['b'])`);
-});
@@ -461,15 +461,10 @@ export const getSimpleSQLExpression = (
    if (comparatorArray.length > 0 && showComparator) {
      const formattedComparators = comparatorArray
        .map(val => optionLabel(val))
-        .map(val => {
-          // Array-literal values (e.g. ['a', 'b']) are shown as-is rather than
-          // quoted/escaped as a string, so array-column filters read naturally.
-          const asString = String(val);
-          if (asString.startsWith('[') && asString.endsWith(']')) {
-            return asString;
-          }
-          return `${quote}${isString ? asString.replace(/'/g, "''") : val}${quote}`;
-        });
+        .map(
+          val =>
+            `${quote}${isString ? String(val).replace(/'/g, "''") : val}${quote}`,
+        );
      expression += ` ${prefix}${formattedComparators.join(', ')}${suffix}`;
    }
  }
@@ -38,11 +38,10 @@ import {
 jest.mock(
  '@superset-ui/core/components/Icons/AsyncIcon',
  () =>
-    ({ fileName }: { fileName: string }) =>
-      (
-        // eslint-disable-next-line jsx-a11y/prefer-tag-over-role -- mirrors AsyncIcon's real span+role="img" shape
-        <span role="img" aria-label={fileName.replace('_', '-')} />
-      ),
+    ({ fileName }: { fileName: string }) => (
+      // eslint-disable-next-line jsx-a11y/prefer-tag-over-role -- mirrors AsyncIcon's real span+role="img" shape
+      <span role="img" aria-label={fileName.replace('_', '-')} />
+    ),
 );

 // eslint-disable-next-line no-restricted-globals -- TODO: Migrate from describe blocks
@@ -29,11 +29,10 @@ import DatasetPanelWrapper from 'src/features/datasets/AddDataset/DatasetPanel';
 jest.mock(
  '@superset-ui/core/components/Icons/AsyncIcon',
  () =>
-    ({ fileName }: { fileName: string }) =>
-      (
-        // eslint-disable-next-line jsx-a11y/prefer-tag-over-role -- mirrors AsyncIcon's real span+role="img" shape
-        <span role="img" aria-label={fileName.replace('_', '-')} />
-      ),
+    ({ fileName }: { fileName: string }) => (
+      // eslint-disable-next-line jsx-a11y/prefer-tag-over-role -- mirrors AsyncIcon's real span+role="img" shape
+      <span role="img" aria-label={fileName.replace('_', '-')} />
+    ),
 );

 const errorMessageRegistry = getErrorMessageComponentRegistry();
@@ -31,12 +31,7 @@ import {
 import { Group, Role, UserObject } from 'src/pages/UsersList/types';
 import { Actions } from 'src/constants';
 import { BaseUserListModalProps, FormValues } from './types';
-import {
-  createUser,
-  updateUser,
-  atLeastOneRoleOrGroup,
-  handleUserError,
-} from './utils';
+import { createUser, updateUser, atLeastOneRoleOrGroup } from './utils';

 export interface UserModalProps extends BaseUserListModalProps {
  roles: Role[];
@@ -56,6 +51,36 @@ function UserListModal({
 }: UserModalProps) {
  const { addDangerToast, addSuccessToast } = useToasts();
  const handleFormSubmit = async (values: FormValues) => {
+    const handleError = async (
+      err: any,
+      action: Actions.CREATE | Actions.UPDATE,
+    ) => {
+      let errorMessage =
+        action === Actions.CREATE
+          ? t('There was an error creating the user. Please, try again.')
+          : t('There was an error updating the user. Please, try again.');
+
+      if (err.status === 422) {
+        const errorData = await err.json();
+        const detail = errorData?.message || '';
+
+        if (detail.includes('duplicate key value')) {
+          if (detail.includes('ab_user_username_key')) {
+            errorMessage = t(
+              'This username is already taken. Please choose another one.',
+            );
+          } else if (detail.includes('ab_user_email_key')) {
+            errorMessage = t(
+              'This email is already associated with an account. Please choose another one.',
+            );
+          }
+        }
+      }
+
+      addDangerToast(errorMessage);
+      throw err;
+    };
+
    if (isEditMode) {
      if (!user) {
        throw new Error('User is required in edit mode');
@@ -64,14 +89,14 @@ function UserListModal({
        await updateUser(user.id, values);
        addSuccessToast(t('The user has been updated successfully.'));
      } catch (err) {
-        await handleUserError(err as Response, Actions.UPDATE, addDangerToast);
+        await handleError(err, Actions.UPDATE);
      }
    } else {
      try {
        await createUser(values);
        addSuccessToast(t('The user has been created successfully.'));
      } catch (err) {
-        await handleUserError(err as Response, Actions.CREATE, addDangerToast);
+        await handleError(err, Actions.CREATE);
      }
    }
  };
@@ -1,99 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-import { Actions } from 'src/constants';
-import { handleUserError } from './utils';
-
-test('shows the password validation message from a 400 response', async () => {
-  const error = new Response(
-    JSON.stringify({
-      message: {
-        password: ['Password must be at least 8 characters long.'],
-      },
-    }),
-    { status: 400 },
-  );
-  const addDangerToast = jest.fn();
-
-  await expect(
-    handleUserError(error, Actions.CREATE, addDangerToast),
-  ).rejects.toBe(error);
-  expect(addDangerToast).toHaveBeenCalledWith(
-    'Password must be at least 8 characters long.',
-  );
-});
-
-test('shows a plain string message from a 400 response', async () => {
-  const error = new Response(
-    JSON.stringify({ message: 'User must have at least one role or group!' }),
-    { status: 400 },
-  );
-  const addDangerToast = jest.fn();
-
-  await expect(
-    handleUserError(error, Actions.UPDATE, addDangerToast),
-  ).rejects.toBe(error);
-  expect(addDangerToast).toHaveBeenCalledWith(
-    'User must have at least one role or group!',
-  );
-});
-
-test('keeps the duplicate username message for a 422 response', async () => {
-  const error = new Response(
-    JSON.stringify({
-      message:
-        'duplicate key value violates unique constraint "ab_user_username_key"',
-    }),
-    { status: 422 },
-  );
-  const addDangerToast = jest.fn();
-
-  await expect(
-    handleUserError(error, Actions.CREATE, addDangerToast),
-  ).rejects.toBe(error);
-  expect(addDangerToast).toHaveBeenCalledWith(
-    'This username is already taken. Please choose another one.',
-  );
-});
-
-test('shows the generic message when a 422 response has no message', async () => {
-  const error = new Response(JSON.stringify({ foo: 'bar' }), { status: 422 });
-  const addDangerToast = jest.fn();
-
-  await expect(
-    handleUserError(error, Actions.CREATE, addDangerToast),
-  ).rejects.toBe(error);
-  expect(addDangerToast).toHaveBeenCalledWith(
-    'There was an error creating the user. Please, try again.',
-  );
-});
-
-test('shows the generic message when a 400 response is not JSON', async () => {
-  const error = new Response('<html>Bad request</html>', {
-    status: 400,
-    headers: { 'Content-Type': 'text/html' },
-  });
-  const addDangerToast = jest.fn();
-
-  await expect(
-    handleUserError(error, Actions.CREATE, addDangerToast),
-  ).rejects.toBe(error);
-  expect(addDangerToast).toHaveBeenCalledWith(
-    'There was an error creating the user. Please, try again.',
-  );
-});
@@ -17,49 +17,10 @@
 * under the License.
 */
 import { t } from '@apache-superset/core/translation';
-import { getClientErrorObject, SupersetClient } from '@superset-ui/core';
+import { SupersetClient } from '@superset-ui/core';
 import { SelectOption } from 'src/components/ListView';
-import { Actions } from 'src/constants';
 import { FormValues } from './types';

-type AddDangerToast = (message: string) => void;
-
-export const handleUserError = async (
-  err: Response,
-  action: Actions.CREATE | Actions.UPDATE,
-  addDangerToast: AddDangerToast,
-): Promise<never> => {
-  let errorMessage =
-    action === Actions.CREATE
-      ? t('There was an error creating the user. Please, try again.')
-      : t('There was an error updating the user. Please, try again.');
-
-  if (err.status === 400 || err.status === 422) {
-    const errorData = await getClientErrorObject(err);
-    const message: unknown = errorData.message;
-
-    if (err.status === 400 && message && errorData.error) {
-      errorMessage = errorData.error;
-    } else if (
-      err.status === 422 &&
-      errorData.error?.includes('duplicate key value')
-    ) {
-      if (errorData.error.includes('ab_user_username_key')) {
-        errorMessage = t(
-          'This username is already taken. Please choose another one.',
-        );
-      } else if (errorData.error.includes('ab_user_email_key')) {
-        errorMessage = t(
-          'This email is already associated with an account. Please choose another one.',
-        );
-      }
-    }
-  }
-
-  addDangerToast(errorMessage);
-  throw err;
-};
-
 export const createUser = async (values: FormValues) => {
  const { confirmPassword: _confirmPassword, ...payload } = values;
  if (payload.active == null) {
@@ -1157,34 +1157,6 @@ test('dataset links use internal routing when PREVENT_UNSAFE_DEFAULT_URLS_ON_DAT
  });
 });

-test('legacy dashboard default URLs use the registered client route', async () => {
-  const dataset = {
-    ...mockDatasets[0],
-    explore_url: '/superset/dashboard/123/?standalone=1#section',
-  };
-  mockDatasetListEndpoints({ result: [dataset], count: 1 });
-
-  renderDatasetList(
-    mockAdminUser,
-    {},
-    {
-      common: {
-        conf: {
-          PREVENT_UNSAFE_DEFAULT_URLS_ON_DATASET: true,
-        },
-      },
-    },
-  );
-
-  const datasetLink = await screen.findByRole('link', {
-    name: dataset.table_name,
-  });
-  expect(datasetLink).toHaveAttribute(
-    'href',
-    '/dashboard/123/?standalone=1#section',
-  );
-});
-
 // Note: These delete error tests verify that the modal doesn't open when fetching
 // related_objects fails. The component's openDatasetDeleteModal error handler
 // (index.tsx:262-268) returns a string but doesn't call addDangerToast(), so no
@@ -54,18 +54,10 @@ import {

 const APP_ROOT = '/superset';

-const renderUnderSubdirectory = (preventUnsafeDefaultUrls = false) => {
-  const defaultState = createDefaultStoreState(mockAdminUser);
+const renderUnderSubdirectory = () => {
  const store = createMockStore({
-    ...defaultState,
+    ...createDefaultStoreState(mockAdminUser),
    user: mockAdminUser,
-    common: {
-      ...defaultState.common,
-      conf: {
-        ...defaultState.common?.conf,
-        PREVENT_UNSAFE_DEFAULT_URLS_ON_DATASET: preventUnsafeDefaultUrls,
-      },
-    },
  });
  return render(
    <Provider store={store}>
@@ -123,31 +115,6 @@ test('explore link is single-prefixed under a subdirectory deployment', async ()
  expect(exploreLink.getAttribute('href')).not.toContain('/superset/superset');
 });

-test('legacy dashboard default URL uses the router basename once', async () => {
-  // A subdirectory user pastes the full browser path, so the saved value
-  // carries both the application root and the legacy `/superset` prefix.
-  // stripAppRoot removes the root and the legacy normalization removes the
-  // prefix, leaving the basename to re-add the root exactly once.
-  const dataset = {
-    ...mockDatasets[0],
-    explore_url: `${APP_ROOT}/superset/dashboard/123/?standalone=1#section`,
-  };
-  mockDatasetListEndpoints({ result: [dataset], count: 1 });
-
-  renderUnderSubdirectory(true);
-
-  const dashboardLink = await screen.findByRole('link', {
-    name: dataset.table_name,
-  });
-  expect(dashboardLink).toHaveAttribute(
-    'href',
-    `${APP_ROOT}/dashboard/123/?standalone=1#section`,
-  );
-  expect(dashboardLink.getAttribute('href')).not.toContain(
-    '/superset/superset',
-  );
-});
-
 test('external default_endpoint passes through unprefixed', async () => {
  const dataset = {
    ...mockDatasets[0],
@@ -87,6 +87,7 @@ import withToasts from 'src/components/MessageToasts/withToasts';
 import { Icons } from '@superset-ui/core/components/Icons';
 import WarningIconWithTooltip from '@superset-ui/core/components/WarningIconWithTooltip';
 import { isUserEditorOrAdmin } from 'src/dashboard/util/permissionUtils';
+
 import {
  PAGE_SIZE,
  SORT_BY,
@@ -113,10 +114,6 @@ import type {
 } from 'src/types/bootstrapTypes';
 import type User from 'src/types/User';

-// Keep saved Default URLs compatible with the prefix-free SPA route.
-const normalizeLegacyDashboardUrl = (url: string) =>
-  url.replace(/^\/superset(?=\/dashboard(?:\/|$))/, '');
-
 const SEMANTIC_LAYERS_FLAG = 'SEMANTIC_LAYERS' as FeatureFlag;
 type DatasetExtra = {
  certification?: {
@@ -725,9 +722,7 @@ const DatasetList: FunctionComponent<DatasetListProps> = ({
          // Router basename, which re-prefixes the root — so strip it here to
          // avoid a doubled `/superset/superset/...`. External
          // `default_endpoint` URLs pass through unchanged.
-          const exploreTo = normalizeLegacyDashboardUrl(
-            stripAppRoot(exploreURL),
-          );
+          const exploreTo = stripAppRoot(exploreURL);
          let titleLink: JSX.Element;
          if (PREVENT_UNSAFE_DEFAULT_URLS_ON_DATASET) {
            titleLink = (
@@ -28,7 +28,7 @@
        "@typescript-eslint/parser": "^8.67.0",
        "eslint": "^10.8.1",
        "eslint-config-prettier": "^10.1.8",
-        "globals": "^17.11.0",
+        "globals": "^17.9.0",
        "oxfmt": "^0.63.0",
        "tscw-config": "^1.1.2",
        "typescript": "^6.0.3",
@@ -2053,9 +2053,9 @@
      }
    },
    "node_modules/globals": {
-      "version": "17.11.0",
-      "resolved": "https://registry.npmjs.org/globals/-/globals-17.11.0.tgz",
-      "integrity": "sha512-Z2I8hM+PbJDXQDq3Icgpzv+mPdwr68iZUU9d5WW4FuXfDUQfkZaZuvjMv42/5crNyw154+9+VWXbYrUgDXbxNw==",
+      "version": "17.9.0",
+      "resolved": "https://registry.npmjs.org/globals/-/globals-17.9.0.tgz",
+      "integrity": "sha512-m/MvAW61QVU5VDNF1Vj8axt016h8w7L5TU1e9zlab7XIttAT2YAlCwl75K1fOqvMM9apmD7lbCIRhpfkhmxhCg==",
      "dev": true,
      "license": "MIT",
      "engines": {
@@ -36,7 +36,7 @@
    "@typescript-eslint/parser": "^8.67.0",
    "eslint": "^10.8.1",
    "eslint-config-prettier": "^10.1.8",
-    "globals": "^17.11.0",
+    "globals": "^17.9.0",
    "oxfmt": "^0.63.0",
    "tscw-config": "^1.1.2",
    "typescript": "^6.0.3",
@@ -33,7 +33,11 @@ from superset.commands.dataset.exceptions import (
 )
 from superset.commands.utils import populate_subjects
 from superset.daos.dataset import DatasetDAO
-from superset.exceptions import SupersetParseError, SupersetSecurityException
+from superset.exceptions import (
+    SupersetException,
+    SupersetParseError,
+    SupersetSecurityException,
+)
 from superset.extensions import security_manager
 from superset.sql.parse import Table
 from superset.utils.decorators import on_error, transaction
@@ -50,7 +54,25 @@ class CreateDatasetCommand(CreateMixin, BaseCommand):
        self.validate()

        dataset = DatasetDAO.create(attributes=self._properties)
-        dataset.fetch_metadata()
+        try:
+            dataset.fetch_metadata()
+        except SupersetException as ex:
+            # Not a SQLAlchemyError, so ``on_error`` re-raises it untouched and
+            # it escapes to FAB's ``@safe`` as an opaque 500 "Fatal error".
+            # Deliberately covers the 403 ``SupersetSecurityException`` raised
+            # for mutation/multi-statement SQL too: ``validate()`` already
+            # reports that class of rejection as a 422 on ``sql`` via
+            # ``DatasetDataAccessIsNotAllowed``.
+            raise DatasetInvalidError(
+                exceptions=[
+                    ValidationError(
+                        # ``lazy_gettext`` messages aren't ``str``, so
+                        # marshmallow won't wrap them into a list on its own.
+                        [str(ex.message)],
+                        field_name="sql" if self._properties.get("sql") else "table",
+                    )
+                ]
+            ) from ex
        return dataset

    def validate(self) -> None:  # noqa: C901
@@ -17,7 +17,6 @@
 # pylint: disable=invalid-name
 from __future__ import annotations

-import inspect
 import logging
 from datetime import datetime
 from pprint import pformat
@@ -206,86 +205,8 @@ class QueryObject:  # pylint: disable=too-many-instance-attributes
    def _set_post_processing(
        self, post_processing: list[dict[str, Any] | None] | None
    ) -> None:
-        self.post_processing = [
-            self._drop_unsupported_options(post_proc)
-            for post_proc in post_processing or []
-            if post_proc
-        ]
-
-    @staticmethod
-    def _drop_unsupported_options(post_proc: dict[str, Any]) -> dict[str, Any]:
-        """
-        Drop options that the post-processing operation no longer accepts.
-
-        A chart's ``query_context`` is written when the chart is saved and is
-        never rewritten afterwards, while Explore rebuilds the query from
-        ``form_data`` at every render. A chart saved by an older version of
-        Superset can therefore reference an option that has since been removed
-        from the operation. ``exec_post_processing`` passes the stored options
-        as keyword arguments, so that option raises a bare ``TypeError`` on
-        every path that replays the stored ``query_context`` -- the chart data
-        endpoint, alerts and reports, thumbnails, CSV export -- while the same
-        chart still renders correctly in Explore.
-
-        Comparing against the signature avoids a hard-coded list of removed
-        option names, which would need extending at each release.
-        """
-        operation = post_proc.get("operation")
-        function = (
-            getattr(pandas_postprocessing, operation, None)
-            if isinstance(operation, str)
-            else None
-        )
-        if function is None:
-            # A missing or unknown operation is left untouched, so that
-            # exec_post_processing reports it as InvalidPostProcessingError.
-            return post_proc
-
-        parameters = inspect.signature(function).parameters
-        if any(
-            parameter.kind is inspect.Parameter.VAR_KEYWORD
-            for parameter in parameters.values()
-        ):
-            return post_proc
-
-        # `exec_post_processing` calls the operation as `operation(df, **options)`,
-        # so an option can only reach a parameter that a caller may fill by
-        # keyword. That excludes the first parameter, which receives the
-        # DataFrame positionally, and any positional-only or `*args` parameter.
-        keyword_parameters = {
-            name
-            for position, (name, parameter) in enumerate(parameters.items())
-            if position > 0
-            and parameter.kind
-            in (
-                inspect.Parameter.POSITIONAL_OR_KEYWORD,
-                inspect.Parameter.KEYWORD_ONLY,
-            )
-        }
-
-        options = post_proc.get("options") or {}
-        unsupported = {key for key in options if key not in keyword_parameters}
-        if not unsupported:
-            return post_proc
-
-        # Logged at info: a chart saved before the option was removed hits this
-        # on every render, so a warning would repeat for as long as the chart
-        # is not resaved, without anything new to report.
-        logger.info(
-            "Dropping unsupported option(s) %s of post-processing operation "
-            "`%s`. The chart's stored query_context predates the current "
-            "signature of that operation.",
-            sorted(unsupported),
-            operation,
-        )
-        return {
-            **post_proc,
-            "options": {
-                key: value
-                for key, value in options.items()
-                if key in keyword_parameters
-            },
-        }
+        post_processing = post_processing or []
+        self.post_processing = [post_proc for post_proc in post_processing if post_proc]

    def _init_series_columns(
        self,
@@ -957,13 +957,7 @@ class AnnotationDatasource(BaseDatasource):
    def get_query_str(self, query_obj: QueryObjectDict) -> str:
        raise NotImplementedError()

-    def values_for_column(
-        self,
-        column_name: str,
-        limit: int = 10000,
-        denormalize_column: bool = False,
-        array_elements: bool = False,
-    ) -> list[Any]:
+    def values_for_column(self, column_name: str, limit: int = 10000) -> list[Any]:
        raise NotImplementedError()


@@ -133,9 +133,6 @@ class DatasourceRestApi(BaseSupersetApi):

        row_limit = apply_max_row_limit(app.config["FILTER_SELECT_ROW_LIMIT"])
        denormalize_column = not datasource.normalize_columns
-        # Element-level operators (Contains any / Contains all) request the
-        # distinct array *elements* rather than distinct whole arrays.
-        array_elements = parse_boolean_string(request.args.get("array_elements"))

        # Cache distinct column-value results so a dashboard with many filters
        # backed by the same (often heavy) virtual dataset doesn't re-execute
@@ -168,7 +165,6 @@ class DatasourceRestApi(BaseSupersetApi):
                        "col": column_name,
                        "limit": row_limit,
                        "denorm": denormalize_column,
-                        "elements": array_elements,
                        "rls": security_manager.get_rls_cache_key(datasource),
                        "changed_on": str(getattr(datasource, "changed_on", "")),
                    },
@@ -193,7 +189,6 @@ class DatasourceRestApi(BaseSupersetApi):
                column_name=column_name,
                limit=row_limit,
                denormalize_column=denormalize_column,
-                array_elements=array_elements,
            )
        except KeyError:
            return self.response(
@@ -55,13 +55,7 @@ from sqlalchemy.engine.reflection import Inspector
 from sqlalchemy.engine.url import URL
 from sqlalchemy.ext.compiler import compiles
 from sqlalchemy.sql import literal_column, quoted_name, text
-from sqlalchemy.sql.expression import (
-    BinaryExpression,
-    ColumnClause,
-    ColumnElement,
-    Select,
-    TextClause,
-)
+from sqlalchemy.sql.expression import BinaryExpression, ColumnClause, Select, TextClause
 from sqlalchemy.types import TypeEngine

 from superset import db
@@ -534,11 +528,6 @@ class BaseEngineSpec:  # pylint: disable=too-many-public-methods
    time_groupby_inline = False
    limit_method = LimitMethod.FORCE_LIMIT
    supports_multivalues_insert = False
-    # Whether this engine supports first-class multi-value (array-typed) columns.
-    # When True, array columns are classified as ``GenericDataType.MULTI_VALUE`` and
-    # the ``array_*`` capability methods below must be implemented. Defaults to
-    # False so engines that have not opted in keep treating arrays as strings.
-    supports_multivalue_columns = False
    allows_joins = True
    allows_subqueries = True
    allows_alias_in_select = True
@@ -2582,105 +2571,6 @@ class BaseEngineSpec:  # pylint: disable=too-many-public-methods
            logger.error(ex, exc_info=True)
            raise

-    @classmethod
-    def array_contains_any(cls, col: ColumnElement, values: list[Any]) -> ColumnElement:
-        """
-        Build a boolean expression testing whether array column ``col`` contains
-        **any** of ``values`` (element-level membership, like ``IN``). Engines
-        that set ``supports_multivalue_columns = True`` must override this with
-        their native function (e.g. ClickHouse ``hasAny``).
-
-        :param col: SQLAlchemy column element for the array column
-        :param values: element values to look for inside the array
-        :return: a SQLAlchemy boolean expression
-        """
-        raise NotImplementedError(
-            f"{cls.engine} does not support multi-value (array) columns"
-        )
-
-    @classmethod
-    def array_contains_all(cls, col: ColumnElement, values: list[Any]) -> ColumnElement:
-        """
-        Build a boolean expression testing whether array column ``col`` contains
-        **all** of ``values``. Engines that set
-        ``supports_multivalue_columns = True`` must override this with their
-        native function (e.g. ClickHouse ``hasAll``).
-
-        :param col: SQLAlchemy column element for the array column
-        :param values: element values that must all be present
-        :return: a SQLAlchemy boolean expression
-        """
-        raise NotImplementedError(
-            f"{cls.engine} does not support multi-value (array) columns"
-        )
-
-    @classmethod
-    def array_length(cls, col: ColumnElement) -> ColumnElement:
-        """
-        Build a numeric expression returning the number of elements in array
-        column ``col``. Engines that set ``supports_multivalue_columns = True``
-        must override this with their native array-length function. Used both for
-        the ``Length`` filter and the ``Is empty`` / ``Is not empty`` operators.
-
-        :param col: SQLAlchemy column element for the array column
-        :return: a SQLAlchemy numeric expression
-        """
-        raise NotImplementedError(
-            f"{cls.engine} does not support multi-value (array) columns"
-        )
-
-    @classmethod
-    def array_literal(cls, values: list[Any]) -> ColumnElement:
-        """
-        Build an array-literal expression from ``values`` (e.g. ClickHouse
-        ``array(v1, v2)`` == ``[v1, v2]``). Used for the whole-array (column-
-        level) operators ``=`` / ``!=`` / ``IN`` / ``NOT IN`` where the array is
-        compared as a single value. Engines that set
-        ``supports_multivalue_columns = True`` must override this.
-
-        :param values: element values that make up the array
-        :return: a SQLAlchemy array-literal expression
-        """
-        raise NotImplementedError(
-            f"{cls.engine} does not support multi-value (array) columns"
-        )
-
-    @classmethod
-    def array_explode(cls, col: ColumnElement) -> ColumnElement:
-        """
-        Build an expression that expands array column ``col`` into one row per
-        element (e.g. ClickHouse ``arrayJoin``). Used to source **element-level**
-        value suggestions (``SELECT DISTINCT array_explode(col)``) for the
-        ``Contains any`` / ``Contains all`` filter operators, so the picker offers
-        individual elements rather than whole arrays. Engines that set
-        ``supports_multivalue_columns = True`` must override this.
-
-        :param col: SQLAlchemy column element for the array column
-        :return: a SQLAlchemy expression yielding one element per row
-        """
-        raise NotImplementedError(
-            f"{cls.engine} does not support multi-value (array) columns"
-        )
-
-    @classmethod
-    def get_array_element_type(  # pylint: disable=unused-argument
-        cls, native_type: str | None
-    ) -> GenericDataType | None:
-        """
-        Return the generic type of an array column's **element** type, derived
-        from its native type string (e.g. ClickHouse ``Array(Int32)`` ->
-        ``NUMERIC``), or ``None`` when the engine has no array support or the
-        element type cannot be resolved.
-
-        Callers use this to coerce filter values to the element type before
-        building array expressions, so, for example, a ``Contains any`` filter on
-        a numeric array compares against numbers rather than quoted strings.
-
-        :param native_type: native column type string of the array column
-        :return: the element's :class:`GenericDataType`, or ``None``
-        """
-        return None
-
    @classmethod
    def get_column_spec(  # pylint: disable=unused-argument
        cls,
@@ -26,9 +26,8 @@ from flask import current_app as app
 from flask_babel import gettext as __
 from marshmallow import fields, Schema
 from marshmallow.validate import Range
-from sqlalchemy import func, types
+from sqlalchemy import types
 from sqlalchemy.engine.url import URL
-from sqlalchemy.sql.expression import ColumnElement
 from urllib3.exceptions import NewConnectionError

 from superset.databases.utils import make_url_safe
@@ -56,7 +55,6 @@ class ClickHouseBaseEngineSpec(BaseEngineSpec):

    time_groupby_inline = True
    supports_multivalues_insert = True
-    supports_multivalue_columns = True

    # ClickHouse doesn't support IS true/false syntax, use = true/false instead
    use_equality_for_boolean_filters = True
@@ -130,18 +128,12 @@ class ClickHouseBaseEngineSpec(BaseEngineSpec):

    column_type_mappings = (
        (
-            # Anchor to the start so only top-level arrays match. This must be
-            # ordered before the ``Enum`` entry below: ``Array(Enum8(...))`` is a
-            # real array and should classify as MULTI_VALUE, not STRING. The
-            # anchor also prevents over-matching nested arrays such as
-            # ``Map(String, Array(String))`` or ``Tuple(Array(String))``, which
-            # are not themselves array columns and must keep their own type.
-            re.compile(r"^Array\(", re.IGNORECASE),
+            re.compile(r".*Enum.*", re.IGNORECASE),
            types.String(),
-            GenericDataType.MULTI_VALUE,
+            GenericDataType.STRING,
        ),
        (
-            re.compile(r".*Enum.*", re.IGNORECASE),
+            re.compile(r".*Array.*", re.IGNORECASE),
            types.String(),
            GenericDataType.STRING,
        ),
@@ -182,56 +174,6 @@ class ClickHouseBaseEngineSpec(BaseEngineSpec):
        ),
    )

-    @classmethod
-    def array_contains_any(cls, col: ColumnElement, values: list[Any]) -> ColumnElement:
-        # ClickHouse: hasAny(arr, [v1, v2]) -> 1 if arr shares any element.
-        # func.array(*values) renders as array(v1, v2) == [v1, v2].
-        return func.hasAny(col, func.array(*values))
-
-    @classmethod
-    def array_contains_all(cls, col: ColumnElement, values: list[Any]) -> ColumnElement:
-        # ClickHouse: hasAll(arr, [v1, v2]) -> 1 if arr contains all elements.
-        return func.hasAll(col, func.array(*values))
-
-    @classmethod
-    def array_length(cls, col: ColumnElement) -> ColumnElement:
-        # ClickHouse: length(arr) -> number of elements
-        return func.length(col)
-
-    @classmethod
-    def array_literal(cls, values: list[Any]) -> ColumnElement:
-        # ClickHouse: array(v1, v2) is equivalent to the literal [v1, v2].
-        return func.array(*values)
-
-    @classmethod
-    def array_explode(cls, col: ColumnElement) -> ColumnElement:
-        # ClickHouse: arrayJoin(arr) yields one row per element, so
-        # SELECT DISTINCT arrayJoin(arr) returns the distinct elements.
-        return func.arrayJoin(col)
-
-    # Matches the element type inside a top-level ``Array(...)`` column, e.g.
-    # ``Array(Int32)`` -> ``Int32``, ``Array(Nullable(String))`` -> ``String``.
-    _ARRAY_ELEMENT_RE = re.compile(r"^Array\((?P<inner>.+)\)$", re.IGNORECASE)
-    # Element-type wrappers that don't change the underlying generic type.
-    _ELEMENT_WRAPPER_RE = re.compile(
-        r"^(?:Nullable|LowCardinality)\((?P<inner>.+)\)$", re.IGNORECASE
-    )
-
-    @classmethod
-    def get_array_element_type(cls, native_type: str | None) -> GenericDataType | None:
-        if not native_type:
-            return None
-        match = cls._ARRAY_ELEMENT_RE.match(native_type.strip())
-        if not match:
-            return None
-        inner = match.group("inner").strip()
-        # Peel wrappers (Nullable/LowCardinality) that don't alter the generic
-        # type so the inner scalar type drives classification.
-        while wrapper := cls._ELEMENT_WRAPPER_RE.match(inner):
-            inner = wrapper.group("inner").strip()
-        spec = cls.get_column_spec(inner)
-        return spec.generic_type if spec else None
-
    @classmethod
    def epoch_to_dttm(cls) -> str:
        return "{col}"
@@ -63,7 +63,6 @@ from superset.mcp_service.utils import (
    sanitize_for_llm_context,
 )
 from superset.mcp_service.utils.response_utils import humanize_timestamp
-from superset.sql.parse import has_aggregate
 from superset.utils import json


@@ -387,27 +386,13 @@ class CreateDatasetMetric(BaseModel):
    """Metric definition for dataset creation."""

    metric_name: str = Field(..., description="Name of the metric")
-    expression: str = Field(
-        ...,
-        description="Aggregate SQL expression for the metric, e.g. SUM(amount)",
-    )
+    expression: str = Field(..., description="SQL expression for the metric")
    verbose_name: str | None = None
    description: str | None = None
    metric_type: str | None = None
    d3format: str | None = None
    warning_text: str | None = None

-    @field_validator("expression")
-    @classmethod
-    def expression_must_aggregate(cls, value: str) -> str:
-        if not has_aggregate(value):
-            raise ValueError(
-                "saved metrics must aggregate rows; wrap a row-level column in "
-                "an aggregate such as MAX(column), or omit the saved metric and "
-                "use the dataset column directly"
-            )
-        return value
-

 class CreateDatasetCalculatedColumn(BaseModel):
    """Calculated column definition for dataset creation."""
@@ -21,7 +21,6 @@ from typing import Any
 from fastmcp import Context
 from superset_core.mcp.decorators import tool, ToolAnnotations

-from superset.exceptions import SupersetGenericDBErrorException
 from superset.extensions import event_logger
 from superset.mcp_service.dataset.schemas import (
    CreateVirtualDatasetRequest,
@@ -68,17 +67,14 @@ def _cleanup_failed_dataset(dataset_id: int) -> None:


 def _update_virtual_dataset(dataset_id: int, update_props: dict[str, Any]) -> Any:
-    from superset.commands.dataset.exceptions import (
-        DatasetInvalidError,
-        DatasetUpdateFailedError,
-    )
+    from superset.commands.dataset.exceptions import DatasetUpdateFailedError
    from superset.commands.dataset.update import UpdateDatasetCommand

    try:
        return UpdateDatasetCommand(dataset_id, update_props).run()
    except Exception as exc:
        _cleanup_failed_dataset(dataset_id)
-        if not isinstance(exc, (DatasetInvalidError, DatasetUpdateFailedError)):
+        if not isinstance(exc, DatasetUpdateFailedError):
            raise DatasetUpdateFailedError() from exc
        raise

@@ -93,7 +89,7 @@ def _update_virtual_dataset(dataset_id: int, update_props: dict[str, Any]) -> An
        destructiveHint=False,
    ),
 )
-async def create_virtual_dataset(  # noqa: C901
+async def create_virtual_dataset(
    request: CreateVirtualDatasetRequest, ctx: Context
 ) -> CreateVirtualDatasetResponse:
    """Save a SQL query as a virtual dataset so it can be charted.
@@ -217,18 +213,6 @@ async def create_virtual_dataset(  # noqa: C901
            url=None,
            error=f"Failed to update dataset metadata (creation rolled back): {exc}",
        )
-    except SupersetGenericDBErrorException as exc:
-        logger.warning("Virtual dataset SQL validation failed", exc_info=True)
-        await ctx.warning(f"Virtual dataset SQL failed validation: {exc}")
-        return CreateVirtualDatasetResponse(
-            id=None,
-            dataset_name=request.dataset_name,
-            sql=request.sql,
-            database_id=request.database_id,
-            columns=[],
-            url=None,
-            error=f"Dataset SQL could not be executed: {exc}",
-        )
    except Exception as exc:
        await ctx.error(
            f"Unexpected error creating virtual dataset: {type(exc).__name__}: {exc}"
@@ -19,7 +19,6 @@

 from __future__ import annotations

-import ast
 import builtins
 import copy
 import dataclasses
@@ -418,52 +417,6 @@ UUID_NATIVE_TYPE_RE: re.Pattern[str] = re.compile(
 )


-def parse_array_literal(value: Any) -> list[Any]:
-    """
-    Parse a user-entered array literal (e.g. ``['a', 'b']`` or ``[1, 2]``) into a
-    list of elements, for the whole-array (column-level) array operators.
-
-    Accepts either an actual list/tuple, a bracketed literal string (parsed with
-    ``ast.literal_eval``), or a plain scalar (wrapped into a single-element list).
-    Falls back to a single-element list when the string is not a valid literal.
-    """
-    if isinstance(value, (list, tuple)):
-        return list(value)
-    if isinstance(value, str):
-        stripped = value.strip()
-        if stripped.startswith("[") and stripped.endswith("]"):
-            try:
-                parsed = ast.literal_eval(stripped)
-            except (ValueError, SyntaxError):
-                parsed = None
-            if isinstance(parsed, (list, tuple)):
-                return list(parsed)
-    return [value]
-
-
-def coerce_array_values(
-    values: list[Any], element_type: Optional[utils.GenericDataType]
-) -> list[Any]:
-    """
-    Coerce array-element ``values`` to the array column's element type so the
-    emitted literal matches the column. Array columns map to a SQLAlchemy
-    ``String`` type, so values arrive as strings and would otherwise build
-    string literals (e.g. ``array('5')``) that fail against a numeric array on
-    the server. Numeric elements are cast to numbers and boolean elements to
-    booleans; every other element type (string, temporal, enum, unknown) is left
-    untouched.
-
-    :param values: element values entered for an array filter
-    :param element_type: the array's element :class:`GenericDataType`, or None
-    :return: the coerced values
-    """
-    if element_type == utils.GenericDataType.NUMERIC:
-        return [utils.cast_to_num(v) if isinstance(v, str) else v for v in values]
-    if element_type == utils.GenericDataType.BOOLEAN:
-        return [utils.cast_to_boolean(v) if isinstance(v, str) else v for v in values]
-    return values
-
-
 def is_uuid_native_type(native_type: Optional[str]) -> bool:
    """
    Return True if a native column type represents a UUID.
@@ -3699,7 +3652,6 @@ class ExploreMixin:  # pylint: disable=too-many-public-methods
        column_name: str,
        limit: int = 10000,
        denormalize_column: bool = False,
-        array_elements: bool = False,
    ) -> list[Any]:
        # denormalize column name before querying for values
        # unless disabled in the dataset configuration
@@ -3714,25 +3666,13 @@ class ExploreMixin:  # pylint: disable=too-many-public-methods
        tp = self.get_template_processor()
        tbl, cte = self.get_from_clause(tp)

-        db_engine_spec = self.database.db_engine_spec
-        value_expr = target_col.get_sqla_col(template_processor=tp)
-        # For element-level operators (Contains any / Contains all) on a
-        # multi-value (array) column, suggest the distinct **elements** rather
-        # than distinct whole arrays by expanding the array first (e.g. ClickHouse
-        # arrayJoin). Only when the engine supports arrays and the column is
-        # actually an array column; otherwise fall back to whole-value suggestions.
-        if array_elements and db_engine_spec.supports_multivalue_columns:
-            col_spec = db_engine_spec.get_column_spec(native_type=target_col.type)
-            if col_spec and col_spec.generic_type == GenericDataType.MULTI_VALUE:
-                value_expr = db_engine_spec.array_explode(value_expr)
-
        qry = (
            sa.select(
                # The alias (label) here is important because some dialects will
                # automatically add a random alias to the projection because of the
                # call to DISTINCT; others will uppercase the column names. This
                # gives us a deterministic column name in the dataframe.
-                value_expr.label("column_values")
+                target_col.get_sqla_col(template_processor=tp).label("column_values")
            )
            .select_from(tbl)
            .distinct()
@@ -4419,7 +4359,7 @@ class ExploreMixin:  # pylint: disable=too-many-public-methods
            elif is_adhoc_column(flt_col):
                try:
                    sqla_col, adhoc_generic_type = self.adhoc_column_to_sqla(
-                        cast("AdhocColumn", flt_col),
+                        flt_col,
                        force_type_check=True,
                        template_processor=template_processor,
                    )
@@ -4493,21 +4433,9 @@ class ExploreMixin:  # pylint: disable=too-many-public-methods
                    sqla_col = Grouping(sqla_col)
                col_type = col_obj.type if col_obj else None
                col_spec = db_engine_spec.get_column_spec(native_type=col_type)
-                is_multivalue_col = bool(
-                    col_spec and col_spec.generic_type == GenericDataType.MULTI_VALUE
-                )
-                # Element type of an array column (e.g. Array(Int32) -> NUMERIC),
-                # used to coerce filter values before building array expressions.
-                array_element_type = (
-                    db_engine_spec.get_array_element_type(col_type)
-                    if is_multivalue_col
-                    else None
-                )
                is_list_target = op in (
                    utils.FilterOperator.IN,
                    utils.FilterOperator.NOT_IN,
-                    utils.FilterOperator.CONTAINS_ANY,
-                    utils.FilterOperator.CONTAINS_ALL,
                )

                col_advanced_data_type = col_obj.advanced_data_type if col_obj else ""
@@ -4562,56 +4490,7 @@ class ExploreMixin:  # pylint: disable=too-many-public-methods
                            sqla_col, op, bus_resp["values"]
                        )
                    )
-                elif is_multivalue_col and op in {
-                    utils.FilterOperator.EQUALS,
-                    utils.FilterOperator.NOT_EQUALS,
-                    utils.FilterOperator.IN,
-                    utils.FilterOperator.NOT_IN,
-                }:
-                    # Whole-array (column-level) comparison against array
-                    # literal(s). The value is a pasted array literal like
-                    # ``['a', 'b']`` (parsed into elements): ``col = ['a', 'b']``
-                    # for = / !=; for IN / NOT IN each entered value is one such
-                    # array literal (``col IN (['a'], ['b'])``).
-                    if op in {
-                        utils.FilterOperator.EQUALS,
-                        utils.FilterOperator.NOT_EQUALS,
-                    }:
-                        literal = db_engine_spec.array_literal(
-                            coerce_array_values(
-                                parse_array_literal(val), array_element_type
-                            )
-                        )
-                        cond = (
-                            sqla_col != literal
-                            if op == utils.FilterOperator.NOT_EQUALS
-                            else sqla_col == literal
-                        )
-                    else:
-                        candidates: list[Any] = (
-                            list(val) if isinstance(val, (list, tuple)) else [val]
-                        )
-                        cond = sqla_col.in_(
-                            [
-                                db_engine_spec.array_literal(
-                                    coerce_array_values(
-                                        parse_array_literal(candidate),
-                                        array_element_type,
-                                    )
-                                )
-                                for candidate in candidates
-                            ]
-                        )
-                        if op == utils.FilterOperator.NOT_IN:
-                            cond = ~cond
-                    target_clause_list.append(cond)
-                elif op in {
-                    utils.FilterOperator.IN,
-                    utils.FilterOperator.NOT_IN,
-                }:
-                    # CONTAINS_ANY/CONTAINS_ALL also produce a list ``eq`` (they
-                    # are in ``is_list_target``), but are element-level array ops
-                    # handled by their own branch below — not IN.
+                elif is_list_target:
                    assert isinstance(eq, (tuple, list))
                    if len(eq) == 0:
                        raise QueryObjectValidationError(
@@ -4650,57 +4529,6 @@ class ExploreMixin:  # pylint: disable=too-many-public-methods
                    target_clause_list.append(
                        db_engine_spec.handle_null_filter(sqla_col, op)
                    )
-                elif op in {
-                    utils.FilterOperator.IS_EMPTY,
-                    utils.FilterOperator.IS_NOT_EMPTY,
-                }:
-                    # Element-level array operators: length(col) == 0 / > 0.
-                    if target_generic_type != GenericDataType.MULTI_VALUE:
-                        raise QueryObjectValidationError(
-                            _(
-                                "The %(op)s operator is only supported for "
-                                "multi-value (array) columns.",
-                                op=op,
-                            )
-                        )
-                    length_expr = db_engine_spec.array_length(sqla_col)
-                    if op == utils.FilterOperator.IS_EMPTY:
-                        target_clause_list.append(length_expr == 0)
-                    else:
-                        target_clause_list.append(length_expr > 0)
-                elif op in {
-                    utils.FilterOperator.LENGTH_EQUALS,
-                    utils.FilterOperator.LENGTH_GREATER_THAN,
-                    utils.FilterOperator.LENGTH_LESS_THAN,
-                    utils.FilterOperator.LENGTH_GREATER_THAN_OR_EQUALS,
-                    utils.FilterOperator.LENGTH_LESS_THAN_OR_EQUALS,
-                }:
-                    # Length filter: compare the array's element count to a
-                    # number, e.g. length(col) > 2.
-                    if target_generic_type != GenericDataType.MULTI_VALUE:
-                        raise QueryObjectValidationError(
-                            _(
-                                "The %(op)s operator is only supported for "
-                                "multi-value (array) columns.",
-                                op=op,
-                            )
-                        )
-                    number = utils.cast_to_num(eq)  # type: ignore[arg-type]
-                    if number is None:
-                        raise QueryObjectValidationError(
-                            _("The Length filter requires a numeric value.")
-                        )
-                    length_expr = db_engine_spec.array_length(sqla_col)
-                    length_comparisons = {
-                        utils.FilterOperator.LENGTH_EQUALS: length_expr == number,
-                        utils.FilterOperator.LENGTH_GREATER_THAN: length_expr > number,
-                        utils.FilterOperator.LENGTH_LESS_THAN: length_expr < number,
-                        utils.FilterOperator.LENGTH_GREATER_THAN_OR_EQUALS: length_expr
-                        >= number,
-                        utils.FilterOperator.LENGTH_LESS_THAN_OR_EQUALS: length_expr
-                        <= number,
-                    }
-                    target_clause_list.append(length_comparisons[op])
                elif op == utils.FilterOperator.IS_TRUE:
                    target_clause_list.append(
                        db_engine_spec.handle_boolean_filter(sqla_col, op, True)
@@ -4758,38 +4586,6 @@ class ExploreMixin:  # pylint: disable=too-many-public-methods
                            target_clause_list.append(sqla_col.not_like(eq))
                        else:
                            target_clause_list.append(sqla_col.not_ilike(eq))
-                    elif op in {
-                        utils.FilterOperator.CONTAINS_ANY,
-                        utils.FilterOperator.CONTAINS_ALL,
-                    }:
-                        # Element-level array membership. Enforce the target is
-                        # actually a multi-value (array) column (only classified
-                        # MULTI_VALUE on an array-capable engine), guarding against
-                        # payloads that bypass the UI gating.
-                        if target_generic_type != GenericDataType.MULTI_VALUE:
-                            raise QueryObjectValidationError(
-                                _(
-                                    "The %(op)s operator is only supported for "
-                                    "multi-value (array) columns.",
-                                    op=op,
-                                )
-                            )
-                        array_values: list[Any] = coerce_array_values(
-                            list(eq) if isinstance(eq, (list, tuple)) else [eq],
-                            array_element_type,
-                        )
-                        if op == utils.FilterOperator.CONTAINS_ANY:
-                            target_clause_list.append(
-                                db_engine_spec.array_contains_any(
-                                    sqla_col, array_values
-                                )
-                            )
-                        else:
-                            target_clause_list.append(
-                                db_engine_spec.array_contains_all(
-                                    sqla_col, array_values
-                                )
-                            )
                    elif (
                        op == utils.FilterOperator.TEMPORAL_RANGE
                        and isinstance(eq, str)
@@ -384,7 +384,7 @@ class SemanticView(AuditMixinNullable, Model):
                for dimension in dimensions
            },
        }
-        column_formats: dict[str, str | None] = {
+        column_formats = {
            metric.name: metric.d3format for metric in metrics if metric.d3format
        }

@@ -209,7 +209,7 @@ class GenericDataType(IntEnum):
    STRING = 1
    TEMPORAL = 2
    BOOLEAN = 3
-    MULTI_VALUE = 4  # array-typed columns (e.g. ClickHouse Array, Postgres ARRAY)
+    # ARRAY = 4     # Mapping all the complex data types to STRING for now
    # JSON = 5      # and leaving these as a reminder.
    # MAP = 6
    # ROW = 7
@@ -299,17 +299,6 @@ class FilterOperator(StrEnum):
    IS_TRUE = "IS TRUE"
    IS_FALSE = "IS FALSE"
    TEMPORAL_RANGE = "TEMPORAL_RANGE"
-    # Element-level operators for MULTI_VALUE (array) columns
-    CONTAINS_ANY = "CONTAINS_ANY"
-    CONTAINS_ALL = "CONTAINS_ALL"
-    IS_EMPTY = "IS_EMPTY"
-    IS_NOT_EMPTY = "IS_NOT_EMPTY"
-    # Length (element-count) comparison operators for array columns
-    LENGTH_EQUALS = "LENGTH_EQUALS"
-    LENGTH_GREATER_THAN = "LENGTH_GREATER_THAN"
-    LENGTH_LESS_THAN = "LENGTH_LESS_THAN"
-    LENGTH_GREATER_THAN_OR_EQUALS = "LENGTH_GREATER_THAN_OR_EQUALS"
-    LENGTH_LESS_THAN_OR_EQUALS = "LENGTH_LESS_THAN_OR_EQUALS"


 class FilterStringOperators(StrEnum):
@@ -328,15 +317,6 @@ class FilterStringOperators(StrEnum):
    LATEST_PARTITION = ("LATEST_PARTITION",)
    IS_TRUE = ("IS_TRUE",)
    IS_FALSE = ("IS_FALSE",)
-    CONTAINS_ANY = ("CONTAINS_ANY",)
-    CONTAINS_ALL = ("CONTAINS_ALL",)
-    IS_EMPTY = ("IS_EMPTY",)
-    IS_NOT_EMPTY = ("IS_NOT_EMPTY",)
-    LENGTH_EQUALS = ("LENGTH_EQUALS",)
-    LENGTH_GREATER_THAN = ("LENGTH_GREATER_THAN",)
-    LENGTH_LESS_THAN = ("LENGTH_LESS_THAN",)
-    LENGTH_GREATER_THAN_OR_EQUALS = ("LENGTH_GREATER_THAN_OR_EQUALS",)
-    LENGTH_LESS_THAN_OR_EQUALS = ("LENGTH_LESS_THAN_OR_EQUALS",)


 class PostProcessingBoxplotWhiskerType(StrEnum):
@@ -15,7 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 from collections.abc import Sequence
-from functools import partial, wraps
+from functools import partial
 from typing import Any, Callable

 import numpy as np
@@ -122,10 +122,6 @@ def scalar_to_sequence(val: Any) -> Sequence[str]:

 def validate_column_args(*argnames: str) -> Callable[..., Any]:
    def wrapper(func: Callable[..., Any]) -> Callable[..., Any]:
-        # `wraps` keeps `func` reachable through `__wrapped__`, so that
-        # `inspect.signature` reports the parameters of the decorated operation
-        # rather than the `(df, **options)` of this wrapper.
-        @wraps(func)
        def wrapped(df: DataFrame, **options: Any) -> Any:
            if _is_multi_index_on_columns(df):
                # MultiIndex column validate first level
@@ -159,49 +159,16 @@ CHART_ERROR_OR_EMPTY_SELECTOR = (
    f"{ALERT_SELECTOR}, {EMPTY_SELECTOR}, {MISSING_CHART_SELECTOR}"
 )

-# Runtime contract with the dashboard frontend. Dispatching this window event
-# forces every DashboardVirtualization row to render regardless of whether it
-# intersects the headless viewport, mirroring the client-side "Download as
-# Image/PDF" path (see FORCE_IN_VIEW_EVENT in
-# superset-frontend/src/dashboard/constants.ts and forceLoadAllCharts in
-# superset-frontend/src/utils/downloadUtils.ts). The non-tiled report capture
-# takes a single full-page screenshot that includes below-the-fold holders, so
-# those holders must be forced to render before the readiness wait -- otherwise
-# a virtualized (or still-loading) off-screen holder is captured blank. A plain
-# Event with no `detail.rowIds` means "force every row", matching the frontend's
-# single-pass branch.
-FORCE_ALL_CHART_HOLDERS_IN_VIEW_EVENT = "superset-force-all-in-view"
-FORCE_ALL_CHART_HOLDERS_IN_VIEW_JS = (
-    f"() => window.dispatchEvent(new Event('{FORCE_ALL_CHART_HOLDERS_IN_VIEW_EVENT}'))"
-)
-
-
-def _unready_chart_holders_js_body(*, viewport_only: bool) -> str:
-    """Return the shared holder-readiness scan body.
-
-    A holder is ready only after a terminal marker appears and its loading
-    marker disappears. When ``viewport_only`` is True the scan skips holders
-    that do not intersect the current viewport: correct for the tiled path,
-    which scrolls every region into view before capturing it, and for
-    thumbnails, which only ever capture the viewport. The non-tiled *report*
-    capture takes a single full-page screenshot that includes below-the-fold
-    holders, so it must scan every mounted holder (``viewport_only=False``) --
-    otherwise an off-screen holder that never rendered is captured blank and
-    silently delivered as a Success.
-    """
-    viewport_skip = (
-        """
-        const r = holder.getBoundingClientRect();
-        if (!(r.top < window.innerHeight && r.bottom > 0)) {
-            continue;
-        }"""
-        if viewport_only
-        else ""
-    )
-    return f"""
+# Shared body for holder readiness and timeout diagnostics. A holder is ready
+# only after a terminal marker appears and its loading marker disappears.
+UNREADY_CHART_HOLDERS_JS_BODY = f"""
    const holders = document.querySelectorAll('{CHART_HOLDER_SELECTOR}');
    const unready = [];
-    for (const holder of holders) {{{viewport_skip}
+    for (const holder of holders) {{
+        const r = holder.getBoundingClientRect();
+        if (!(r.top < window.innerHeight && r.bottom > 0)) {{
+            continue;
+        }}
        const hasSliceContainer = holder.querySelector(
            '{SLICE_CONTAINER_SELECTOR}'
        ) !== null;
@@ -239,13 +206,6 @@ def _unready_chart_holders_js_body(*, viewport_only: bool) -> str:
    }}
 """

-
-# Viewport-scoped scan (tiled path + thumbnails).
-UNREADY_CHART_HOLDERS_JS_BODY = _unready_chart_holders_js_body(viewport_only=True)
-# Full-dashboard scan (non-tiled report capture, which screenshots the whole
-# element in one shot and therefore cannot ignore below-the-fold holders).
-UNREADY_ALL_CHART_HOLDERS_JS_BODY = _unready_chart_holders_js_body(viewport_only=False)
-
 # Diagnostic query for every chart holder, including terminal and virtualized
 # states. It interpolates the same selector constants as the predicates.
 FIND_CHART_HOLDER_STATES_JS = f"""
@@ -296,24 +256,12 @@ REPORT_CHART_HOLDERS_READY_JS = (
    f"() => {{ {UNREADY_CHART_HOLDERS_JS_BODY} "
    "return holders.length > 0 && unready.length === 0; }"
 )
-# Report readiness for the non-tiled full-page capture: every mounted holder --
-# including below-the-fold ones -- must be terminally rendered. Off-screen
-# holders are forced to render first (FORCE_ALL_CHART_HOLDERS_IN_VIEW_JS); if any
-# still fails to render within budget the wait times out and the report fails
-# loudly rather than shipping a blank/partial screenshot as a Success.
-REPORT_ALL_CHART_HOLDERS_READY_JS = (
-    f"() => {{ {UNREADY_ALL_CHART_HOLDERS_JS_BODY} "
-    "return holders.length > 0 && unready.length === 0; }"
-)
 CHART_HOLDERS_MOUNTED_JS = (
    f"() => document.querySelectorAll('{CHART_HOLDER_SELECTOR}').length > 0"
 )
 FIND_UNREADY_CHART_HOLDERS_JS = (
    f"() => {{ {UNREADY_CHART_HOLDERS_JS_BODY} return unready; }}"
 )
-FIND_ALL_UNREADY_CHART_HOLDERS_JS = (
-    f"() => {{ {UNREADY_ALL_CHART_HOLDERS_JS_BODY} return unready; }}"
-)

 # A chart capture has one target rather than dashboard holders, but needs the
 # same positive terminal-state guarantee and loading exclusion.
@@ -34,10 +34,8 @@ from superset.utils.screenshot_utils import (
    CHART_CONTAINER_READY_JS,
    CHART_CONTAINER_STATE_JS,
    CHART_HOLDERS_READY_JS,
-    FIND_ALL_UNREADY_CHART_HOLDERS_JS,
    FIND_CHART_HOLDER_STATES_JS,
-    FORCE_ALL_CHART_HOLDERS_IN_VIEW_JS,
-    REPORT_ALL_CHART_HOLDERS_READY_JS,
+    REPORT_CHART_HOLDERS_READY_JS,
    resolve_screenshot_task_budget_seconds,
    ScreenshotTaskBudgetExceededError,
    take_tiled_screenshot,
@@ -384,19 +382,7 @@ class WebDriverPlaywright(WebDriverProxy):
        if element_name == "chart-container":
            readiness_predicate = CHART_CONTAINER_READY_JS
        elif report_execution_context:
-            # This non-tiled path captures the whole element in one shot
-            # (`_get_screenshot` uses `full_page=True` / `element.screenshot()`),
-            # so below-the-fold holders end up in the image. Force every
-            # virtualized row to render up front -- mirroring the client-side
-            # "Download as Image/PDF" path -- and then require *all* mounted
-            # holders (not just the viewport-visible ones) to reach a terminal
-            # state. If an off-screen holder never renders, the wait times out
-            # and the report fails loudly instead of silently delivering a
-            # blank/partial screenshot as a Success. The tiled path keeps the
-            # viewport-scoped predicate because it scrolls each region into view
-            # before capturing it.
-            page.evaluate(FORCE_ALL_CHART_HOLDERS_IN_VIEW_JS)
-            readiness_predicate = REPORT_ALL_CHART_HOLDERS_READY_JS
+            readiness_predicate = REPORT_CHART_HOLDERS_READY_JS
        else:
            # Preserve the thumbnail behavior introduced by #42253. The
            # stricter zero-holder gate is report-specific because an empty
@@ -444,16 +430,6 @@ class WebDriverPlaywright(WebDriverProxy):
            ready_holders = sum(
                holder.get("state") in ready_states for holder in chart_holder_states
            )
-            # `FIND_CHART_HOLDER_STATES_JS` short-circuits off-screen holders to
-            # "virtualized" (counted as ready above), so on the report path -- a
-            # full-page capture that includes below-the-fold holders -- the real
-            # culprits (off-screen holders that never rendered) would be hidden.
-            # Surface them explicitly using the non-viewport-scoped scan.
-            below_fold_unready = (
-                page.evaluate(FIND_ALL_UNREADY_CHART_HOLDERS_JS)
-                if report_execution_context
-                else unready_chart_holders
-            )
            deadline_elapsed = deadline.elapsed_seconds if deadline else elapsed
            deadline_remaining = (
                deadline.remaining_seconds if deadline else remaining_budget
@@ -462,8 +438,7 @@ class WebDriverPlaywright(WebDriverProxy):
                "report_readiness_terminal url=%s expected_holders=%s "
                "mounted_holders=%s ready_holders=%s elapsed_seconds=%.2f "
                "remaining_seconds=%s effective_wait_seconds=%.2f%s "
-                "terminal_reason=readiness_timeout unready_holders=%s "
-                "all_unready_holders=%s states=%s; "
+                "terminal_reason=readiness_timeout unready_holders=%s states=%s; "
                "aborting before capture or delivery",
                url,
                expected_holders,
@@ -478,7 +453,6 @@ class WebDriverPlaywright(WebDriverProxy):
                effective_load_wait,
                context_suffix,
                unready_chart_holders,
-                below_fold_unready,
                chart_holder_states,
            )
            raise
@@ -773,21 +747,9 @@ class WebDriverPlaywright(WebDriverProxy):
                            context_suffix,
                        )

-                    # Use tiled screenshots for large dashboards. For scheduled
-                    # reports a likely-large dashboard whose measured height is
-                    # at or below a single tile is almost always mid-layout
-                    # (charts still virtualized/collapsed at measurement time),
-                    # not genuinely short -- a 52-chart dashboard is never really
-                    # <one viewport tall. Routing it to the single-shot,
-                    # full-page non-tiled capture risks shipping a windowed
-                    # partial render. Prefer the tiled path, which scrolls every
-                    # region into view and waits per tile; worst case it is a
-                    # single tile. The tiled decision for thumbnails is
-                    # unchanged.
+                    # Use tiled screenshots for large dashboards
                    use_tiled = likely_large_dashboard and (
-                        height_unknown
-                        or dashboard_height > tile_height
-                        or report_execution_context is not None
+                        height_unknown or dashboard_height > tile_height
                    )

                    if use_tiled:
@@ -154,22 +154,8 @@ class TestDatasourceApi(SupersetTestCase):
            column_name="col2",
            limit=10000,
            denormalize_column=False,
-            array_elements=False,
        )

-    @pytest.mark.usefixtures("app_context", "virtual_dataset")
-    @patch("superset.models.helpers.ExploreMixin.values_for_column")
-    def test_get_column_values_array_elements_param(self, values_for_column_mock):
-        # The ?array_elements=true param (Contains any/all) is threaded through
-        # so array columns can suggest individual elements.
-        self.login(ADMIN_USERNAME)
-        table = self.get_virtual_dataset()
-        self.client.get(
-            f"api/v1/datasource/table/{table.id}/column/col2/values/"
-            "?array_elements=true"
-        )
-        assert values_for_column_mock.call_args.kwargs["array_elements"] is True
-
    @pytest.mark.usefixtures("app_context", "virtual_dataset")
    @patch("superset.db_engine_specs.base.BaseEngineSpec.denormalize_name")
    def test_get_column_values_not_denormalize_column(self, denormalize_name_mock):
@@ -190,7 +176,6 @@ class TestDatasourceApi(SupersetTestCase):
            column_name="col2",
            limit=10000,
            denormalize_column=True,
-            array_elements=False,
        )

    @pytest.mark.usefixtures("app_context", "virtual_dataset")
@@ -1308,152 +1308,3 @@ def test_column_ordering_without_chart_flag(login_as_admin):
    finally:
        db.session.delete(table)
        db.session.commit()
-
-
-def _multivalue_table() -> SqlaTable:
-    """A dataset with an ``Array(String)`` column, for multi-value query tests.
-
-    Built over the example database but never executed — the tests only compile
-    the generated SQL, so the backing table need not physically exist.
-    """
-    columns = [
-        TableColumn(column_name="skills", type="Array(String)"),
-        TableColumn(column_name="city", type="VARCHAR(255)"),
-    ]
-    return SqlaTable(
-        table_name="test_multivalue_jobs",
-        database=get_example_database(),
-        columns=columns,
-        metrics=[SqlMetric(metric_name="count", expression="COUNT(*)")],
-    )
-
-
-def _multivalue_query(
-    *,
-    filters: list[dict[str, Any]] | None = None,
-    groupby: list[Any] | None = None,
-) -> dict[str, Any]:
-    return {
-        "granularity": None,
-        "from_dttm": None,
-        "to_dttm": None,
-        "is_timeseries": False,
-        "groupby": groupby if groupby is not None else ["city"],
-        "metrics": ["count"],
-        "filter": filters or [],
-        "extras": {},
-    }
-
-
-def _compile(table: SqlaTable, query_obj: dict[str, Any]) -> str:
-    from superset.db_engine_specs.clickhouse import ClickHouseEngineSpec
-
-    with patch.object(
-        SqlaTable, "db_engine_spec", property(lambda self: ClickHouseEngineSpec)
-    ):
-        sqla_query = table.get_sqla_query(**query_obj)
-        return table.database.compile_sqla_query(sqla_query.sqla_query).lower()
-
-
-@pytest.mark.usefixtures("app_context")
-def test_multivalue_contains_any_generates_native_sql():
-    """CONTAINS_ANY compiles to ``hasAny(col, array(...))``."""
-    table = _multivalue_table()
-    sql = _compile(
-        table,
-        _multivalue_query(
-            filters=[
-                {
-                    "col": "skills",
-                    "op": FilterOperator.CONTAINS_ANY.value,
-                    "val": ["Driver", "Cook"],
-                }
-            ]
-        ),
-    )
-    assert "hasany(skills" in sql
-
-
-@pytest.mark.usefixtures("app_context")
-def test_multivalue_contains_all_generates_native_sql():
-    """CONTAINS_ALL compiles to ``hasAll(col, array(...))``."""
-    table = _multivalue_table()
-    sql = _compile(
-        table,
-        _multivalue_query(
-            filters=[
-                {
-                    "col": "skills",
-                    "op": FilterOperator.CONTAINS_ALL.value,
-                    "val": ["Driver", "Cook"],
-                }
-            ]
-        ),
-    )
-    assert "hasall(skills" in sql
-
-
-@pytest.mark.usefixtures("app_context")
-def test_multivalue_is_empty_generates_native_sql():
-    """IS_EMPTY compiles to ``length(col) = 0``."""
-    table = _multivalue_table()
-    sql = _compile(
-        table,
-        _multivalue_query(
-            filters=[{"col": "skills", "op": FilterOperator.IS_EMPTY.value}]
-        ),
-    )
-    assert "length(skills) = 0" in sql
-
-
-@pytest.mark.usefixtures("app_context")
-def test_multivalue_length_filter_generates_native_sql():
-    """A LENGTH_GREATER_THAN filter compiles to ``length(col) > N``."""
-    table = _multivalue_table()
-    sql = _compile(
-        table,
-        _multivalue_query(
-            filters=[
-                {
-                    "col": "skills",
-                    "op": FilterOperator.LENGTH_GREATER_THAN.value,
-                    "val": 2,
-                }
-            ]
-        ),
-    )
-    assert "length(skills) > 2" in sql
-
-
-@pytest.mark.usefixtures("app_context")
-def test_multivalue_contains_unsupported_engine_raises():
-    """CONTAINS_ANY on an engine without array support is rejected."""
-    table = _multivalue_table()
-    query_obj = _multivalue_query(
-        filters=[
-            {
-                "col": "skills",
-                "op": FilterOperator.CONTAINS_ANY.value,
-                "val": ["Driver"],
-            }
-        ]
-    )
-    with pytest.raises(QueryObjectValidationError):
-        table.get_sqla_query(**query_obj)
-
-
-@pytest.mark.usefixtures("app_context")
-def test_multivalue_length_filter_unsupported_engine_raises():
-    """A Length filter on an engine without array support is rejected."""
-    table = _multivalue_table()
-    query_obj = _multivalue_query(
-        filters=[
-            {
-                "col": "skills",
-                "op": FilterOperator.LENGTH_GREATER_THAN.value,
-                "val": 2,
-            }
-        ]
-    )
-    with pytest.raises(QueryObjectValidationError):
-        table.get_sqla_query(**query_obj)
@@ -18,11 +18,15 @@ from unittest.mock import Mock, patch

 import pytest
 from marshmallow import ValidationError
+from pytest_mock import MockerFixture

 from superset.commands.dataset.create import CreateDatasetCommand
 from superset.commands.dataset.exceptions import DatasetInvalidError
 from superset.errors import ErrorLevel, SupersetError, SupersetErrorType
-from superset.exceptions import SupersetParseError
+from superset.exceptions import (
+    SupersetGenericDBErrorException,
+    SupersetParseError,
+)
 from superset.models.core import Database


@@ -250,3 +254,83 @@ def test_create_dataset_generic_exists_error_when_no_twin() -> None:
                            )
                            with pytest.raises(DatasetInvalidError):
                                command.validate()
+
+
+def test_create_dataset_metadata_fetch_error_is_structured(
+    mocker: MockerFixture,
+) -> None:
+    """A metadata-fetch failure must surface the engine's own message.
+
+    ``run()`` executes the SQL to introspect columns; the resulting
+    ``SupersetGenericDBErrorException`` used to escape as a 500 "Fatal error".
+    """
+    mocker.patch.object(CreateDatasetCommand, "validate")
+    dataset = Mock()
+    dataset.fetch_metadata.side_effect = SupersetGenericDBErrorException(
+        message="Invalid SQL: Unable to parse: SELECT ...",
+    )
+    mocker.patch(
+        "superset.commands.dataset.create.DatasetDAO.create",
+        return_value=dataset,
+    )
+
+    command = CreateDatasetCommand(
+        {
+            "database": 1,
+            "table_name": "dataset wrong",
+            "sql": "SELECT ...",
+        }
+    )
+
+    with pytest.raises(DatasetInvalidError) as exc_info:
+        command.run()
+
+    validation_errors = exc_info.value._exceptions
+    assert len(validation_errors) == 1
+    assert validation_errors[0].field_name == "sql"
+    assert "Invalid SQL: Unable to parse: SELECT ..." in str(
+        validation_errors[0].messages[0]
+    )
+
+
+def test_create_dataset_metadata_fetch_error_physical_table(
+    mocker: MockerFixture,
+) -> None:
+    """The same conversion applies to physical datasets, keyed on ``table``."""
+    mocker.patch.object(CreateDatasetCommand, "validate")
+    dataset = Mock()
+    dataset.fetch_metadata.side_effect = SupersetGenericDBErrorException(
+        message="(psycopg2.OperationalError) could not connect to server",
+    )
+    mocker.patch(
+        "superset.commands.dataset.create.DatasetDAO.create",
+        return_value=dataset,
+    )
+
+    command = CreateDatasetCommand({"database": 1, "table_name": "physical_table"})
+
+    with pytest.raises(DatasetInvalidError) as exc_info:
+        command.run()
+
+    validation_errors = exc_info.value._exceptions
+    assert validation_errors[0].field_name == "table"
+    assert "could not connect to server" in str(validation_errors[0].messages[0])
+
+
+def test_create_dataset_run_succeeds_when_metadata_fetch_works(
+    mocker: MockerFixture,
+) -> None:
+    """Control: the happy path still returns the created dataset."""
+    mocker.patch.object(CreateDatasetCommand, "validate")
+    dataset = Mock()
+    mocker.patch(
+        "superset.commands.dataset.create.DatasetDAO.create",
+        return_value=dataset,
+    )
+
+    command = CreateDatasetCommand(
+        {"database": 1, "table_name": "good_dataset", "sql": "SELECT 1 AS a"}
+    )
+
+    assert command.run() is dataset
+    dataset.fetch_metadata.assert_called_once()
@@ -214,3 +214,46 @@ def test_handle_filters_args_returns_request_scoped_filters(
    fresh_filters = api.datamodel.get_filters.return_value
    assert fresh_filters.rest_add_filters.call_count == 2
    assert fresh_filters.get_joined_filters.call_count == 2
+
+
+def test_post_dataset_with_invalid_sql_returns_actionable_422(
+    session: Session,
+    client: Any,
+    full_api_access: None,
+) -> None:
+    """Saving a dataset over unrunnable SQL must explain what is wrong.
+
+    With blanket database access ``validate()`` never parses the SQL, so
+    ``run()``'s column introspection is the first thing to reject it. That
+    used to surface as a bare 500 ``{"message": "Fatal error"}``.
+    """
+    from superset.connectors.sqla.models import SqlaTable
+    from superset.models.core import Database
+
+    SqlaTable.metadata.create_all(db.session.get_bind())
+
+    database = Database(database_name="invalid_sql_db", sqlalchemy_uri="sqlite://")
+    db.session.add(database)
+    db.session.flush()
+
+    response = client.post(
+        "/api/v1/dataset/",
+        json={
+            "database": database.id,
+            "schema": "main",
+            "table_name": "dataset wrong",
+            "sql": "SELECT ...",
+        },
+    )
+
+    assert response.status_code == 422
+    message = response.json["message"]
+    assert "Fatal error" not in str(message)
+    # Not the parser's exact wording -- that would break on a sqlglot bump.
+    assert message["sql"][0].startswith("Invalid SQL")
+
+    # The failed create must not leave a half-built dataset behind.
+    assert (
+        db.session.query(SqlaTable).filter_by(table_name="dataset wrong").one_or_none()
+        is None
+    )
@@ -1490,21 +1490,3 @@ def test_get_public_information_exposes_ansi_identifier_quote() -> None:
        "end": '"',
        "escape_by_doubling": True,
    }
-
-
-def test_multivalue_columns_disabled_by_default() -> None:
-    """Engines must opt in to multi-value support; base defaults to off."""
-    assert BaseEngineSpec.supports_multivalue_columns is False
-
-
-@pytest.mark.parametrize(
-    "method", ["array_contains_any", "array_contains_all", "array_length"]
-)
-def test_array_capabilities_raise_when_unsupported(method: str) -> None:
-    """Array capability methods raise NotImplementedError unless overridden."""
-    from sqlalchemy import column
-
-    fn = getattr(BaseEngineSpec, method)
-    args = (column("c"), ["v"]) if "contains" in method else (column("c"),)
-    with pytest.raises(NotImplementedError):
-        fn(*args)
@@ -143,30 +143,7 @@ def test_connect_convert_dttm(
            GenericDataType.STRING,
            False,
        ),
-        ("Array(UInt8)", String, None, GenericDataType.MULTI_VALUE, False),
-        ("Array(String)", String, None, GenericDataType.MULTI_VALUE, False),
-        ("Array(UInt64)", String, None, GenericDataType.MULTI_VALUE, False),
-        (
-            "Array(LowCardinality(String))",
-            String,
-            None,
-            GenericDataType.MULTI_VALUE,
-            False,
-        ),
-        # Array(Enum(...)) is a real array and must classify as MULTI_VALUE, not
-        # get short-circuited by the Enum rule (the anchored ^Array\( pattern is
-        # ordered before the Enum entry).
-        (
-            "Array(Enum8('a' = 1, 'b' = 2))",
-            String,
-            None,
-            GenericDataType.MULTI_VALUE,
-            False,
-        ),
-        # Arrays nested inside Map/Tuple are not top-level array columns; the
-        # anchored pattern must not over-match them into MULTI_VALUE.
-        ("Map(String, Array(String))", String, None, GenericDataType.STRING, False),
-        ("Tuple(Array(String))", String, None, GenericDataType.STRING, False),
+        ("Array(UInt8)", String, None, GenericDataType.STRING, False),
        ("Enum('hello', 'world')", String, None, GenericDataType.STRING, False),
        ("Enum('UInt32', 'Bool')", String, None, GenericDataType.STRING, False),
        (
@@ -653,115 +630,3 @@ def test_use_equality_for_boolean_filters_property() -> None:
    from superset.db_engine_specs.clickhouse import ClickHouseBaseEngineSpec

    assert ClickHouseBaseEngineSpec.use_equality_for_boolean_filters is True
-
-
-def _compile(expr) -> str:
-    return str(expr.compile(compile_kwargs={"literal_binds": True}))
-
-
-def test_clickhouse_supports_multivalue_columns() -> None:
-    from superset.db_engine_specs.clickhouse import (  # noqa: N813
-        ClickHouseEngineSpec as spec,
-    )
-
-    assert spec.supports_multivalue_columns is True
-
-
-def test_multivalue_contains_any_sql() -> None:
-    from sqlalchemy import column
-
-    from superset.db_engine_specs.clickhouse import (  # noqa: N813
-        ClickHouseEngineSpec as spec,
-    )
-
-    expr = spec.array_contains_any(column("skills"), ["Driver", "Cook"])
-    assert _compile(expr) == "hasAny(skills, array('Driver', 'Cook'))"
-
-
-def test_multivalue_contains_all_sql() -> None:
-    from sqlalchemy import column
-
-    from superset.db_engine_specs.clickhouse import (  # noqa: N813
-        ClickHouseEngineSpec as spec,
-    )
-
-    expr = spec.array_contains_all(column("skills"), ["Driver", "Cook"])
-    assert _compile(expr) == "hasAll(skills, array('Driver', 'Cook'))"
-
-
-def test_multivalue_contains_binds_parameters() -> None:
-    """Values must be bound parameters, not inlined (SQL-injection safety)."""
-    from sqlalchemy import column
-
-    from superset.db_engine_specs.clickhouse import (  # noqa: N813
-        ClickHouseEngineSpec as spec,
-    )
-
-    expr = spec.array_contains_any(column("skills"), ["Driver"])
-    compiled = expr.compile()
-    assert "Driver" not in str(compiled)
-    assert "Driver" in compiled.params.values()
-
-
-def test_multivalue_length_sql() -> None:
-    from sqlalchemy import column
-
-    from superset.db_engine_specs.clickhouse import (  # noqa: N813
-        ClickHouseEngineSpec as spec,
-    )
-
-    expr = spec.array_length(column("skills"))
-    assert _compile(expr) == "length(skills)"
-
-
-@pytest.mark.parametrize(
-    "native_type,expected",
-    [
-        ("Array(String)", GenericDataType.STRING),
-        ("Array(Int32)", GenericDataType.NUMERIC),
-        ("Array(UInt64)", GenericDataType.NUMERIC),
-        ("Array(Decimal(10, 2))", GenericDataType.NUMERIC),
-        ("Array(DateTime)", GenericDataType.TEMPORAL),
-        ("Array(Enum8('a' = 1))", GenericDataType.STRING),
-        # Wrappers around the element type don't change the generic type.
-        ("Array(Nullable(Int64))", GenericDataType.NUMERIC),
-        ("Array(LowCardinality(String))", GenericDataType.STRING),
-        # Non-array / nested-array types have no array element type.
-        ("String", None),
-        ("Map(String, Array(String))", None),
-    ],
-)
-def test_multivalue_get_array_element_type(
-    native_type: str, expected: GenericDataType | None
-) -> None:
-    from superset.db_engine_specs.clickhouse import (  # noqa: N813
-        ClickHouseEngineSpec as spec,
-    )
-
-    assert spec.get_array_element_type(native_type) == expected
-
-
-def test_multivalue_array_explode_sql() -> None:
-    """array_explode compiles to ``arrayJoin(col)`` (element expansion)."""
-    from sqlalchemy import column
-
-    from superset.db_engine_specs.clickhouse import (  # noqa: N813
-        ClickHouseEngineSpec as spec,
-    )
-
-    expr = spec.array_explode(column("scores"))
-    assert _compile(expr) == "arrayJoin(scores)"
-
-
-def test_multivalue_contains_any_numeric_coercion_sql() -> None:
-    """Numeric-array element values must render as numbers, not quoted strings."""
-    from sqlalchemy import column
-
-    from superset.db_engine_specs.clickhouse import (  # noqa: N813
-        ClickHouseEngineSpec as spec,
-    )
-
-    # Simulate values already coerced to numbers (as helpers.py does via the
-    # element type) and confirm the emitted array literal is numeric.
-    expr = spec.array_contains_any(column("scores"), [5, 6])
-    assert _compile(expr) == "hasAny(scores, array(5, 6))"
@@ -1981,23 +1981,6 @@ def test_create_virtual_dataset_request_optional_fields() -> None:
    assert req.description == "A virtual dataset"


-def test_create_virtual_dataset_rejects_non_aggregate_saved_metric() -> None:
-    from pydantic import ValidationError
-
-    with pytest.raises(ValidationError, match="saved metrics must aggregate rows"):
-        CreateVirtualDatasetRequest(
-            database_id=1,
-            sql="SELECT needed_operators FROM staffing",
-            dataset_name="Staffing",
-            metrics=[
-                {
-                    "metric_name": "needed_operators",
-                    "expression": "needed_operators",
-                }
-            ],
-        )
-
-
 # --- Tool logic tests ---


@@ -2136,39 +2119,6 @@ async def test_create_virtual_dataset_create_failed(mcp_server: object) -> None:
    assert "Failed to create dataset" in data["error"]


-@pytest.mark.asyncio
-async def test_create_virtual_dataset_sql_error_is_actionable(
-    mcp_server: object,
-) -> None:
-    """Warehouse SQL errors are recoverable tool results, not adapter crashes."""
-    from superset.exceptions import SupersetGenericDBErrorException
-
-    mock_command = MagicMock()
-    mock_command.run.side_effect = SupersetGenericDBErrorException(
-        "Invalid column name 'missing_value'"
-    )
-
-    with patch(
-        "superset.commands.dataset.create.CreateDatasetCommand",
-        return_value=mock_command,
-    ):
-        async with Client(mcp_server) as client:
-            request = CreateVirtualDatasetRequest(
-                database_id=1,
-                sql="SELECT missing_value FROM sample_events",
-                dataset_name="Test",
-            )
-            result = await client.call_tool(
-                "create_virtual_dataset", {"request": request.model_dump()}
-            )
-            data = json.loads(result.content[0].text)
-
-    assert data["id"] is None
-    assert data["columns"] == []
-    assert data["error"] is not None
-    assert "Invalid column name" in data["error"]
-
-
@pytest.mark.asyncio
 async def test_create_virtual_dataset_permission_denied(mcp_server: object) -> None:
    """SQL access denied surfaces as DatasetInvalidError with id=None."""
@@ -2339,13 +2289,7 @@ async def test_create_virtual_dataset_update_failure_rollback(
    if exception_to_raise == "DatasetUpdateFailedError":
        mock_update_instance.run.side_effect = DatasetUpdateFailedError()
    else:
-        from superset.commands.dataset.exceptions import (
-            DatasetColumnsExistsValidationError,
-        )
-
-        invalid_error = DatasetInvalidError()
-        invalid_error.append(DatasetColumnsExistsValidationError())
-        mock_update_instance.run.side_effect = invalid_error
+        mock_update_instance.run.side_effect = DatasetInvalidError()
    mock_update_cls = MagicMock(return_value=mock_update_instance)

    mock_delete_instance = MagicMock()
@@ -2392,11 +2336,7 @@ async def test_create_virtual_dataset_update_failure_rollback(
    # Verify the error response
    data = json.loads(result.content[0].text)
    assert data["id"] is None
-    if exception_to_raise == "DatasetInvalidError":
-        assert "columns" in data["error"]
-        assert "already exist" in data["error"]
-    else:
-        assert "creation rolled back" in data["error"]
+    assert "creation rolled back" in data["error"]


@pytest.mark.asyncio
@@ -1,274 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-"""Element-level array filter operators (Contains Any/All, Is empty/not empty)."""
-
-from __future__ import annotations
-
-from typing import Any, cast
-
-import pytest
-from flask import Flask
-from pytest_mock import MockerFixture
-
-from superset.connectors.sqla.models import SqlaTable, SqlMetric, TableColumn
-from superset.exceptions import QueryObjectValidationError
-from superset.models.core import Database
-from superset.superset_typing import QueryObjectDict
-from superset.utils.core import FilterOperator
-
-
-def _make_dataset(mocker: MockerFixture) -> SqlaTable:
-    database = Database(id=1, database_name="test_db", sqlalchemy_uri="sqlite://")
-    columns = [
-        TableColumn(column_name="skills", type="Array(String)"),
-        TableColumn(column_name="scores", type="Array(Int32)"),
-        TableColumn(column_name="city", type="VARCHAR(100)"),
-    ]
-    dataset = SqlaTable(
-        table_name="jobs",
-        columns=columns,
-        database=database,
-        metrics=[SqlMetric(metric_name="count", expression="COUNT(*)")],
-    )
-    mocker.patch(
-        "superset.connectors.sqla.models.security_manager.get_guest_rls_filters",
-        return_value=[],
-    )
-    mocker.patch(
-        "superset.connectors.sqla.models.security_manager.is_guest_user",
-        return_value=False,
-    )
-    return dataset
-
-
-def _clickhouse(mocker: MockerFixture, dataset: SqlaTable) -> None:
-    # Imported lazily: clickhouse.py touches app.config at import time.
-    from superset.db_engine_specs.clickhouse import ClickHouseEngineSpec
-
-    mocker.patch.object(
-        SqlaTable, "db_engine_spec", new=property(lambda self: ClickHouseEngineSpec)
-    )
-
-
-def _filter_query(filters: list[dict[str, Any]]) -> QueryObjectDict:
-    return cast(
-        QueryObjectDict,
-        {
-            "granularity": None,
-            "from_dttm": None,
-            "to_dttm": None,
-            "is_timeseries": False,
-            "groupby": ["city"],
-            "metrics": ["count"],
-            "filter": filters,
-            "columns": [],
-        },
-    )
-
-
-def _sql(dataset: SqlaTable, filters: list[dict[str, Any]]) -> str:
-    return dataset.get_query_str_extended(
-        _filter_query(filters), mutate=False
-    ).sql.lower()
-
-
-def test_contains_any_generates_hasany(mocker: MockerFixture, app: Flask) -> None:
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(
-            dataset,
-            [
-                {
-                    "col": "skills",
-                    "op": FilterOperator.CONTAINS_ANY.value,
-                    "val": ["Driver", "Cook"],
-                }
-            ],
-        )
-    assert "hasany(skills, array('driver', 'cook'))" in sql
-
-
-def test_contains_any_numeric_array_coerces_values(
-    mocker: MockerFixture, app: Flask
-) -> None:
-    """Values for a numeric array must render as numbers, not quoted strings."""
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(
-            dataset,
-            [
-                {
-                    "col": "scores",
-                    "op": FilterOperator.CONTAINS_ANY.value,
-                    "val": ["5", "6"],
-                }
-            ],
-        )
-    assert "hasany(scores, array(5, 6))" in sql
-    assert "'5'" not in sql
-
-
-def test_equals_numeric_array_coerces_values(mocker: MockerFixture, app: Flask) -> None:
-    """Whole-array equality on a numeric array coerces the parsed literal."""
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(
-            dataset,
-            [
-                {
-                    "col": "scores",
-                    "op": FilterOperator.EQUALS.value,
-                    "val": "[5, 6]",
-                }
-            ],
-        )
-    assert "scores = array(5, 6)" in sql
-
-
-def test_contains_all_generates_hasall(mocker: MockerFixture, app: Flask) -> None:
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(
-            dataset,
-            [
-                {
-                    "col": "skills",
-                    "op": FilterOperator.CONTAINS_ALL.value,
-                    "val": ["Driver", "Cook"],
-                }
-            ],
-        )
-    assert "hasall(skills, array('driver', 'cook'))" in sql
-
-
-def test_is_empty_generates_length_zero(mocker: MockerFixture, app: Flask) -> None:
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(dataset, [{"col": "skills", "op": FilterOperator.IS_EMPTY.value}])
-    assert "length(skills) = 0" in sql
-
-
-def test_is_not_empty_generates_length_gt_zero(
-    mocker: MockerFixture, app: Flask
-) -> None:
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(
-            dataset, [{"col": "skills", "op": FilterOperator.IS_NOT_EMPTY.value}]
-        )
-    assert "length(skills) > 0" in sql
-
-
-def test_contains_resolves_to_hasany(mocker: MockerFixture, app: Flask) -> None:
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(
-            dataset,
-            [
-                {
-                    "col": "skills",
-                    "op": FilterOperator.CONTAINS_ANY.value,
-                    "val": ["Driver"],
-                }
-            ],
-        )
-    assert "hasany(skills" in sql
-
-
-def test_element_op_on_scalar_column_raises(mocker: MockerFixture, app: Flask) -> None:
-    """CONTAINS_ANY on a scalar column is rejected on an array-capable engine."""
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():  # noqa: SIM117
-        with pytest.raises(QueryObjectValidationError):
-            _sql(
-                dataset,
-                [
-                    {
-                        "col": "city",
-                        "op": FilterOperator.CONTAINS_ANY.value,
-                        "val": ["NYC"],
-                    }
-                ],
-            )
-
-
-def test_element_op_unsupported_engine_raises(
-    mocker: MockerFixture, app: Flask
-) -> None:
-    """On an engine without array support (sqlite) the array op is rejected."""
-    dataset = _make_dataset(mocker)
-    with app.test_request_context():  # noqa: SIM117
-        with pytest.raises(QueryObjectValidationError):
-            _sql(dataset, [{"col": "skills", "op": FilterOperator.IS_EMPTY.value}])
-
-
-def test_equals_on_array_parses_literal(mocker: MockerFixture, app: Flask) -> None:
-    """A pasted array literal for = is parsed into col = array(...)."""
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(
-            dataset,
-            [
-                {
-                    "col": "skills",
-                    "op": FilterOperator.EQUALS.value,
-                    "val": "['Driver', 'Cook']",
-                }
-            ],
-        )
-    assert "skills = array('driver', 'cook')" in sql
-
-
-def test_equals_on_array_plain_value_fallback(
-    mocker: MockerFixture, app: Flask
-) -> None:
-    """A plain (non-bracketed) value becomes a single-element array."""
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(
-            dataset,
-            [{"col": "skills", "op": FilterOperator.EQUALS.value, "val": "Driver"}],
-        )
-    assert "skills = array('driver')" in sql
-
-
-def test_in_on_array_parses_literals(mocker: MockerFixture, app: Flask) -> None:
-    """Whole-array IN parses each pasted array literal into its own array."""
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(
-            dataset,
-            [
-                {
-                    "col": "skills",
-                    "op": FilterOperator.IN.value,
-                    "val": ["['Driver']", "['Cook']"],
-                }
-            ],
-        )
-    assert "skills in (array('driver'), array('cook'))" in sql
@@ -1,130 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-"""The Length array filter operators: length(col) compared to a number."""
-
-from __future__ import annotations
-
-from typing import Any
-
-import pytest
-from flask import Flask
-from pytest_mock import MockerFixture
-
-from superset.connectors.sqla.models import SqlaTable, SqlMetric, TableColumn
-from superset.exceptions import QueryObjectValidationError
-from superset.models.core import Database
-from superset.superset_typing import QueryObjectDict
-from superset.utils.core import FilterOperator
-
-
-def _make_dataset(mocker: MockerFixture) -> SqlaTable:
-    database = Database(id=1, database_name="test_db", sqlalchemy_uri="sqlite://")
-    columns = [
-        TableColumn(column_name="skills", type="Array(String)"),
-        TableColumn(column_name="city", type="VARCHAR(100)"),
-    ]
-    dataset = SqlaTable(
-        table_name="jobs",
-        columns=columns,
-        database=database,
-        metrics=[SqlMetric(metric_name="count", expression="COUNT(*)")],
-    )
-    mocker.patch(
-        "superset.connectors.sqla.models.security_manager.get_guest_rls_filters",
-        return_value=[],
-    )
-    mocker.patch(
-        "superset.connectors.sqla.models.security_manager.is_guest_user",
-        return_value=False,
-    )
-    return dataset
-
-
-def _clickhouse(mocker: MockerFixture, dataset: SqlaTable) -> None:
-    from superset.db_engine_specs.clickhouse import ClickHouseEngineSpec
-
-    mocker.patch.object(
-        SqlaTable, "db_engine_spec", new=property(lambda self: ClickHouseEngineSpec)
-    )
-
-
-def _sql(dataset: SqlaTable, op: str, val: Any, col: str = "skills") -> str:
-    query: QueryObjectDict = {
-        "granularity": None,
-        "from_dttm": None,
-        "to_dttm": None,
-        "is_timeseries": False,
-        "groupby": ["city"],
-        "metrics": ["count"],
-        "filter": [{"col": col, "op": op, "val": val}],
-        "columns": [],
-    }
-    return dataset.get_query_str_extended(query, mutate=False).sql.lower()
-
-
-@pytest.mark.parametrize(
-    "op,expected",
-    [
-        (FilterOperator.LENGTH_EQUALS, "length(skills) = 3"),
-        (FilterOperator.LENGTH_GREATER_THAN, "length(skills) > 3"),
-        (FilterOperator.LENGTH_LESS_THAN, "length(skills) < 3"),
-        (FilterOperator.LENGTH_GREATER_THAN_OR_EQUALS, "length(skills) >= 3"),
-        (FilterOperator.LENGTH_LESS_THAN_OR_EQUALS, "length(skills) <= 3"),
-    ],
-)
-def test_length_operators_generate_length_comparison(
-    mocker: MockerFixture, app: Flask, op: FilterOperator, expected: str
-) -> None:
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(dataset, op.value, 3)
-    assert expected in sql
-
-
-def test_length_accepts_string_number(mocker: MockerFixture, app: Flask) -> None:
-    """A numeric string value is coerced (e.g. '2' -> length(col) > 2)."""
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():
-        sql = _sql(dataset, FilterOperator.LENGTH_GREATER_THAN.value, "2")
-    assert "length(skills) > 2" in sql
-
-
-def test_length_non_numeric_value_raises(mocker: MockerFixture, app: Flask) -> None:
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():  # noqa: SIM117
-        with pytest.raises(QueryObjectValidationError):
-            _sql(dataset, FilterOperator.LENGTH_EQUALS.value, "abc")
-
-
-def test_length_on_scalar_column_raises(mocker: MockerFixture, app: Flask) -> None:
-    """Length on a scalar column is rejected even on an array-capable engine."""
-    dataset = _make_dataset(mocker)
-    _clickhouse(mocker, dataset)
-    with app.test_request_context():  # noqa: SIM117
-        with pytest.raises(QueryObjectValidationError):
-            _sql(dataset, FilterOperator.LENGTH_GREATER_THAN.value, 1, col="city")
-
-
-def test_length_unsupported_engine_raises(mocker: MockerFixture, app: Flask) -> None:
-    """On an engine without array support (sqlite) the length op is rejected."""
-    dataset = _make_dataset(mocker)
-    with app.test_request_context():  # noqa: SIM117
-        with pytest.raises(QueryObjectValidationError):
-            _sql(dataset, FilterOperator.LENGTH_GREATER_THAN.value, 1)
@@ -14,13 +14,7 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-import inspect
-
-from superset.utils.pandas_postprocessing import (
-    escape_separator,
-    pivot,
-    unescape_separator,
-)
+from superset.utils.pandas_postprocessing import escape_separator, unescape_separator


 def test_escape_separator():
@@ -34,19 +28,3 @@ def test_escape_separator():
    escape_string = escape_separator("hello,world")
    assert escape_string == r"hello\,world"
    assert unescape_separator(escape_string) == "hello,world"
-
-
-def test_validate_column_args_preserves_signature():
-    """
-    The decorator must not hide the signature of the operation it wraps.
-
-    `inspect.signature` follows `__wrapped__`, which `functools.wraps` sets.
-    Without it every decorated operation reports `(df, **options)`, and code
-    that inspects the signature -- see `QueryObject._drop_unsupported_options`
-    -- cannot tell a supported option from an unsupported one.
-    """
-    parameters = inspect.signature(pivot).parameters
-
-    assert pivot.__name__ == "pivot"
-    assert "options" not in parameters
-    assert {"index", "aggregates", "columns"} <= set(parameters)
@@ -22,7 +22,6 @@ from superset.common.query_object import QueryObject
 from superset.connectors.sqla.models import SqlaTable
 from superset.models.core import Database
 from superset.superset_typing import Metric
-from superset.utils import pandas_postprocessing
 from superset.utils.core import override_user


@@ -439,143 +438,3 @@ def test_cache_key_cache_impersonation_on_with_different_user_and_db_impersonati
        ],
        any_order=True,
    )
-
-
-def test_post_processing_drops_unsupported_options():
-    """
-    An option that the operation no longer accepts is dropped, not passed on.
-
-    A chart saved by an older version of Superset stores `flatten_columns` in
-    the options of its `pivot` operation. `pivot` lost that parameter when
-    flattening became its own operation, so replaying the stored query_context
-    raised `TypeError: pivot() got an unexpected keyword argument
-    'flatten_columns'`.
-    """
-    query_object = QueryObject(
-        row_limit=1,
-        post_processing=[
-            {
-                "operation": "pivot",
-                "options": {
-                    "index": ["__timestamp"],
-                    "columns": ["genre"],
-                    "aggregates": {"count": {"operator": "mean"}},
-                    "drop_missing_columns": False,
-                    "flatten_columns": True,
-                    "reset_index": True,
-                },
-            }
-        ],
-    )
-
-    options = query_object.post_processing[0]["options"]
-    assert "flatten_columns" not in options
-    assert "reset_index" not in options
-    assert options["drop_missing_columns"] is False
-    assert options["index"] == ["__timestamp"]
-
-
-def test_post_processing_keeps_supported_options():
-    """Options the operation accepts are left alone."""
-    post_processing = [
-        {
-            "operation": "pivot",
-            "options": {"index": ["__timestamp"], "aggregates": {}},
-        }
-    ]
-    query_object = QueryObject(row_limit=1, post_processing=post_processing)
-
-    assert query_object.post_processing == post_processing
-
-
-def test_post_processing_keeps_unknown_operation():
-    """
-    An unknown operation is kept, so that `exec_post_processing` can report it
-    as an `InvalidPostProcessingError` rather than being silently dropped here.
-    """
-    query_object = QueryObject(
-        row_limit=1,
-        post_processing=[{"operation": "does_not_exist", "options": {"a": 1}}, None],
-    )
-
-    assert query_object.post_processing == [
-        {"operation": "does_not_exist", "options": {"a": 1}}
-    ]
-
-
-def test_post_processing_drops_the_dataframe_parameter():
-    """
-    The DataFrame parameter is not an option.
-
-    `exec_post_processing` calls `operation(df, **options)`, so an option named
-    after the first parameter would raise `TypeError: pivot() got multiple
-    values for argument 'df'`.
-    """
-    query_object = QueryObject(
-        row_limit=1,
-        post_processing=[
-            {
-                "operation": "pivot",
-                "options": {"df": "malformed", "index": ["a"], "aggregates": {}},
-            }
-        ],
-    )
-
-    options = query_object.post_processing[0]["options"]
-    assert "df" not in options
-    assert options["index"] == ["a"]
-
-
-def test_post_processing_keeps_options_of_a_variadic_operation():
-    """An operation that accepts `**kwargs` accepts every option."""
-
-    def variadic(df, **kwargs):
-        return df
-
-    post_processing = [{"operation": "variadic", "options": {"anything": 1}}]
-    with patch.object(pandas_postprocessing, "variadic", variadic, create=True):
-        query_object = QueryObject(row_limit=1, post_processing=post_processing)
-
-    assert query_object.post_processing == post_processing
-
-
-def test_post_processing_drops_a_variadic_positional_option():
-    """
-    A `*args` parameter cannot be filled by a keyword argument.
-
-    `exec_post_processing` calls the operation as `operation(df, **options)`,
-    so an option named after a `*args` parameter would raise `TypeError:
-    variadic_positional() got an unexpected keyword argument 'args'` even
-    though the name appears in the signature.
-    """
-
-    def variadic_positional(df, *args, index=None):  # pylint: disable=unused-argument
-        return df
-
-    with patch.object(
-        pandas_postprocessing, "variadic_positional", variadic_positional, create=True
-    ):
-        query_object = QueryObject(
-            row_limit=1,
-            post_processing=[
-                {
-                    "operation": "variadic_positional",
-                    "options": {"args": [1], "index": ["a"]},
-                }
-            ],
-        )
-
-    options = query_object.post_processing[0]["options"]
-    assert "args" not in options
-    assert options["index"] == ["a"]
-
-
-def test_post_processing_keeps_an_entry_without_an_operation():
-    """
-    An entry that names no operation is kept, so that `exec_post_processing`
-    reports it as an `InvalidPostProcessingError`.
-    """
-    post_processing = [{"options": {"a": 1}}]
-    query_object = QueryObject(row_limit=1, post_processing=post_processing)
-
-    assert query_object.post_processing == post_processing
@@ -637,91 +637,6 @@ class TestWebDriverPlaywrightErrorHandling:
            "",
        )

-    @patch("superset.utils.webdriver.PLAYWRIGHT_AVAILABLE", True)
-    @patch("superset.utils.webdriver._browser_manager")
-    @patch("superset.utils.webdriver.take_tiled_screenshot")
-    def test_large_report_dashboard_tiles_even_when_measured_height_is_short(
-        self, mock_take_tiled, mock_browser_manager
-    ):
-        """Regression: the GOOD (full) report path is the tiled one; BAD
-        (blank/partial) runs mis-route a large dashboard to the single-shot
-        non-tiled capture because ``scrollHeight`` is measured while charts are
-        still virtualized/collapsed (<= one tile). A scheduled report whose
-        dashboard is large by chart count must take the tiled path regardless
-        of that stale height measurement, so every region is scrolled into
-        view and waited on instead of captured as a windowed partial.
-        """
-        mock_user = MagicMock()
-        mock_user.username = "test_user"
-
-        mock_browser = MagicMock()
-        mock_context = MagicMock()
-        mock_page = MagicMock()
-        mock_element = MagicMock()
-        mock_chart_container = MagicMock()
-
-        mock_browser_manager.get_browser.return_value = mock_browser
-        mock_browser.new_context.return_value = mock_context
-        mock_context.new_page.return_value = mock_page
-
-        def locator_side_effect(selector):
-            if selector == ".chart-container":
-                locator = MagicMock()
-                locator.all.return_value = [mock_chart_container]
-                return locator
-            return mock_element
-
-        mock_page.locator.side_effect = locator_side_effect
-        mock_take_tiled.return_value = b"tiled_screenshot"
-
-        def evaluate_side_effect(script):
-            if script == 'document.querySelectorAll(".chart-container").length':
-                return 52  # mounted containers
-            if "const target = document.querySelector" in script:
-                # Non-zero but <= one tile: the classic mid-layout measurement
-                # that previously vetoed tiling and dropped to the non-tiled
-                # path.
-                return 1500
-            return None
-
-        mock_page.evaluate.side_effect = evaluate_side_effect
-
-        with patch("superset.utils.webdriver.app") as mock_app:
-            mock_app.config = {
-                "WEBDRIVER_OPTION_ARGS": [],
-                "WEBDRIVER_WINDOW": {"pixel_density": 1},
-                "SCREENSHOT_PLAYWRIGHT_DEFAULT_TIMEOUT": 30000,
-                "SCREENSHOT_PLAYWRIGHT_WAIT_EVENT": "networkidle",
-                "SCREENSHOT_SELENIUM_HEADSTART": 1,
-                "SCREENSHOT_SELENIUM_ANIMATION_WAIT": 1,
-                "SCREENSHOT_LOCATE_WAIT": 10,
-                "SCREENSHOT_LOAD_WAIT": 10,
-                "SCREENSHOT_REPLACE_UNEXPECTED_ERRORS": False,
-                "SCREENSHOT_TILED_ENABLED": True,
-                "SCREENSHOT_TILED_CHART_THRESHOLD": 20,
-                "SCREENSHOT_TILED_HEIGHT_THRESHOLD": 5000,
-                # Larger than the measured 1500px height, so only the new
-                # report-mode branch (not `dashboard_height > tile_height`) can
-                # select tiling here.
-                "SCREENSHOT_TILED_VIEWPORT_HEIGHT": 2000,
-            }
-
-            with patch.object(WebDriverPlaywright, "auth") as mock_auth:
-                mock_auth.return_value = mock_context
-
-                driver = WebDriverPlaywright("chrome")
-                result = driver.get_screenshot(
-                    "http://example.com/dashboard/805",
-                    "standalone",
-                    mock_user,
-                    report_execution_context=_report_context(),
-                )
-
-        assert result == b"tiled_screenshot"
-        mock_take_tiled.assert_called_once()
-        # The non-tiled single-shot capture must not run for this large report.
-        mock_page.screenshot.assert_not_called()
-
    @patch("superset.utils.webdriver.PLAYWRIGHT_AVAILABLE", True)
    @patch("superset.utils.webdriver._browser_manager")
    @patch("superset.utils.webdriver.logger")
@@ -1253,103 +1168,6 @@ class TestWebDriverPlaywrightChartReadiness:
        page.wait_for_function.assert_not_called()
        page.screenshot.assert_not_called()

-    def test_report_readiness_forces_below_fold_render_and_waits_for_all_holders(
-        self,
-    ):
-        """Regression for blank/partial report PDFs.
-
-        The non-tiled report capture takes a single full-page screenshot that
-        includes below-the-fold holders, so the readiness gate must (a) force
-        every virtualized row to render up front and (b) require *all* mounted
-        holders -- not just the viewport-visible ones -- to reach a terminal
-        state. Otherwise an off-screen holder that never rendered is captured
-        blank and silently delivered as a Success.
-        """
-        from superset.utils.screenshot_utils import (
-            FORCE_ALL_CHART_HOLDERS_IN_VIEW_JS,
-            REPORT_ALL_CHART_HOLDERS_READY_JS,
-        )
-
-        page = MagicMock()
-        page.evaluate.return_value = [{"chartId": "7", "state": "rendered"}]
-
-        WebDriverPlaywright._wait_for_charts_ready(
-            page,
-            "http://example.com/dashboard/805",
-            5,
-            "standalone",
-            report_execution_context=_report_context(),
-        )
-
-        # (a) Off-screen rows are forced to render before the wait.
-        assert any(
-            call.args and call.args[0] == FORCE_ALL_CHART_HOLDERS_IN_VIEW_JS
-            for call in page.evaluate.call_args_list
-        )
-        # (b) The readiness predicate is the all-holders variant: it must not
-        # skip below-the-fold holders (no viewport-intersection test), so a
-        # virtualized/unrendered off-screen holder cannot satisfy the gate.
-        predicate = page.wait_for_function.call_args.args[0]
-        assert predicate == REPORT_ALL_CHART_HOLDERS_READY_JS
-        assert "getBoundingClientRect" not in predicate
-        assert "window.innerHeight" not in predicate
-
-    @patch("superset.utils.webdriver.logger")
-    def test_report_readiness_below_fold_unrendered_fails_loudly(self, mock_logger):
-        """When an off-screen holder never renders within budget the report
-        must fail loudly (raise) rather than capture/deliver a blank
-        screenshot, and the terminal log must surface the below-the-fold
-        unready holders that the viewport-scoped diagnostic hides as
-        'virtualized'.
-        """
-        from superset.utils.screenshot_utils import (
-            FIND_ALL_UNREADY_CHART_HOLDERS_JS,
-            FIND_CHART_HOLDER_STATES_JS,
-        )
-        from superset.utils.webdriver import PlaywrightTimeout
-
-        page = MagicMock()
-        # 22 on-screen rendered holders + 30 off-screen holders that the
-        # viewport-scoped diagnostic labels 'virtualized' (and would otherwise
-        # count as "ready").
-        holder_states = [
-            {"chartId": str(i), "state": "rendered"} for i in range(22)
-        ] + [{"chartId": str(i), "state": "virtualized"} for i in range(22, 52)]
-        below_fold_unready = [
-            {"chartId": str(i), "state": "nothing_mounted"} for i in range(22, 52)
-        ]
-
-        def _evaluate(script, *args):
-            if script == FIND_ALL_UNREADY_CHART_HOLDERS_JS:
-                return below_fold_unready
-            if script == FIND_CHART_HOLDER_STATES_JS:
-                return holder_states
-            return None
-
-        page.evaluate.side_effect = _evaluate
-        page.wait_for_function.side_effect = PlaywrightTimeout(
-            "below-fold holders never rendered"
-        )
-
-        with pytest.raises(PlaywrightTimeout):
-            WebDriverPlaywright._wait_for_charts_ready(
-                page,
-                "http://example.com/dashboard/805",
-                5,
-                "standalone",
-                report_execution_context=_report_context(),
-            )
-
-        terminal_call = next(
-            call
-            for call in mock_logger.warning.call_args_list
-            if call.args and call.args[0].startswith("report_readiness_terminal")
-        )
-        assert "terminal_reason=readiness_timeout" in terminal_call.args[0]
-        # The below-the-fold offenders are surfaced explicitly.
-        assert "all_unready_holders=" in terminal_call.args[0]
-        assert below_fold_unready in terminal_call.args
-
    @patch("superset.utils.webdriver.logger")
    def test_chart_capture_ready_logs_container_state_not_holder_counts(
        self, mock_logger
Author	SHA1	Message	Date
Enzo Martellucci	540f8cb2d0	fix(sqllab): invalidate the dataset-save gate when the editor SQL changes	2026-08-19 16:52:40 +02:00
Enzo Martellucci	aae997e546	fix(sql_lab): return 400 not 500 when raise_for_access hits malformed Jinja	2026-08-19 16:02:09 +02:00