fix(Explore): Apply RLS at column values (#30490)

Co-authored-by: Beto Dealmeida <roberto@dealmeida.net>

tests/unit_tests/models/helpers_test.py

@@ -21,6 +21,7 @@ from __future__ import annotations
 
 from contextlib import contextmanager
 from typing import TYPE_CHECKING
+from unittest.mock import patch
 
 import pytest
 from pytest_mock import MockerFixture
@@ -85,6 +86,58 @@ def test_values_for_column(database: Database) -> None:
     assert table.values_for_column("a") == [1, None]
 
 
+def test_values_for_column_with_rls(database: Database) -> None:
+    """
+    Test the `values_for_column` method with RLS enabled.
+    """
+    from sqlalchemy.sql.elements import TextClause
+
+    from superset.connectors.sqla.models import SqlaTable, TableColumn
+
+    table = SqlaTable(
+        database=database,
+        schema=None,
+        table_name="t",
+        columns=[
+            TableColumn(column_name="a"),
+        ],
+    )
+    with patch.object(
+        table,
+        "get_sqla_row_level_filters",
+        return_value=[
+            TextClause("a = 1"),
+        ],
+    ):
+        assert table.values_for_column("a") == [1]
+
+
+def test_values_for_column_with_rls_no_values(database: Database) -> None:
+    """
+    Test the `values_for_column` method with RLS enabled and no values.
+    """
+    from sqlalchemy.sql.elements import TextClause
+
+    from superset.connectors.sqla.models import SqlaTable, TableColumn
+
+    table = SqlaTable(
+        database=database,
+        schema=None,
+        table_name="t",
+        columns=[
+            TableColumn(column_name="a"),
+        ],
+    )
+    with patch.object(
+        table,
+        "get_sqla_row_level_filters",
+        return_value=[
+            TextClause("a = 2"),
+        ],
+    ):
+        assert table.values_for_column("a") == []
+
+
 def test_values_for_column_calculated(
     mocker: MockerFixture,
     database: Database,