feat(db_engine_specs): add Apache Phoenix and Apache IoTDB engine specs (#37590)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

superset/db_engine_specs/iotdb.py

@@ -0,0 +1,59 @@
+# 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.
+from __future__ import annotations
+
+from superset.db_engine_specs.base import BaseEngineSpec, DatabaseCategory
+
+
+class IoTDBEngineSpec(BaseEngineSpec):  # pylint: disable=abstract-method
+    """Dialect for Apache IoTDB"""
+
+    engine = "iotdb"
+    engine_name = "Apache IoTDB"
+
+    metadata = {
+        "description": (
+            "Apache IoTDB is a time series database designed for IoT data, "
+            "with efficient storage and query capabilities for massive "
+            "time series data."
+        ),
+        "logo": "apache-iotdb.svg",
+        "homepage_url": "https://iotdb.apache.org/",
+        "categories": [
+            DatabaseCategory.APACHE_PROJECTS,
+            DatabaseCategory.TIME_SERIES,
+            DatabaseCategory.OPEN_SOURCE,
+        ],
+        "pypi_packages": ["apache-iotdb"],
+        "connection_string": "iotdb://{username}:{password}@{hostname}:{port}",
+        "default_port": 6667,
+        "parameters": {
+            "username": "Database username (default: root)",
+            "password": "Database password (default: root)",
+            "hostname": "IP address or hostname",
+            "port": "Default 6667",
+        },
+        "notes": (
+            "The IoTDB SQLAlchemy dialect was written to integrate with "
+            "Apache Superset. IoTDB uses a hierarchical data model, which "
+            "is reorganized into a relational model for SQL queries."
+        ),
+    }
+
+    _time_grain_expressions = {
+        None: "{col}",
+    }