feat: Add support for Azure Data Explorer (Kusto) db engine spec (#17898)

* Add two Kusto engine specs: KQL and SQL. Some minor changes in core code to support Kusto engine specs.

* Remove redundant imports and logging.

* docs: Kusto sqlalchemy docs

* fix: Fix mypy and linting errors

* fix: Handle Black vs Pylint checks

* fix: isort problem

* refactor: Merge kustosql and kustokql in the single kusto module

* test: Add tests for Kusto db spec

* feat: Schema override does not require in KQL anymore

* Removed redundant imports.

* Added ".show" queries to readonly query determination.

* Fixed some bugs.
Added tests for convert_dttm.

* Fixed major sqlalchemy-kusto version.

* Fixed by isort.

Co-authored-by: Eugene Bikkinin <xnegxneg@gmail.com>
Co-authored-by: k.tomak <k.tomak@dodopizza.com>
Co-authored-by: Eugene Bikkinin <e.bikkinin@dodopizza.com>

superset/models/core.py

@@ -29,7 +29,6 @@ from typing import Any, Callable, Dict, List, Optional, Set, Tuple, Type
 import numpy
 import pandas as pd
 import sqlalchemy as sqla
-import sqlparse
 from flask import g, request
 from flask_appbuilder import Model
 from sqlalchemy import (
@@ -399,7 +398,7 @@ class Database(
         mutator: Optional[Callable[[pd.DataFrame], None]] = None,
         username: Optional[str] = None,
     ) -> pd.DataFrame:
-        sqls = [str(s).strip(" ;") for s in sqlparse.parse(sql)]
+        sqls = self.db_engine_spec.parse_sql(sql)
 
         engine = self.get_sqla_engine(schema=schema, user_name=username)
         username = utils.get_username() or username