fix: Unable to parse escaped tables (#30560)

superset/sql_parse.py

@@ -28,7 +28,6 @@ import sqlparse
 from flask_babel import gettext as __
 from jinja2 import nodes
 from sqlalchemy import and_
-from sqlglot.dialects.dialect import Dialects
 from sqlparse import keywords
 from sqlparse.lexer import Lexer
 from sqlparse.sql import (
@@ -61,7 +60,12 @@ from superset.exceptions import (
     SupersetParseError,
     SupersetSecurityException,
 )
-from superset.sql.parse import extract_tables_from_statement, SQLScript, Table
+from superset.sql.parse import (
+    extract_tables_from_statement,
+    SQLGLOT_DIALECTS,
+    SQLScript,
+    Table,
+)
 from superset.utils.backports import StrEnum
 
 try:
@@ -88,61 +92,6 @@ sqlparser_sql_regex.insert(25, (r"'(''|\\\\|\\|[^'])*'", sqlparse.tokens.String.
 lex.set_SQL_REGEX(sqlparser_sql_regex)
 
 
-# mapping between DB engine specs and sqlglot dialects
-SQLGLOT_DIALECTS = {
-    "ascend": Dialects.HIVE,
-    "awsathena": Dialects.PRESTO,
-    "bigquery": Dialects.BIGQUERY,
-    "clickhouse": Dialects.CLICKHOUSE,
-    "clickhousedb": Dialects.CLICKHOUSE,
-    "cockroachdb": Dialects.POSTGRES,
-    "couchbase": Dialects.MYSQL,
-    # "crate": ???
-    # "databend": ???
-    "databricks": Dialects.DATABRICKS,
-    # "db2": ???
-    # "dremio": ???
-    "drill": Dialects.DRILL,
-    # "druid": ???
-    "duckdb": Dialects.DUCKDB,
-    # "dynamodb": ???
-    # "elasticsearch": ???
-    # "exa": ???
-    # "firebird": ???
-    # "firebolt": ???
-    "gsheets": Dialects.SQLITE,
-    "hana": Dialects.POSTGRES,
-    "hive": Dialects.HIVE,
-    # "ibmi": ???
-    # "impala": ???
-    # "kustokql": ???
-    # "kylin": ???
-    "mssql": Dialects.TSQL,
-    "mysql": Dialects.MYSQL,
-    "netezza": Dialects.POSTGRES,
-    # "ocient": ???
-    # "odelasticsearch": ???
-    "oracle": Dialects.ORACLE,
-    # "pinot": ???
-    "postgresql": Dialects.POSTGRES,
-    "presto": Dialects.PRESTO,
-    "pydoris": Dialects.DORIS,
-    "redshift": Dialects.REDSHIFT,
-    # "risingwave": ???
-    # "rockset": ???
-    "shillelagh": Dialects.SQLITE,
-    "snowflake": Dialects.SNOWFLAKE,
-    # "solr": ???
-    "spark": Dialects.SPARK,
-    "sqlite": Dialects.SQLITE,
-    "starrocks": Dialects.STARROCKS,
-    "superset": Dialects.SQLITE,
-    "teradatasql": Dialects.TERADATA,
-    "trino": Dialects.TRINO,
-    "vertica": Dialects.POSTGRES,
-}
-
-
 class CtasMethod(StrEnum):
     TABLE = "TABLE"
     VIEW = "VIEW"