| # 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 re |
| from typing import List, Optional |
| |
| from pgsanity.pgsanity import check_string |
| |
| from superset.models.core import Database |
| from superset.sql_validators.base import BaseSQLValidator, SQLValidationAnnotation |
| |
| |
| class PostgreSQLValidator(BaseSQLValidator): # pylint: disable=too-few-public-methods |
| """Validate SQL queries using the pgsanity module""" |
| |
| name = "PostgreSQLValidator" |
| |
| @classmethod |
| def validate( |
| cls, sql: str, schema: Optional[str], database: Database |
| ) -> List[SQLValidationAnnotation]: |
| annotations: List[SQLValidationAnnotation] = [] |
| valid, error = check_string(sql, add_semicolon=True) |
| if valid: |
| return annotations |
| |
| match = re.match(r"^line (\d+): (.*)", error) |
| line_number = int(match.group(1)) if match else None |
| message = match.group(2) if match else error |
| |
| annotations.append( |
| SQLValidationAnnotation( |
| message=message, |
| line_number=line_number, |
| start_column=None, |
| end_column=None, |
| ) |
| ) |
| |
| return annotations |