superset postgres 源码
superset postgres 代码
文件路径：/superset/sql_validators/postgres.py
# 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
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