superset base 源码
superset base 代码
文件路径：/superset/sql_validators/base.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.
from typing import Any, Dict, List, Optional
from superset.models.core import Database
class SQLValidationAnnotation: # pylint: disable=too-few-public-methods
"""Represents a single annotation (error/warning) in an SQL querytext"""
def __init__(
self,
message: str,
line_number: Optional[int],
start_column: Optional[int],
end_column: Optional[int],
):
self.message = message
self.line_number = line_number
self.start_column = start_column
self.end_column = end_column
def to_dict(self) -> Dict[str, Any]:
"""Return a dictionary representation of this annotation"""
return {
"line_number": self.line_number,
"start_column": self.start_column,
"end_column": self.end_column,
"message": self.message,
}
class BaseSQLValidator: # pylint: disable=too-few-public-methods
"""BaseSQLValidator defines the interface for checking that a given sql
query is valid for a given database engine."""
name = "BaseSQLValidator"
@classmethod
def validate(
cls, sql: str, schema: Optional[str], database: Database
) -> List[SQLValidationAnnotation]:
"""Check that the given SQL querystring is valid for the given engine"""
raise NotImplementedError
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