superset Operator 源码
superset Operator 代码
文件路径：/superset-frontend/packages/superset-ui-core/src/query/types/Operator.ts
/*
* 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.
*/
/** List of operators that do not require another operand */
const UNARY_OPERATORS = ['IS NOT NULL', 'IS NULL'] as const;
/** List of operators that require another operand that is a single value */
const BINARY_OPERATORS = [
'==',
'!=',
'>',
'<',
'>=',
'<=',
'ILIKE',
'LIKE',
'REGEX',
] as const;
/** List of operators that require another operand that is a set */
const SET_OPERATORS = ['IN', 'NOT IN'] as const;
//---------------------------------------------------
// Derived types
//---------------------------------------------------
/** An operator that does not require another operand */
export type UnaryOperator = typeof UNARY_OPERATORS[number];
/** An operator that requires another operand that is a single value */
export type BinaryOperator = typeof BINARY_OPERATORS[number];
/** An operator that require another operand that is a set */
export type SetOperator = typeof SET_OPERATORS[number];
//---------------------------------------------------
// Type guards
//---------------------------------------------------
const unaryOperatorSet = new Set<string>(UNARY_OPERATORS);
export function isUnaryOperator(operator: string): operator is UnaryOperator {
return unaryOperatorSet.has(operator);
}
const binaryOperatorSet = new Set<string>(BINARY_OPERATORS);
export function isBinaryOperator(operator: string): operator is BinaryOperator {
return binaryOperatorSet.has(operator);
}
const setOperatorSet = new Set<string>(SET_OPERATORS);
export function isSetOperator(operator: string): operator is SetOperator {
return setOperatorSet.has(operator);
}
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