superset processFilters 源码
superset processFilters 代码
文件路径：/superset-frontend/packages/superset-ui-core/src/query/processFilters.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.
*/
/* eslint-disable camelcase */
import { QueryFormData } from './types/QueryFormData';
import { QueryObjectFilterClause } from './types/Query';
import { isSimpleAdhocFilter } from './types/Filter';
import convertFilter from './convertFilter';
function sanitizeClause(clause: string): string {
let sanitizedClause = clause;
if (clause.includes('--')) {
sanitizedClause = `${clause}\n`;
}
return `(${sanitizedClause})`;
}
/** Logic formerly in viz.py's process_query_filters */
export default function processFilters(
formData: Partial<QueryFormData>,
): Partial<QueryFormData> {
// Split adhoc_filters into four fields according to
// (1) clause (WHERE or HAVING)
// (2) expressionType
// 2.1 SIMPLE (subject + operator + comparator)
// 2.2 SQL (freeform SQL expression))
const { adhoc_filters, extras = {}, filters = [], where } = formData;
const simpleWhere: QueryObjectFilterClause[] = filters;
const freeformWhere: string[] = [];
if (where) freeformWhere.push(where);
const freeformHaving: string[] = [];
(adhoc_filters || []).forEach(filter => {
const { clause } = filter;
if (isSimpleAdhocFilter(filter)) {
const filterClause = convertFilter(filter);
if (clause === 'WHERE') {
simpleWhere.push(filterClause);
}
} else {
const { sqlExpression } = filter;
if (clause === 'WHERE') {
freeformWhere.push(sqlExpression);
} else {
freeformHaving.push(sqlExpression);
}
}
});
// some filter-related fields need to go in `extras`
extras.having = freeformHaving.map(sanitizeClause).join(' AND ');
extras.where = freeformWhere.map(sanitizeClause).join(' AND ');
return {
filters: simpleWhere,
extras,
};
}
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