superset rollingWindowOperator 源码
superset rollingWindowOperator 代码
文件路径：/superset-frontend/packages/superset-ui-chart-controls/src/operators/rollingWindowOperator.ts
/* eslint-disable camelcase */
/**
* 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 limitationsxw
* under the License.
*/
import {
ensureIsArray,
ensureIsInt,
PostProcessingCum,
PostProcessingRolling,
RollingType,
} from '@superset-ui/core';
import { getMetricOffsetsMap, isTimeComparison } from './utils';
import { PostProcessingFactory } from './types';
export const rollingWindowOperator: PostProcessingFactory<
PostProcessingRolling | PostProcessingCum
> = (formData, queryObject) => {
let columns: (string | undefined)[];
if (isTimeComparison(formData, queryObject)) {
const metricsMap = getMetricOffsetsMap(formData, queryObject);
columns = [
...Array.from(metricsMap.values()),
...Array.from(metricsMap.keys()),
];
} else {
columns = ensureIsArray(queryObject.metrics).map(metric => {
if (typeof metric === 'string') {
return metric;
}
return metric.label;
});
}
const columnsMap = Object.fromEntries(columns.map(col => [col, col]));
if (formData.rolling_type === RollingType.Cumsum) {
return {
operation: 'cum',
options: {
operator: 'sum',
columns: columnsMap,
},
};
}
if (
[RollingType.Sum, RollingType.Mean, RollingType.Std].includes(
formData.rolling_type,
)
) {
return {
operation: 'rolling',
options: {
rolling_type: formData.rolling_type,
window: ensureIsInt(formData.rolling_periods, 1),
min_periods: ensureIsInt(formData.min_periods, 0),
columns: columnsMap,
},
};
}
return undefined;
};
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