@qrvey/formula-lang/dist/module/functions/max.js

QFormula support for qrvey projects

import { DATE_AND_NUMBERS_DATA_TYPES } from '../constants';
import { getValidDataTypeParam } from '../utils/getValidDataTypeParam';
import { isSameAndValidRecursiveDataType } from '../utils/isSameAndValidRecursiveDataType';
/**
 * `MAX` Return the max value given.
 */
export const MAX = {
    identifier: 'MAX',
    recursiveStartIn: 1,
    parameters: [
        {
            identifier: 'VALUE_1',
            optional: false,
            validator: [
                isSameAndValidRecursiveDataType(DATE_AND_NUMBERS_DATA_TYPES),
            ],
        },
        {
            identifier: 'VALUE_N',
            optional: false,
            validator: [
                isSameAndValidRecursiveDataType(DATE_AND_NUMBERS_DATA_TYPES),
            ],
        },
    ],
    transpiler: {
        elasticsearch,
        snowflake,
        redshift,
        postgresql,
    },
    primitiveResult(args) {
        return getValidDataTypeParam(args, DATE_AND_NUMBERS_DATA_TYPES);
    },
};
function elasticsearch(...args) {
    return `GREATEST([${args.join(' , ')}])`;
}
function sql(...args) {
    return `GREATEST(${args.join(', ')})`;
}
function snowflake(...args) {
    return sql(...args);
}
function nullWrapper(args, _else) {
    return `(CASE
        WHEN  ${args.map((_arg) => `${_arg} IS NULL`).join(' OR ')} THEN NULL
        ELSE ${_else}
    END)`;
}
function redshift(...args) {
    return nullWrapper(args, sql(...args));
}
function postgresql(...args) {
    return nullWrapper(args, sql(...args));
}
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