31 lines
862 B
JavaScript
31 lines
862 B
JavaScript
'use strict';
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const PSQL = require('cartodb-psql');
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const queryTables = require('cartodb-query-tables');
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module.exports = function affectedTables () {
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return function affectedTablesMiddleware (req, res, next) {
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const { sql } = res.locals.params;
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const { authDbParams } = res.locals;
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const pg = new PSQL(authDbParams);
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queryTables.getAffectedTablesFromQuery(pg, sql, (err, affectedTables) => {
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if (err) {
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const message = (err && err.message) || 'unknown error';
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console.error('Error on query explain \'%s\': %s', sql, message);
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return next();
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}
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res.locals.affectedTables = affectedTables;
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if (req.profiler) {
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req.profiler.done('queryExplain');
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}
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return next();
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});
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};
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};
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