Windshaft-cartodb/lib/backends/pg-query-runner.js
2019-10-07 09:45:46 +02:00

39 lines
1.0 KiB
JavaScript

'use strict';
var PSQL = require('cartodb-psql');
function PgQueryRunner(pgConnection) {
this.pgConnection = pgConnection;
}
module.exports = PgQueryRunner;
/**
* Runs `query` with `username`'s PostgreSQL role, callback receives error and rows array.
*
* @param {String} username
* @param {String} query
* @param {Function} callback function({Error}, {Array}) second argument is guaranteed to be an array
*/
PgQueryRunner.prototype.run = function(username, query, callback) {
this.pgConnection.getDatabaseParams(username, (err, databaseParams) => {
if (err) {
return callback(err);
}
const psql = new PSQL({
user: databaseParams.dbuser,
pass: databaseParams.dbpass,
host: databaseParams.dbhost,
port: databaseParams.dbport,
dbname: databaseParams.dbname
});
psql.query(query, function (err, resultSet) {
resultSet = resultSet || {};
return callback(err, resultSet.rows || []);
});
});
};