39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
'use strict';
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let Adapter = require('../Adapter'),
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getArgs = require('getargs');
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module.exports = class pg extends Adapter {
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/**
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* Run the sql query as a prepared statement
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*
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* @param {String} sql - The sql with placeholders
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* @param {Array} params - The values to insert into the query
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* @param {Function} [callback] - Callback to run when a response is recieved
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* @return {void|Promise} - Returns a promise if no callback is provided
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*/
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execute(/*sql, params, callback*/) {
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let args = getArgs('sql:string, [params]:array, [callback]:function', arguments);
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// Replace question marks with numbered placeholders, because this adapter is different...
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let count = 0;
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args.sql = args.sql.replace(/\?/g, () => {
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count++;
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return `$${count}`;
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});
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if (! args.callback) {
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return new Promise((resolve, reject) => {
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this.instance.query(args.sql, args.params, (err, result) => {
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if (err) {
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return reject(err);
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}
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return resolve(result);
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});
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});
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}
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return this.instance.query(args.sql, args.params, args.callback);
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}
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}; |