62 lines
1.3 KiB
JavaScript
62 lines
1.3 KiB
JavaScript
'use strict';
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const Adapter = require('../../Adapter');
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const Result = require('../../Result');
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const fb = require('node-firebird');
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class Firebird extends Adapter {
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constructor (config) {
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super({});
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this.instance = new Promise((resolve, reject) => {
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fb.attach(config, (err, instance) => {
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if (err) {
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return reject(err);
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}
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return resolve(instance);
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});
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});
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}
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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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* @return {Promise} - Returns a promise if no callback is provided
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*/
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execute (sql, params) {
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return this.instance.then(conn => {
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return new Promise((resolve, reject) => {
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conn.query(sql, 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(this.transformResult(result));
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});
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});
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});
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}
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/**
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* Transform the adapter's result into a standard format
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*
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* @param {*} originalResult - the original result object from the driver
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* @return {Result} - the new result object
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*/
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transformResult (originalResult) {
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return new Result(originalResult);
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}
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/**
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* Close the current database connection
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* @return {void}
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*/
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close () {
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this.instance.then(conn => conn.detach());
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}
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}
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module.exports = Firebird;
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