Query

Simplified query functionality, accepts SQL script and query parameters and returns the result-set as a JSON object.

Overview

• Module: db/v4/query
• Alias: db/query
• Definition: https://github.com/eclipse/dirigible/issues/48
• Source: /db/v4/query.js
• Facade: DatabaseFacade
• Status: stable

Basic Usage

var query = require("db/v4/query");
var response = require("http/v4/response");

var sql = "SELECT * FROM DIRIGIBLE_EXTENSIONS WHERE EXTENSION_EXTENSIONPOINT_NAME = ?";
var resultset = query.execute(sql, ["ide-editor"], "local", "SystemDB");

response.println(JSON.stringify(resultset));

response.flush();
response.close();

Functions

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Function	Description	Returns
execute(sql, parameters?, databaseType?, datasourceName?)	Executes a SQL query against the selected databaseType and datasourceName with the provided parameters	result-set as JSON object

parameters array supports primitives e.g. [1, 'John', 34.56] or objects in format {'type':'[DATA_TYPE]', 'value':[VALUE]} e.g. [1, {'type':'CHAR', 'value':'ISBN19202323322'}]