node-oracledb/examples/promises.js

60 lines
1.7 KiB
JavaScript

/* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. */
/******************************************************************************
*
* You may not use the identified files except in compliance with the Apache
* License, Version 2.0 (the "License.")
*
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*
* NAME
* promises.js
*
* DESCRIPTION
* Executes a basic query using promises instead of the callback pattern.
*
* Scripts to create the HR schema can be found at:
* https://github.com/oracle/db-sample-schemas
*
*****************************************************************************/
var oracledb = require('oracledb');
var dbConfig = require('./dbconfig.js');
oracledb.getConnection(
{
user : dbConfig.user,
password : dbConfig.password,
connectString : dbConfig.connectString
})
.then(function(connection) {
return connection.execute(
"SELECT department_id, department_name " +
"FROM departments " +
"WHERE department_id = :did",
[180]
)
.then(function(result) {
console.log(result.metaData);
console.log(result.rows);
return connection.close();
})
.catch(function(err) {
console.log(err.message);
return connection.close();
});
})
.catch(function(err) {
console.error(err.message);
});