node-oracledb/examples/version.js

104 lines
4.0 KiB
JavaScript

/* Copyright (c) 2015, 2023, Oracle and/or its affiliates. */
/******************************************************************************
*
* This software is dual-licensed to you under the Universal Permissive License
* (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
* 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
* either license.
*
* If you elect to accept the software under the Apache License, Version 2.0,
* the following applies:
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://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
* version.js
*
* DESCRIPTION
* Shows the node-oracledb version attributes
*
*****************************************************************************/
'use strict';
Error.stackTraceLimit = 50;
const oracledb = require('oracledb');
const dbConfig = require('./dbconfig.js');
// This example runs in both node-oracledb Thin and Thick modes.
//
// Optionally run in node-oracledb Thick mode
if (process.env.NODE_ORACLEDB_DRIVER_MODE === 'thick') {
// Thick mode requires Oracle Client or Oracle Instant Client libraries.
// On Windows and macOS Intel you can specify the directory containing the
// libraries at runtime or before Node.js starts. On other platforms (where
// Oracle libraries are available) the system library search path must always
// include the Oracle library path before Node.js starts. If the search path
// is not correct, you will get a DPI-1047 error. See the node-oracledb
// installation documentation.
let clientOpts = {};
// On Windows and macOS Intel platforms, set the environment
// variable NODE_ORACLEDB_CLIENT_LIB_DIR to the Oracle Client library path
if (process.platform === 'win32' || (process.platform === 'darwin' && process.arch === 'x64')) {
clientOpts = { libDir: process.env.NODE_ORACLEDB_CLIENT_LIB_DIR };
}
oracledb.initOracleClient(clientOpts); // enable node-oracledb Thick mode
}
// Get the database version and check the driver mode
async function run() {
let connection;
try {
connection = await oracledb.getConnection(dbConfig);
console.log("Oracle Database version :", connection.oracleServerVersionString);
// console.log("Oracle Database version :", connection.oracleServerVersion); // numeric version format
const result = await connection.execute(
`SELECT UNIQUE CLIENT_DRIVER
FROM V$SESSION_CONNECT_INFO
WHERE SID = SYS_CONTEXT('USERENV', 'SID')`);
console.log("CLIENT_DRIVER :", result.rows[0][0].replace(': ', ''));
} catch (err) {
console.error(err);
} finally {
if (connection) {
try {
await connection.close();
} catch (err) {
console.error(err);
}
}
}
}
console.log("Run at : " + new Date());
console.log("Node.js version : " + process.version + " (" + process.platform, process.arch + ")");
console.log("Node-oracledb version :", oracledb.versionString); // version (including the suffix)
// console.log("Node-oracledb version :", oracledb.version); // numeric version format is useful for comparisons
// console.log("Node-oracledb version suffix :", oracledb.versionSuffix); // e.g. "-beta.1", or empty for production releases
if (process.env.NODE_ORACLEDB_DRIVER_MODE === 'thick') {
console.log("Oracle Client library version :", oracledb.oracleClientVersionString);
// console.log("Oracle Client library version :", oracledb.oracleClientVersion); // numeric version format
}
run();