112 lines
3.9 KiB
JavaScript
112 lines
3.9 KiB
JavaScript
/* Copyright (c) 2024, Oracle and/or its affiliates. */
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/******************************************************************************
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*
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* This software is dual-licensed to you under the Universal Permissive License
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* (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
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* 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
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* either license.
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*
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* If you elect to accept the software under the Apache License, Version 2.0,
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* the following applies:
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* NAME
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* soda2.js
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*
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* DESCRIPTION
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* Simple Oracle Document Access (SODA) example with SodaDocumentCursor
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* asyncIterators.
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*
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* Requires Oracle Database and Oracle Client 18.3, or higher.
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* The user must have been granted the SODA_APP and CREATE TABLE privileges.
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* https://node-oracledb.readthedocs.io/en/latest/user_guide/soda.html#sodaoverview
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*
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*****************************************************************************/
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'use strict';
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Error.stackTraceLimit = 50;
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const oracledb = require('oracledb');
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const dbConfig = require('./dbconfig.js');
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// This example requires node-oracledb Thick mode.
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//
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// Thick mode requires Oracle Client or Oracle Instant Client libraries. On
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// Windows and macOS Intel you can specify the directory containing the
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// libraries at runtime or before Node.js starts. On other platforms (where
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// Oracle libraries are available) the system library search path must always
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// include the Oracle library path before Node.js starts. If the search path
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// is not correct, you will get a DPI-1047 error. See the node-oracledb
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// installation documentation.
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let clientOpts = {};
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// On Windows and macOS Intel platforms, set the environment
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// variable NODE_ORACLEDB_CLIENT_LIB_DIR to the Oracle Client library path
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if (process.platform === 'win32' || (process.platform === 'darwin' && process.arch === 'x64')) {
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clientOpts = { libDir: process.env.NODE_ORACLEDB_CLIENT_LIB_DIR };
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}
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oracledb.initOracleClient(clientOpts); // enable node-oracledb Thick mode
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// The general recommendation for simple SODA usage is to enable autocommit
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oracledb.autoCommit = true;
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async function run() {
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let connection, collection;
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try {
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connection = await oracledb.getConnection(dbConfig);
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if (oracledb.oracleClientVersion < 1803000000) {
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throw new Error('node-oracledb SODA requires Oracle Client libraries 18.3 or greater');
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}
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if (connection.oracleServerVersion < 1803000000) {
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throw new Error('node-oracledb SODA requires Oracle Database 18.3 or greater');
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}
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const soda = connection.getSodaDatabase();
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collection = await soda.createCollection("Test");
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console.log('Created a SODA collection\n');
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const data = [
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{ name: "John", age: 57 },
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{ name: "Sally", age: 53 }
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];
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await collection.insertMany(data);
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const cursor = await collection.find().getCursor();
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console.log('Retrieved SODA document contents as an object using SodaDocumentCursor:');
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// Use the asyncIterator for the sodaDocumentCursor object
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for await (const doc of cursor) {
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console.log(doc.getContent());
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}
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await cursor.close();
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} catch (err) {
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console.error(err);
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} finally {
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if (collection) {
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// Drop the collection
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const res = await collection.drop();
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if (res.dropped) {
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console.log('\nThe collection was dropped');
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}
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}
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if (connection) {
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await connection.close();
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}
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}
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}
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run();
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