133 lines
4.1 KiB
JavaScript
133 lines
4.1 KiB
JavaScript
/* Copyright (c) 2015, 2023, 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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* insert1.js
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*
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* DESCRIPTION
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* Creates a table and inserts data. Shows DDL and DML
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*
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* To insert many records at a time see em_insert1.js
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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 runs in both node-oracledb Thin and Thick modes.
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//
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// Optionally run in node-oracledb Thick mode
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if (process.env.NODE_ORACLEDB_DRIVER_MODE === 'thick') {
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// Thick mode requires Oracle Client or Oracle Instant Client libraries.
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// On 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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}
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console.log(oracledb.thin ? 'Running in thin mode' : 'Running in thick mode');
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async function run() {
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let connection;
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try {
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connection = await oracledb.getConnection(dbConfig);
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//
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// Create a table
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//
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const stmts = [
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`DROP TABLE no_tab1`,
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`CREATE TABLE no_tab1 (id NUMBER, name VARCHAR2(20))`
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];
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for (const s of stmts) {
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try {
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await connection.execute(s);
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} catch (e) {
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if (e.errorNum != 942)
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console.error(e);
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}
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}
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//
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// Show several examples of inserting
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//
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// 'bind by name' syntax
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let result = await connection.execute(
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`INSERT INTO no_tab1 VALUES (:id, :nm)`,
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{ id: {val: 1 }, nm: {val: 'Chris'} }
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);
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console.log("Rows inserted: " + result.rowsAffected); // 1
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console.log("ROWID of new row: " + result.lastRowid);
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// 'bind by position' syntax
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result = await connection.execute(
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`INSERT INTO no_tab1 VALUES (:id, :nm)`,
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[2, 'Alison']
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);
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console.log("Rows inserted: " + result.rowsAffected); // 1
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console.log("ROWID of new row: " + result.lastRowid);
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result = await connection.execute(
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`UPDATE no_tab1 SET name = :nm`,
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['Bambi'],
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{ autoCommit: true } // commit once for all DML in the script
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);
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console.log("Rows updated: " + result.rowsAffected); // 2
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console.log("ROWID of final row updated: " + result.lastRowid); // only gives one
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} catch (err) {
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console.error(err);
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} finally {
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if (connection) {
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try {
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await connection.close();
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} catch (err) {
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console.error(err);
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}
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}
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}
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}
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run();
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