125 lines
3.7 KiB
JavaScript
125 lines
3.7 KiB
JavaScript
/* Copyright (c) 2015, 2022, 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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* This example requires node-oracledb 4.2 or later.
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* This example uses Node 8's async/await syntax.
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*
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*****************************************************************************/
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const fs = require('fs');
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const oracledb = require('oracledb');
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const dbConfig = require('./dbconfig.js');
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// On Windows and macOS, you can specify the directory containing the Oracle
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// Client Libraries at runtime, or before Node.js starts. On other platforms
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// the system library search path must always be set before Node.js is started.
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// See the node-oracledb installation documentation.
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// If the search path is not correct, you will get a DPI-1047 error.
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let libPath;
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if (process.platform === 'win32') { // Windows
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libPath = 'C:\\oracle\\instantclient_19_12';
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} else if (process.platform === 'darwin') { // macOS
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libPath = process.env.HOME + '/Downloads/instantclient_19_8';
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}
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if (libPath && fs.existsSync(libPath)) {
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oracledb.initOracleClient({ libDir: libPath });
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}
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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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