96 lines
3.0 KiB
JavaScript
96 lines
3.0 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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* fetchinfo.js
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*
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* DESCRIPTION
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* Show how numbers and dates can be returned as strings using fetchAsString
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* and fetchInfo
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*
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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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const demoSetup = require('./demosetup.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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oracledb.fetchAsString = [ oracledb.NUMBER ]; // any number queried will be returned as a string
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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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await demoSetup.setupBf(connection); // create the demo table
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const result = await connection.execute(
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`SELECT id, farmer, picked, weight
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FROM no_banana_farmer
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WHERE id = :id`,
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[2],
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{
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fetchInfo :
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{
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"PICKED": { type : oracledb.STRING }, // return the date as a string
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"WEIGHT": { type : oracledb.DEFAULT } // override oracledb.fetchAsString
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}
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});
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console.log(result.rows);
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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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