152 lines
3.7 KiB
JavaScript
152 lines
3.7 KiB
JavaScript
/* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. */
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/******************************************************************************
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*
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* You may not use the identified files except in compliance with the Apache
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* License, Version 2.0 (the "License.")
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*
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* You may obtain a copy of the License at
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* http://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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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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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* plsqlrecord.js
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*
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* DESCRIPTION
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* Shows binding of PL/SQL RECORDS
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*
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* This example requires node-oracledb 4 or later.
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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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'use strict';
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const oracledb = require('oracledb');
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const dbConfig = require('./dbconfig.js');
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async function run() {
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let connection, binds, options, result, obj;
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// The PL/SQL that is called in each example
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const plsql = `CALL rectest.myproc(:inbv, :outbv)`;
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try {
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connection = await oracledb.getConnection(dbConfig);
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//
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// Create a PL/SQL package that uses a RECORD
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//
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const stmts = [
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`CREATE OR REPLACE PACKAGE rectest AS
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TYPE rectype IS RECORD (name VARCHAR2(40), pos NUMBER);
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PROCEDURE myproc (p_in IN rectype, p_out OUT rectype);
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END rectest;`,
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`CREATE OR REPLACE PACKAGE BODY rectest AS
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PROCEDURE myproc (p_in IN rectype, p_out OUT rectype) AS
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BEGIN
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p_out := p_in;
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p_out.pos := p_out.pos * 2;
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END;
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END rectest;`
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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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console.error(e);
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}
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}
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//
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// Get the RECORD prototype object
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//
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const RecTypeClass = await connection.getDbObjectClass("RECTEST.RECTYPE");
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// console.log(RecTypeClass.prototype);
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//
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// Single execution
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//
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console.log('Using the constructor to create an object:');
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obj = new RecTypeClass({ NAME: 'Ship', POS: 12 });
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binds = {
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inbv: obj,
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outbv: { type: RecTypeClass, dir: oracledb.BIND_OUT }
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};
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result = await connection.execute(plsql, binds);
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console.log(result.outBinds.outbv);
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console.log('\nBinding the record values directly:');
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binds = {
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inbv: { type: RecTypeClass, val: { NAME: 'Plane', POS: 34 } },
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outbv: { type: RecTypeClass, dir: oracledb.BIND_OUT }
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};
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result = await connection.execute(plsql, binds);
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console.log(result.outBinds.outbv);
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// Using the name for the type
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binds = {
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inbv: { type: "RECTEST.RECTYPE", val: { NAME: 'Car', POS: 56 } },
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outbv: { type: RecTypeClass, dir: oracledb.BIND_OUT }
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};
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result = await connection.execute(plsql, binds);
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console.log(result.outBinds.outbv);
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//
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// executeMany()
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//
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console.log('\nExample with executeMany():');
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binds = [
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{ inbv: { NAME: 'Train', POS: 78 } },
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{ inbv: { NAME: 'Bike', POS: 83 } }
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];
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options = {
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bindDefs: {
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inbv: { type: RecTypeClass },
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outbv: { type: RecTypeClass, dir: oracledb.BIND_OUT },
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}
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};
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result = await connection.executeMany(plsql, binds, options);
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for (const b of result.outBinds) {
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console.log(b.outbv);
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}
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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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