75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
/* Copyright (c) 2018, 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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* em_rowcounts.js
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*
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* DESCRIPTION
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* executeMany() example showing dmlRowCounts.
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* For this example, there no commit so it is re-runnable.
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* This example also uses Async/Await of Node 8.
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* Use demo.sql to create the required schema.
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*
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*****************************************************************************/
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var async = require('async');
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var oracledb = require('oracledb');
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var dbConfig = require('./dbconfig.js');
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var doconnect = function(cb) {
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oracledb.getConnection(dbConfig, cb);
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};
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var dorelease = function(conn) {
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conn.close(function (err) {
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if (err)
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console.error(err.message);
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});
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};
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var dodelete = function(conn, cb) {
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var sql = "DELETE FROM em_childtab WHERE parentid = :1";
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var binds = [
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[20],
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[30],
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[50]
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];
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var options = { dmlRowCounts: true };
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conn.executeMany(sql, binds, options, function (err, result) {
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if (err)
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return cb(err, conn);
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else {
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console.log("Result is:", result);
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return cb(null, conn);
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}
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});
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};
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async.waterfall(
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[
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doconnect,
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dodelete
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],
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function (err, conn) {
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if (err) { console.error("In waterfall error cb: ==>", err, "<=="); }
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if (conn)
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dorelease(conn);
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});
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