2022-04-19 08:06:36 +08:00
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/* Copyright (c) 2015, 2022, Oracle and/or its affiliates. */
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2015-11-15 05:46:31 +08:00
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/******************************************************************************
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*
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2023-02-21 09:43:43 +08:00
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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 https://www.apache.org/licenses/LICENSE-2.0. You may choose
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* either license.
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2015-11-15 05:46:31 +08:00
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*
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2023-02-21 09:43:43 +08:00
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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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2015-11-15 05:46:31 +08:00
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* You may obtain a copy of the License at
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*
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2023-02-21 09:43:43 +08:00
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* https://www.apache.org/licenses/LICENSE-2.0
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2015-11-15 05:46:31 +08:00
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*
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2023-02-21 09:43:43 +08:00
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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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2015-11-15 05:46:31 +08:00
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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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2016-03-24 14:09:53 +08:00
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*
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2015-11-15 05:46:31 +08:00
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* NAME
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* 60. clobPlsqlString.js
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*
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* DESCRIPTION
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*
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* PL/SQL OUT CLOB parameters can also be bound as `STRING`
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* The returned length is limited to the maximum size of maxSize option.
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*
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* When the types of bind out variables are not STRING or BUFFER,
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* maxSize option will not take effect.
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*
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2015-11-15 05:46:31 +08:00
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*****************************************************************************/
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'use strict';
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2015-11-15 05:46:31 +08:00
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var oracledb = require('oracledb');
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var async = require('async');
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var should = require('should');
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var stream = require('stream');
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2016-02-29 10:19:26 +08:00
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var dbConfig = require('./dbconfig.js');
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var assist = require('./dataTypeAssist.js');
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describe('60. clobPlsqlString.js', function() {
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var connection = null;
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var tableName = "nodb_myclobs";
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before('get one connection, prepare table', function(done) {
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async.series([
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function(callback) {
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oracledb.getConnection(
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dbConfig,
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function(err, conn) {
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should.not.exist(err);
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connection = conn;
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callback();
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}
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);
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},
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function(callback) {
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assist.createTable(connection, tableName, callback);
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}
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], done);
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}); // before
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after('release connection', function(done) {
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async.series([
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function(callback) {
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connection.execute(
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"DROP TABLE nodb_myclobs purge",
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function(err) {
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should.not.exist(err);
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callback();
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}
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);
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},
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function(callback) {
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connection.release(function(err) {
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should.not.exist(err);
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callback();
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});
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}
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], done);
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}); // after
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2016-01-25 19:04:10 +08:00
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describe('60.1 BIND OUT as STRING', function() {
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before('insert data', function(done) {
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connection.execute(
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"INSERT INTO nodb_myclobs (num, content) VALUES (1, 'abcdefghijklmnopqrstuvwxyz')",
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function(err) {
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should.not.exist(err);
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done();
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}
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);
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}); // before
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it('60.1.1 PL/SQL OUT CLOB parameters can also be bound as STRING', function(done) {
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connection.execute(
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"BEGIN SELECT content INTO :cbv FROM nodb_myclobs WHERE num = :id; END;",
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{
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id: 1,
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cbv: { type: oracledb.STRING, dir: oracledb.BIND_OUT}
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},
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function(err, result) {
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should.not.exist(err);
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(result.outBinds.cbv).should.be.a.String();
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(result.outBinds.cbv).should.eql('abcdefghijklmnopqrstuvwxyz');
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done();
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}
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);
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}); // 60.1.1
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it('60.1.2 The returned length is limited to the maximum size', function(done) {
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connection.execute(
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"BEGIN SELECT content INTO :cbv FROM nodb_myclobs WHERE num = :id; END;",
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{
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id: 1,
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cbv: { type: oracledb.STRING, dir: oracledb.BIND_OUT, maxSize: 5 }
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},
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function(err, result) {
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should.exist(err);
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(err.message).should.startWith('ORA-06502'); // PL/SQL: numeric or value error
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should.not.exist(result);
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done();
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}
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);
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}); // 60.1.2
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}); // 60.1
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describe('60.2 BIND OUT as CLOB', function() {
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var dataLength = 1000000;
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var rawData = assist.createCharString(dataLength);
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it('60.2.1 maxSize option does not take effect when bind out type is clob', function(done) {
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async.series([
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function doInsert(callback) {
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connection.execute(
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"INSERT INTO " + tableName + " VALUES (2, EMPTY_CLOB()) RETURNING content INTO :lobbv",
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{ lobbv: {type: oracledb.CLOB, dir: oracledb.BIND_OUT} },
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{ autoCommit: false },
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function(err, result) {
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should.not.exist(err);
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var lob = result.outBinds.lobbv[0];
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lob.on('error', function(err) {
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should.not.exist(err);
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return callback(err);
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});
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var inStream = new stream.Readable();
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inStream._read = function noop() {};
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inStream.push(rawData);
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inStream.push(null);
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inStream.on('error', function(err) {
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should.not.exist(err);
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return callback(err);
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});
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inStream.on('end', function() {
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connection.commit(function(err) {
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should.not.exist(err);
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callback();
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});
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});
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inStream.pipe(lob);
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}
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);
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},
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function doQuery(callback) {
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connection.execute(
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"BEGIN SELECT content INTO :bv FROM " + tableName + " WHERE num = 2; END;",
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{ bv: {dir: oracledb.BIND_OUT, type: oracledb.CLOB} },
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{ maxRows: 500 },
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function(err, result) {
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should.not.exist(err);
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var content = '';
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var lob = result.outBinds.bv;
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lob.setEncoding('utf8');
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lob.on('data', function(chunk) {
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content += chunk;
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});
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lob.on('end', function() {
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(content.length).should.be.exactly(dataLength);
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(content).should.eql(rawData);
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callback();
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});
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lob.on('error', function(err) {
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should.not.exist(err);
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});
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}
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);
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}
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], done);
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});
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}); // 60.2
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});
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