/
fetchBlobAsBuffer2.js
2187 lines (2003 loc) · 73.9 KB
/
fetchBlobAsBuffer2.js
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/* Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. */
/******************************************************************************
*
* You may not use the identified files except in compliance with the Apache
* License, Version 2.0 (the "License.")
*
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*
* The node-oracledb test suite uses 'mocha', 'should' and 'async'.
* See LICENSE.md for relevant licenses.
*
* NAME
* 88. fetchBlobAsBuffer2.js
*
* DESCRIPTION
* Testing Oracle data type support - BLOB.
* To fetch BLOB columns as buffer by setting fetchInfo option.
*
*****************************************************************************/
'use strict';
var oracledb = require('oracledb');
var async = require('async');
var should = require('should');
var file = require('./file.js');
var dbConfig = require('./dbconfig.js');
var random = require('./random.js');
var assist = require('./dataTypeAssist.js');
describe('88. fetchBlobAsBuffer2.js', function() {
var connection = null;
var insertID = 1; // assume id for insert into db starts from 1
var inFileName = './test/blobTmpFile.txt';
var proc_create_table1 = "BEGIN \n" +
" DECLARE \n" +
" e_table_missing EXCEPTION; \n" +
" PRAGMA EXCEPTION_INIT(e_table_missing, -00942);\n" +
" BEGIN \n" +
" EXECUTE IMMEDIATE ('DROP TABLE nodb_blob1 PURGE' ); \n" +
" EXCEPTION \n" +
" WHEN e_table_missing \n" +
" THEN NULL; \n" +
" END; \n" +
" EXECUTE IMMEDIATE ( ' \n" +
" CREATE TABLE nodb_blob1 ( \n" +
" ID NUMBER, \n" +
" B BLOB \n" +
" ) \n" +
" '); \n" +
"END; ";
var drop_table1 = "DROP TABLE nodb_blob1 PURGE";
var defaultStmtCache = oracledb.stmtCacheSize;
before('get one connection', function(done) {
async.series([
function(cb) {
oracledb.stmtCacheSize = 0;
oracledb.getConnection(dbConfig, function(err, conn) {
should.not.exist(err);
connection = conn;
cb();
});
},
function(cb) {
file.create(inFileName);
cb();
}
], done);
}); // before
after('release connection', function(done) {
async.series([
function(cb) {
oracledb.stmtCacheSize = defaultStmtCache;
connection.release(function(err) {
should.not.exist(err);
cb();
});
},
function(cb) {
file.delete(inFileName);
cb();
}
], done);
}); // after
// Generic function to insert a single row given ID, and data
var insertIntoBlobTable1 = function(id, content, callback) {
if(content == "EMPTY_BLOB") {
connection.execute(
"INSERT INTO nodb_blob1 VALUES (:ID, EMPTY_BLOB())",
[ id ],
function(err, result) {
should.not.exist(err);
should.strictEqual(result.rowsAffected, 1);
callback();
}
);
} else {
connection.execute(
"INSERT INTO nodb_blob1 VALUES (:ID, :B)",
{
ID : { val : id },
B : { val : content, dir : oracledb.BIND_IN, type : oracledb.BUFFER }
},
function(err, result) {
should.not.exist(err);
should.strictEqual(result.rowsAffected, 1);
callback();
}
);
}
};
var updateBlobTable1 = function(id, content, callback) {
connection.execute(
"UPDATE nodb_blob1 set B = :B where ID = :ID",
{ ID: id, B: content },
function(err, result){
should.not.exist(err);
should.strictEqual(result.rowsAffected, 1);
callback();
}
);
};
// compare fetch result
var compareClientFetchResult = function(err, resultVal, specialStr, content, contentLength) {
should.not.exist(err);
compareBuffers(resultVal, specialStr, content, contentLength);
};
// compare two buffers
var compareBuffers = function(resultVal, specialStr, content, contentLength) {
should.equal(resultVal.length, contentLength);
var compareBuffer = assist.compare2Buffers(resultVal, content);
should.strictEqual(compareBuffer, true);
};
describe('88.1 fetch BLOB columns by setting fetchInfo option', function() {
before('Create table and populate', function(done) {
connection.execute(
proc_create_table1,
function(err) {
should.not.exist(err);
done();
}
);
}); // before
after('drop table', function(done) {
connection.execute(
drop_table1,
function(err) {
should.not.exist(err);
done();
}
);
}); // after
insertID = 0;
var insertAndFetch = function(id, specialStr, insertContent, insertContentLength, callback) {
async.series([
function(cb) {
insertIntoBlobTable1(id, insertContent, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B from nodb_blob1 WHERE ID = :id",
{ id : id },
{
fetchInfo : { B : { type : oracledb.BUFFER } }
},
function(err, result) {
var resultVal = result.rows[0][1];
if(specialStr === null) {
should.equal(resultVal, null);
} else {
compareClientFetchResult(err, resultVal, specialStr, insertContent, insertContentLength);
}
cb();
}
);
}
], callback);
};
it('88.1.1 works with NULL value', function(done) {
var id = insertID++;
var content = null;
insertAndFetch(id, null, content, null, done);
}); // 88.1.1
it('88.1.2 works with empty Buffer', function(done) {
var id = insertID++;
var content = Buffer.from("", "utf-8");
insertAndFetch(id, null, content, null, done);
}); // 88.1.2
it('88.1.3 works with small value', function(done) {
var id = insertID++;
var specialStr = '88.1.3';
var contentLength = 20;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
insertAndFetch(id, specialStr, content, contentLength, done);
}); // 88.1.3
it('88.1.4 works with (64K - 1) value', function(done) {
var id = insertID++;
var specialStr = '88.1.4';
var contentLength = 65535;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
insertAndFetch(id, specialStr, content, contentLength, done);
}); // 88.1.4
it('88.1.5 works with (64K + 1) value', function(done) {
var id = insertID++;
var specialStr = '88.1.5';
var contentLength = 65537;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
insertAndFetch(id, specialStr, content, contentLength, done);
}); // 88.1.5
it('88.1.6 works with (1MB + 1) value', function(done) {
var id = insertID++;
var specialStr = '88.1.6';
var contentLength = 1048577; // 1MB + 1
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
insertAndFetch(id, specialStr, content, contentLength, done);
}); // 88.1.6
it('88.1.7 works with dbms_lob.substr()', function(done) {
var id = insertID++;
var specialStr = '88.1.7';
var contentLength = 200;
var specialStrLength = specialStr.length;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
async.series([
function(cb) {
insertIntoBlobTable1(id, content, cb);
},
function(cb) {
connection.execute(
"SELECT dbms_lob.substr(B, " + specialStrLength + ", 1) AS B1 from nodb_blob1 WHERE ID = :id",
{ id : id },
{
fetchInfo : { B1 : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
// console.log(result);
var resultVal = result.rows[0][0];
var buffer2Compare = Buffer.from(specialStr, "utf-8");
compareClientFetchResult(err, resultVal, specialStr, buffer2Compare, specialStrLength);
cb();
}
);
}
], done);
}); // 88.1.7
it('88.1.8 works with EMPTY_BLOB()', function(done) {
var id = insertID++;
var content = "EMPTY_BLOB";
insertAndFetch(id, null, content, null, done);
}); // 88.1.8
it('88.1.9 fetch multiple BLOB rows as Buffer', function(done) {
var id_1 = insertID++;
var specialStr_1 = '88.1.9_1';
var contentLength_1 = 200;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var id_2 = insertID++;
var specialStr_2 = '88.1.9_2';
var contentLength_2 = 100;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
async.series([
function(cb) {
insertIntoBlobTable1(id_1, content_1, cb);
},
function(cb) {
insertIntoBlobTable1(id_2, content_2, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B from nodb_blob1 WHERE ID = " + id_1 + " or id = " + id_2,
{ },
{
fetchInfo : { B : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
var resultVal = result.rows[0][1];
compareClientFetchResult(err, resultVal, specialStr_1, content_1, contentLength_1);
resultVal = result.rows[1][1];
compareClientFetchResult(err, resultVal, specialStr_2, content_2, contentLength_2);
cb();
}
);
}
], done);
}); // 88.1.9
it('88.1.10 fetch the same BLOB column multiple times', function(done) {
var id = insertID++;
var specialStr = '88.1.10';
var contentLength = 200;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
async.series([
function(cb) {
insertIntoBlobTable1(id, content, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B AS B1, B AS B2 from nodb_blob1 WHERE ID = " + id,
{ },
{
fetchInfo : {
B1 : { type : oracledb.BUFFER },
B2 : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
var resultVal = result.rows[0][1];
compareClientFetchResult(err, resultVal, specialStr, content, contentLength);
resultVal = result.rows[0][2];
compareClientFetchResult(err, resultVal, specialStr, content, contentLength);
cb();
}
);
}
], done);
}); // 88.1.10
it('88.1.11 works with update statement', function(done) {
var id = insertID++;
var specialStr_1 = '88.1.11_1';
var contentLength_1 = 200;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var specialStr_2 = '88.1.11_2';
var contentLength_2 = 208;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
async.series([
function(cb) {
insertAndFetch(id, specialStr_1, content_1, contentLength_1, cb);
},
function(cb) {
updateBlobTable1(id, content_2, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B from nodb_blob1 WHERE ID = " + id,
{ },
{
fetchInfo : { B : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
var resultVal = result.rows[0][1];
compareClientFetchResult(err, resultVal, specialStr_2, content_2, contentLength_2);
cb();
}
);
}
], done);
}); // 88.1.8
it('88.1.12 works with setting oracledb.maxRows < actual number of rows in the table', function(done) {
var id_1 = insertID++;
var specialStr_1 = '88.1.12_1';
var contentLength_1 = 200;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var id_2 = insertID++;
var specialStr_2 = '88.1.12_2';
var contentLength_2 = 100;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
var maxRowsBak = oracledb.maxRows;
oracledb.maxRows = 1;
async.series([
function(cb) {
insertIntoBlobTable1(id_1, content_1, cb);
},
function(cb) {
insertIntoBlobTable1(id_2, content_2, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B from nodb_blob1 WHERE id = " + id_1 + " or id = " +id_2,
{ },
{
fetchInfo : { B : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
result.rows.length.should.eql(1);
var resultVal = result.rows[0][1];
compareClientFetchResult(err, resultVal, specialStr_1, content_1, contentLength_1);
oracledb.maxRows = maxRowsBak;
cb();
}
);
}
], done);
}); // 88.1.12
it('88.1.13 works with setting oracledb.maxRows > actual number of rows in the table', function(done) {
var id_1 = insertID++;
var specialStr_1 = '88.1.13_1';
var contentLength_1 = 200;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var id_2 = insertID++;
var specialStr_2 = '88.1.13_2';
var contentLength_2 = 100;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
var maxRowsBak = oracledb.maxRows;
oracledb.maxRows = 10;
async.series([
function(cb) {
insertIntoBlobTable1(id_1, content_1, cb);
},
function(cb) {
insertIntoBlobTable1(id_2, content_2, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B from nodb_blob1 WHERE id = " + id_1 + " or id = " +id_2,
{ },
{
fetchInfo : { B : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
result.rows.length.should.eql(2);
var resultVal = result.rows[0][1];
compareClientFetchResult(err, resultVal, specialStr_1, content_1, contentLength_1);
resultVal = result.rows[1][1];
compareClientFetchResult(err, resultVal, specialStr_2, content_2, contentLength_2);
oracledb.maxRows = maxRowsBak;
cb();
}
);
}
], done);
}); // 88.1.13
it('88.1.14 works with connection.queryStream()', function(done) {
var id = insertID++;
var specialStr = '88.1.14';
var contentLength = 200;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
async.series([
function(cb) {
insertIntoBlobTable1(id, content, cb);
},
function(cb) {
var sql = "SELECT ID, B from nodb_blob1 WHERE ID = " + id;
var stream = connection.queryStream(sql, {}, { fetchInfo : { B : { type : oracledb.BUFFER } } });
stream.on('error', function (error) {
should.fail(error, null, 'Error event should not be triggered');
});
var counter = 0;
stream.on('data', function(data) {
should.exist(data);
var result = data[1];
compareBuffers(result, specialStr, content, contentLength);
counter++;
});
stream.on('end', function () {
should.equal(counter, 1);
cb();
});
}
], done);
}); // 88.1.14
it('88.1.15 works with connection.queryStream() and oracledb.maxRows > actual number of rows in the table', function(done) {
var id_1 = insertID++;
var specialStr_1 = '88.1.15_1';
var contentLength_1 = 26;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var id_2 = insertID++;
var specialStr_2 = '88.1.15_2';
var contentLength_2 = 30;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
var maxRowsBak = oracledb.maxRows;
oracledb.maxRows = 20;
async.series([
function(cb) {
insertIntoBlobTable1(id_1, content_1, cb);
},
function(cb) {
insertIntoBlobTable1(id_2, content_2, cb);
},
function(cb) {
var sql = "SELECT ID, B from nodb_blob1 WHERE ID = " + id_1 + " or id = " +id_2;
var stream = connection.queryStream(sql, {}, { fetchInfo : { B : { type : oracledb.BUFFER } } });
stream.on('error', function (error) {
should.fail(error, null, 'Error event should not be triggered');
});
var counter = 0;
stream.on('data', function(data) {
should.exist(data);
var result = data[1];
counter++;
if(counter == 1) {
compareBuffers(result, specialStr_1, content_1, contentLength_1);
} else {
compareBuffers(result, specialStr_2, content_2, contentLength_2);
}
});
stream.on('end', function () {
should.equal(counter, 2);
oracledb.maxRows = maxRowsBak;
cb();
});
}
], done);
}); // 88.1.15
it('88.1.16 works with connection.queryStream() and oracledb.maxRows = actual number of rows in the table', function(done) {
var id_1 = insertID++;
var specialStr_1 = '88.1.16_1';
var contentLength_1 = 26;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var id_2 = insertID++;
var specialStr_2 = '88.1.16_2';
var contentLength_2 = 30;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
var maxRowsBak = oracledb.maxRows;
oracledb.maxRows = 2;
async.series([
function(cb) {
insertIntoBlobTable1(id_1, content_1, cb);
},
function(cb) {
insertIntoBlobTable1(id_2, content_2, cb);
},
function(cb) {
var sql = "SELECT ID, B from nodb_blob1 WHERE ID = " + id_1 + " or id = " +id_2;
var stream = connection.queryStream(sql, {}, { fetchInfo : { B : { type : oracledb.BUFFER } } });
stream.on('error', function (error) {
should.fail(error, null, 'Error event should not be triggered');
});
var counter = 0;
stream.on('data', function(data) {
should.exist(data);
var result = data[1];
counter++;
if(counter == 1) {
compareBuffers(result, specialStr_1, content_1, contentLength_1);
} else {
compareBuffers(result, specialStr_2, content_2, contentLength_2);
}
});
stream.on('end', function () {
should.equal(counter, 2);
oracledb.maxRows = maxRowsBak;
cb();
});
}
], done);
}); // 88.1.16
it('88.1.17 works with connection.queryStream() and oracledb.maxRows < actual number of rows in the table', function(done) {
var id_1 = insertID++;
var specialStr_1 = '88.1.17_1';
var contentLength_1 = 26;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var id_2 = insertID++;
var specialStr_2 = '88.1.17_2';
var contentLength_2 = 30;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
var maxRowsBak = oracledb.maxRows;
oracledb.maxRows = 1;
async.series([
function(cb) {
insertIntoBlobTable1(id_1, content_1, cb);
},
function(cb) {
insertIntoBlobTable1(id_2, content_2, cb);
},
function(cb) {
var sql = "SELECT ID, B from nodb_blob1 WHERE ID = " + id_1 + " or id = " +id_2;
var stream = connection.queryStream(sql, {}, { fetchInfo : { B : { type : oracledb.BUFFER } } });
stream.on('error', function (error) {
should.fail(error, null, 'Error event should not be triggered');
});
var counter = 0;
stream.on('data', function(data) {
should.exist(data);
var result = data[1];
counter++;
if(counter == 1) {
compareBuffers(result, specialStr_1, content_1, contentLength_1);
} else {
compareBuffers(result, specialStr_2, content_2, contentLength_2);
}
});
stream.on('end', function () {
should.equal(counter, 2);
oracledb.maxRows = maxRowsBak;
cb();
});
}
], done);
}); // 88.1.17
}); // 88.1
describe('88.2 fetch BLOB columns by setting fetchInfo option and outFormat = oracledb.OUT_FORMAT_OBJECT', function() {
before('Create table and populate', function(done) {
connection.execute(
proc_create_table1,
function(err) {
should.not.exist(err);
done();
}
);
}); // before
after('drop table', function(done) {
connection.execute(
drop_table1,
function(err) {
should.not.exist(err);
done();
}
);
}); // after
insertID = 0;
var insertAndFetch = function(id, specialStr, insertContent, insertContentLength, callback) {
async.series([
function(cb) {
insertIntoBlobTable1(id, insertContent, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B from nodb_blob1 WHERE ID = :id",
{ id : id },
{
outFormat : oracledb.OUT_FORMAT_OBJECT,
fetchInfo : { B : { type : oracledb.BUFFER } }
},
function(err, result) {
var resultVal = result.rows[0].B;
if(specialStr === null) {
should.not.exist(err);
should.equal(resultVal, null);
} else {
should.not.exist(err);
compareClientFetchResult(err, resultVal, specialStr, insertContent, insertContentLength);
}
cb();
}
);
}
], callback);
};
it('88.2.1 works with NULL value', function(done) {
var id = insertID++;
var content = null;
insertAndFetch(id, null, content, null, done);
}); // 88.2.1
it('88.2.2 works with empty buffer', function(done) {
var id = insertID++;
var content = Buffer.from("", "utf-8");
insertAndFetch(id, null, content, null, done);
}); // 88.2.2
it('88.2.3 works with small value', function(done) {
var id = insertID++;
var specialStr = '88.2.3';
var contentLength = 20;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
insertAndFetch(id, specialStr, content, contentLength, done);
}); // 88.2.3
it('88.2.4 works with (64K - 1) value', function(done) {
var id = insertID++;
var specialStr = '88.2.4';
var contentLength = 65535;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
insertAndFetch(id, specialStr, content, contentLength, done);
}); // 88.2.4
it('88.2.5 works with (64K + 1) value', function(done) {
var id = insertID++;
var specialStr = '88.2.5';
var contentLength = 65537;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
insertAndFetch(id, specialStr, content, contentLength, done);
}); // 88.2.5
it('88.2.6 works with (1MB + 1) value', function(done) {
var id = insertID++;
var specialStr = '88.2.6';
var contentLength = 1048577; // 1MB + 1
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
insertAndFetch(id, specialStr, content, contentLength, done);
}); // 88.2.6
it('88.2.7 works with dbms_lob.substr()', function(done) {
var id = insertID++;
var specialStr = '88.2.7';
var contentLength = 200;
var specialStrLength = specialStr.length;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
async.series([
function(cb) {
insertIntoBlobTable1(id, content, cb);
},
function(cb) {
connection.execute(
"SELECT dbms_lob.substr(B, " + specialStrLength + ", 1) AS B1 from nodb_blob1 WHERE ID = :id",
{ id : id },
{
outFormat : oracledb.OUT_FORMAT_OBJECT,
fetchInfo : { B1 : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
var resultVal = result.rows[0].B1;
var buffer2Compare = Buffer.from(specialStr, "utf-8");
compareClientFetchResult(err, resultVal, specialStr, buffer2Compare, specialStrLength);
cb();
}
);
}
], done);
}); // 88.2.7
it('88.2.8 works with EMPTY_BLOB()', function(done) {
var id = insertID++;
var content = "EMPTY_BLOB";
insertAndFetch(id, null, content, null, done);
}); // 88.2.8
it('88.2.9 fetch multiple BLOB rows as Buffer', function(done) {
var id_1 = insertID++;
var specialStr_1 = '88.2.9_1';
var contentLength_1 = 200;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var id_2 = insertID++;
var specialStr_2 = '88.2.9_2';
var contentLength_2 = 100;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
async.series([
function(cb) {
insertIntoBlobTable1(id_1, content_1, cb);
},
function(cb) {
insertIntoBlobTable1(id_2, content_2, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B from nodb_blob1 WHERE ID = " + id_1 + " or id = " + id_2,
{ },
{
outFormat : oracledb.OUT_FORMAT_OBJECT,
fetchInfo : { B : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
var resultVal = result.rows[0].B;
compareClientFetchResult(err, resultVal, specialStr_1, content_1, contentLength_1);
resultVal = result.rows[1].B;
compareClientFetchResult(err, resultVal, specialStr_2, content_2, contentLength_2);
cb();
}
);
}
], done);
}); // 88.2.9
it('88.2.10 fetch the same BLOB column multiple times', function(done) {
var id = insertID++;
var specialStr = '88.2.10';
var contentLength = 200;
var strBuf = random.getRandomString(contentLength, specialStr);
var content = Buffer.from(strBuf, "utf-8");
async.series([
function(cb) {
insertIntoBlobTable1(id, content, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B AS B1, B AS B2 from nodb_blob1 WHERE ID = " + id,
{ },
{
outFormat : oracledb.OUT_FORMAT_OBJECT,
fetchInfo : {
B1 : { type : oracledb.BUFFER },
B2 : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
var resultVal = result.rows[0].B1;
compareClientFetchResult(err, resultVal, specialStr, content, contentLength);
resultVal = result.rows[0].B2;
compareClientFetchResult(err, resultVal, specialStr, content, contentLength);
cb();
}
);
}
], done);
}); // 88.2.10
it('88.2.11 works with update statement', function(done) {
var id = insertID++;
var specialStr_1 = '88.2.11_1';
var contentLength_1 = 200;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var specialStr_2 = '88.2.11_2';
var contentLength_2 = 202;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
async.series([
function(cb) {
insertAndFetch(id, specialStr_1, content_1, contentLength_1, cb);
},
function(cb) {
updateBlobTable1(id, content_2, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B from nodb_blob1 WHERE ID = " + id,
{ },
{
outFormat : oracledb.OUT_FORMAT_OBJECT,
fetchInfo : { B : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
var resultVal = result.rows[0].B;
compareClientFetchResult(err, resultVal, specialStr_2, content_2, contentLength_2);
cb();
}
);
}
], done);
}); // 88.2.11
it('88.2.12 works with setting oracledb.maxRows < actual number of rows in the table', function(done) {
var id_1 = insertID++;
var specialStr_1 = '88.2.12_1';
var contentLength_1 = 200;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var id_2 = insertID++;
var specialStr_2 = '88.2.12_2';
var contentLength_2 = 100;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
var maxRowsBak = oracledb.maxRows;
oracledb.maxRows = 1;
async.series([
function(cb) {
insertIntoBlobTable1(id_1, content_1, cb);
},
function(cb) {
insertIntoBlobTable1(id_2, content_2, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B from nodb_blob1 WHERE id = " + id_1 + " or id = " +id_2,
{ },
{
outFormat : oracledb.OUT_FORMAT_OBJECT,
fetchInfo : { B : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
result.rows.length.should.eql(1);
var resultVal = result.rows[0].B;
compareClientFetchResult(err, resultVal, specialStr_1, content_1, contentLength_1);
oracledb.maxRows = maxRowsBak;
cb();
}
);
}
], done);
}); // 88.2.12
it('88.2.13 works with setting oracledb.maxRows > actual number of rows in the table', function(done) {
var id_1 = insertID++;
var specialStr_1 = '88.2.13_1';
var contentLength_1 = 200;
var strBuf_1 = random.getRandomString(contentLength_1, specialStr_1);
var content_1 = Buffer.from(strBuf_1, "utf-8");
var id_2 = insertID++;
var specialStr_2 = '88.2.13_2';
var contentLength_2 = 100;
var strBuf_2 = random.getRandomString(contentLength_2, specialStr_2);
var content_2 = Buffer.from(strBuf_2, "utf-8");
var maxRowsBak = oracledb.maxRows;
oracledb.maxRows = 10;
async.series([
function(cb) {
insertIntoBlobTable1(id_1, content_1, cb);
},
function(cb) {
insertIntoBlobTable1(id_2, content_2, cb);
},
function(cb) {
connection.execute(
"SELECT ID, B from nodb_blob1 WHERE id = " + id_1 + " or id = " +id_2,
{ },
{
outFormat : oracledb.OUT_FORMAT_OBJECT,
fetchInfo : { B : { type : oracledb.BUFFER } }
},
function(err, result) {
should.not.exist(err);
var resultVal = result.rows[0].B;
compareClientFetchResult(err, resultVal, specialStr_1, content_1, contentLength_1);
resultVal = result.rows[1].B;