node-oracledb/test/lobBind1.js

830 lines
29 KiB
JavaScript

/* Copyright (c) 2016, 2023, Oracle and/or its affiliates. */
/******************************************************************************
*
* This software is dual-licensed to you under the Universal Permissive License
* (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
* 2.0 as shown at https://www.apache.org/licenses/LICENSE-2.0. You may choose
* either license.
*
* If you elect to accept the software under the Apache License, Version 2.0,
* the following applies:
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://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.
*
* NAME
* 71. lobBind1.js
*
* DESCRIPTION
* Testing binding LOB data.
*
*****************************************************************************/
'use strict';
const oracledb = require('oracledb');
const fs = require('fs');
const assert = require('assert');
const dbConfig = require('./dbconfig.js');
const assist = require('./dataTypeAssist.js');
describe('71. lobBind1.js', function() {
let connection = null;
before(async function() {
connection = await oracledb.getConnection(dbConfig);
}); // before
after(async function() {
await connection.close();
}); // after
describe('71.1 persistent CLOB', function() {
before('create the tables', async function() {
const proc1 = "BEGIN \n" +
" DECLARE \n" +
" e_table_missing EXCEPTION; \n" +
" PRAGMA EXCEPTION_INIT(e_table_missing, -00942); \n" +
" BEGIN \n" +
" EXECUTE IMMEDIATE('DROP TABLE nodb_tab_clob1 PURGE'); \n" +
" EXCEPTION \n" +
" WHEN e_table_missing \n" +
" THEN NULL; \n" +
" END; \n" +
" EXECUTE IMMEDIATE (' \n" +
" CREATE TABLE nodb_tab_clob1 ( \n" +
" id NUMBER, \n" +
" content CLOB \n" +
" ) \n" +
" '); \n" +
"END; ";
const proc2 = "BEGIN \n" +
" DECLARE \n" +
" e_table_missing EXCEPTION; \n" +
" PRAGMA EXCEPTION_INIT(e_table_missing, -00942); \n" +
" BEGIN \n" +
" EXECUTE IMMEDIATE('DROP TABLE nodb_tab_clob2 PURGE'); \n" +
" EXCEPTION \n" +
" WHEN e_table_missing \n" +
" THEN NULL; \n" +
" END; \n" +
" EXECUTE IMMEDIATE (' \n" +
" CREATE TABLE nodb_tab_clob2 ( \n" +
" id NUMBER, \n" +
" content CLOB \n" +
" ) \n" +
" '); \n" +
"END; ";
await connection.execute(proc1);
await connection.execute(proc2);
}); // before
after(async function() {
await connection.execute("DROP TABLE nodb_tab_clob1 PURGE");
await connection.execute("DROP TABLE nodb_tab_clob2 PURGE");
}); // after
const inFileName = './test/clobexample.txt';
const prepareTableWithClob = async function(sequence) {
const sql = "INSERT INTO nodb_tab_clob1 (id, content) " +
"VALUES (:i, EMPTY_CLOB()) RETURNING content " +
"INTO :lobbv";
const bindVar = { i: sequence, lobbv: { type: oracledb.CLOB, dir: oracledb.BIND_OUT } };
// a transaction needs to span the INSERT and pipe()
const result = await connection.execute(sql, bindVar, { autoCommit: false });
assert.strictEqual(result.rowsAffected, 1);
assert.strictEqual(result.outBinds.lobbv.length, 1);
const inStream = fs.createReadStream(inFileName);
const lob = result.outBinds.lobbv[0];
await new Promise((resolve, reject) => {
inStream.on('error', reject);
lob.on('error', reject);
lob.on('finish', resolve);
inStream.pipe(lob); // copies the text to the CLOB
});
await connection.commit();
};
const verifyClobValue = async function(sequence) {
const sql = "SELECT content FROM nodb_tab_clob2 WHERE id = :id";
const result = await connection.execute(sql, { id: sequence });
if (sequence === 2) {
assert.deepStrictEqual(result.rows, [[null]]);
return;
}
const lob = result.rows[0][0];
const clobData = await lob.getData();
if (sequence === 1) {
assert.strictEqual(clobData, 'some CLOB data');
} else {
const originalData = await fs.promises.readFile(inFileName, { encoding: 'utf8' });
assert.strictEqual(clobData, originalData);
}
}; // verifyClobValue
it('71.1.1 BIND_IN, DML, a String variable', async function() {
const seq = 1;
const lobData = "some CLOB data";
const sql = "INSERT INTO nodb_tab_clob1 VALUES(:i, :d)";
const bindVar = {
i: { val: seq, dir: oracledb.BIND_IN, type: oracledb.NUMBER },
d: { val: lobData, dir: oracledb.BIND_IN, type: oracledb.STRING }
};
let result = await connection.execute(sql, bindVar, { autoCommit: true });
assert.strictEqual(result.rowsAffected, 1);
const sql1 = "SELECT content FROM nodb_tab_clob1 WHERE id = :id";
const sql2 = "INSERT INTO nodb_tab_clob2 (id, content) VALUES (:i, :c)";
result = await connection.execute(sql1, { id: seq });
assert.notStrictEqual(result.rows.length, 0);
const lob = result.rows[0][0];
await connection.execute(
sql2,
{
i: seq,
c: { val: lob, type: oracledb.CLOB, dir: oracledb.BIND_IN }
},
{ autoCommit: true }
);
await lob.close();
await verifyClobValue(seq);
}); // 71.1.1
it('71.1.2 BIND_IN, DML, null', async function() {
const seq = 2;
const lobData = null;
const sql = "INSERT INTO nodb_tab_clob1 VALUES(:i, :d)";
const bindVar = {
i: { val: seq, dir: oracledb.BIND_IN, type: oracledb.NUMBER },
d: { val: lobData, dir: oracledb.BIND_IN, type: oracledb.STRING }
};
let result = await connection.execute(sql, bindVar, { autoCommit: true });
assert.strictEqual(result.rowsAffected, 1);
const sql1 = "SELECT content FROM nodb_tab_clob1 WHERE id = :id";
const sql2 = "INSERT INTO nodb_tab_clob2 (id, content) VALUES (:i, :c)";
result = await connection.execute(sql1, { id: seq });
assert.notStrictEqual(result.rows.length, 0);
const lob = result.rows[0][0];
await connection.execute(
sql2,
{
i: seq,
c: { val: lob, type: oracledb.CLOB, dir: oracledb.BIND_IN }
},
{ autoCommit: true }
);
await verifyClobValue(seq);
}); // 71.1.2
it('71.1.3 BIND_IN, DML, a txt file', async function() {
const seq = 3;
await prepareTableWithClob(seq);
const sql1 = "SELECT content FROM nodb_tab_clob1 WHERE id = :id";
const sql2 = "INSERT INTO nodb_tab_clob2 (id, content) VALUES (:i, :c)";
const result = await connection.execute(sql1, { id: seq });
assert.notStrictEqual(result.rows.length, 0);
const lob = result.rows[0][0];
await connection.execute(
sql2,
{
i: seq,
c: { val: lob, type: oracledb.CLOB, dir: oracledb.BIND_IN }
},
{ autoCommit: true }
);
await lob.close();
await verifyClobValue(seq);
}); // 71.1.3
it('71.1.4 BIND_IN, PL/SQL, a txt file', async function() {
const seq = 4;
const proc = "CREATE OR REPLACE PROCEDURE nodb_clobinproc1 (p_num IN NUMBER, p_lob IN CLOB) \n" +
"AS \n" +
"BEGIN \n" +
" insert into nodb_tab_clob2 (id, content) VALUES (p_num, p_lob); \n" +
"END nodb_clobinproc1;";
await connection.execute(proc);
await prepareTableWithClob(seq);
const sql1 = "SELECT content FROM nodb_tab_clob1 WHERE id = :id";
const sql2 = "begin nodb_clobinproc1(:1, :2); end;";
let result = await connection.execute(sql1, { id: seq });
assert.notStrictEqual(result.rows.length, 0);
const lob = result.rows[0][0];
result = await connection.execute(
sql2,
[
{ val: seq, type: oracledb.NUMBER, dir: oracledb.BIND_IN },
{ val: lob, type: oracledb.CLOB, dir: oracledb.BIND_IN }
],
{ autoCommit: true }
);
await lob.close();
await verifyClobValue(seq);
const sql = "DROP PROCEDURE nodb_clobinproc1";
await connection.execute(sql);
}); // 71.1.4
it('71.1.5 BIND_OUT, PL/SQL, a string', async function() {
const proc = "CREATE OR REPLACE PROCEDURE nodb_cloboutproc_str(p_lob OUT CLOB) \n" +
"AS \n" +
"BEGIN \n" +
" select to_clob('I love the sunshine today.') into p_lob from dual; \n" +
"END nodb_cloboutproc_str;";
const sql = "begin nodb_cloboutproc_str(:c); end;";
await connection.execute(proc);
const result = await connection.execute(
sql,
{ c: { dir: oracledb.BIND_OUT, type: oracledb.CLOB } }
);
const lob = result.outBinds.c;
const clobData = await lob.getData();
assert.strictEqual(clobData, "I love the sunshine today.");
const sqlDrop = "DROP PROCEDURE nodb_cloboutproc_str";
await connection.execute(sqlDrop);
}); // 71.1.5
it('71.1.6 BIND_OUT, PL/SQL, a txt file', async function() {
const seq = 6;
const proc = "CREATE OR REPLACE PROCEDURE nodb_cloboutproc1(p_num IN NUMBER, p_lob OUT CLOB) \n" +
"AS \n" +
"BEGIN \n" +
" select content into p_lob from nodb_tab_clob1 WHERE id = p_num; \n" +
"END nodb_cloboutproc1;";
await connection.execute(proc);
await prepareTableWithClob(seq);
const sql = "begin nodb_cloboutproc1(:id, :c); end;";
const result = await connection.execute(
sql,
{
id: { val: seq, type: oracledb.NUMBER, dir: oracledb.BIND_IN },
c: { dir: oracledb.BIND_OUT, type: oracledb.CLOB }
}
);
const lob = result.outBinds.c;
const clobData = await lob.getData();
const originalData = await fs.promises.readFile(inFileName, { encoding: 'utf8' });
assert.strictEqual(clobData, originalData);
const sqlDrop = "DROP PROCEDURE nodb_cloboutproc1";
await connection.execute(sqlDrop);
}); // 71.1.6
it('71.1.7 BIND_INOUT, PL/SQL, A String. IN LOB gets closed automatically.', async function() {
const seq = 7;
const inStr = "I love the sunshine today!";
const outStr = "A new day has come.";
const proc = "CREATE OR REPLACE PROCEDURE nodb_proc_clob_inout1 \n" +
" (p_num IN NUMBER, p_inout IN OUT CLOB) \n" +
"AS \n" +
"BEGIN \n" +
" insert into nodb_tab_clob2 (id, content) values (p_num, p_inout); \n" +
" select to_clob('" + outStr + "') into p_inout from dual; \n" +
"END nodb_proc_clob_inout1;";
await connection.execute(proc);
let sql = "INSERT INTO nodb_tab_clob1 (id, content) VALUES \n" +
" (:i, '" + inStr + "')";
await connection.execute(
sql,
{ i: seq }
);
const sql1 = "SELECT content FROM nodb_tab_clob1 WHERE id = :id";
const sql2 = "begin nodb_proc_clob_inout1(:id, :io); end;";
let result = await connection.execute(
sql1,
{ id: seq }
);
assert.notStrictEqual(result.rows.length, 0);
let lobin = result.rows[0][0];
result = await connection.execute(
sql2,
{
id: seq,
io: { val: lobin, type: oracledb.CLOB, dir: oracledb.BIND_INOUT }
},
{ autoCommit: true }
);
const lobout = result.outBinds.io;
let clobData = await lobout.getData();
assert.strictEqual(clobData, outStr);
// Verify BindIn value
sql = "SELECT content FROM nodb_tab_clob2 WHERE id = :1";
result = await connection.execute(sql, [ seq ]);
lobin = result.rows[0][0];
clobData = await lobin.getData();
assert.strictEqual(clobData, inStr);
await connection.execute("DROP PROCEDURE nodb_proc_clob_inout1");
});
it('71.1.8 BIND_INOUT, PL/SQL, a txt file', async function() {
const seq = 8;
const outStr = "It binds IN a txt file, and binds OUT a String.";
const proc = "CREATE OR REPLACE PROCEDURE nodb_proc_clob_inout2 \n" +
" (p_num IN NUMBER, p_inout IN OUT CLOB) \n" +
"AS \n" +
"BEGIN \n" +
" insert into nodb_tab_clob2 (id, content) values (p_num, p_inout); \n" +
" select to_clob('" + outStr + "') into p_inout from dual; \n" +
"END nodb_proc_clob_inout2;";
await connection.execute(proc);
await prepareTableWithClob(seq);
const sql1 = "SELECT content FROM nodb_tab_clob1 WHERE id = :id";
const sql2 = "begin nodb_proc_clob_inout2(:id, :io); end;";
let result = await connection.execute(sql1, { id: seq });
assert.notStrictEqual(result.rows.length, 0);
const lob = result.rows[0][0];
result = await connection.execute(
sql2,
{
id: seq,
io: { val: lob, type: oracledb.CLOB, dir: oracledb.BIND_INOUT }
},
{ autoCommit: true }
);
const lobout = result.outBinds.io;
const clobData = await lobout.getData();
assert.strictEqual(clobData, outStr);
await verifyClobValue(seq);
const sql = "DROP PROCEDURE nodb_proc_clob_inout2";
await connection.execute(sql);
}); // 71.1.8
it('71.1.9 BIND_INOUT, PL/SQL, a String as the bind IN Value', async function() {
const seq = 9;
const inStr = "I love the sunshine today!";
const outStr = "A new day has come.";
const proc = "CREATE OR REPLACE PROCEDURE nodb_proc_clob_inout3 \n" +
" (p_num IN NUMBER, p_inout IN OUT CLOB) \n" +
"AS \n" +
"BEGIN \n" +
" insert into nodb_tab_clob2 (id, content) values (p_num, p_inout); \n" +
" select to_clob('" + outStr + "') into p_inout from dual; \n" +
"END nodb_proc_clob_inout3;";
await connection.execute(proc);
const sql = "begin nodb_proc_clob_inout3(:id, :io); end;";
const result = await connection.execute(
sql,
{
id: seq,
io: { val: inStr, type: oracledb.CLOB, dir: oracledb.BIND_INOUT }
},
{ autoCommit: true }
);
const lobout = result.outBinds.io;
const clobData = await lobout.getData();
assert.strictEqual(clobData, outStr);
await connection.execute("DROP PROCEDURE nodb_proc_clob_inout3");
}); // 71.1.9
}); // 71.1
describe("71.2 persistent BLOB", function() {
before('create the tables', async function() {
const proc1 = "BEGIN \n" +
" DECLARE \n" +
" e_table_missing EXCEPTION; \n" +
" PRAGMA EXCEPTION_INIT(e_table_missing, -00942); \n" +
" BEGIN \n" +
" EXECUTE IMMEDIATE('DROP TABLE nodb_tab_blob1 PURGE'); \n" +
" EXCEPTION \n" +
" WHEN e_table_missing \n" +
" THEN NULL; \n" +
" END; \n" +
" EXECUTE IMMEDIATE (' \n" +
" CREATE TABLE nodb_tab_blob1 ( \n" +
" id NUMBER, \n" +
" content BLOB \n" +
" ) \n" +
" '); \n" +
"END; ";
const proc2 = "BEGIN \n" +
" DECLARE \n" +
" e_table_missing EXCEPTION; \n" +
" PRAGMA EXCEPTION_INIT(e_table_missing, -00942); \n" +
" BEGIN \n" +
" EXECUTE IMMEDIATE('DROP TABLE nodb_tab_blob2 PURGE'); \n" +
" EXCEPTION \n" +
" WHEN e_table_missing \n" +
" THEN NULL; \n" +
" END; \n" +
" EXECUTE IMMEDIATE (' \n" +
" CREATE TABLE nodb_tab_blob2 ( \n" +
" id NUMBER, \n" +
" content BLOB \n" +
" ) \n" +
" '); \n" +
"END; ";
await connection.execute(proc1);
await connection.execute(proc2);
}); // before
after(async function() {
await connection.execute("DROP TABLE nodb_tab_blob1 PURGE");
await connection.execute("DROP TABLE nodb_tab_blob2 PURGE");
}); // after
const jpgFileName = './test/fuzzydinosaur.jpg';
const treeAnotherJPG = './test/tree.jpg';
const prepareTableWithBlob = async function(sequence, filepath) {
const sql = "INSERT INTO nodb_tab_blob1 (id, content) " +
"VALUES (:i, EMPTY_BLOB()) RETURNING content " +
"INTO :lobbv";
const bindVar = { i: sequence, lobbv: { type: oracledb.BLOB, dir: oracledb.BIND_OUT } };
// a transaction needs to span the INSERT and pipe()
const result = await connection.execute(
sql,
bindVar,
{ autoCommit: false }
);
assert.strictEqual(result.rowsAffected, 1);
assert.strictEqual(result.outBinds.lobbv.length, 1);
const inStream = fs.createReadStream(filepath);
const lob = result.outBinds.lobbv[0];
await new Promise((resolve, reject) => {
inStream.on('error', reject);
lob.on('error', reject);
lob.on('finish', resolve);
inStream.pipe(lob); // copies the text to the CLOB
});
await connection.commit();
}; // prepareTableWithBlob()
const bindBlob = async function(sequence) {
const sql1 = "SELECT content FROM nodb_tab_blob1 WHERE id = :id",
sql2 = "INSERT INTO nodb_tab_blob2 (id, content) VALUES (:1, :2)";
const result = await connection.execute(sql1, { id: sequence });
assert.notStrictEqual(result.rows.length, 0);
const lob = result.rows[0][0];
await connection.execute(
sql2,
[
sequence,
{ val: lob, type: oracledb.BLOB, dir: oracledb.BIND_IN }
],
{ autoCommit: true }
);
if (lob) return await lob.close();
}; // bindBlob()
const verifyBlobValue = async function(sequence, inlob) {
const sql = "SELECT content FROM nodb_tab_blob2 WHERE id = :id";
const result = await connection.execute(sql, { id: sequence });
const lob = result.rows[0][0];
const blobData = await lob.getData();
if ((sequence === 1) || (sequence === 7)) {
assert.deepStrictEqual(blobData, inlob);
} else {
const originalData = await fs.promises.readFile(inlob);
assert.strictEqual(blobData.length, originalData.length);
assert.deepStrictEqual(originalData, blobData);
}
}; // verifyBlobValue()
it('71.2.1 BIND_IN, DML, a Buffer value', async function() {
const seq = 1;
const bufSize = 10000;
const buf = assist.createBuffer(bufSize);
const sql = "INSERT INTO nodb_tab_blob1 VALUES (:1, :2)";
const bindVar = [
{ val: seq, dir: oracledb.BIND_IN, type: oracledb.NUMBER },
{ val: buf, dir: oracledb.BIND_IN, type: oracledb.BUFFER }
];
const result = await connection.execute(sql, bindVar, { autoCommit: true });
assert.strictEqual(result.rowsAffected, 1);
await bindBlob(seq);
await verifyBlobValue(seq, buf);
}); // 71.2.1
it('71.2.2 BIND_IN, DML, null', async function() {
const seq = 2;
const lobData = Buffer.alloc(0);
let sql = "insert into nodb_tab_blob1 values (:i, :d)";
const bindVar = {
i: { val: seq, dir: oracledb.BIND_IN, type: oracledb.NUMBER },
d: { val: lobData, dir: oracledb.BIND_IN, type: oracledb.BUFFER }
};
await connection.execute(sql, bindVar, { autoCommit: true });
await bindBlob(seq);
sql = "SELECT content FROM nodb_tab_blob2 WHERE id = :id";
const result = await connection.execute(sql, { id: seq });
assert.deepStrictEqual(result.rows, [ [ null ] ]);
}); // 71.2.2
it('71.2.3 BIND_IN, DML, a jpg file', async function() {
const seq = 3;
await prepareTableWithBlob(seq, jpgFileName);
await bindBlob(seq);
await verifyBlobValue(seq, jpgFileName);
}); // 71.2.3
it('71.2.4 BIND_IN, PL/SQL, a jpg file', async function() {
const seq = 4;
const proc = "CREATE OR REPLACE PROCEDURE nodb_proc_blob_in (p_num IN NUMBER, p_lob IN BLOB) \n" +
"AS \n" +
"BEGIN \n" +
" insert into nodb_tab_blob2 (id, content) VALUES (p_num, p_lob); \n" +
"END nodb_proc_blob_in;";
await connection.execute(proc);
await prepareTableWithBlob(seq, jpgFileName);
const sql1 = "SELECT content FROM nodb_tab_blob1 WHERE id = :id",
sql2 = "begin nodb_proc_blob_in(:1, :2); end;";
const result = await connection.execute(sql1, { id: seq });
assert.notStrictEqual(result.rows.length, 0);
const lob = result.rows[0][0];
await connection.execute(
sql2,
[
seq,
{ val: lob, type: oracledb.BLOB, dir: oracledb.BIND_IN }
],
{ autoCommit: true }
);
await lob.close();
await verifyBlobValue(seq, jpgFileName);
await connection.execute("DROP PROCEDURE nodb_proc_blob_in");
}); // 71.2.4
it('71.2.5 BIND_OUT, PL/SQL, a Buffer value', async function() {
const seq = 5;
const bufSize = 1000;
const buf = assist.createBuffer(bufSize);
const proc = "CREATE OR REPLACE PROCEDURE nodb_proc_blob_out1 (p_num IN NUMBER, p_lob OUT BLOB) \n" +
"AS \n" +
"BEGIN \n" +
" select content into p_lob from nodb_tab_blob2 where id = p_num; \n" +
"END nodb_proc_blob_out1;";
await connection.execute(proc);
let sql = "insert into nodb_tab_blob2 values (:1, :2)";
let bindVar = [
seq,
{ val: buf, dir: oracledb.BIND_IN, type: oracledb.BUFFER }
];
await connection.execute(sql, bindVar, { autoCommit: true });
sql = "begin nodb_proc_blob_out1(:i, :b); end;";
bindVar = {
i: seq,
b: { dir: oracledb.BIND_OUT, type: oracledb.BLOB }
};
const result = await connection.execute(sql, bindVar);
const lob = result.outBinds.b;
const blobData = await lob.getData();
assert.strictEqual(blobData.length, buf.length);
assert.deepStrictEqual(blobData, buf);
await connection.execute("DROP PROCEDURE nodb_proc_blob_out1");
}); // 71.2.5
it('71.2.6 BIND_OUT, PL/SQL, a jpg file', async function() {
const seq = 6;
const proc = "CREATE OR REPLACE PROCEDURE nodb_proc_blob_out2 (p_num IN NUMBER, p_lob OUT BLOB) \n" +
"AS \n" +
"BEGIN \n" +
" select content into p_lob from nodb_tab_blob1 where id = p_num; \n" +
"END nodb_proc_blob_out2;";
await connection.execute(proc);
await prepareTableWithBlob(seq, jpgFileName);
const sql = "begin nodb_proc_blob_out2(:1, :2); end;";
const bindVar = [
seq,
{ dir: oracledb.BIND_OUT, type: oracledb.BLOB }
];
const result = await connection.execute(sql, bindVar);
const lob = result.outBinds[0];
const blobData = await lob.getData();
const originalData = await fs.promises.readFile(jpgFileName);
assert.strictEqual(blobData.length, originalData.length);
assert.deepStrictEqual(originalData, blobData);
await connection.execute("DROP PROCEDURE nodb_proc_blob_out2");
}); // 71.2.6
it('71.2.7 BIND_INOUT, PL/SQL, a Buffer value', async function() {
const seq = 7;
const outBufID = 70;
const inBuf = assist.createBuffer(10);
const outBuf = assist.createBuffer(100);
const proc = "CREATE OR REPLACE PROCEDURE nodb_proc_blob_inout1 \n" +
" (p_in IN NUMBER, p_outbufid IN NUMBER, p_inout IN OUT BLOB) \n" +
"AS \n" +
"BEGIN \n" +
" insert into nodb_tab_blob2 (id, content) values (p_in, p_inout); \n" +
" select content into p_inout from nodb_tab_blob1 where id = p_outbufid; \n" +
"END nodb_proc_blob_inout1;";
await connection.execute(proc);
const sql = "insert into nodb_tab_blob1 values (:1, :2)";
const bindVar = [
seq,
{ val: inBuf, dir: oracledb.BIND_IN, type: oracledb.BUFFER }
];
await connection.execute(sql, bindVar, { autoCommit: true });
await connection.execute(
"insert into nodb_tab_blob1 values (:i, :b)",
{
i: outBufID,
b: { val: outBuf, dir: oracledb.BIND_IN, type: oracledb.BUFFER }
},
{ autoCommit: true });
const result1 = await connection.execute(
"select content from nodb_tab_blob1 where id = :1",
[ seq ]
);
const lobin = result1.rows[0][0];
const result2 = await connection.execute(
"begin nodb_proc_blob_inout1 (:in, :oid, :io); end;",
{
in: seq,
oid: outBufID,
io: { val: lobin, type: oracledb.BLOB, dir: oracledb.BIND_INOUT }
},
{ autoCommit: true }
);
const lobout = result2.outBinds.io;
const blobData = await lobout.getData();
assert.deepStrictEqual(blobData, outBuf);
await verifyBlobValue(seq, inBuf);
await connection.execute("DROP PROCEDURE nodb_proc_blob_inout1");
}); // 71.2.7
it('71.2.8 BIND_INOUT, PL/SQL, a jpg file', async function() {
const seq = 8;
const treeID = 100;
const proc = "CREATE OR REPLACE PROCEDURE nodb_proc_blob_inout2 \n" +
" (p_in_seq IN NUMBER, p_in_tree IN NUMBER, p_inout IN OUT BLOB) \n" +
"AS \n" +
"BEGIN \n" +
" insert into nodb_tab_blob2 (id, content) values (p_in_seq, p_inout); \n" +
" select content into p_inout from nodb_tab_blob1 where id = p_in_tree; \n" +
"END nodb_proc_blob_inout2;";
await connection.execute(proc);
await prepareTableWithBlob(seq, jpgFileName);
await prepareTableWithBlob(treeID, treeAnotherJPG);
const sql1 = "select content from nodb_tab_blob1 where id = :id";
const sql2 = "begin nodb_proc_blob_inout2(:i, :tree, :io); end;";
let result = await connection.execute(sql1, { id: seq });
assert.notStrictEqual(result.rows.length, 0);
// bindin lob is the tree.jpg
const inlob = result.rows[0][0];
result = await connection.execute(
sql2,
{
i: seq,
tree: treeID,
io: { val: inlob, dir: oracledb.BIND_INOUT, type: oracledb.BLOB }
},
{ autoCommit: true }
);
const lob = result.outBinds.io;
const blobData = await lob.getData();
const treeData = await fs.promises.readFile(treeAnotherJPG);
assert.deepStrictEqual(treeData, blobData);
await verifyBlobValue(seq, jpgFileName);
await connection.execute("DROP PROCEDURE nodb_proc_blob_inout2");
}); // 71.2.8
it('71.2.9 BIND_INOUT, PL/SQL, a Buffer as the bind IN value', async function() {
const seq = 9;
const inBuf = assist.createBuffer(10);
const proc = "CREATE OR REPLACE PROCEDURE nodb_proc_blob_inout3 \n" +
" (p_in IN NUMBER, p_inout IN OUT BLOB) \n" +
"AS \n" +
"BEGIN \n" +
" insert into nodb_tab_blob2 (id, content) values (p_in, p_inout); \n" +
" select content into p_inout from nodb_tab_blob1 where id = p_in; \n" +
"END nodb_proc_blob_inout3;";
await connection.execute(proc);
await prepareTableWithBlob(seq, jpgFileName);
const sql = "begin nodb_proc_blob_inout3 (:i, :io); end;";
const bindVar = {
i: seq,
io: { val: inBuf, type: oracledb.BLOB, dir: oracledb.BIND_INOUT }
};
const result = await connection.execute(sql, bindVar, { autoCommit: true });
const lob = result.outBinds.io;
const blobData = await lob.getData();
const originalData = await fs.promises.readFile(jpgFileName);
assert.deepStrictEqual(blobData, originalData);
await connection.execute("DROP PROCEDURE nodb_proc_blob_inout3");
}); // 71.2.9
}); // 71.2
});