77 lines
2.1 KiB
JavaScript
77 lines
2.1 KiB
JavaScript
/* Copyright (c) 2015, 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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* dbmsoutputgetline.js
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*
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* DESCRIPTION
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* Displays PL/SQL DBMS_OUTPUT in node-oracledb, fetching one record at a time.
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*
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* The alternate method shown in dbmsoutputpipe.js is more efficient.
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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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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;
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try {
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connection = await oracledb.getConnection(dbConfig);
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await connection.execute(
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`BEGIN
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DBMS_OUTPUT.ENABLE(NULL);
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END;`);
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await connection.execute(
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`BEGIN
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DBMS_OUTPUT.PUT_LINE('Hello, Oracle!');
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DBMS_OUTPUT.PUT_LINE('Hello, Node!');
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END;`);
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let result;
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do {
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result = await connection.execute(
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`BEGIN
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DBMS_OUTPUT.GET_LINE(:ln, :st);
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END;`,
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{ ln: { dir: oracledb.BIND_OUT, type: oracledb.STRING, maxSize: 32767 },
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st: { dir: oracledb.BIND_OUT, type: oracledb.NUMBER } });
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if (result.outBinds.st === 0)
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console.log(result.outBinds.ln);
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} while (result.outBinds.st === 0);
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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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