86 lines
2.4 KiB
JavaScript
86 lines
2.4 KiB
JavaScript
/* Copyright (c) 2015, 2016, 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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* raw1.js
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*
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* DESCRIPTION
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* Shows using a Buffer to insert and select a RAW.
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* Use demo.sql to create the dependencies or do:
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*
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* DROP TABLE myraw;
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* CREATE TABLE myraw (r RAW(64));
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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 data = [0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x2c, 0x20, 0x4f, 0x72, 0x61, 0x63, 0x6c, 0x65, 0x21];
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var buf;
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if (Number(process.version.match(/^v(\d+\.\d+)/)[1]) < 4)
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buf = new Buffer(data, 'hex'); // deprecated usage
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else
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buf = Buffer.from(data);
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var insertRaw = function (conn, cb) {
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conn.execute(
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"INSERT INTO myraw VALUES (:r)",
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{ r : { val: buf, type: oracledb.BUFFER, dir:oracledb.BIND_IN }},
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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.rowsAffected + " row(s) inserted.");
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return cb(null, conn);
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}
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});
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};
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var queryRaw = function (conn, cb) {
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conn.execute(
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"SELECT r FROM myraw",
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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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var buf = result.rows[0];
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console.log("Buffer queried:");
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console.log(buf);
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console.log(buf.toString('utf8'));
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return cb(null, conn);
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}
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});
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};
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// Insert and query the RAW data
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async.waterfall(
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[
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function(cb) {
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oracledb.getConnection(dbConfig, cb);
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},
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insertRaw,
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queryRaw
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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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conn.close(function (err) { if (err) console.error(err.message); });
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});
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