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sharadrajusharadraju
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Update date examples
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‎examples/date_timestamp1.js

+120-121
Original file line numberDiff line numberDiff line change
@@ -35,124 +35,123 @@
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*
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*****************************************************************************///
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'use strict';
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Error.stackTraceLimit = 50;
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// Using a fixed Oracle time zone helps avoid machine and deployment differences
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// process.env.ORA_SDTZ = 'UTC';
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const oracledb = require('oracledb');
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const dbConfig = require('./dbconfig.js');
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// This example runs in both node-oracledb Thin and Thick modes.
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//
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// Optionally run in node-oracledb Thick mode
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if (process.env.NODE_ORACLEDB_DRIVER_MODE === 'thick') {
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// Thick mode requires Oracle Client or Oracle Instant Client libraries. On
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// Windows and macOS Intel you can specify the directory containing the
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// libraries at runtime or before Node.js starts. On other platforms (where
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// Oracle libraries are available) the system library search path must always
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// include the Oracle library path before Node.js starts. If the search path
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// is not correct, you will get a DPI-1047 error. See the node-oracledb
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// installation documentation.
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let clientOpts = {};
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if (process.platform === 'win32') { // Windows
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// clientOpts = { libDir: 'C:\\oracle\\instantclient_19_17' };
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} else if (process.platform === 'darwin' && process.arch === 'x64') { // macOS Intel
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clientOpts = { libDir: process.env.HOME + '/Downloads/instantclient_19_8' };
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}
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oracledb.initOracleClient(clientOpts); // enable node-oracledb Thick mode
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}
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console.log(oracledb.thin ? 'Running in thin mode' : 'Running in thick mode');
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oracledb.outFormat = oracledb.OUT_FORMAT_OBJECT;
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async function run() {
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let connection;
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try {
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let result, date;
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connection = await oracledb.getConnection(dbConfig);
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console.log('Creating table');
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const stmts = [
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`DROP TABLE no_datetab`,
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`CREATE TABLE no_datetab(
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id NUMBER,
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timestampcol TIMESTAMP,
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timestamptz TIMESTAMP WITH TIME ZONE,
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timestampltz TIMESTAMP WITH LOCAL TIME ZONE,
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datecol DATE)`
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];
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for (const s of stmts) {
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try {
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await connection.execute(s);
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} catch (e) {
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if (e.errorNum != 942)
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console.error(e);
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}
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}
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// When bound, JavaScript Dates are inserted using TIMESTAMP WITH LOCAL TIMEZONE
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date = new Date(1995, 11, 17); // 17th Dec 1995
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console.log('Inserting JavaScript date: ' + date);
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result = await connection.execute(
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`INSERT INTO no_datetab (id, timestampcol, timestamptz, timestampltz, datecol)
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VALUES (1, :ts, :tstz, :tsltz, :td)`,
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{ ts: date, tstz: date, tsltz: date, td: date });
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console.log('Rows inserted: ' + result.rowsAffected);
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console.log('Query Results:');
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result = await connection.execute(
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`SELECT id, timestampcol, timestamptz, timestampltz, datecol,
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TO_CHAR(CURRENT_DATE, 'DD-Mon-YYYY HH24:MI') AS CD
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FROM no_datetab
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ORDER BY id`);
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console.log(result.rows);
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console.log('Altering session time zone');
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await connection.execute(`ALTER SESSION SET TIME_ZONE='+5:00'`); // resets ORA_SDTZ value
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date = new Date(); // Current Date
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console.log('Inserting JavaScript date: ' + date);
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result = await connection.execute(
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`INSERT INTO no_datetab (id, timestampcol, timestamptz, timestampltz, datecol)
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VALUES (2, :ts, :tstz, :tsltz, :td)`,
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{ ts: date, tstz: date, tsltz: date, td: date });
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console.log('Rows inserted: ' + result.rowsAffected);
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console.log('Query Results:');
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result = await connection.execute(
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`SELECT id, timestampcol, timestamptz, timestampltz, datecol,
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TO_CHAR(CURRENT_DATE, 'DD-Mon-YYYY HH24:MI') AS CD
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FROM no_datetab
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ORDER BY id`);
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console.log(result.rows);
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// Show the queried dates are of type Date
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let ts = result.rows[0]['TIMESTAMPCOL'];
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ts.setDate(ts.getDate() + 5);
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console.log('TIMESTAMP manipulation in JavaScript:', ts);
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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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38+
'use strict';
39+
40+
Error.stackTraceLimit = 50;
41+
42+
// Using a fixed Oracle time zone helps avoid machine and deployment differences
43+
// process.env.ORA_SDTZ = 'UTC';
44+
45+
const oracledb = require('oracledb');
46+
const dbConfig = require('./dbconfig.js');
47+
48+
// This example runs in both node-oracledb Thin and Thick modes.
49+
//
50+
// Optionally run in node-oracledb Thick mode
51+
if (process.env.NODE_ORACLEDB_DRIVER_MODE === 'thick') {
52+
// Thick mode requires Oracle Client or Oracle Instant Client libraries. On
53+
// Windows and macOS Intel you can specify the directory containing the
54+
// libraries at runtime or before Node.js starts. On other platforms (where
55+
// Oracle libraries are available) the system library search path must always
56+
// include the Oracle library path before Node.js starts. If the search path
57+
// is not correct, you will get a DPI-1047 error. See the node-oracledb
58+
// installation documentation.
59+
let clientOpts = {};
60+
if (process.platform === 'win32') { // Windows
61+
// clientOpts = { libDir: 'C:\\oracle\\instantclient_19_17' };
62+
} else if (process.platform === 'darwin' && process.arch === 'x64') { // macOS Intel
63+
clientOpts = { libDir: process.env.HOME + '/Downloads/instantclient_19_8' };
64+
}
65+
oracledb.initOracleClient(clientOpts); // enable node-oracledb Thick mode
66+
}
67+
68+
console.log(oracledb.thin ? 'Running in thin mode' : 'Running in thick mode');
69+
70+
oracledb.outFormat = oracledb.OUT_FORMAT_OBJECT;
71+
72+
async function run() {
73+
74+
let connection;
75+
76+
try {
77+
let result, date;
78+
79+
connection = await oracledb.getConnection(dbConfig);
80+
81+
console.log('Creating table');
82+
83+
const stmts = [
84+
`DROP TABLE no_datetab`,
85+
86+
`CREATE TABLE no_datetab(
87+
id NUMBER,
88+
timestampcol TIMESTAMP,
89+
timestamptz TIMESTAMP WITH TIME ZONE,
90+
timestampltz TIMESTAMP WITH LOCAL TIME ZONE,
91+
datecol DATE)`
92+
];
93+
94+
for (const s of stmts) {
95+
try {
96+
await connection.execute(s);
97+
} catch (e) {
98+
if (e.errorNum != 942)
99+
console.error(e);
100+
}
101+
}
102+
103+
// When bound, JavaScript Dates are inserted using TIMESTAMP WITH LOCAL TIMEZONE
104+
date = new Date(1995, 11, 17); // 17th Dec 1995
105+
console.log('Inserting JavaScript date: ' + date);
106+
result = await connection.execute(
107+
`INSERT INTO no_datetab (id, timestampcol, timestamptz, timestampltz, datecol)
108+
VALUES (1, :ts, :tstz, :tsltz, :td)`,
109+
{ ts: date, tstz: date, tsltz: date, td: date });
110+
console.log('Rows inserted: ' + result.rowsAffected);
111+
112+
console.log('Query Results:');
113+
result = await connection.execute(
114+
`SELECT id, timestampcol, timestamptz, timestampltz, datecol,
115+
TO_CHAR(CURRENT_DATE, 'DD-Mon-YYYY HH24:MI') AS CD
116+
FROM no_datetab
117+
ORDER BY id`);
118+
console.log(result.rows);
119+
120+
console.log('Altering session time zone');
121+
await connection.execute(`ALTER SESSION SET TIME_ZONE='+5:00'`); // resets ORA_SDTZ value
122+
123+
date = new Date(); // Current Date
124+
console.log('Inserting JavaScript date: ' + date);
125+
result = await connection.execute(
126+
`INSERT INTO no_datetab (id, timestampcol, timestamptz, timestampltz, datecol)
127+
VALUES (2, :ts, :tstz, :tsltz, :td)`,
128+
{ ts: date, tstz: date, tsltz: date, td: date });
129+
console.log('Rows inserted: ' + result.rowsAffected);
130+
131+
console.log('Query Results:');
132+
result = await connection.execute(
133+
`SELECT id, timestampcol, timestamptz, timestampltz, datecol,
134+
TO_CHAR(CURRENT_DATE, 'DD-Mon-YYYY HH24:MI') AS CD
135+
FROM no_datetab
136+
ORDER BY id`);
137+
console.log(result.rows);
138+
139+
// Show the queried dates are of type Date
140+
let ts = result.rows[0]['TIMESTAMPCOL'];
141+
ts.setDate(ts.getDate() + 5);
142+
console.log('TIMESTAMP manipulation in JavaScript:', ts);
143+
144+
} catch (err) {
145+
console.error(err);
146+
} finally {
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if (connection) {
148+
try {
149+
await connection.close();
150+
} catch (err) {
151+
console.error(err);
152+
}
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}
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}
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}
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run();

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