Solved

Oracle/JDBC. SimpleDateFormat on Date column returns time as 00:00:00 (yyyy-MM-dd HH:mm:ss)

Posted on 2004-09-28
15
1,534 Views
Last Modified: 2010-05-18
Why is it not returning the actual time?

Example:
In Oracle a date column holding: 28-09-2004 10:19:50

Connection connection = CachedConnectionFactory.getConnection();
Statement statement = connection.createStatement();
ResultSet resultSet = statement.executeQuery("select col1 from datetest"); //col1 is a date column
SimpleDateFormat simpledateformat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

simpledateformat.format(date) returns "2004-09-28 00:00:00"


ResultSet resultSet = statement.executeQuery("select to_char(col1,'dd-mm-yyyy hh24:mi:ss') col1 from datetest");
return the string "28-09-2004 10:19:50"

Oracle 9.2.0.2.1
Java 1.3 something
0
Comment
Question by:jerra
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 6
  • 5
  • 4
15 Comments
 
LVL 35

Assisted Solution

by:girionis
girionis earned 100 total points
ID: 12167260
Check if the date is saved as Timestamp in the database. If it is try to read the column as Timestamp and not as Date:

0
 
LVL 86

Expert Comment

by:CEHJ
ID: 12167261
You need to use java.util.Date
0
 
LVL 86

Expert Comment

by:CEHJ
ID: 12167283
java.util.Date d = rs.getTimestamp("x").getTimestamp();
0
Creating Instructional Tutorials  

For Any Use & On Any Platform

Contextual Guidance at the moment of need helps your employees/users adopt software o& achieve even the most complex tasks instantly. Boost knowledge retention, software adoption & employee engagement with easy solution.

 
LVL 86

Accepted Solution

by:
CEHJ earned 100 total points
ID: 12167289
Sorry

java.util.Date d = new java.util.Date(rs.getTimestamp("x").getTime());
0
 

Author Comment

by:jerra
ID: 12167296
No it is saved as a date. It is actually sysdate inserted into the column.

>You need to use java.util.Date
How?
0
 
LVL 86

Expert Comment

by:CEHJ
ID: 12167304
>>How?

See above
0
 
LVL 35

Expert Comment

by:girionis
ID: 12167339
> No it is saved as a date. It is actually sysdate inserted into the column.

> >You need to use java.util.Date
> How?

You might as well use:

Timestamp date = rs.getTimeStamp("columnname");
simpledateformat.format(date)
0
 

Author Comment

by:jerra
ID: 12167380
My program dynamically determines the column type from a not specified table.
...
resultSetMetaData.getColumnType(index) == Types.DATE

so instead I have to treat every date column unconditionally as timestamp? awkward...
0
 
LVL 86

Expert Comment

by:CEHJ
ID: 12167403
Columns are usually able to be treated as Timestamp anyway. You could always do

Object column = rs.getObject(x);
if (columns instanceof Timestamp) {
   //
}
else if (column instanceof java.sql.Date) {
   //
}
0
 
LVL 35

Expert Comment

by:girionis
ID: 12167414
Is there any type defined for TIMESTAMP in the table? If yes use that. But if it is a Timestamp datat type in the database then you should be using a Timestamp.
0
 
LVL 35

Expert Comment

by:girionis
ID: 12167418
You might as well do:

resultSetMetaData.getColumnType(index) == Types.TIMESTAMP
0
 

Author Comment

by:jerra
ID: 12167419
>Is there any type defined for TIMESTAMP in the table?
no the datatype is Date
0
 

Author Comment

by:jerra
ID: 12167424
Thanks for your help. Excellent!
0
 
LVL 35

Expert Comment

by:girionis
ID: 12167426
:)
0
 
LVL 86

Expert Comment

by:CEHJ
ID: 12167427
8-)
0

Featured Post

Revamp Your Training Process

Drastically shorten your training time with WalkMe's advanced online training solution that Guides your trainees to action.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Introduction This article is the first of three articles that explain why and how the Experts Exchange QA Team does test automation for our web site. This article explains our test automation goals. Then rationale is given for the tools we use to a…
Introduction This article is the last of three articles that explain why and how the Experts Exchange QA Team does test automation for our web site. This article covers our test design approach and then goes through a simple test case example, how …
Viewers will learn about basic arrays, how to declare them, and how to use them. Introduction and definition: Declare an array and cover the syntax of declaring them: Initialize every index in the created array: Example/Features of a basic arr…
Viewers will learn about the regular for loop in Java and how to use it. Definition: Break the for loop down into 3 parts: Syntax when using for loops: Example using a for loop:
Suggested Courses

734 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question