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  1.  Home
  2. JAVA400-L
  3. November 2008

RE: JDBC date insert

The same problems exist on the AS/400 side in RPG. Probably using the
same functions from SQL that they are using from RPG. I talked to IBM
about the problem but was told it was a feature and that IBM had no
plans to fix their API.

I wrote a Normalize Date service program for RPG and my iDate includes
the code to normalize a string date before it converts but all in all a
pain.

Give iDate a try. It will fix your problems.

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx
[mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of TAllen@xxxxxxxxxxxx
Sent: Wednesday, November 05, 2008 12:43 PM
To: Java Programming on and around the iSeries / AS400
Subject: Re: JDBC date insert

I also agree. However, I am restricted to using strings right now. I
cannot use a date object. Also, I do not have access to the driver
properties.

Inserting a date in all different formats (e.g. 11/4/2008, 2008-11-4)
works fine from the SQL green screen. All fail using JDBC. The JDBC
insert seems to want the date in perfect MM/DD/YYYY format with leading
zeros, as is set for the system date format. It seems the only option
is to modify the string to be in MM/DD/YYY format . I don't forsee the
system date format changing but I'd rather not tie myself to it. Is
there another way?

Thanks,
Todd






"Joe Sam Shirah"

<joe_sam@bellsout

h.net>
To
Sent by: "Java Programming on and around
the
java400-l-bounces iSeries / AS400"

@midrange.com <java400-l@xxxxxxxxxxxx>


cc


2008-11-05 12:07
Subject
Re: JDBC date insert



Please respond to

Java Programming

on and around the

iSeries / AS400

<java400-l@midran

ge.com>










Hi Todd,

I agree with both Paul and James.

If you need to specify values other than the current date and time,
use the valueOf() methods of java.sql.Date, java.sql.Time,
java.sql.Timestamp with the values in standard escape syntax. That will
work on any database with a compliant driver.

See:

http://www.jguru.com/faq/view.jsp?EID=422110

under " The second method..." for an example, and review the javadocs.


Joe Sam

Joe Sam Shirah - http://www.conceptgo.com
conceptGO - Consulting/Development/Outsourcing
Java Filter Forum: http://www.ibm.com/developerworks/java/
Just the JDBC FAQs: http://www.jguru.com/faq/JDBC
Going International? http://www.jguru.com/faq/I18N
Que Java400? http://www.jguru.com/faq/Java400

----- Original Message -----
From: <TAllen@xxxxxxxxxxxx>
To: "Java Programming on and around the iSeries / AS400"
<java400-l@xxxxxxxxxxxx>
Sent: Wednesday, November 05, 2008 11:42 AM
Subject: RE: JDBC date insert


It is a prepared statement but I was trying to keep the Java code
simple by dealing with only strings. It seems I'll need to do the
conversion in
the
Java code rather than in the SQL statement.

Thanks,
Todd





"Clapham, Paul"
<pclapham@core-ma
rk.com>
To
Sent by: "Java Programming on and around
the
java400-l-bounces iSeries / AS400"
@midrange.com <java400-l@xxxxxxxxxxxx>


cc

2008-11-05 11:25
Subject
RE: JDBC date insert

Please respond to
Java Programming
on and around the
iSeries / AS400
<java400-l@midran
ge.com>






Well, don't do it that way. Just use a PreparedStatement. It takes
care of all those annoying details on your behalf.

java.util.Date date = // a date 11/5/2008 with time 4:02:04
PreparedStatement ps = conn.prepareStatement("insert into myfile
(cmdate, cmtime) values(?, ?)"); ps.setDate(1, new
java.sql.Date(date.getTime())); ps.setTime(2, new
java.sql.Time(date.getTime())); ps.executeUpdate();

PC2

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx
[mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of
TAllen@xxxxxxxxxxxx
Sent: November 5, 2008 07:16
To: Java Programming on and around the iSeries / AS400
Subject: JDBC date insert

I am having trouble with a JDBC insert of a string into date or time
columns in a database table. The same command works fine from the SQL

green screen.
The insert statement fails with the "Data type mismatch" SQL
exception.
The odd thing is that this only fails when the date or time does not
have all leading zeros.
Date of 11/14/2008 - success
Date of 11/4/2008 - error
Time of 22:00:00 - success
Time of 4:00:00 - error

The insert statement looks like this:

insert into myfile (cmdate, cmtime) values(cast('11/5/2008' as date),
cast('4:02:04' as time))

Thanks,
Todd



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