Ok so how can i make a preparedStatement pool or
allocated my preparedStatements for each connection ???
Kris Jurka wrote:
>On Fri, 28 Jan 2005, [ISO-8859-1] Stéphane RIFF wrote:
>>Yes i use it as a singleon what's the problem with that ???
>>I instanciate One object => 1 pool for all threads and each thread use
>The problem is you have all your preprared statements allocated in the
>singleton instead of per connection. This is bad because you
>overwrite them upon each call to prepareQuery. When you have multiple
>threads doing this at once what will happen is the first thread will
>prepare them and start executing, the second thread will also prepare them
>and begin executing, but since the statements are global, you've replaced
>the first threads versions and it will now be executing on the second
>threads connection because it's using the global statements. You've got
>chaos going on here.
>---------------------------(end of broadcast)---------------------------
>TIP 3: if posting/reading through Usenet, please send an appropriate
> subscribe-nomail command to majordomo(at)postgresql(dot)org so that your
> message can get through to the mailing list cleanly
No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.300 / Virus Database: 265.8.2 - Release Date: 28/01/2005
In response to
pgsql-jdbc by date
|Next:||From: Oliver Jowett||Date: 2005-01-31 19:34:38|
|Subject: Re: Help with exception: java.lang.IllegalArgumentException:|
|Previous:||From: Venkatesh Babu||Date: 2005-01-31 07:21:45|
|Subject: Help with exception: java.lang.IllegalArgumentException: \0 not allowed|