Re: Re: A prepared statement ERROR due to EMPTY_QUERY is defined as a static Instance. - Mailing list pgsql-jdbc

Naoya Anzai wrote

> Hi Dave,
>
> Thanks for your response.
>
>> Thanks for the patch! Curious how would you ever come across this ?
>
> This incident was reported by one of our customers.
> So I don't know why their application executes EMPTY_QUERY frequently...
>
> Regards,

The most obvious reason would be as a keep-alive query...I have no idea
whether that is a wise decision compared to "SELECT 1;" or something that
actually causes the server to perform work (i.e., what does the server do
when it see the empty-string as input?).

David J.




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