Re: Prepared Statements: Inefficient Type Conversion?

From: James House <jhouse(at)part(dot)net>
To: Kris Jurka <books(at)ejurka(dot)com>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: Prepared Statements: Inefficient Type Conversion?
Date: 2007-04-16 19:21:04
Message-ID: 4623CCA0.305@part.net
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Kris Jurka wrote:
>> It seems that using the prepared statement to pass the value as a
>> string causes all of the 40 million upid values in the table to
>> convert to string, rather than the string parameter being converted
>> to a number. Can't the driver be smarter than that?
>
>
> You can try adding the url parameter stringtype=unspecified which will
> pass the String parameter untyped instead of as a String.
FWIW, that didn't seem to make a difference - actually, it takes even
longer to execute.

Thanks anyway. We'll try to get the datatype of the column changed.

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