From: | Dave Cramer <pg(at)fastcrypt(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Michael Paesold <mpaesold(at)gmx(dot)at>, pgsql-hackers(at)postgreSQL(dot)org, pgsql-jdbc(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] How embarrassing: optimization of a one-shot query doesn't work |
Date: | 2008-04-01 14:26:52 |
Message-ID: | A89C6CD8-333A-4BE9-AC22-5F1181B95886@fastcrypt.com |
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Lists: | pgsql-hackers pgsql-jdbc |
So if I write
conn.prepareStatement("select col from table where col like ?")
then setString(1,'hello%')
The driver will do
prepare foo as select col from table where col like $1
and then
execute foo('hello%')
this will take advantage of the strategy automatically ?
If so this should be changed. The driver does this all the time.
Dave
On 1-Apr-08, at 10:06 AM, Tom Lane wrote:
> Dave Cramer <pg(at)fastcrypt(dot)com> writes:
>> Was the driver ever changed to take advantage of the above strategy?
>
> Well, it's automatic as long as you use the unnamed statement. About
> all that might need to be done on the client side is to use unnamed
> statements more often in preference to named ones, and I believe that
> something like that did get done in JDBC.
>
> regards, tom lane
>
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