To: William Lawrance
> Cc: Michael Meskes; Pgsql-Patches
> Subject: Re: [PATCHES] ECPG patch to use prepare for improved
> performance
>
>
> On Wed, May 09, 2007 at 01:12:17PM -0700, William Lawrance wrote:
> > 2. The performance was improved by about 1 hour in the
es
Subject: Re: [PATCHES] ECPG patch to use prepare for improved
performance
On Wed, May 09, 2007 at 01:12:17PM -0700, William Lawrance wrote:
2. The performance was improved by about 1 hour in the 3 hour
elapsed time of the application. This is important to the
customer in terms of acc
ay, May 10, 2007 3:01 AM
To: William Lawrance
Cc: Michael Meskes; Pgsql-Patches
Subject: Re: [PATCHES] ECPG patch to use prepare for improved
performance
On Wed, May 09, 2007 at 01:12:17PM -0700, William Lawrance wrote:
> 2. The performance was improved by about 1 hour in the 3 hour
>ela
On Wed, May 09, 2007 at 01:12:17PM -0700, William Lawrance wrote:
> 2. The performance was improved by about 1 hour in the 3 hour
>elapsed time of the application. This is important to the
>customer in terms of accomplishing his work load in the
>time that has been allotted, based on
William Lawrance wrote:
> This approach was used for several reasons--
>
> 1. No changes were required in the application source program. For
>an application involving thousands of SQL statements in hundreds
>of programs, this is important. This customer application has
>been tuned ext
ubject: Re: [PATCHES] ECPG patch to use prepare for improved
performance
On Mon, May 07, 2007 at 02:46:29PM -0700, William Lawrance wrote:
> This patch for ECPG utilizes the "PQprepare" and "PQexecPrepared"
> functions to cause SQL statements from ECPG to be cached. I
On Mon, May 07, 2007 at 02:46:29PM -0700, William Lawrance wrote:
> This patch for ECPG utilizes the "PQprepare" and "PQexecPrepared"
> functions to cause SQL statements from ECPG to be cached. It does
> this without requiring any changes in the user's source program.
> ...
I still do not unders
This patch for ECPG utilizes the "PQprepare" and "PQexecPrepared"
functions to cause SQL statements from ECPG to be cached. It does
this without requiring any changes in the user's source program.
It was developed during the preparation for a benchmark for a
large customer. This benchmark cons
