: [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
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 his
, 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
elapsed time
: [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 accomplishing his
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 understand
: [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. It does
this without requiring any changes
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
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
