Re: [PATCHES] ECPG patch to use prepare for improved performance

2007-05-13 Thread Bruce Momjian
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

Re: [PATCHES] ECPG patch to use prepare for improved performance

2007-05-10 Thread Andrew Dunstan
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

Re: [PATCHES] ECPG patch to use prepare for improved performance

2007-05-10 Thread William Lawrance
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

Re: [PATCHES] ECPG patch to use prepare for improved performance

2007-05-10 Thread Michael Meskes
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

Re: [PATCHES] ECPG patch to use prepare for improved performance

2007-05-09 Thread Alvaro Herrera
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

Re: [PATCHES] ECPG patch to use prepare for improved performance

2007-05-09 Thread William Lawrance
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

Re: [PATCHES] ECPG patch to use prepare for improved performance

2007-05-09 Thread Michael Meskes
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