Re: [PERFORM] Join performance

2007-11-09 Thread Russell Smith
Pepe Barbe wrote: Hello, I am having an issue on PostgreSQL 8.0.12. In the past we had performance issues with the query planner for queries on some tables where we knew we had indexes and it was doing a sequential scan, and for this reason we issue "SET enable_seqscan = FALSE" for some queri

Re: [PERFORM] Join performance

2007-11-08 Thread Tom Lane
Ooops, sorry about the multiple copies there --- not sure what happened. regards, tom lane ---(end of broadcast)--- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/

Re: [PERFORM] Join performance

2007-11-08 Thread Tom Lane
"Steinar H. Gunderson" <[EMAIL PROTECTED]> writes: > On Thu, Nov 08, 2007 at 04:47:09PM -0600, Pepe Barbe wrote: >> I am having an issue on PostgreSQL 8.0.12. In the past we had performance >> issues with the query planner for queries on some tables where we knew we >> had indexes and it was doin

Re: [PERFORM] Join performance

2007-11-08 Thread Tom Lane
"Steinar H. Gunderson" <[EMAIL PROTECTED]> writes: > On Thu, Nov 08, 2007 at 04:47:09PM -0600, Pepe Barbe wrote: >> I am having an issue on PostgreSQL 8.0.12. In the past we had performance >> issues with the query planner for queries on some tables where we knew we >> had indexes and it was doin

Re: [PERFORM] Join performance

2007-11-08 Thread Tom Lane
"Steinar H. Gunderson" <[EMAIL PROTECTED]> writes: > On Thu, Nov 08, 2007 at 04:47:09PM -0600, Pepe Barbe wrote: >> I am having an issue on PostgreSQL 8.0.12. In the past we had performance >> issues with the query planner for queries on some tables where we knew we >> had indexes and it was doin

Re: [PERFORM] Join performance

2007-11-08 Thread Tom Lane
"Steinar H. Gunderson" <[EMAIL PROTECTED]> writes: > On Thu, Nov 08, 2007 at 04:47:09PM -0600, Pepe Barbe wrote: >> I am having an issue on PostgreSQL 8.0.12. In the past we had performance >> issues with the query planner for queries on some tables where we knew we >> had indexes and it was doin

Re: [PERFORM] Join performance

2007-11-08 Thread Steinar H. Gunderson
On Thu, Nov 08, 2007 at 04:47:09PM -0600, Pepe Barbe wrote: > I am having an issue on PostgreSQL 8.0.12. In the past we had performance > issues with the query planner for queries on some tables where we knew we > had indexes and it was doing a sequential scan, and for this reason we > issue "SE

[PERFORM] Join performance

2007-11-08 Thread Pepe Barbe
Hello, I am having an issue on PostgreSQL 8.0.12. In the past we had performance issues with the query planner for queries on some tables where we knew we had indexes and it was doing a sequential scan, and for this reason we issue "SET enable_seqscan = FALSE" for some queries. Recently w