MySQL not using an index

2002-03-25 Thread Michael C. Neel
I'm nearing the end of my rope trying to figure this one out. I have some queries run against a table that is a log of hits from a web server. No matter how simple I've tried to make my query, MySQL sill does not choose an index. Even use index has no effect. My table: CREATE TABLE

Re: MySQL not using an index

2002-03-25 Thread Christopher Thompson
What percentage of your database contains rows where status = 200? It looks to me like MySQL is estimating that perhaps 1/3 or more of the rows have that status and therefore, it is faster to simply do a table scan rather than using an index. On Monday 25 March 2002 1:08 pm, Michael C. Neel

RE: MySQL not using an index

2002-03-25 Thread Michael C. Neel
for looking at this, Mike -Original Message- From: Christopher Thompson [mailto:[EMAIL PROTECTED]] Sent: Monday, March 25, 2002 3:13 PM To: Michael C. Neel; [EMAIL PROTECTED] Subject: Re: MySQL not using an index What percentage of your database contains rows where status = 200