Re: [SQL] How do I convice postgres to use an index?

2004-07-20 Thread Vic Ricker
The plan showed that Postgres did the proper cast on the timestamp. I think part of the problem is that I need to increase the memory allocated to effective_cache_size for the optimizer choose the proper method. (Thanks to Richard Huxton for help.) I've read that if it doesn't have enough ra

[SQL] How do I convice postgres to use an index?

2004-07-13 Thread Vic Ricker
I apologize for the following stupid question. I have been doing some searching and haven't found anything really helpful. The problem is that postgres (7.4.2) keeps choosing to do a sequential scan on a table when an index scan would be significantly faster. The queries that I'm using look at