Postgres Pro
Downloads
Home   >   mailing lists

Re: [PATCHES] Minimum selectivity estimate for LIKE 'prefix%' - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [PATCHES] Minimum selectivity estimate for LIKE 'prefix%'
Date
Msg-id 27057.1206972229@sss.pgh.pa.us
Whole thread Raw
In response to Re: [PATCHES] Minimum selectivity estimate for LIKE 'prefix%'  (Peter Eisentraut <peter_e@gmx.net>)
Responses Re: [PATCHES] Minimum selectivity estimate for LIKE 'prefix%'  (Peter Eisentraut <peter_e@gmx.net>)
List pgsql-hackers
Tree view 
Peter Eisentraut <peter_e@gmx.net> writes:
> OK, first results with this patch are in: The selectivity estimations are 
> adjusted nicely, but the cost calculation doesn't change at all.  Before:

I've forgotten the context ... what's the whole query and plan again?
And which PG version exactly?
        regards, tom lane

pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: jaguar is failing
Next
From: Tom Lane
Date:
Subject: Re: Commit fest status