Re: Plan differences - Mailing list pgsql-performance

From Jim Nasby
Subject Re: Plan differences
Date
Msg-id 568557D6.8040905@BlueTreble.com
Whole thread Raw
In response to Re: Plan differences  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Plan differences
List pgsql-performance
On 12/31/15 9:02 AM, Tom Lane wrote:
> If you don't want to rebuild the whole database, you can create indexes to
> support this by declaring them with COLLATE "C", or the older way is to
> declare them with text_pattern_ops as the index opclass.

Do you have to do anything special in the query itself for COLLATE "C"
to work?

I didn't realize the two methods were equivalent.
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
Data in Trouble? Get it in Treble! http://BlueTreble.com


pgsql-performance by date:

Previous
From: Tom Lane
Date:
Subject: Re: Plan differences
Next
From: Tom Lane
Date:
Subject: Re: Plan differences