Horton

Re: BRIN range operator class

Emre Hasegeli <emre@hasegeli.com>

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From: Emre Hasegeli <emre@hasegeli.com>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Andreas Karlsson <andreas@proxel.se>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2015-05-06T09:31:11Z
Lists: pgsql-hackers 
>> Looking at patch 04, it seems to me that it would be better to have
>> the OpcInfo struct carry the typecache struct rather than the type OID,
>> so that we can avoid repeated typecache lookups in brin_deform_tuple;
>
> Here's the patch.

Looks better to me.  I will incorporate with this patch.

Commits

  1. Refactor per-page logic common to all redo routines to a new function.

  2. Reduce use of heavyweight locking inside hash AM.

  3. Scan the buffer pool just once, not once per fork, during relation drop.

  4. Major patch from Thomas Lockhart <Thomas.G.Lockhart@jpl.nasa.gov>