pgsql: Augment EXPLAIN output with more details on Hash nodes.

From: rhaas(at)postgresql(dot)org (Robert Haas)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Augment EXPLAIN output with more details on Hash nodes.
Date: 2010-02-01 15:43:36
Message-ID: 20100201154336.36B7D7541B9@cvs.postgresql.org
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-committers pgsql-hackers

Log Message:
-----------
Augment EXPLAIN output with more details on Hash nodes.

We show the number of buckets, the number of batches (and also the original
number if it has changed), and the peak space used by the hash table. Minor
executor changes to track peak space used.

Modified Files:
--------------
pgsql/src/backend/commands:
explain.c (r1.199 -> r1.200)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/explain.c?r1=1.199&r2=1.200)
pgsql/src/backend/executor:
nodeHash.c (r1.126 -> r1.127)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/nodeHash.c?r1=1.126&r2=1.127)
pgsql/src/include/executor:
hashjoin.h (r1.52 -> r1.53)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/executor/hashjoin.h?r1=1.52&r2=1.53)

Responses

Browse pgsql-committers by date

  From Date Subject
Next Message Bruce Momjian 2010-02-01 15:48:35 pgsql: Remove tabs in sgml.
Previous Message Robert Haas 2010-02-01 15:38:21 pgsql: Minor documentation improvements for new string_agg aggregate.

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2010-02-01 15:45:12 Re: Hot Standby and VACUUM FULL
Previous Message Robert Haas 2010-02-01 15:40:37 Re: Review: listagg aggregate