Postgres Pro
Downloads
Home   >   mailing lists

pgsql-server: New two-stage sampling method for ANALYZE, as per - Mailing list pgsql-committers

From tgl@svr1.postgresql.org (Tom Lane)
Subject pgsql-server: New two-stage sampling method for ANALYZE, as per
Date
Msg-id 20040523212402.91097D1B1C7@svr1.postgresql.org
Whole thread Raw
List pgsql-committers
Tree view 
Log Message:
-----------
New two-stage sampling method for ANALYZE, as per discussions a few weeks
ago.  This should give significantly better results when the density of
live tuples is not uniform throughout a table.  Manfred Koizar, with
minor kibitzing from Tom Lane.

Modified Files:
--------------
    pgsql-server/src/backend/commands:
        analyze.c (r1.71 -> r1.72)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/commands/analyze.c.diff?r1=1.71&r2=1.72)

pgsql-committers by date:

Previous
From: tgl@svr1.postgresql.org (Tom Lane)
Date:
Subject: pgsql-server: Still another place to make the world safe for zero-column
Next
From: neilc@svr1.postgresql.org (Neil Conway)
Date:
Subject: pgsql-server: A few cosmetic fixes and code cleanup.