Horton

Re: Write Ahead Logging for Hash Indexes

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Amit Kapila <amit.kapila16@gmail.com>, Jesper Pedersen <jesper.pedersen@redhat.com>, Jeff Janes <jeff.janes@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2017-03-14T17:40:40Z
Lists: pgsql-hackers 
Robert Haas <robertmhaas@gmail.com> writes:
> Great!  I've committed the latest version of the patch, with some
> cosmetic changes.

Woo hoo!  That's been a bee in the bonnet for, um, decades.

			regards, tom lane

Commits

  1. Add a regression test for snapshot too old with hash indexes.

  2. hash: Add write-ahead logging support.

  3. Improve coding in _hash_addovflpage.

  4. Remove _hash_wrtbuf() in favor of calling MarkBufferDirty().

  5. Improve hash index bucket split behavior.