Horton

Re: pgsql: Support partition pruning at execution time

Andrew Gierth <andrew@tao11.riddles.org.uk>

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From: Andrew Gierth <andrew@tao11.riddles.org.uk>
To: David Rowley <david.rowley@2ndquadrant.com>
Cc: Alvaro Herrera <alvherre@alvh.no-ip.org>, Tom Lane <tgl@sss.pgh.pa.us>, pgsql-committers@lists.postgresql.org
Date: 2018-04-08T05:32:29Z
Lists: pgsql-hackers 
>>>>> "David" == David Rowley <david.rowley@2ndquadrant.com> writes:

 David> I've attached my proposed fix for the unstable regression tests.
 David> I removed the vacuums I'd added in the last version and
 David> commented why we're doing set enable_indesonlyscan = off;

Looks basically sane - I'll try it out and commit it shortly.

-- 
Andrew (irc:RhodiumToad)

Commits

  1. Update Append's idea of first_partial_plan

  2. Fix IndexOnlyScan counter for heap fetches in parallel mode

  3. Fix incorrect logic for choosing the next Parallel Append subplan

  4. Minor comment updates

  5. Attempt to stabilize partition_prune test output.

  6. Support partition pruning at execution time