Horton

Re: [HACKERS] Runtime Partition Pruning

David Rowley <david.rowley@2ndquadrant.com>

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From: David Rowley <david.rowley@2ndquadrant.com>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Amit Langote <amitlangote09@gmail.com>, Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>, Jesper Pedersen <jesper.pedersen@redhat.com>, Rajkumar Raghuwanshi <rajkumar.raghuwanshi@enterprisedb.com>, Beena Emerson <memissemerson@gmail.com>, Robert Haas <robertmhaas@gmail.com>, amul sul <sulamul@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>, Dilip Kumar <dilipbalaut@gmail.com>
Date: 2018-04-07T21:20:16Z
Lists: pgsql-hackers 
On 8 April 2018 at 09:13, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
> I pushed this patch -- 0001, 0002 and 0003 only.  I did not include
> anything from 0004 and 0005; I didn't even get to the point of reading
> them, so that I could focus on the first part.

Oh great! Thank you for working on this and pushing it, especially so
during your weekend.

> While we didn't get fast pruning support for MergeAppend or the
> DELETE/UPDATE parts, I think those are valuable and recommend to
> resubmit those for PG12.

Thanks. I'll certainly be doing that.

-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

Commits

  1. Initialize ExprStates once in run-time partition pruning

  2. Add bms_prev_member function

  3. Support partition pruning at execution time

  4. Document partprune.c a little better

  5. Fix crash in pg_replication_slot_advance

  6. Add parallel-aware hash joins.

  7. Fix typo.

  8. Allow --with-bonjour to work with non-macOS implementations of Bonjour.

  9. Mention need for --no-inc-recursive in rsync command