Horton

Re: [HACKERS] Runtime Partition Pruning

Beena Emerson <memissemerson@gmail.com>

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From: Beena Emerson <memissemerson@gmail.com>
To: David Rowley <david.rowley@2ndquadrant.com>
Cc: Jesper Pedersen <jesper.pedersen@redhat.com>, Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>, Rajkumar Raghuwanshi <rajkumar.raghuwanshi@enterprisedb.com>, Alvaro Herrera <alvherre@alvh.no-ip.org>, Robert Haas <robertmhaas@gmail.com>, amul sul <sulamul@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>, Dilip Kumar <dilipbalaut@gmail.com>
Date: 2018-04-04T04:48:08Z
Lists: pgsql-hackers 
Hi David,

On Wed, Apr 4, 2018 at 7:57 AM, David Rowley
<david.rowley@2ndquadrant.com> wrote:
> On 4 April 2018 at 05:50, Beena Emerson <memissemerson@gmail.com> wrote:
>> With Amit's v46 patch,  the following query in partition_prune was
>> crashing during make check.
>> explain (analyze, costs off, summary off, timing off) execute ab_q1 (2, 2, 3);
>
> Hi Beena,
>
> Thanks for looking.
>
> Does it work correctly if you apply [1] to Amit's v46 patch before
> patching with v18 run-time partition pruning?
>
> [1] https://www.postgresql.org/message-id/CAKJS1f_6%2BgXB%3DQ%2BDryeB62yW7N19sY8hH_dBSjPFjm2ifdgoCw%40mail.gmail.com
>

Thanks for working on it. make check passes when the patch [1] is also applied.

--

Beena Emerson

EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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