Horton

Re: [HACKERS] Runtime Partition Pruning

Beena Emerson <memissemerson@gmail.com>

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From: Beena Emerson <memissemerson@gmail.com>
To: jesper.pedersen@redhat.com
Cc: David Rowley <david.rowley@2ndquadrant.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: 2018-04-03T17:50:35Z
Lists: pgsql-hackers 
Hello,

On Tue, Apr 3, 2018 at 11:14 PM, Jesper Pedersen
<jesper.pedersen@redhat.com> wrote:
> Hi David,
>
> On 03/31/2018 09:52 AM, David Rowley wrote:
>>
>> I've attached a new version of the patch.  I'm now at v18 after having
>> some versions of the patch that I didn't release which were based on
>> various versions of Amit's faster partition pruning patch.
>>
>
> Thank you for the updated patch set !
>
> I have tested this together with Amit's v46 patch.
>
>
> Also, I'm seeing a regression for check-world in
> src/test/regress/results/inherit.out
>

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);



-- 

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