Horton

Re: [HACKERS] path toward faster partition pruning

Amit Langote <langote_amit_f8@lab.ntt.co.jp>

View thread View on postgr.es
From: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
To: jesper.pedersen@redhat.com
Cc: David Rowley <david.rowley@2ndquadrant.com>, Amit Langote <amitlangote09@gmail.com>, Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>, Rajkumar Raghuwanshi <rajkumar.raghuwanshi@enterprisedb.com>, Robert Haas <robertmhaas@gmail.com>, Dilip Kumar <dilipbalaut@gmail.com>, Beena Emerson <memissemerson@gmail.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2018-01-30T00:57:44Z
Lists: pgsql-hackers 
Hi Jesper.

On 2018/01/29 22:13, Jesper Pedersen wrote:
> Hi Amit,
> 
> On 01/26/2018 04:17 AM, Amit Langote wrote:
>> I made a few of those myself in the updated patches.
>>
>> Thanks a lot again for your work on this.
>>
> 
> This needs a rebase.

AFAICS, v22 cleanly applies to HEAD (c12693d8f3 [1]), compiles, and make
check passes.

Thanks,
Amit

[1] https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=c12693d8f3

Commits

  1. Fix assorted partition pruning bugs

  2. Make gen_partprune_steps static

  3. Remove useless 'default' clause

  4. Reorganize partitioning code

  5. Use custom hash opclass for hash partition pruning

  6. Blindly attempt to fix sepgsql tests broken due to 9fdb675fc5.

  7. Attempt to fix endianess issues in new hash partition test.

  8. Faster partition pruning

  9. For partitionwise join, match on partcollation, not parttypcoll.

  10. Revise API for partition bound search functions.

  11. Revise API for partition_rbound_cmp/partition_rbound_datum_cmp.

  12. Fix possible crash in partition-wise join.

  13. Refactor code for partition bound searching

  14. New C function: bms_add_range

  15. Add extensive tests for partition pruning.

  16. Add null test to partition constraint for default range partitions.

  17. Remove BufFile's isTemp flag.

  18. Make OWNER TO subcommand mention consistent

  19. Fix index matching for operators with mixed collatable/noncollatable inputs.