Re: speeding up planning with partitions

Amit Langote <amitlangote09@gmail.com>

From: Amit Langote <amitlangote09@gmail.com>

To: Jesper Pedersen <jesper.pedersen@redhat.com>

Cc: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>, "Imai, Yoshikazu" <imai.yoshikazu@jp.fujitsu.com>, Tom Lane <tgl@sss.pgh.pa.us>, David Rowley <david.rowley@2ndquadrant.com>, Alvaro Herrera <alvherre@2ndquadrant.com>, Justin Pryzby <pryzby@telsasoft.com>, Pg Hackers <pgsql-hackers@postgresql.org>

Date: 2019-03-12T14:33:57Z

Lists: pgsql-hackers

Attachments

v31-0001-Build-other-rels-of-appendrel-baserels-in-a-sepa.patch (application/octet-stream) patch v31-0001
v31-0005-Further-tweak-inheritance_planner-to-avoid-usele.patch (application/octet-stream) patch v31-0005
v31-0004-Adjust-inheritance_planner-to-reuse-source-child.patch (application/octet-stream) patch v31-0004
v31-0002-Add-rowmark-junk-targetlist-entries-in-query_pla.patch (application/octet-stream) patch v31-0002
v31-0003-Delay-adding-inheritance-child-tables-until-quer.patch (application/octet-stream) patch v31-0003
v31-0006-Perform-pruning-in-expand_partitioned_rtentry.patch (application/octet-stream) patch v31-0006
v31-0007-Teach-planner-to-only-process-unpruned-partition.patch (application/octet-stream) patch v31-0007
v31-0008-Don-t-copy-PartitionBoundInfo-in-set_relation_pa.patch (application/octet-stream) patch v31-0008

Thanks for the heads up.

On Tue, Mar 12, 2019 at 10:23 PM Jesper Pedersen
<jesper.pedersen@redhat.com> wrote:
> After applying 0004 check-world fails with the attached. CFBot agrees [1].

Fixed.  I had forgotten to re-run postgres_fdw tests after making a
change just before submitting.

Thanks,
Amit

Commits

Clean up handling of constraint_exclusion and enable_partition_pruning.
- e03ff739695c 12.0 landed
- 11ea45ffec9a 11.3 landed
Add test case exercising formerly-unreached code in inheritance_planner.
- 8fba397f0ca7 12.0 landed
Speed up planning when partitions can be pruned at plan time.
- 428b260f87e8 12.0 landed
Avoid crash in partitionwise join planning under GEQO.
- 7ad6498fd5a6 12.0 landed
- d70c147fa217 11.3 landed
Avoid passing query tlist around separately from root->processed_tlist.
- 333ed246c6f3 12.0 landed
Build "other rels" of appendrel baserels in a separate step.
- 53bcf5e3dbea 12.0 landed
Get rid of duplicate child RTE for a partitioned table.
- e8d5dd6be79e 12.0 landed
Rearrange make_partitionedrel_pruneinfo to avoid work when we can't prune.
- 734308a22072 12.0 landed
Don't copy PartitionBoundInfo in set_relation_partition_info.
- c8151e642368 12.0 landed
Move building of child base quals out into a new function
- 80579f9bb171 12.0 landed
Reorganize planner code moved in b60c39759908
- d723f56872a9 12.0 landed
Move inheritance expansion code into its own file
- b60c39759908 12.0 landed
Fix inherited UPDATE/DELETE with UNION ALL subqueries.
- c03ad5602f52 9.4.0 cited
Rearrange planner to save the whole PlannerInfo (subroot) for a subquery.
- b3aaf9081a1a 9.2.0 cited