Horton

Re: ExecRTCheckPerms() and many prunable partitions

Alvaro Herrera <alvherre@alvh.no-ip.org>

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From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Amit Langote <amitlangote09@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, David Rowley <dgrowleyml@gmail.com>, Greg Stark <stark@mit.edu>, Zhihong Yu <zyu@yugabyte.com>, Julien Rouhaud <rjuju123@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-11-10T12:19:51Z
Lists: pgsql-hackers 
On 2022-Oct-06, Amit Langote wrote:

> Actually, List of Bitmapsets turned out to be something that doesn't
> just-work with our Node infrastructure, which I found out thanks to
> -DWRITE_READ_PARSE_PLAN_TREES.  So, I had to go ahead and add
> first-class support for copy/equal/write/read support for Bitmapsets,
> such that writeNode() can write appropriately labeled versions of them
> and nodeRead() can read them as Bitmapsets.  That's done in 0003.  I
> didn't actually go ahead and make *all* Bitmapsets in the plan trees
> to be Nodes, but maybe 0003 can be expanded to do that.  We won't need
> to make gen_node_support.pl emit *_BITMAPSET_FIELD() blurbs then; can
> just use *_NODE_FIELD().

Hmm, is this related to what Tom posted as part of his 0004 in
https://postgr.es/m/2901865.1667685211@sss.pgh.pa.us

-- 
Álvaro Herrera        Breisgau, Deutschland  —  https://www.EnterpriseDB.com/

Commits

  1. Add a test case for a316a3bc

  2. Correctly set userid of subquery relations' child rels

  3. Fix buggy recursion in flatten_rtes_walker().

  4. Remove some dead code in selfuncs.c

  5. Update outdated comment in ApplyRetrieveRule

  6. Rework query relation permission checking

  7. Generalize ri_RootToPartitionMap to use for non-partition children

  8. Stop accessing checkAsUser via RTE in some cases

  9. Add 'missing_ok' argument to build_attrmap_by_name