Re: MERGE PARTITIONS and DEPENDS ON EXTENSION.
Matheus Alcantara <matheusssilv97@gmail.com>
From: Matheus Alcantara <matheusssilv97@gmail.com>
To: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Dmitry Koval <d.koval@postgrespro.ru>,
pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2026-04-21T19:23:33Z
Lists: pgsql-hackers
On 21/04/26 12:57, Alexander Korotkov wrote: > I've spotted the following things in this patch. > 1) The equality of dependencies is not fully checked. We only check > that for each new dependency, we have the same for previous partition, > but not vise versa. > 2) The complexity of dependency checking is O(n^2). > 3) Usage of citext and other extensions in src/test/regress where they > might be not available. > Oops, I forgot to replace the citext extension on split partition tests. > I've revised the patch. > 1) collectPartitionIndexExtDeps() is rewritten(). Now it works in > three phases: collect, sort, compare. The comparison phase requires > strict equivalence of dependencies and doesn't depend on the order. > The complexity is now O(n * log(n)), which I think is acceptable. > 2) PartitionIndexExtDepEntry struct now have indexOid. So, on > conflict error contains both partition index names. > 3) Tests moved to > src/test/modules/test_extensions/sql/test_extdepend.sql where > test_ext3/test_ext5 extensions are available. > 4) More tests for different scenarios. > > Could you, please, review this changes? > I think that you miss to include the patch? -- Matheus Alcantara EDB: https://www.enterprisedb.com
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Preserve extension dependencies on indexes during partition merge/split
- 713e553e3213 19 (unreleased) landed