pgsql: Test that VM clear registers VM buffers - Mailing list pgsql-committers

Test that VM clear registers VM buffers

The WAL summarizer only tracks registered buffers, so unregistered VM
clears are ommitted from incremental backups, corrupting the restored
visibility map. Test those cases are now fixed.

Author: Melanie Plageman <melanieplageman@gmail.com>
Reviewed-by: Andrey Borodin <x4mmm@yandex-team.ru>
Discussion: https://postgr.es/m/oqcsevg35xjan2327x5kdfth6q4fgeqboxfo3v3imeyih2uiny%406sez5dzxl6nt
Backpatch-through: 17

Branch
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REL_18_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/4d7feebfbd2f4ed84f95912be12225749ddf6e76

Modified Files
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src/bin/pg_combinebackup/Makefile                |   2 +
src/bin/pg_combinebackup/meson.build             |   1 +
src/bin/pg_combinebackup/t/012_vm_consistency.pl | 258 +++++++++++++++++++++++
3 files changed, 261 insertions(+)