Deduplicate choice of horizon for a relation procarray.c.
5a1e1d83022 was a minimal bug fix for dc7420c2c92. To avoid future bugs of
that kind, deduplicate the choice of a relation's horizon into a new helper,
GlobalVisHorizonKindForRel().
As the code in question was only introduced in dc7420c2c92 it seems worth
backpatching this change as well, otherwise 14 will look different from all
other branches.
A different approach to this was suggested by Matthias van de Meent.
Author: Andres Freund
Discussion: https://postgr.es/m/20210621122919.2qhu3pfugxxp3cji@alap3.anarazel.de
Backpatch: 14, like 5a1e1d83022
Branch
------
master
Details
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https://git.postgresql.org/pg/commitdiff/d9d8aa9bb9aa2a850f53facd2c91e454129af57b
Modified Files
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src/backend/storage/ipc/procarray.c | 101 +++++++++++++++++++++++-------------
1 file changed, 66 insertions(+), 35 deletions(-)
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