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pgsql: Fix constant when extracting timestamp from UUIDv7.
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* pgsql: Fix constant when extracting timestamp from UUIDv7.
@ 2025-08-15 18:59  Masahiko Sawada <msawada@postgresql.org>
  0 siblings, 0 replies; 2+ messages in thread

From: Masahiko Sawada @ 2025-08-15 18:59 UTC (permalink / raw)
  To: pgsql-committers@lists.postgresql.org

Fix constant when extracting timestamp from UUIDv7.

When extracting a timestamp from a UUIDv7, a conversion from
milliseconds to microseconds was using the incorrect constant
NS_PER_US instead of US_PER_MS. Although both constants have the same
value, this fix improves code clarity by using the semantically
correct constant.

Backpatch to v18, where UUIDv7 was introduced.

Author: Erik Nordström <erik@tigerdata.com>
Reviewed-by: Andrey Borodin <x4mmm@yandex-team.ru>
Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
Discussion: https://postgr.es/m/CACAa4V+i07eaP6h4MHNydZeX47kkLPwAg0sqe67R=M5tLdxNuQ@mail.gmail.com
Backpatch-through: 18

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/37265ca01f0f361a3aff23e27dfc81b66057a039

Modified Files
--------------
src/backend/utils/adt/uuid.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)



^ permalink  raw  reply  [nested|flat] 2+ messages in thread

* pgsql: Fix constant when extracting timestamp from UUIDv7.
@ 2025-08-15 18:59  Masahiko Sawada <msawada@postgresql.org>
  0 siblings, 0 replies; 2+ messages in thread

From: Masahiko Sawada @ 2025-08-15 18:59 UTC (permalink / raw)
  To: pgsql-committers@lists.postgresql.org

Fix constant when extracting timestamp from UUIDv7.

When extracting a timestamp from a UUIDv7, a conversion from
milliseconds to microseconds was using the incorrect constant
NS_PER_US instead of US_PER_MS. Although both constants have the same
value, this fix improves code clarity by using the semantically
correct constant.

Backpatch to v18, where UUIDv7 was introduced.

Author: Erik Nordström <erik@tigerdata.com>
Reviewed-by: Andrey Borodin <x4mmm@yandex-team.ru>
Discussion: https://postgr.es/m/CACAa4V+i07eaP6h4MHNydZeX47kkLPwAg0sqe67R=M5tLdxNuQ@mail.gmail.com
Backpatch-through: 18

Branch
------
REL_18_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/83773eaf657898a0c747deac7da37516124347c1

Modified Files
--------------
src/backend/utils/adt/uuid.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)



^ permalink  raw  reply  [nested|flat] 2+ messages in thread


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2025-08-15 18:59 pgsql: Fix constant when extracting timestamp from UUIDv7. Masahiko Sawada <msawada@postgresql.org>
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