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Revisit cosmetics of "For inplace update, send nontransactional invalidations."

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This removes a never-used CacheInvalidateHeapTupleInplace() parameter.
It adds README content about inplace update visibility in logical
decoding.  It rewrites other comments.

Back-patch to v18, where commit 243e9b40f1
first appeared.  Since this removes a CacheInvalidateHeapTupleInplace()
parameter, expect a v18 ".abi-compliance-history" edit to follow.  PGXN
contains no calls to that function.

Reported-by: Paul A Jungwirth <pj@illuminatedcomputing.com>
Reported-by: Ilyasov Ian <ianilyasov@outlook.com>
Reviewed-by: Paul A Jungwirth <pj@illuminatedcomputing.com>
Reviewed-by: Surya Poondla <s_poondla@apple.com>
Discussion: https://postgr.es/m/CA+renyU+LGLvCqS0=fHit-N1J-2=2_mPK97AQxvcfKm+F-DxJA@mail.gmail.com
Backpatch-through: 18
This commit is contained in:
Noah Misch
2025-12-15 12:19:49 -08:00
parent 0839fbe400
commit 64bf53dd61
5 changed files with 57 additions and 33 deletions
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3
src/include/utils/inval.h
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@@ -61,8 +61,7 @@ extern void CacheInvalidateHeapTuple(Relation relation,
HeapTuple tuple,
HeapTuple newtuple);
extern void CacheInvalidateHeapTupleInplace(Relation relation,
HeapTuple tuple,
HeapTuple newtuple);
HeapTuple key_equivalent_tuple);
extern void CacheInvalidateCatalog(Oid catalogId);