| From: | tgl(at)postgresql(dot)org |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql/src backend/access/heap/tuptoaster.c bac ... |
| Date: | 2002-01-16 20:29:03 |
| Message-ID: | 200201162029.g0GKT3u04015@postgresql.org |
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| Lists: | pgsql-committers |
CVSROOT: /cvsroot
Module name: pgsql
Changes by: tgl(at)postgresql(dot)org 02/01/16 15:29:02
Modified files:
src/backend/access/heap: tuptoaster.c
src/backend/utils/time: tqual.c
src/include/utils: tqual.h
Log message:
TOAST needs to do at least minimal time-qual checking in order not to
mess up after an aborted VACUUM FULL, per today's pghackers discussion.
Add a suitable HeapTupleSatisfiesToast routine. Remove useless special-
case test in HeapTupleSatisfiesVisibility macro for xmax =
BootstrapTransactionId; perhaps that was needed at one time, but it's
a waste of cycles now, not to mention actively wrong for SnapshotAny.
Along the way, add some much-needed comments to tqual.c, and simplify
toast_fetch_datum, which no longer needs to assume it may see chunks
out-of-order.
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