From: | tgl(at)svr1(dot)postgresql(dot)org (Tom Lane) |
---|---|
To: | pgsql-committers(at)postgresql(dot)org |
Subject: | pgsql-server: Renumber SnapshotNow and the other special snapshot codes |
Date: | 2004-09-11 18:28:35 |
Message-ID: | 20040911182835.B1C97329E01@svr1.postgresql.org |
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Lists: | pgsql-committers |
Log Message:
-----------
Renumber SnapshotNow and the other special snapshot codes so that
((Snapshot) NULL) can no longer be confused with a valid snapshot,
as per my recent suggestion. Define a macro InvalidSnapshot for 0.
Use InvalidSnapshot instead of SnapshotAny as the do-nothing special
case for heap_update and heap_delete crosschecks; this seems a little
cleaner even though the behavior is really the same.
Modified Files:
--------------
pgsql-server/src/backend/access/heap:
heapam.c (r1.173 -> r1.174)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/access/heap/heapam.c.diff?r1=1.173&r2=1.174)
pgsql-server/src/backend/commands:
async.c (r1.116 -> r1.117)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/commands/async.c.diff?r1=1.116&r2=1.117)
pgsql-server/src/backend/executor:
execMain.c (r1.236 -> r1.237)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/executor/execMain.c.diff?r1=1.236&r2=1.237)
execUtils.c (r1.114 -> r1.115)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/executor/execUtils.c.diff?r1=1.114&r2=1.115)
pgsql-server/src/include/utils:
tqual.h (r1.50 -> r1.51)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/include/utils/tqual.h.diff?r1=1.50&r2=1.51)
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