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Update comments that became out-of-date with the PGXACT struct.

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When the "hot" members of PGPROC were split off to separate PGXACT structs,
many PGPROC fields referred to in comments were moved to PGXACT, but the
comments were neglected in the commit. Mostly this is just a search/replace
of PGPROC with PGXACT, but the way the dummy PGPROC entries are created for
prepared transactions changed more, making some of the comments totally
bogus.

Noah Misch
This commit is contained in:
Heikki Linnakangas
2012-05-14 10:22:44 +03:00
parent 64f09ca386
commit 9e4637bf89
11 changed files with 56 additions and 66 deletions
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2
src/backend/commands/vacuum.c
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@@ -892,7 +892,7 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, bool do_toast, bool for_wraparound)
*
* Note: these flags remain set until CommitTransaction or
* AbortTransaction. We don't want to clear them until we reset
* MyProc->xid/xmin, else OldestXmin might appear to go backwards,
* MyPgXact->xid/xmin, else OldestXmin might appear to go backwards,
* which is probably Not Good.
*/
LWLockAcquire(ProcArrayLock, LW_EXCLUSIVE);