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Remove old-style VACUUM FULL (which was known for a little while as

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VACUUM FULL INPLACE), along with a boatload of subsidiary code and complexity.
Per discussion, the use case for this method of vacuuming is no longer large
enough to justify maintaining it; not to mention that we don't wish to invest
the work that would be needed to make it play nicely with Hot Standby.

Aside from the code directly related to old-style VACUUM FULL, this commit
removes support for certain WAL record types that could only be generated
within VACUUM FULL, redirect-pointer removal in heap_page_prune, and
nontransactional generation of cache invalidation sinval messages (the last
being the sticking point for Hot Standby).

We still have to retain all code that copes with finding HEAP_MOVED_OFF and
HEAP_MOVED_IN flag bits on existing tuples.  This can't be removed as long
as we want to support in-place update from pre-9.0 databases.
This commit is contained in:
Tom Lane
2010-02-08 04:33:55 +00:00
parent 1ddc2703a9
commit 0a469c8769
41 changed files with 247 additions and 3737 deletions
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5
src/backend/storage/lmgr/proc.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/lmgr/proc.c,v 1.214 2010/01/23 16:37:12 sriggs Exp $
* $PostgreSQL: pgsql/src/backend/storage/lmgr/proc.c,v 1.215 2010/02/08 04:33:54 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -617,8 +617,7 @@ LockWaitCancel(void)
* at main transaction commit or abort
*
* At main transaction commit, we release all locks except session locks.
* At main transaction abort, we release all locks including session locks;
* this lets us clean up after a VACUUM FULL failure.
* At main transaction abort, we release all locks including session locks.
*
* At subtransaction commit, we don't release any locks (so this func is not
* needed at all); we will defer the releasing to the parent transaction.