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Implement ALTER DATABASE SET TABLESPACE to move a whole database (or at least

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as much of it as lives in its default tablespace) to a new tablespace.

Guillaume Lelarge, with some help from Bernd Helmle and Tom Lane
This commit is contained in:
Tom Lane
2008-11-07 18:25:07 +00:00
parent 85e2cedf98
commit 6517f377d6
8 changed files with 437 additions and 13 deletions
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41
src/backend/storage/lmgr/lmgr.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/lmgr/lmgr.c,v 1.97 2008/03/04 19:54:06 tgl Exp $
* $PostgreSQL: pgsql/src/backend/storage/lmgr/lmgr.c,v 1.98 2008/11/07 18:25:06 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -660,6 +660,45 @@ UnlockSharedObject(Oid classid, Oid objid, uint16 objsubid,
LockRelease(&tag, lockmode, false);
}
/*
* LockSharedObjectForSession
*
* Obtain a session-level lock on a shared-across-databases object.
* See LockRelationIdForSession for notes about session-level locks.
*/
void
LockSharedObjectForSession(Oid classid, Oid objid, uint16 objsubid,
LOCKMODE lockmode)
{
LOCKTAG tag;
SET_LOCKTAG_OBJECT(tag,
InvalidOid,
classid,
objid,
objsubid);
(void) LockAcquire(&tag, lockmode, true, false);
}
/*
* UnlockSharedObjectForSession
*/
void
UnlockSharedObjectForSession(Oid classid, Oid objid, uint16 objsubid,
LOCKMODE lockmode)
{
LOCKTAG tag;
SET_LOCKTAG_OBJECT(tag,
InvalidOid,
classid,
objid,
objsubid);
LockRelease(&tag, lockmode, true);
}
/*
* Append a description of a lockable object to buf.