diff options
Diffstat (limited to 'src/include/access/htup.h')
| -rw-r--r-- | src/include/access/htup.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/include/access/htup.h b/src/include/access/htup.h index f7fa60cb70..017f6917e1 100644 --- a/src/include/access/htup.h +++ b/src/include/access/htup.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/access/htup.h,v 1.107 2009/06/11 14:49:08 momjian Exp $ + * $PostgreSQL: pgsql/src/include/access/htup.h,v 1.108 2009/12/19 01:32:42 sriggs Exp $ * *------------------------------------------------------------------------- */ @@ -580,6 +580,7 @@ typedef HeapTupleData *HeapTuple; #define XLOG_HEAP2_FREEZE 0x00 #define XLOG_HEAP2_CLEAN 0x10 #define XLOG_HEAP2_CLEAN_MOVE 0x20 +#define XLOG_HEAP2_CLEANUP_INFO 0x30 /* * All what we need to find changed tuple @@ -668,6 +669,7 @@ typedef struct xl_heap_clean { RelFileNode node; BlockNumber block; + TransactionId latestRemovedXid; uint16 nredirected; uint16 ndead; /* OFFSET NUMBERS FOLLOW */ @@ -675,6 +677,19 @@ typedef struct xl_heap_clean #define SizeOfHeapClean (offsetof(xl_heap_clean, ndead) + sizeof(uint16)) +/* + * Cleanup_info is required in some cases during a lazy VACUUM. + * Used for reporting the results of HeapTupleHeaderAdvanceLatestRemovedXid() + * see vacuumlazy.c for full explanation + */ +typedef struct xl_heap_cleanup_info +{ + RelFileNode node; + TransactionId latestRemovedXid; +} xl_heap_cleanup_info; + +#define SizeOfHeapCleanupInfo (sizeof(xl_heap_cleanup_info)) + /* This is for replacing a page's contents in toto */ /* NB: this is used for indexes as well as heaps */ typedef struct xl_heap_newpage @@ -718,6 +733,9 @@ typedef struct xl_heap_freeze #define SizeOfHeapFreeze (offsetof(xl_heap_freeze, cutoff_xid) + sizeof(TransactionId)) +extern void HeapTupleHeaderAdvanceLatestRemovedXid(HeapTupleHeader tuple, + TransactionId *latestRemovedXid); + /* HeapTupleHeader functions implemented in utils/time/combocid.c */ extern CommandId HeapTupleHeaderGetCmin(HeapTupleHeader tup); extern CommandId HeapTupleHeaderGetCmax(HeapTupleHeader tup); |