*** pgsql/src/include/access/htup.h	2009/06/11 14:49:08	1.107
--- pgsql/src/include/access/htup.h	2009/12/19 01:32:42	1.108
***************
*** 7,13 ****
   * 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 1.106 2009/01/01 17:23:56 momjian Exp $
   *
   *-------------------------------------------------------------------------
   */
--- 7,13 ----
   * 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 $
   *
   *-------------------------------------------------------------------------
   */
*************** typedef HeapTupleData *HeapTuple;
*** 580,585 ****
--- 580,586 ----
  #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
*************** typedef struct xl_heap_clean
*** 668,673 ****
--- 669,675 ----
  {
  	RelFileNode node;
  	BlockNumber block;
+ 	TransactionId	latestRemovedXid;
  	uint16		nredirected;
  	uint16		ndead;
  	/* OFFSET NUMBERS FOLLOW */
*************** typedef struct xl_heap_clean
*** 675,680 ****
--- 677,695 ----
  
  #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
*************** typedef struct xl_heap_freeze
*** 718,723 ****
--- 733,741 ----
  
  #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);