diff options
Diffstat (limited to 'src/include/access/htup.h')
| -rw-r--r-- | src/include/access/htup.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/include/access/htup.h b/src/include/access/htup.h index 3370960e2fd..4665fe60bb7 100644 --- a/src/include/access/htup.h +++ b/src/include/access/htup.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: htup.h,v 1.31 2000/07/02 22:01:00 momjian Exp $ + * $Id: htup.h,v 1.32 2000/07/03 02:54:17 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -69,22 +69,25 @@ typedef HeapTupleHeaderData *HeapTupleHeader; #define XLOG_HEAP_MOVE 0x30 /* - * All what we need to find changed tuple (14 bytes) + * All what we need to find changed tuple (18 bytes) */ typedef struct xl_heaptid { Oid dbId; /* database */ Oid relId; /* relation */ + CommandId cid; /* this is for "better" tuple' */ + /* identification - it allows to avoid */ + /* "compensation" records for undo */ ItemPointerData tid; /* changed tuple id */ } xl_heaptid; -/* This is what we need to know about delete - ALIGN(14) = 16 bytes */ +/* This is what we need to know about delete - ALIGN(18) = 24 bytes */ typedef struct xl_heap_delete { xl_heaptid dtid; /* deleted tuple id */ } xl_heap_delete; -/* This is what we need to know about insert - 22 + data */ +/* This is what we need to know about insert - 26 + data */ typedef struct xl_heap_insert { xl_heaptid itid; /* inserted tuple id */ @@ -108,7 +111,7 @@ typedef struct xl_heap_update /* NEW TUPLE DATA FOLLOWS AT END OF STRUCT */ } xl_heap_update; -/* This is what we need to know about tuple move - ALIGN(20) = 24 bytes */ +/* This is what we need to know about tuple move - 24 bytes */ typedef struct xl_heap_move { xl_heaptid ftid; /* moved from */ |