diff options
Diffstat (limited to 'src/include/access')
-rw-r--r-- | src/include/access/htup.h | 7 | ||||
-rw-r--r-- | src/include/access/xact.h | 34 | ||||
-rw-r--r-- | src/include/access/xlog.h | 12 |
3 files changed, 49 insertions, 4 deletions
diff --git a/src/include/access/htup.h b/src/include/access/htup.h index f105dafee27..6f2b085b5c7 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 1.35 2000/09/07 09:58:35 vadim Exp $ + * $Id: htup.h,v 1.36 2000/10/20 11:01:14 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -95,7 +95,7 @@ typedef struct xl_heap_delete xl_heaptid target; /* deleted tuple id */ } xl_heap_delete; -#define SizeOfHeapDelete (offsetof(xl_heaptid, tid) + SizeOfIptrData)) +#define SizeOfHeapDelete (offsetof(xl_heaptid, tid) + SizeOfIptrData) /* This is what we need to know about insert - 26 + data */ typedef struct xl_heap_insert @@ -111,12 +111,13 @@ typedef struct xl_heap_insert #define SizeOfHeapInsert (offsetof(xl_heap_insert, mask) + sizeof(uint8)) -/* This is what we need to know about update - 28 + data */ +/* This is what we need to know about update - 32 + data */ typedef struct xl_heap_update { xl_heaptid target; /* deleted tuple id */ ItemPointerData newtid; /* new inserted tuple id */ /* something from header of new tuple version */ + Oid t_oid; int16 t_natts; uint8 t_hoff; uint8 mask; /* low 8 bits of t_infomask */ diff --git a/src/include/access/xact.h b/src/include/access/xact.h index c512a4a66f9..712e88b6005 100644 --- a/src/include/access/xact.h +++ b/src/include/access/xact.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: xact.h,v 1.27 2000/07/28 01:04:40 tgl Exp $ + * $Id: xact.h,v 1.28 2000/10/20 11:01:14 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -78,6 +78,35 @@ typedef TransactionStateData *TransactionState; (*((TransactionId*) (dest)) = NullTransactionId) +#ifdef XLOG + +/* + * XLOG allows to store some information in high 4 bits of log + * record xl_info field + */ +#define XLOG_XACT_COMMIT 0x00 +#define XLOG_XACT_ABORT 0x20 + +typedef struct xl_xact_commit +{ + time_t xtime; + /* + * Array of RelFileNode-s to drop may follow + * at the end of struct + */ +} xl_xact_commit; + +#define SizeOfXactCommit ((offsetof(xl_xact_commit, xtime) + sizeof(time_t))) + +typedef struct xl_xact_abort +{ + time_t xtime; +} xl_xact_abort; + +#define SizeOfXactAbort ((offsetof(xl_xact_abort, xtime) + sizeof(time_t))) + +#endif + /* ---------------- * extern definitions * ---------------- @@ -108,6 +137,9 @@ extern void AbortOutOfAnyTransaction(void); extern TransactionId DisabledTransactionId; +extern void XactPushRollback(void (*func) (void *), void* data); +extern void XactPopRollback(void); + /* defined in xid.c */ extern Datum xidin(PG_FUNCTION_ARGS); extern Datum xidout(PG_FUNCTION_ARGS); diff --git a/src/include/access/xlog.h b/src/include/access/xlog.h index 69bf1487777..c73217f9ccc 100644 --- a/src/include/access/xlog.h +++ b/src/include/access/xlog.h @@ -72,12 +72,24 @@ typedef XLogPageHeaderData *XLogPageHeader; #define XLP_FIRST_IS_SUBRECORD 0x0001 +#define XLByteLT(left, right) \ + (right.xlogid > left.xlogid || \ + (right.xlogid == left.xlogid && right.xrecoff > left.xrecoff)) + +#define XLByteLE(left, right) \ + (right.xlogid > left.xlogid || \ + (right.xlogid == left.xlogid && right.xrecoff >= left.xrecoff)) + +#define XLByteEQ(left, right) \ + (right.xlogid == left.xlogid && right.xrecoff == left.xrecoff) + /* * StartUpID (SUI) - system startups counter. * It's to allow removing pg_log after shutdown. */ typedef uint32 StartUpID; extern StartUpID ThisStartUpID; +extern bool InRecovery; extern XLogRecPtr XLogInsert(RmgrId rmid, uint8 info, char *hdr, uint32 hdrlen, |