diff options
Diffstat (limited to 'src/include/access/gin.h')
| -rw-r--r-- | src/include/access/gin.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/src/include/access/gin.h b/src/include/access/gin.h index f6a786d3db0..de29cff86ba 100644 --- a/src/include/access/gin.h +++ b/src/include/access/gin.h @@ -4,7 +4,7 @@ * * Copyright (c) 2006-2008, PostgreSQL Global Development Group * - * $PostgreSQL: pgsql/src/include/access/gin.h,v 1.23 2008/07/11 21:06:29 tgl Exp $ + * $PostgreSQL: pgsql/src/include/access/gin.h,v 1.24 2008/07/13 21:50:04 tgl Exp $ *-------------------------------------------------------------------------- */ @@ -121,17 +121,19 @@ typedef struct /* * Data (posting tree) pages */ +#define GinDataPageGetRightBound(page) ((ItemPointer) PageGetContents(page)) #define GinDataPageGetData(page) \ - (PageGetContents(page)+MAXALIGN(sizeof(ItemPointerData))) -#define GinDataPageGetRightBound(page) ((ItemPointer)PageGetContents(page)) -#define GinSizeOfItem(page) ( (GinPageIsLeaf(page)) ? sizeof(ItemPointerData) : sizeof(PostingItem) ) -#define GinDataPageGetItem(page,i) ( GinDataPageGetData(page) + ((i)-1) * GinSizeOfItem(page) ) + (PageGetContents(page) + MAXALIGN(sizeof(ItemPointerData))) +#define GinSizeOfItem(page) \ + (GinPageIsLeaf(page) ? sizeof(ItemPointerData) : sizeof(PostingItem)) +#define GinDataPageGetItem(page,i) \ + (GinDataPageGetData(page) + ((i)-1) * GinSizeOfItem(page)) #define GinDataPageGetFreeSpace(page) \ - ( BLCKSZ - SizeOfPageHeaderData - MAXALIGN(sizeof(GinPageOpaqueData)) - \ - GinPageGetOpaque(page)->maxoff * GinSizeOfItem(page) - \ - MAXALIGN(sizeof(ItemPointerData))) - + (BLCKSZ - MAXALIGN(SizeOfPageHeaderData) \ + - MAXALIGN(sizeof(ItemPointerData)) \ + - GinPageGetOpaque(page)->maxoff * GinSizeOfItem(page) \ + - MAXALIGN(sizeof(GinPageOpaqueData))) #define GIN_UNLOCK BUFFER_LOCK_UNLOCK |