diff options
| author | Bruce Momjian | 1999-07-03 00:33:04 +0000 |
|---|---|---|
| committer | Bruce Momjian | 1999-07-03 00:33:04 +0000 |
| commit | 97dfff832cbc79a48ac2e053f2628c18027ee0a2 (patch) | |
| tree | cd917280489ad0d84fb9fbb45fe775bbcc71c6e0 /src/include | |
| parent | 954e466c27ad6e6933b99217749e7cb078243fc1 (diff) | |
Fix to prevent too large tuple from being created.
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/access/htup.h | 9 | ||||
| -rw-r--r-- | src/include/storage/bufpage.h | 14 |
2 files changed, 8 insertions, 15 deletions
diff --git a/src/include/access/htup.h b/src/include/access/htup.h index 996d2c158c6..d4107b9cc2f 100644 --- a/src/include/access/htup.h +++ b/src/include/access/htup.h @@ -6,14 +6,14 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: htup.h,v 1.16 1999/05/25 22:42:32 momjian Exp $ + * $Id: htup.h,v 1.17 1999/07/03 00:32:55 momjian Exp $ * *------------------------------------------------------------------------- */ #ifndef HTUP_H #define HTUP_H -#include <utils/nabstime.h> +#include <storage/bufpage.h> #include <storage/itemptr.h> #define MinHeapTupleBitmapSize 32 /* 8 * 4 */ @@ -52,6 +52,11 @@ typedef struct HeapTupleHeaderData typedef HeapTupleHeaderData *HeapTupleHeader; +#define MinTupleSize (sizeof (PageHeaderData) + \ + sizeof(HeapTupleHeaderData) + sizeof(int4)) + +#define MaxTupleSize (BLCKSZ/2 - MinTupleSize) + #define SelfItemPointerAttributeNumber (-1) #define ObjectIdAttributeNumber (-2) #define MinTransactionIdAttributeNumber (-3) diff --git a/src/include/storage/bufpage.h b/src/include/storage/bufpage.h index 5c8574a4509..74729eaddc4 100644 --- a/src/include/storage/bufpage.h +++ b/src/include/storage/bufpage.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: bufpage.h,v 1.22 1999/05/25 16:14:40 momjian Exp $ + * $Id: bufpage.h,v 1.23 1999/07/03 00:32:59 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -133,18 +133,6 @@ typedef enum OverwritePageManagerMode } PageManagerMode; -/* ---------------- - * misc support macros - * ---------------- - */ - -/* - * XXX this is wrong -- ignores padding/alignment, variable page size, - * AM-specific opaque space at the end of the page (as in btrees), ... - * however, it at least serves as an upper bound for heap pages. - */ -#define MAXTUPLEN (BLCKSZ - sizeof (PageHeaderData)) - /* ---------------------------------------------------------------- * page support macros * ---------------------------------------------------------------- |