database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-10-24 01:29:19 +03:00
Code Activity

Clarify maximum tuple and max attribute lengths.

Browse Source
This commit is contained in:
Bruce Momjian
1999-07-04 04:56:02 +00:00
parent b31aa64f4a
commit eba41848aa
4 changed files with 18 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/include/access/htup.h
View File

@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: htup.h,v 1.18 1999/07/03 01:57:53 momjian Exp $
* $Id: htup.h,v 1.19 1999/07/04 04:56:01 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -56,7 +56,9 @@ typedef HeapTupleHeaderData *HeapTupleHeader;
#define MinTupleSize (DOUBLEALIGN(sizeof (PageHeaderData) + \
sizeof(HeapTupleHeaderData) + sizeof(int4)))
#define MaxTupleSize (BLCKSZ/2 - MinTupleSize)
#define MaxTupleSize (BLCKSZ - MinTupleSize)
#define MaxAttrSize (MaxTupleSize - sizeof(HeapTupleHeaderData))
#define SelfItemPointerAttributeNumber (-1)
#define ObjectIdAttributeNumber (-2)