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> this is patch v 0.4 to support transactions with BLOBs.
> All BLOBs are in one table. You need to make initdb.
>
> --
> Sincerely Yours,
> Denis Perchine
This commit is contained in:
Bruce Momjian
2000-10-08 03:53:15 +00:00
parent cf5a950c10
commit e5e5de8e8c
9 changed files with 30 additions and 226 deletions
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19
src/include/storage/large_object.h
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@@ -8,7 +8,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: large_object.h,v 1.14 2000/10/08 03:18:57 momjian Exp $
* $Id: large_object.h,v 1.15 2000/10/08 03:53:15 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -22,11 +22,17 @@
/*
* This structure will eventually have lots more stuff associated with it.
*/
typedef struct LargeObjectDesc {
Relation heap_r;
Relation index_r;
typedef struct LargeObjectDesc
{
Relation heap_r; /* heap relation */
Relation index_r; /* index relation on seqno attribute */
IndexScanDesc iscan; /* index scan we're using */
TupleDesc hdesc; /* heap relation tuple desc */
TupleDesc idesc; /* index relation tuple desc */
uint32 lowbyte; /* low byte on the current page */
uint32 highbyte; /* high byte on the current page */
uint32 offset; /* current seek pointer */
Oid id;
ItemPointerData htid; /* tid of current heap tuple */
#define IFS_RDLOCK (1 << 0)
#define IFS_WRLOCK (1 << 1)
@@ -49,4 +55,7 @@ extern int inv_tell(LargeObjectDesc *obj_desc);
extern int inv_read(LargeObjectDesc *obj_desc, char *buf, int nbytes);
extern int inv_write(LargeObjectDesc *obj_desc, char *buf, int nbytes);
/* added for buffer leak prevention [ PA ] */
extern void inv_cleanindex(LargeObjectDesc *obj_desc);
#endif /* LARGE_OBJECT_H */