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Remove mark/restore support in GIN and GiST indexes.

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Per Tom's comment.
Also revome useless GISTScanOpaque->flags field.
This commit is contained in:
Teodor Sigaev
2008-10-20 13:39:44 +00:00
parent 7f6bc33fe3
commit 77db9d9ff2
6 changed files with 20 additions and 250 deletions
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17
src/include/access/gist_private.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.33 2008/10/17 17:02:21 teodor Exp $
* $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.34 2008/10/20 13:39:44 teodor Exp $
*
*-------------------------------------------------------------------------
*/
@ -72,21 +72,15 @@ typedef struct GISTScanOpaqueData
{
GISTSearchStack *stack;
GISTSearchStack *markstk;
uint16 flags;
bool qual_ok; /* false if qual can never be satisfied */
GISTSTATE *giststate;
MemoryContext tempCxt;
Buffer curbuf;
ItemPointerData curpos;
Buffer markbuf;
ItemPointerData markpos;
ItemResult pageData[BLCKSZ/sizeof(IndexTupleData)];
OffsetNumber nPageData;
OffsetNumber curPageData;
ItemResult markPageData[BLCKSZ/sizeof(IndexTupleData)];
OffsetNumber markNPageData;
OffsetNumber markCurPageData;
} GISTScanOpaqueData;
typedef GISTScanOpaqueData *GISTScanOpaque;
@ -225,15 +219,6 @@ typedef struct
ItemPointerData key;
} GISTInsertState;
/*
* When we're doing a scan and updating a tree at the same time, the
* updates may affect the scan. We use the flags entry of the scan's
* opaque space to record our actual position in response to updates
* that we can't handle simply by adjusting pointers.
*/
#define GS_CURBEFORE ((uint16) (1 << 0))
#define GS_MRKBEFORE ((uint16) (1 << 1))
/* root page of a gist index */
#define GIST_ROOT_BLKNO 0