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Remove useless mark/restore support in hash index AM, per discussion.

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(I'm leaving GiST/GIN cleanup to Teodor.)
This commit is contained in:
Tom Lane
2008-10-17 23:50:57 +00:00
parent 3e00496d88
commit af59a0650b
2 changed files with 12 additions and 58 deletions
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10
src/include/access/hash.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/hash.h,v 1.90 2008/09/15 18:43:41 tgl Exp $
* $PostgreSQL: pgsql/src/include/access/hash.h,v 1.91 2008/10/17 23:50:57 tgl Exp $
*
* NOTES
* modeled after Margo Seltzer's hash implementation for unix.
@@ -92,17 +92,15 @@ typedef struct HashScanOpaqueData
BlockNumber hashso_bucket_blkno;
/*
* We also want to remember which buffers we're currently examining in the
* scan. We keep these buffers pinned (but not locked) across hashgettuple
* We also want to remember which buffer we're currently examining in the
* scan. We keep the buffer pinned (but not locked) across hashgettuple
* calls, in order to avoid doing a ReadBuffer() for every tuple in the
* index.
*/
Buffer hashso_curbuf;
Buffer hashso_mrkbuf;
/* Current and marked position of the scan */
/* Current position of the scan */
ItemPointerData hashso_curpos;
ItemPointerData hashso_mrkpos;
} HashScanOpaqueData;
typedef HashScanOpaqueData *HashScanOpaque;