diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2009-11-01 22:31:02 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2009-11-01 22:31:02 +0000 |
| commit | 01adc8afd55f3ae831e32b6ce19f7c61f4baac28 (patch) | |
| tree | ec4ba5825187ce28c6aaae7a8a1aa64fbd44ceae /src/include/access | |
| parent | 891e225a7066e1922cfcf023a4aff2e1444d020b (diff) | |
Dept of second thoughts: after studying index_getnext() a bit more I realize
that it can scribble on scan->xs_ctup.t_self while following HOT chains,
so we can't rely on that to stay valid between hashgettuple() calls.
Introduce a private variable in HashScanOpaque, instead.
Diffstat (limited to 'src/include/access')
| -rw-r--r-- | src/include/access/hash.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/include/access/hash.h b/src/include/access/hash.h index f25a2adf088..7d02f28add9 100644 --- a/src/include/access/hash.h +++ b/src/include/access/hash.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/access/hash.h,v 1.93.2.1 2009/11/01 21:25:33 tgl Exp $ + * $PostgreSQL: pgsql/src/include/access/hash.h,v 1.93.2.2 2009/11/01 22:31:02 tgl Exp $ * * NOTES * modeled after Margo Seltzer's hash implementation for unix. @@ -99,8 +99,11 @@ typedef struct HashScanOpaqueData */ Buffer hashso_curbuf; - /* Current position of the scan */ + /* Current position of the scan, as an index TID */ ItemPointerData hashso_curpos; + + /* Current position of the scan, as a heap TID */ + ItemPointerData hashso_heappos; } HashScanOpaqueData; typedef HashScanOpaqueData *HashScanOpaque; |