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Revise the TIDBitmap API to support multiple concurrent iterations over a

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bitmap.  This is extracted from Greg Stark's posix_fadvise patch; it seems
worth committing separately, since it's potentially useful independently of
posix_fadvise.
This commit is contained in:
Tom Lane
2009-01-10 21:08:36 +00:00
parent 3b34e98242
commit 43a57cf365
7 changed files with 151 additions and 88 deletions
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3
src/include/access/gin.h
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@ -4,7 +4,7 @@
*
* Copyright (c) 2006-2009, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/include/access/gin.h,v 1.27 2009/01/01 17:23:55 momjian Exp $
* $PostgreSQL: pgsql/src/include/access/gin.h,v 1.28 2009/01/10 21:08:36 tgl Exp $
*--------------------------------------------------------------------------
*/
@ -380,6 +380,7 @@ typedef struct GinScanEntryData
/* partial match support */
bool isPartialMatch;
TIDBitmap *partialMatch;
TBMIterator *partialMatchIterator;
TBMIterateResult *partialMatchResult;
StrategyNumber strategy;