diff options
Diffstat (limited to 'src/include/access/gin.h')
| -rw-r--r-- | src/include/access/gin.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/include/access/gin.h b/src/include/access/gin.h index add5df6ba11..353dd4e3f72 100644 --- a/src/include/access/gin.h +++ b/src/include/access/gin.h @@ -4,7 +4,7 @@ * * Copyright (c) 2006-2008, PostgreSQL Global Development Group * - * $PostgreSQL: pgsql/src/include/access/gin.h,v 1.19 2008/05/12 00:00:53 alvherre Exp $ + * $PostgreSQL: pgsql/src/include/access/gin.h,v 1.20 2008/05/16 16:31:01 tgl Exp $ *-------------------------------------------------------------------------- */ @@ -15,6 +15,7 @@ #include "access/itup.h" #include "access/relscan.h" #include "fmgr.h" +#include "nodes/tidbitmap.h" #include "storage/block.h" #include "storage/buf.h" #include "storage/off.h" @@ -28,7 +29,8 @@ #define GIN_EXTRACTVALUE_PROC 2 #define GIN_EXTRACTQUERY_PROC 3 #define GIN_CONSISTENT_PROC 4 -#define GINNProcs 4 +#define GIN_COMPARE_PARTIAL_PROC 5 +#define GINNProcs 5 /* * Page opaque data in a inverted index page. @@ -141,7 +143,10 @@ typedef struct GinState FmgrInfo extractValueFn; FmgrInfo extractQueryFn; FmgrInfo consistentFn; + FmgrInfo comparePartialFn; /* optional method */ + bool canPartialMatch; /* can opclass perform partial + * match (prefix search)? */ TupleDesc tupdesc; } GinState; @@ -360,6 +365,12 @@ typedef struct GinScanEntryData /* current ItemPointer to heap */ ItemPointerData curItem; + /* partial match support */ + bool isPartialMatch; + TIDBitmap *partialMatch; + TBMIterateResult *partialMatchResult; + StrategyNumber strategy; + /* used for Posting list and one page in Posting tree */ ItemPointerData *list; uint32 nlist; @@ -424,6 +435,7 @@ extern PGDLLIMPORT int GinFuzzySearchLimit; extern Datum gingetbitmap(PG_FUNCTION_ARGS); extern Datum gingettuple(PG_FUNCTION_ARGS); +extern void ginrestartentry(GinScanEntry entry); /* ginvacuum.c */ extern Datum ginbulkdelete(PG_FUNCTION_ARGS); |