diff options
| author | Teodor Sigaev <teodor@sigaev.ru> | 2006-05-10 09:19:54 +0000 |
|---|---|---|
| committer | Teodor Sigaev <teodor@sigaev.ru> | 2006-05-10 09:19:54 +0000 |
| commit | 10dd8df68e6c826186b9900b703051b46ccd6b31 (patch) | |
| tree | 3fc1063bedf9bb467c87ad204fd8b68805402404 /src/include/access/gist_private.h | |
| parent | 12049d343e1aba53b74c68d3f739707343a5e301 (diff) | |
Reduce size of critical section and remove call of user-defined functions in
insertion and deletion, modify gistSplit() to do not use buffers.
TODO: gistvacuumcleanup and XLOG
Diffstat (limited to 'src/include/access/gist_private.h')
| -rw-r--r-- | src/include/access/gist_private.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/include/access/gist_private.h b/src/include/access/gist_private.h index 1bfc90abbce..7e9469f000b 100644 --- a/src/include/access/gist_private.h +++ b/src/include/access/gist_private.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.12 2006/03/30 23:03:10 tgl Exp $ + * $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.13 2006/05/10 09:19:54 teodor Exp $ * *------------------------------------------------------------------------- */ @@ -138,6 +138,8 @@ typedef struct SplitedPageLayout gistxlogPage block; IndexTupleData *list; int lenlist; + IndexTuple itup; /* union key for page */ + Page page; /* to operate */ Buffer buffer; /* to write after all proceed */ struct SplitedPageLayout *next; @@ -234,8 +236,8 @@ extern void freeGISTstate(GISTSTATE *giststate); extern void gistmakedeal(GISTInsertState *state, GISTSTATE *giststate); extern void gistnewroot(Relation r, Buffer buffer, IndexTuple *itup, int len, ItemPointer key); -extern IndexTuple *gistSplit(Relation r, Buffer buffer, IndexTuple *itup, - int *len, SplitedPageLayout **dist, GISTSTATE *giststate); +extern SplitedPageLayout *gistSplit(Relation r, Page page, IndexTuple *itup, + int len, GISTSTATE *giststate); extern GISTInsertStack *gistFindPath(Relation r, BlockNumber child); @@ -261,11 +263,16 @@ extern Datum gistgettuple(PG_FUNCTION_ARGS); extern Datum gistgetmulti(PG_FUNCTION_ARGS); /* gistutil.c */ + +#define GiSTPageSize \ + ( BLCKSZ - SizeOfPageHeaderData - MAXALIGN(sizeof(GISTPageOpaqueData)) ) + +extern bool gistfitpage(IndexTuple *itvec, int len); +extern bool gistnospace(Page page, IndexTuple *itvec, int len, OffsetNumber todelete); extern void gistcheckpage(Relation rel, Buffer buf); extern Buffer gistNewBuffer(Relation r); extern OffsetNumber gistfillbuffer(Relation r, Page page, IndexTuple *itup, int len, OffsetNumber off); -extern bool gistnospace(Page page, IndexTuple *itvec, int len); extern IndexTuple *gistextractbuffer(Buffer buffer, int *len /* out */ ); extern IndexTuple *gistjoinvector( IndexTuple *itvec, int *len, |