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Diffstat (limited to 'src/include/access/brin.h')
| -rw-r--r-- | src/include/access/brin.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/include/access/brin.h b/src/include/access/brin.h new file mode 100644 index 00000000000..a522c2062b9 --- /dev/null +++ b/src/include/access/brin.h @@ -0,0 +1,52 @@ +/* + * AM-callable functions for BRIN indexes + * + * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * IDENTIFICATION + * src/include/access/brin.h + */ +#ifndef BRIN_H +#define BRIN_H + +#include "fmgr.h" +#include "nodes/execnodes.h" +#include "utils/relcache.h" + + +/* + * prototypes for functions in brin.c (external entry points for BRIN) + */ +extern Datum brinbuild(PG_FUNCTION_ARGS); +extern Datum brinbuildempty(PG_FUNCTION_ARGS); +extern Datum brininsert(PG_FUNCTION_ARGS); +extern Datum brinbeginscan(PG_FUNCTION_ARGS); +extern Datum bringettuple(PG_FUNCTION_ARGS); +extern Datum bringetbitmap(PG_FUNCTION_ARGS); +extern Datum brinrescan(PG_FUNCTION_ARGS); +extern Datum brinendscan(PG_FUNCTION_ARGS); +extern Datum brinmarkpos(PG_FUNCTION_ARGS); +extern Datum brinrestrpos(PG_FUNCTION_ARGS); +extern Datum brinbulkdelete(PG_FUNCTION_ARGS); +extern Datum brinvacuumcleanup(PG_FUNCTION_ARGS); +extern Datum brincanreturn(PG_FUNCTION_ARGS); +extern Datum brincostestimate(PG_FUNCTION_ARGS); +extern Datum brinoptions(PG_FUNCTION_ARGS); + +/* + * Storage type for BRIN's reloptions + */ +typedef struct BrinOptions +{ + int32 vl_len_; /* varlena header (do not touch directly!) */ + BlockNumber pagesPerRange; +} BrinOptions; + +#define BRIN_DEFAULT_PAGES_PER_RANGE 128 +#define BrinGetPagesPerRange(relation) \ + ((relation)->rd_options ? \ + ((BrinOptions *) (relation)->rd_options)->pagesPerRange : \ + BRIN_DEFAULT_PAGES_PER_RANGE) + +#endif /* BRIN_H */ |