diff options
Diffstat (limited to 'contrib/bloom/bloom.h')
| -rw-r--r-- | contrib/bloom/bloom.h | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/contrib/bloom/bloom.h b/contrib/bloom/bloom.h index c6091a8dd66..bc451a00dbe 100644 --- a/contrib/bloom/bloom.h +++ b/contrib/bloom/bloom.h @@ -31,14 +31,13 @@ /* Opaque for bloom pages */ typedef struct BloomPageOpaqueData { - OffsetNumber maxoff; /* number of index tuples on page */ - uint16 flags; /* see bit definitions below */ - uint16 unused; /* placeholder to force maxaligning of size - * of BloomPageOpaqueData and to place - * bloom_page_id exactly at the end of page - */ - uint16 bloom_page_id; /* for identification of BLOOM indexes */ -} BloomPageOpaqueData; + OffsetNumber maxoff; /* number of index tuples on page */ + uint16 flags; /* see bit definitions below */ + uint16 unused; /* placeholder to force maxaligning of size of + * BloomPageOpaqueData and to place + * bloom_page_id exactly at the end of page */ + uint16 bloom_page_id; /* for identification of BLOOM indexes */ +} BloomPageOpaqueData; typedef BloomPageOpaqueData *BloomPageOpaque; @@ -102,9 +101,9 @@ typedef struct BloomOptions { int32 vl_len_; /* varlena header (do not touch directly!) */ int bloomLength; /* length of signature in words (not bits!) */ - int bitSize[INDEX_MAX_KEYS]; /* # of bits generated for each - * index key */ -} BloomOptions; + int bitSize[INDEX_MAX_KEYS]; /* # of bits generated for + * each index key */ +} BloomOptions; /* * FreeBlockNumberArray - array of block numbers sized so that metadata fill @@ -125,7 +124,7 @@ typedef struct BloomMetaPageData uint16 nEnd; BloomOptions opts; FreeBlockNumberArray notFullPage; -} BloomMetaPageData; +} BloomMetaPageData; /* Magic number to distinguish bloom pages among anothers */ #define BLOOM_MAGICK_NUMBER (0xDBAC0DED) @@ -146,7 +145,7 @@ typedef struct BloomState * precompute it */ Size sizeOfBloomTuple; -} BloomState; +} BloomState; #define BloomPageGetFreeSpace(state, page) \ (BLCKSZ - MAXALIGN(SizeOfPageHeaderData) \ @@ -160,30 +159,30 @@ typedef struct BloomTuple { ItemPointerData heapPtr; BloomSignatureWord sign[FLEXIBLE_ARRAY_MEMBER]; -} BloomTuple; +} BloomTuple; #define BLOOMTUPLEHDRSZ offsetof(BloomTuple, sign) /* Opaque data structure for bloom index scan */ typedef struct BloomScanOpaqueData { - BloomSignatureWord *sign; /* Scan signature */ + BloomSignatureWord *sign; /* Scan signature */ BloomState state; -} BloomScanOpaqueData; +} BloomScanOpaqueData; typedef BloomScanOpaqueData *BloomScanOpaque; /* blutils.c */ extern void _PG_init(void); extern Datum blhandler(PG_FUNCTION_ARGS); -extern void initBloomState(BloomState * state, Relation index); +extern void initBloomState(BloomState *state, Relation index); extern void BloomFillMetapage(Relation index, Page metaPage); extern void BloomInitMetapage(Relation index); extern void BloomInitPage(Page page, uint16 flags); extern Buffer BloomNewBuffer(Relation index); -extern void signValue(BloomState * state, BloomSignatureWord * sign, Datum value, int attno); -extern BloomTuple *BloomFormTuple(BloomState * state, ItemPointer iptr, Datum *values, bool *isnull); -extern bool BloomPageAddItem(BloomState * state, Page page, BloomTuple * tuple); +extern void signValue(BloomState *state, BloomSignatureWord *sign, Datum value, int attno); +extern BloomTuple *BloomFormTuple(BloomState *state, ItemPointer iptr, Datum *values, bool *isnull); +extern bool BloomPageAddItem(BloomState *state, Page page, BloomTuple *tuple); /* blvalidate.c */ extern bool blvalidate(Oid opclassoid); |