diff options
Diffstat (limited to 'src/include/access/gin.h')
| -rw-r--r-- | src/include/access/gin.h | 123 |
1 files changed, 62 insertions, 61 deletions
diff --git a/src/include/access/gin.h b/src/include/access/gin.h index 366fc370b0..3f814eed73 100644 --- a/src/include/access/gin.h +++ b/src/include/access/gin.h @@ -4,7 +4,7 @@ * * Copyright (c) 2006-2009, PostgreSQL Global Development Group * - * $PostgreSQL: pgsql/src/include/access/gin.h,v 1.33 2009/06/06 02:39:40 tgl Exp $ + * $PostgreSQL: pgsql/src/include/access/gin.h,v 1.34 2009/06/11 14:49:08 momjian Exp $ *-------------------------------------------------------------------------- */ #ifndef GIN_H @@ -29,7 +29,7 @@ /* * Max depth allowed in search tree during bulk inserts. This is to keep from * degenerating to O(N^2) behavior when the tree is unbalanced due to sorted - * or nearly-sorted input. (Perhaps it would be better to use a balanced-tree + * or nearly-sorted input. (Perhaps it would be better to use a balanced-tree * algorithm, but in common cases that would only add useless overhead.) */ #define GIN_MAX_TREE_DEPTH 100 @@ -59,7 +59,7 @@ typedef GinPageOpaqueData *GinPageOpaque; #define GIN_DELETED (1 << 2) #define GIN_META (1 << 3) #define GIN_LIST (1 << 4) -#define GIN_LIST_FULLROW (1 << 5) /* makes sense only on GIN_LIST page */ +#define GIN_LIST_FULLROW (1 << 5) /* makes sense only on GIN_LIST page */ /* Page numbers of fixed-location pages */ #define GIN_METAPAGE_BLKNO (0) @@ -72,20 +72,20 @@ typedef struct GinMetaPageData * pages. These store fast-inserted entries that haven't yet been moved * into the regular GIN structure. */ - BlockNumber head; - BlockNumber tail; + BlockNumber head; + BlockNumber tail; /* * Free space in bytes in the pending list's tail page. */ - uint32 tailFreeSize; + uint32 tailFreeSize; /* - * We store both number of pages and number of heap tuples - * that are in the pending list. + * We store both number of pages and number of heap tuples that are in the + * pending list. */ - BlockNumber nPendingPages; - int64 nPendingHeapTuples; + BlockNumber nPendingPages; + int64 nPendingHeapTuples; } GinMetaPageData; #define GinPageGetMeta(p) \ @@ -175,7 +175,7 @@ typedef struct #define GinDataPageGetRightBound(page) ((ItemPointer) PageGetContents(page)) #define GinDataPageGetData(page) \ (PageGetContents(page) + MAXALIGN(sizeof(ItemPointerData))) -#define GinSizeOfItem(page) \ +#define GinSizeOfItem(page) \ (GinPageIsLeaf(page) ? sizeof(ItemPointerData) : sizeof(PostingItem)) #define GinDataPageGetItem(page,i) \ (GinDataPageGetData(page) + ((i)-1) * GinSizeOfItem(page)) @@ -190,18 +190,18 @@ typedef struct * List pages */ #define GinListPageSize \ - ( BLCKSZ - SizeOfPageHeaderData - MAXALIGN(sizeof(GinPageOpaqueData)) ) + ( BLCKSZ - SizeOfPageHeaderData - MAXALIGN(sizeof(GinPageOpaqueData)) ) /* * Storage type for GIN's reloptions */ typedef struct GinOptions { - int32 vl_len_; /* varlena header (do not touch directly!) */ + int32 vl_len_; /* varlena header (do not touch directly!) */ bool useFastUpdate; /* use fast updates? */ } GinOptions; -#define GIN_DEFAULT_USE_FASTUPDATE true +#define GIN_DEFAULT_USE_FASTUPDATE true #define GinGetUseFastUpdate(relation) \ ((relation)->rd_options ? \ ((GinOptions *) (relation)->rd_options)->useFastUpdate : GIN_DEFAULT_USE_FASTUPDATE) @@ -217,14 +217,15 @@ typedef struct GinState FmgrInfo extractValueFn[INDEX_MAX_KEYS]; FmgrInfo extractQueryFn[INDEX_MAX_KEYS]; FmgrInfo consistentFn[INDEX_MAX_KEYS]; - FmgrInfo comparePartialFn[INDEX_MAX_KEYS]; /* optional method */ + FmgrInfo comparePartialFn[INDEX_MAX_KEYS]; /* optional method */ - bool canPartialMatch[INDEX_MAX_KEYS]; /* can opclass perform partial - * match (prefix search)? */ + bool canPartialMatch[INDEX_MAX_KEYS]; /* can opclass perform + * partial match (prefix + * search)? */ - TupleDesc tupdesc[INDEX_MAX_KEYS]; - TupleDesc origTupdesc; - bool oneCol; + TupleDesc tupdesc[INDEX_MAX_KEYS]; + TupleDesc origTupdesc; + bool oneCol; } GinState; /* XLog stuff */ @@ -309,13 +310,13 @@ typedef struct ginxlogDeletePage typedef struct ginxlogUpdateMeta { - RelFileNode node; + RelFileNode node; GinMetaPageData metadata; - BlockNumber prevTail; - BlockNumber newRightlink; - int32 ntuples; /* if ntuples > 0 then metadata.tail was updated - * with that many tuples; else new sub list was - * inserted */ + BlockNumber prevTail; + BlockNumber newRightlink; + int32 ntuples; /* if ntuples > 0 then metadata.tail was + * updated with that many tuples; else new sub + * list was inserted */ /* array of inserted tuples follows */ } ginxlogUpdateMeta; @@ -323,10 +324,10 @@ typedef struct ginxlogUpdateMeta typedef struct ginxlogInsertListPage { - RelFileNode node; - BlockNumber blkno; - BlockNumber rightlink; - int32 ntuples; + RelFileNode node; + BlockNumber blkno; + BlockNumber rightlink; + int32 ntuples; /* array of inserted tuples follows */ } ginxlogInsertListPage; @@ -335,10 +336,10 @@ typedef struct ginxlogInsertListPage #define GIN_NDELETE_AT_ONCE 16 typedef struct ginxlogDeleteListPages { - RelFileNode node; + RelFileNode node; GinMetaPageData metadata; - int32 ndeleted; - BlockNumber toDelete[GIN_NDELETE_AT_ONCE]; + int32 ndeleted; + BlockNumber toDelete[GIN_NDELETE_AT_ONCE]; } ginxlogDeleteListPages; @@ -350,8 +351,8 @@ extern void GinInitBuffer(Buffer b, uint32 f); extern void GinInitPage(Page page, uint32 f, Size pageSize); extern void GinInitMetabuffer(Buffer b); extern int compareEntries(GinState *ginstate, OffsetNumber attnum, Datum a, Datum b); -extern int compareAttEntries(GinState *ginstate, OffsetNumber attnum_a, Datum a, - OffsetNumber attnum_b, Datum b); +extern int compareAttEntries(GinState *ginstate, OffsetNumber attnum_a, Datum a, + OffsetNumber attnum_b, Datum b); extern Datum *extractEntriesS(GinState *ginstate, OffsetNumber attnum, Datum value, int32 *nentries, bool *needUnique); extern Datum *extractEntriesSU(GinState *ginstate, OffsetNumber attnum, Datum value, int32 *nentries); @@ -363,9 +364,9 @@ extern OffsetNumber gintuple_get_attrnum(GinState *ginstate, IndexTuple tuple); extern Datum ginbuild(PG_FUNCTION_ARGS); extern Datum gininsert(PG_FUNCTION_ARGS); extern void ginEntryInsert(Relation index, GinState *ginstate, - OffsetNumber attnum, Datum value, - ItemPointerData *items, uint32 nitem, - bool isBuild); + OffsetNumber attnum, Datum value, + ItemPointerData *items, uint32 nitem, + bool isBuild); /* ginxlog.c */ extern void gin_redo(XLogRecPtr lsn, XLogRecord *record); @@ -413,7 +414,7 @@ typedef struct GinBtreeData BlockNumber rightblkno; /* Entry options */ - OffsetNumber entryAttnum; + OffsetNumber entryAttnum; Datum entryValue; IndexTuple entry; bool isDelete; @@ -434,10 +435,10 @@ extern void findParents(GinBtree btree, GinBtreeStack *stack, BlockNumber rootBl /* ginentrypage.c */ extern IndexTuple GinFormTuple(GinState *ginstate, OffsetNumber attnum, Datum key, - ItemPointerData *ipd, uint32 nipd); + ItemPointerData *ipd, uint32 nipd); extern void GinShortenTuple(IndexTuple itup, uint32 nipd); extern void prepareEntryScan(GinBtree btree, Relation index, OffsetNumber attnum, - Datum value, GinState *ginstate); + Datum value, GinState *ginstate); extern void entryFillRoot(GinBtree btree, Buffer root, Buffer lbuf, Buffer rbuf); extern IndexTuple ginPageGetLinkItup(Buffer buf); @@ -481,8 +482,8 @@ typedef struct GinScanEntryData /* entry, got from extractQueryFn */ Datum entry; - OffsetNumber attnum; - Pointer extra_data; + OffsetNumber attnum; + Pointer extra_data; /* Current page in posting tree */ Buffer buffer; @@ -499,8 +500,8 @@ typedef struct GinScanEntryData /* used for Posting list and one page in Posting tree */ ItemPointerData *list; - uint32 nlist; - OffsetNumber offset; + uint32 nlist; + OffsetNumber offset; bool isFinished; bool reduceResult; @@ -517,12 +518,12 @@ typedef struct GinScanKeyData /* array of scans per entry */ GinScanEntry scanEntry; - Pointer *extra_data; + Pointer *extra_data; /* for calling consistentFn(GinScanKey->entryRes, strategy, query) */ StrategyNumber strategy; Datum query; - OffsetNumber attnum; + OffsetNumber attnum; ItemPointerData curItem; bool firstCall; @@ -568,12 +569,12 @@ extern Datum ginarrayconsistent(PG_FUNCTION_ARGS); /* ginbulk.c */ typedef struct EntryAccumulator { - OffsetNumber attnum; - Datum value; - uint32 length; - uint32 number; + OffsetNumber attnum; + Datum value; + uint32 length; + uint32 number; ItemPointerData *list; - bool shouldSort; + bool shouldSort; struct EntryAccumulator *left; struct EntryAccumulator *right; } EntryAccumulator; @@ -601,18 +602,18 @@ extern ItemPointerData *ginGetEntry(BuildAccumulator *accum, OffsetNumber *attnu typedef struct GinTupleCollector { - IndexTuple *tuples; - uint32 ntuples; - uint32 lentuples; - uint32 sumsize; + IndexTuple *tuples; + uint32 ntuples; + uint32 lentuples; + uint32 sumsize; } GinTupleCollector; extern void ginHeapTupleFastInsert(Relation index, GinState *ginstate, - GinTupleCollector *collector); + GinTupleCollector *collector); extern uint32 ginHeapTupleFastCollect(Relation index, GinState *ginstate, - GinTupleCollector *collector, - OffsetNumber attnum, Datum value, ItemPointer item); + GinTupleCollector *collector, + OffsetNumber attnum, Datum value, ItemPointer item); extern void ginInsertCleanup(Relation index, GinState *ginstate, - bool vac_delay, IndexBulkDeleteResult *stats); + bool vac_delay, IndexBulkDeleteResult *stats); -#endif /* GIN_H */ +#endif /* GIN_H */ |