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Further GIN refactoring.

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Merge some functions that were always called together. Makes the code
little bit more readable.
This commit is contained in:
Heikki Linnakangas
2013-11-20 16:09:14 +02:00
parent b21de4e7b3
commit 04965ad40e
6 changed files with 77 additions and 128 deletions
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19
src/include/access/gin_private.h
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@@ -479,18 +479,17 @@ typedef struct GinBtreeData
{
/* search methods */
BlockNumber (*findChildPage) (GinBtree, GinBtreeStack *);
BlockNumber (*getLeftMostChild) (GinBtree, Page);
bool (*isMoveRight) (GinBtree, Page);
bool (*findItem) (GinBtree, GinBtreeStack *);
/* insert methods */
OffsetNumber (*findChildPtr) (GinBtree, Page, BlockNumber, OffsetNumber);
BlockNumber (*getLeftMostPage) (GinBtree, Page);
bool (*placeToPage) (GinBtree, Buffer, OffsetNumber, XLogRecData **);
Page (*splitPage) (GinBtree, Buffer, Buffer, OffsetNumber, XLogRecData **);
void (*fillRoot) (GinBtree, Buffer, Buffer, Buffer);
bool isData;
bool searchMode;
Relation index;
GinState *ginstate; /* not valid in a data scan */
@@ -514,8 +513,7 @@ typedef struct GinBtreeData
PostingItem pitem;
} GinBtreeData;
extern GinBtreeStack *ginPrepareFindLeafPage(GinBtree btree, BlockNumber blkno);
extern GinBtreeStack *ginFindLeafPage(GinBtree btree, GinBtreeStack *stack);
extern GinBtreeStack *ginFindLeafPage(GinBtree btree, BlockNumber rootBlkno, bool searchMode);
extern Buffer ginStepRight(Buffer buffer, Relation index, int lockmode);
extern void freeGinBtreeStack(GinBtreeStack *stack);
extern void ginInsertValue(GinBtree btree, GinBtreeStack *stack,
@@ -540,19 +538,10 @@ extern BlockNumber createPostingTree(Relation index,
extern void GinDataPageAddItemPointer(Page page, ItemPointer data, OffsetNumber offset);
extern void GinDataPageAddPostingItem(Page page, PostingItem *data, OffsetNumber offset);
extern void GinPageDeletePostingItem(Page page, OffsetNumber offset);
typedef struct
{
GinBtreeData btree;
GinBtreeStack *stack;
} GinPostingTreeScan;
extern GinPostingTreeScan *ginPrepareScanPostingTree(Relation index,
BlockNumber rootBlkno, bool searchMode);
extern void ginInsertItemPointers(GinPostingTreeScan *gdi,
extern void ginInsertItemPointers(Relation index, BlockNumber rootBlkno,
ItemPointerData *items, uint32 nitem,
GinStatsData *buildStats);
extern Buffer ginScanBeginPostingTree(GinPostingTreeScan *gdi);
extern GinBtreeStack *ginScanBeginPostingTree(Relation index, BlockNumber rootBlkno);
extern void ginDataFillRoot(GinBtree btree, Buffer root, Buffer lbuf, Buffer rbuf);
extern void ginPrepareDataScan(GinBtree btree, Relation index);