block.h File Reference

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Data Structures
struct	BlockIdData
Defines
#define	InvalidBlockNumber   ((BlockNumber) 0xFFFFFFFF)
#define	MaxBlockNumber   ((BlockNumber) 0xFFFFFFFE)
#define	BlockNumberIsValid(blockNumber)   ((bool) ((BlockNumber) (blockNumber) != InvalidBlockNumber))
#define	BlockIdIsValid(blockId)   ((bool) PointerIsValid(blockId))
#define	BlockIdSet(blockId, blockNumber)
#define	BlockIdCopy(toBlockId, fromBlockId)
#define	BlockIdEquals(blockId1, blockId2)
#define	BlockIdGetBlockNumber(blockId)
Typedefs
typedef uint32	BlockNumber
typedef struct BlockIdData	BlockIdData
typedef BlockIdData *	BlockId

---

Define Documentation

#define BlockIdCopy	(		toBlockId,
			fromBlockId
	)

Value:

( \
    AssertMacro(PointerIsValid(toBlockId)), \
    AssertMacro(PointerIsValid(fromBlockId)), \
    (toBlockId)->bi_hi = (fromBlockId)->bi_hi, \
    (toBlockId)->bi_lo = (fromBlockId)->bi_lo \
)

Definition at line 95 of file block.h.

#define BlockIdEquals	(		blockId1,
			blockId2
	)

Value:

((blockId1)->bi_hi == (blockId2)->bi_hi && \
     (blockId1)->bi_lo == (blockId2)->bi_lo)

Definition at line 107 of file block.h.

#define BlockIdGetBlockNumber

(

blockId

)

Value:

( \
    AssertMacro(BlockIdIsValid(blockId)), \
    (BlockNumber) (((blockId)->bi_hi << 16) | ((uint16) (blockId)->bi_lo)) \
)

Definition at line 115 of file block.h.

Referenced by bt_page_items(), btree_xlog_split(), ItemPointerCompare(), pgstat_heap(), tidout(), and tidsend().

#define BlockIdIsValid

(

blockId

)

((bool) PointerIsValid(blockId))

Definition at line 77 of file block.h.

#define BlockIdSet	(		blockId,
			blockNumber
	)

Value:

( \
    AssertMacro(PointerIsValid(blockId)), \
    (blockId)->bi_hi = (blockNumber) >> 16, \
    (blockId)->bi_lo = (blockNumber) & 0xffff \
)

Definition at line 84 of file block.h.

#define BlockNumberIsValid

(

blockNumber

)

((bool) ((BlockNumber) (blockNumber) != InvalidBlockNumber))

Definition at line 70 of file block.h.

Referenced by _hash_addovflpage(), _hash_doinsert(), _hash_first(), _hash_freeovflpage(), _hash_readnext(), _hash_readprev(), _hash_splitbucket(), _hash_squeezebucket(), ginInsertValue(), gistRedoPageSplitRecord(), gistRedoPageUpdateRecord(), hashbulkdelete(), PredicateLockPageSplit(), and PrefetchBuffer().

#define InvalidBlockNumber   ((BlockNumber) 0xFFFFFFFF)

Definition at line 33 of file block.h.

Referenced by _bt_getbuf(), _hash_alloc_buckets(), addLeafTuple(), copy_heap_data(), dataPlaceToPage(), dataPrepareData(), doPickSplit(), entryGetNextItem(), entryPlaceToPage(), entryPreparePage(), fsm_extend(), fsm_readbuf(), GetFreeIndexPage(), ginbulkdelete(), ginDeletePage(), ginFindLeafPage(), ginFindParents(), ginHeapTupleFastInsert(), ginInsertCleanup(), ginInsertValue(), GinNewBuffer(), ginRedoDeletePage(), ginRedoInsert(), ginRedoInsertListPage(), ginRedoSplit(), ginRedoUpdateMetapage(), ginScanToDelete(), gistBufferingFindCorrectParent(), gistbufferinginserttuples(), gistFindCorrectParent(), gistFindPath(), gistNewBuffer(), gistPopItupFromNodeBuffer(), gistProcessItup(), gistScanPage(), intorel_startup(), makeSublist(), mdextend(), pg_buffercache_pages(), pushStackIfSplited(), RelationGetBufferForTuple(), scanGetCandidate(), scanPendingInsert(), shiftList(), spgAddNodeAction(), spgdoinsert(), SpGistGetBuffer(), SpGistInitMetapage(), SpGistNewBuffer(), SpGistSetLastUsedPage(), spgRedoAddLeaf(), spgRedoAddNode(), spgRedoPickSplit(), spgRedoVacuumLeaf(), transientrel_startup(), vacuumLeafPage(), vm_extend(), vm_readbuf(), and writeListPage().

#define MaxBlockNumber   ((BlockNumber) 0xFFFFFFFE)

Definition at line 35 of file block.h.

Referenced by pg_freespace().

---

Typedef Documentation

typedef BlockIdData* BlockId

Definition at line 59 of file block.h.

typedef struct BlockIdData BlockIdData

typedef uint32 BlockNumber

Definition at line 31 of file block.h.