block.h File Reference

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Data Structures
struct	BlockIdData

Macros
#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

Macro Definition 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 gin_desc(), and ginRedoInsert().

#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.

Referenced by ginPlaceToPage().

#define BlockNumberIsValid

(

blockNumber

)

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

Definition at line 70 of file block.h.

Referenced by _hash_addovflpage(), _hash_doinsert(), _hash_finish_split(), _hash_first(), _hash_freeovflpage(), _hash_next(), _hash_readnext(), _hash_readprev(), _hash_splitbucket(), _hash_squeezebucket(), autovac_report_workitem(), brin_doupdate(), brinRevmapDesummarizeRange(), btree_xlog_vacuum(), hash_xlog_add_ovfl_page(), hashbucketcleanup(), PredicateLockPageSplit(), PrefetchBuffer(), and tablesample_getnext().

#define InvalidBlockNumber   ((BlockNumber) 0xFFFFFFFF)

Definition at line 33 of file block.h.

Referenced by _bt_first(), _bt_getbuf(), _bt_mark_page_halfdead(), _bt_parallel_advance_array_keys(), _bt_steppage(), _bt_unlink_halfdead_page(), _hash_addovflpage(), _hash_alloc_buckets(), _hash_expandtable(), _hash_freeovflpage(), _hash_getbucketbuf_from_hashkey(), _hash_init_metabuffer(), _hash_initbitmapbuffer(), _hash_initbuf(), _hash_readpage(), blinsert(), BloomNewBuffer(), brin_doupdate(), brin_getinsertbuffer(), brinGetTupleForHeapBlock(), brinRevmapExtend(), bt_check_every_level(), bt_check_level_from_leftmost(), bt_page_stats(), btinitparallelscan(), btparallelrescan(), btree_xlog_mark_page_halfdead(), btree_xlog_unlink_page(), copy_heap_data(), count_nondeletable_pages(), createPostingTree(), doPickSplit(), entryPreparePage(), fsm_extend(), fsm_readbuf(), fsm_search(), GetFreeIndexPage(), ginbulkdelete(), GinDataPageAddPostingItem(), ginFindLeafPage(), ginFindParents(), ginHeapTupleFastInsert(), GinInitMetabuffer(), GinInitPage(), ginInsertCleanup(), ginInsertValue(), GinNewBuffer(), ginPlaceToPage(), ginRedoInsert(), ginRedoInsertEntry(), ginRedoInsertListPage(), ginRedoUpdateMetapage(), ginScanToDelete(), ginUpdateStats(), ginVacuumPostingTreeLeaves(), gistAllocateNewPageBuffer(), gistbeginscan(), gistBufferingFindCorrectParent(), gistbufferinginserttuples(), gistFindCorrectParent(), gistFindPath(), gistGetNodeBuffer(), gistgettuple(), GISTInitBuffer(), gistkillitems(), gistLoadNodeBuffer(), gistNewBuffer(), gistplacetopage(), gistPopItupFromNodeBuffer(), gistProcessItup(), gistRedoPageSplitRecord(), gistRelocateBuildBuffersOnSplit(), gistScanPage(), hash_page_stats(), hash_xlog_add_ovfl_page(), hash_xlog_squeeze_page(), hashbulkdelete(), heap_parallelscan_initialize(), heap_parallelscan_nextpage(), heap_parallelscan_startblock_init(), heapgettup(), heapgettup_pagemode(), IndexBuildHeapRangeScan(), IndexBuildHeapScan(), initscan(), intorel_startup(), makeSublist(), mdextend(), pg_buffercache_pages(), pg_truncate_visibility_map(), pushStackIfSplited(), RelationAddExtraBlocks(), RelationGetBufferForTuple(), RelationTruncate(), revmap_get_blkno(), revmap_get_buffer(), scanGetCandidate(), scanPendingInsert(), shiftList(), smgropen(), spgAddNodeAction(), spgdoinsert(), SpGistGetBuffer(), SpGistInitMetapage(), SpGistNewBuffer(), SpGistSetLastUsedPage(), spgMatchNodeAction(), spgRedoAddNode(), spgRedoPickSplit(), spgRedoVacuumLeaf(), SyncScanShmemInit(), system_nextsampleblock(), system_rows_nextsampleblock(), system_time_nextsampleblock(), tablesample_getnext(), tbm_add_tuples(), transientrel_startup(), vacuumLeafPage(), validate_index_heapscan(), vm_extend(), vm_readbuf(), and writeListPage().

#define MaxBlockNumber   ((BlockNumber) 0xFFFFFFFE)

Definition at line 35 of file block.h.

Referenced by brin_desummarize_range(), pg_freespace(), pg_visibility(), and pg_visibility_map().

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.