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Data Structures | Macros | Typedefs | Functions

block.h File Reference

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Data Structures

struct BlockIdData

Macros

#define InvalidBlockNumber ((BlockNumber) 0xFFFFFFFF)

#define MaxBlockNumber ((BlockNumber) 0xFFFFFFFE)

Typedefs

typedef uint32 BlockNumber

typedef struct BlockIdData BlockIdData

typedef BlockIdData * BlockId

Functions

static bool BlockNumberIsValid (BlockNumber blockNumber)

static void BlockIdSet (BlockIdData *blockId, BlockNumber blockNumber)

static bool BlockIdEquals (const BlockIdData *blockId1, const BlockIdData *blockId2)

static BlockNumber BlockIdGetBlockNumber (const BlockIdData *blockId)

Macro Definition Documentation

◆ InvalidBlockNumber

#define InvalidBlockNumber ((BlockNumber) 0xFFFFFFFF)

Definition at line 33 of file block.h.

◆ MaxBlockNumber

#define MaxBlockNumber ((BlockNumber) 0xFFFFFFFE)

Definition at line 35 of file block.h.

Typedef Documentation

◆ BlockId

typedef BlockIdData* BlockId

Definition at line 59 of file block.h.

◆ BlockIdData

typedef struct BlockIdData BlockIdData

◆ BlockNumber

typedef uint32 BlockNumber

Definition at line 31 of file block.h.

Function Documentation

◆ BlockIdEquals()

static bool BlockIdEquals ( const BlockIdData * blockId1,

const BlockIdData * blockId2

)

inlinestatic

Definition at line 92 of file block.h.

93{

94 return (blockId1->bi_hi == blockId2->bi_hi &&

95 blockId1->bi_lo == blockId2->bi_lo);

96}

BlockIdData::bi_lo

uint16 bi_lo

Definition: block.h:56

BlockIdData::bi_hi

uint16 bi_hi

Definition: block.h:55

References BlockIdData::bi_hi, and BlockIdData::bi_lo.

◆ BlockIdGetBlockNumber()

static BlockNumber BlockIdGetBlockNumber ( const BlockIdData * blockId )

inlinestatic

Definition at line 103 of file block.h.

104{

105 return (((BlockNumber) blockId->bi_hi) << 16) | ((BlockNumber) blockId->bi_lo);

106}

BlockNumber

uint32 BlockNumber

Definition: block.h:31

References BlockIdData::bi_hi, and BlockIdData::bi_lo.

Referenced by gin_check_posting_tree_parent_keys_consistency(), gin_desc(), ginRedoInsert(), and ItemPointerGetBlockNumberNoCheck().

◆ BlockIdSet()

static void BlockIdSet ( BlockIdData * blockId,

BlockNumber blockNumber

)

inlinestatic

Definition at line 81 of file block.h.

82{

83 blockId->bi_hi = blockNumber >> 16;

84 blockId->bi_lo = blockNumber & 0xffff;

85}

References BlockIdData::bi_hi, and BlockIdData::bi_lo.

Referenced by ginPlaceToPage(), ItemPointerSet(), ItemPointerSetBlockNumber(), and ItemPointerSetInvalid().

◆ BlockNumberIsValid()

static bool BlockNumberIsValid ( BlockNumber blockNumber )

inlinestatic

Definition at line 71 of file block.h.

72{

73 return blockNumber != InvalidBlockNumber;

74}

InvalidBlockNumber

#define InvalidBlockNumber

Definition: block.h:33

References InvalidBlockNumber.

Referenced by _bt_getbuf(), _bt_insert_parent(), _bt_insertonpg(), _bt_parallel_release(), _bt_relandgetbuf(), _bt_unlink_halfdead_page(), _hash_addovflpage(), _hash_doinsert(), _hash_finish_split(), _hash_first(), _hash_freeovflpage(), _hash_next(), _hash_readnext(), _hash_readprev(), _hash_splitbucket(), _hash_squeezebucket(), autovac_report_workitem(), BitmapHeapScanNextBlock(), bottomup_sort_and_shrink(), brin_bloom_get_ndistinct(), brinRevmapDesummarizeRange(), bt_child_highkey_check(), btree_xlog_unlink_page(), DropRelationBuffers(), DropRelationsAllBuffers(), entryGetItem(), fsm_does_block_exist(), GetFileBackupMethod(), hash_xlog_add_ovfl_page(), hashbucketcleanup(), heapam_scan_sample_next_block(), main(), pg_truncate_visibility_map(), pg_wal_summary_contents(), PredicateLockPageSplit(), PrefetchBuffer(), PrefetchSharedBuffer(), RelationAddBlocks(), RelationTruncate(), smgr_redo(), smgrDoPendingSyncs(), and vacuum_error_callback().