PostgreSQL Source Code  git master
Data Fields
SnapshotData Struct Reference

#include <snapshot.h>

Data Fields

SnapshotType snapshot_type
 
TransactionId xmin
 
TransactionId xmax
 
TransactionId * xip
 
uint32 xcnt
 
TransactionId * subxip
 
int32 subxcnt
 
bool suboverflowed
 
bool takenDuringRecovery
 
bool copied
 
CommandId curcid
 
uint32 speculativeToken
 
struct GlobalVisState * vistest
 
uint32 active_count
 
uint32 regd_count
 
pairingheap_node ph_node
 
TimestampTz whenTaken
 
XLogRecPtr lsn
 
uint64 snapXactCompletionCount
 

Detailed Description

Definition at line 142 of file snapshot.h.

Field Documentation

◆ active_count

uint32 SnapshotData::active_count

Definition at line 204 of file snapshot.h.

Referenced by AtSubAbort_Snapshot(), CopySnapshot(), FreeSnapshot(), GetSnapshotData(), GetSnapshotDataReuse(), PopActiveSnapshot(), PushActiveSnapshotWithLevel(), ReorderBufferCopySnap(), RestoreSnapshot(), SnapBuildBuildSnapshot(), SnapBuildFreeSnapshot(), SnapBuildSnapDecRefcount(), SnapBuildSnapIncRefcount(), UnregisterSnapshotNoOwner(), and UpdateActiveSnapshotCommandId().

◆ copied

bool SnapshotData::copied

Definition at line 185 of file snapshot.h.

Referenced by CopySnapshot(), FreeSnapshot(), GetSnapshotData(), GetSnapshotDataReuse(), PushActiveSnapshotWithLevel(), RegisterSnapshotOnOwner(), ReorderBufferCopySnap(), ReorderBufferFreeSnap(), ReorderBufferProcessTXN(), ReorderBufferRestoreChange(), ReorderBufferSaveTXNSnapshot(), ReorderBufferStreamTXN(), RestoreSnapshot(), SnapBuildBuildSnapshot(), SnapBuildFreeSnapshot(), and SnapBuildSnapDecRefcount().

◆ curcid

CommandId SnapshotData::curcid

Definition at line 187 of file snapshot.h.

Referenced by GetSnapshotData(), GetSnapshotDataReuse(), HeapTupleSatisfiesHistoricMVCC(), HeapTupleSatisfiesMVCC(), ReorderBufferCopySnap(), ReorderBufferProcessTXN(), RestoreSnapshot(), SerializeSnapshot(), SnapBuildBuildSnapshot(), SnapBuildFreeSnapshot(), SnapBuildSnapDecRefcount(), SnapshotSetCommandId(), and UpdateActiveSnapshotCommandId().

◆ lsn

XLogRecPtr SnapshotData::lsn

Definition at line 209 of file snapshot.h.

Referenced by GetOldestSnapshot(), GetSnapshotData(), GetSnapshotDataReuse(), init_toast_snapshot(), RestoreSnapshot(), and SerializeSnapshot().

◆ ph_node

pairingheap_node SnapshotData::ph_node

Definition at line 206 of file snapshot.h.

Referenced by AtEOXact_Snapshot(), ExportSnapshot(), GetNonHistoricCatalogSnapshot(), GetTransactionSnapshot(), InvalidateCatalogSnapshot(), RegisterSnapshotOnOwner(), SetTransactionSnapshot(), and UnregisterSnapshotNoOwner().

◆ regd_count

uint32 SnapshotData::regd_count

Definition at line 205 of file snapshot.h.

Referenced by AtEOXact_Snapshot(), AtSubAbort_Snapshot(), CopySnapshot(), ExportSnapshot(), FreeSnapshot(), GetSnapshotData(), GetSnapshotDataReuse(), GetTransactionSnapshot(), PopActiveSnapshot(), RegisterSnapshotOnOwner(), ReorderBufferCopySnap(), RestoreSnapshot(), SetTransactionSnapshot(), SnapBuildBuildSnapshot(), SnapBuildFreeSnapshot(), SnapBuildSnapDecRefcount(), UnregisterSnapshotNoOwner(), and UpdateActiveSnapshotCommandId().

◆ snapshot_type

SnapshotType SnapshotData::snapshot_type

Definition at line 144 of file snapshot.h.

Referenced by EstimateSnapshotSpace(), HeapTupleSatisfiesVisibility(), ImportSnapshot(), RestoreSnapshot(), SnapBuildBuildSnapshot(), SnapBuildFreeSnapshot(), SnapBuildInitialSnapshot(), and SnapBuildSnapDecRefcount().

◆ snapXactCompletionCount

uint64 SnapshotData::snapXactCompletionCount

Definition at line 216 of file snapshot.h.

Referenced by CopySnapshot(), GetSnapshotData(), GetSnapshotDataReuse(), RestoreSnapshot(), SetTransactionSnapshot(), and SnapBuildBuildSnapshot().

◆ speculativeToken

uint32 SnapshotData::speculativeToken

Definition at line 193 of file snapshot.h.

Referenced by _bt_check_unique(), check_exclusion_or_unique_constraint(), and HeapTupleSatisfiesDirty().

◆ suboverflowed

bool SnapshotData::suboverflowed

Definition at line 182 of file snapshot.h.

Referenced by CopySnapshot(), EstimateSnapshotSpace(), ExportSnapshot(), GetSnapshotData(), ImportSnapshot(), RestoreSnapshot(), SerializeSnapshot(), SetTransactionSnapshot(), SnapBuildBuildSnapshot(), SnapBuildFreeSnapshot(), SnapBuildSnapDecRefcount(), and XidInMVCCSnapshot().

◆ subxcnt

int32 SnapshotData::subxcnt

Definition at line 181 of file snapshot.h.

Referenced by CopySnapshot(), EstimateSnapshotSpace(), ExportSnapshot(), GetSnapshotData(), HeapTupleSatisfiesHistoricMVCC(), ImportSnapshot(), ReorderBufferChangeSize(), ReorderBufferCopySnap(), ReorderBufferRestoreChange(), ReorderBufferSerializeChange(), RestoreSnapshot(), SerializeSnapshot(), SetTransactionSnapshot(), SnapBuildBuildSnapshot(), UpdateLogicalMappings(), and XidInMVCCSnapshot().

◆ subxip

TransactionId* SnapshotData::subxip

Definition at line 180 of file snapshot.h.

Referenced by CopySnapshot(), ExportSnapshot(), GetSnapshotData(), HeapTupleSatisfiesHistoricMVCC(), ImportSnapshot(), ReorderBufferCopySnap(), ReorderBufferRestoreChange(), ReorderBufferSerializeChange(), RestoreSnapshot(), SerializeSnapshot(), SetTransactionSnapshot(), SnapBuildBuildSnapshot(), UpdateLogicalMappings(), and XidInMVCCSnapshot().

◆ takenDuringRecovery

bool SnapshotData::takenDuringRecovery

Definition at line 184 of file snapshot.h.

Referenced by CopySnapshot(), EstimateSnapshotSpace(), ExportSnapshot(), GetSnapshotData(), heap_prepare_pagescan(), heapam_scan_sample_next_tuple(), ImportSnapshot(), RestoreSnapshot(), SerializeSnapshot(), SetTransactionSnapshot(), SnapBuildBuildSnapshot(), SnapBuildFreeSnapshot(), SnapBuildSnapDecRefcount(), and XidInMVCCSnapshot().

◆ vistest

struct GlobalVisState* SnapshotData::vistest

Definition at line 199 of file snapshot.h.

Referenced by HeapTupleSatisfiesNonVacuumable().

◆ whenTaken

TimestampTz SnapshotData::whenTaken

Definition at line 208 of file snapshot.h.

Referenced by GetSnapshotData(), GetSnapshotDataReuse(), init_toast_snapshot(), RestoreSnapshot(), and SerializeSnapshot().

◆ xcnt

uint32 SnapshotData::xcnt

Definition at line 169 of file snapshot.h.

Referenced by CopySnapshot(), EstimateSnapshotSpace(), ExportSnapshot(), GetSnapshotData(), HeapTupleSatisfiesHistoricMVCC(), ImportSnapshot(), ReorderBufferChangeSize(), ReorderBufferCopySnap(), ReorderBufferRestoreChange(), ReorderBufferSerializeChange(), RestoreSnapshot(), SerializeSnapshot(), SetTransactionSnapshot(), SnapBuildBuildSnapshot(), SnapBuildExportSnapshot(), SnapBuildInitialSnapshot(), XidInMVCCSnapshot(), and XidIsConcurrent().

◆ xip

TransactionId* SnapshotData::xip

Definition at line 168 of file snapshot.h.

Referenced by CopySnapshot(), ExportSnapshot(), GetSnapshotData(), HeapTupleSatisfiesHistoricMVCC(), ImportSnapshot(), ReorderBufferCopySnap(), ReorderBufferRestoreChange(), ReorderBufferSerializeChange(), RestoreSnapshot(), SerializeSnapshot(), SetTransactionSnapshot(), SnapBuildBuildSnapshot(), SnapBuildInitialSnapshot(), XidInMVCCSnapshot(), and XidIsConcurrent().

◆ xmax

TransactionId SnapshotData::xmax

Definition at line 158 of file snapshot.h.

Referenced by _bt_check_unique(), check_exclusion_or_unique_constraint(), ExportSnapshot(), GetSnapshotData(), heapam_tuple_lock(), HeapTupleSatisfiesDirty(), HeapTupleSatisfiesHistoricMVCC(), ImportSnapshot(), RelationFindReplTupleByIndex(), RelationFindReplTupleSeq(), RestoreSnapshot(), SerializeSnapshot(), SetTransactionSnapshot(), SnapBuildBuildSnapshot(), SnapBuildInitialSnapshot(), XidInMVCCSnapshot(), and XidIsConcurrent().

◆ xmin

TransactionId SnapshotData::xmin

Definition at line 157 of file snapshot.h.

Referenced by _bt_check_unique(), ATExecDetachPartitionFinalize(), bt_check_every_level(), check_exclusion_or_unique_constraint(), DefineIndex(), ExportSnapshot(), GetSerializableTransactionSnapshotInt(), GetSnapshotData(), GetSnapshotDataReuse(), heapam_tuple_lock(), HeapTupleSatisfiesDirty(), HeapTupleSatisfiesHistoricMVCC(), ImportSnapshot(), ReindexRelationConcurrently(), RelationFindReplTupleByIndex(), RelationFindReplTupleSeq(), ReorderBufferGetOldestXmin(), RestoreSnapshot(), SerializeSnapshot(), SetTransactionSnapshot(), SnapBuildBuildSnapshot(), SnapBuildInitialSnapshot(), SnapshotResetXmin(), spgvacuumscan(), verify_heapam(), XidInMVCCSnapshot(), XidIsConcurrent(), and xmin_cmp().

The documentation for this struct was generated from the following file: