PostgreSQL Source Code: SnapshotData Struct Reference (original) (raw)

#include <[snapshot.h](snapshot%5F8h%5Fsource.html)>

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
uint64 snapXactCompletionCount

Definition at line 138 of file snapshot.h.

◆ active_count

uint32 SnapshotData::active_count

Definition at line 200 of file snapshot.h.

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

◆ copied

bool SnapshotData::copied

Definition at line 181 of file snapshot.h.

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

◆ curcid

Definition at line 183 of file snapshot.h.

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

◆ ph_node

◆ regd_count

uint32 SnapshotData::regd_count

Definition at line 201 of file snapshot.h.

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

◆ snapshot_type

◆ snapXactCompletionCount

uint64 SnapshotData::snapXactCompletionCount

◆ speculativeToken

uint32 SnapshotData::speculativeToken

◆ suboverflowed

bool SnapshotData::suboverflowed

Definition at line 178 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 177 of file snapshot.h.

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

◆ subxip

Definition at line 176 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 180 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

◆ xcnt

Definition at line 165 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

Definition at line 164 of file snapshot.h.

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

◆ xmax

Definition at line 154 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

Definition at line 153 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: