Contains information about all transactions executed on a current server. It is safe to truncate or drop this table at any time. Columns:Documentation Index
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hostname(LowCardinality(String)) — The hostname where transaction was executed.type(Enum8(‘Begin’ = 1, ‘Commit’ = 2, ‘Rollback’ = 3, ‘AddPart’ = 10, ‘LockPart’ = 11, ‘UnlockPart’ = 12)) — The type of the transaction. Possible values: Begin, Commit, Rollback, AddPart, LockPart, UnlockPart.event_date(Date) — Date of the entry.event_time(DateTime64(6)) — Time of the entrythread_id(UInt64) — The identifier of a thread.query_id(String) — The ID of a query executed in a scope of transaction.tid(Tuple(UInt64, UInt64, UUID)) — The identifier of a transaction.tid_hash(UInt64) — The hash of the identifier.csn(UInt64) — The Commit Sequence Numberdatabase(String) — The name of the database the transaction was executed against.table(String) — The name of the table the transaction was executed against.uuid(UUID) — The uuid of the table the transaction was executed against.part(String) — The name of the part participated in the transaction.