diff options
Diffstat (limited to 'src/include/replication/worker_internal.h')
| -rw-r--r-- | src/include/replication/worker_internal.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/include/replication/worker_internal.h b/src/include/replication/worker_internal.h index 30b2775952c..7c0204dd6f4 100644 --- a/src/include/replication/worker_internal.h +++ b/src/include/replication/worker_internal.h @@ -86,6 +86,17 @@ typedef struct LogicalRepWorker /* Indicates whether apply can be performed in parallel. */ bool parallel_apply; + /* + * Changes made by this transaction and subsequent ones must be preserved. + * This ensures that update_deleted conflicts can be accurately detected + * during the apply phase of logical replication by this worker. + * + * The logical replication launcher manages an internal replication slot + * named "pg_conflict_detection". It asynchronously collects this ID to + * decide when to advance the xmin value of the slot. + */ + TransactionId oldest_nonremovable_xid; + /* Stats. */ XLogRecPtr last_lsn; TimestampTz last_send_time; @@ -245,7 +256,8 @@ extern List *logicalrep_workers_find(Oid subid, bool only_running, extern bool logicalrep_worker_launch(LogicalRepWorkerType wtype, Oid dbid, Oid subid, const char *subname, Oid userid, Oid relid, - dsm_handle subworker_dsm); + dsm_handle subworker_dsm, + bool retain_dead_tuples); extern void logicalrep_worker_stop(Oid subid, Oid relid); extern void logicalrep_pa_worker_stop(ParallelApplyWorkerInfo *winfo); extern void logicalrep_worker_wakeup(Oid subid, Oid relid); |