diff options
Diffstat (limited to 'src/backend/replication/logical/logicalfuncs.c')
| -rw-r--r-- | src/backend/replication/logical/logicalfuncs.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/backend/replication/logical/logicalfuncs.c b/src/backend/replication/logical/logicalfuncs.c index a1ff631e5ed..b4dd5cce75b 100644 --- a/src/backend/replication/logical/logicalfuncs.c +++ b/src/backend/replication/logical/logicalfuncs.c @@ -105,6 +105,7 @@ pg_logical_slot_get_changes_guts(FunctionCallInfo fcinfo, bool confirm, bool bin MemoryContext per_query_ctx; MemoryContext oldcontext; XLogRecPtr end_of_wal; + XLogRecPtr wait_for_wal_lsn; LogicalDecodingContext *ctx; ResourceOwner old_resowner = CurrentResourceOwner; ArrayType *arr; @@ -224,6 +225,17 @@ pg_logical_slot_get_changes_guts(FunctionCallInfo fcinfo, bool confirm, bool bin NameStr(MyReplicationSlot->data.plugin), format_procedure(fcinfo->flinfo->fn_oid)))); + /* + * Wait for specified streaming replication standby servers (if any) + * to confirm receipt of WAL up to wait_for_wal_lsn. + */ + if (XLogRecPtrIsInvalid(upto_lsn)) + wait_for_wal_lsn = end_of_wal; + else + wait_for_wal_lsn = Min(upto_lsn, end_of_wal); + + WaitForStandbyConfirmation(wait_for_wal_lsn); + ctx->output_writer_private = p; /* |