Ensure ThisTimeLineID is valid before START_REPLICATION

Craig Ringer

diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index 9cf9eb0e4cb4e8260d6605ee4e42400d8b54e50b..dd3a936fc68ffa5ec651ac85da2fe34f9725d9d7 100644 (file)
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -488,6 +488,11 @@ StartReplication(StartReplicationCmd *cmd)
        StringInfoData buf;
        XLogRecPtr      FlushPtr;
 
+       if (ThisTimeLineID == 0)
+               ereport(ERROR,
+                               (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
+                                errmsg("IDENTIFY_SYSTEM has not been run before START_REPLICATION")));
+
        /*
         * We assume here that we're logging enough information in the WAL for
         * log-shipping, since this is checked in PostmasterMain().