pgq_node.register_location: NULL location keeps old value

diff --git a/sql/pgq_node/functions/pgq_node.register_location.sql b/sql/pgq_node/functions/pgq_node.register_location.sql
index 0dda32e489aa0c204b82c3bf694e90400f9002d0..aee290f79341240e7f36cbb623aac60bef0474ac 100644 (file)
--- a/sql/pgq_node/functions/pgq_node.register_location.sql
+++ b/sql/pgq_node/functions/pgq_node.register_location.sql
@@ -38,7 +38,7 @@ begin
        and node_name = i_node_name;
     if found then
         update pgq_node.node_location
-           set node_location = i_node_location,
+           set node_location = coalesce(i_node_location, node_location),
                dead = i_dead
          where queue_name = i_queue_name
            and node_name = i_node_name;