Fix column name error

pgsql-schema.sql

@@ -163,7 +163,7 @@ CREATE OR REPLACE FUNCTION DELETE_CT_FLOW(
         )
 RETURNS void AS $$
   -- remember : table with most constraints first
-  DELETE FROM ulog2_ct WHERE ulog2_ct._ct_id = $1;
+  DELETE FROM ulog2_ct WHERE ulog2_ct.ct_id = $1;
 $$ LANGUAGE SQL SECURITY INVOKER;