Index: trunk/ippTools/share/disttool_definebyquery_stack.sql
===================================================================
--- trunk/ippTools/share/disttool_definebyquery_stack.sql	(revision 23765)
+++ trunk/ippTools/share/disttool_definebyquery_stack.sql	(revision 23968)
@@ -3,5 +3,5 @@
     stackRun.stack_id AS stage_id,
     -- run tag in the form 'stack.$skycell_id.$stack_id'
-    CONCAT('stack.', stackRun.skycell_id, '.', convert(stackRun.stack_id, CHAR)) as run_tag,
+    CONCAT_WS('.', 'stack', stackRun.skycell_id, convert(stackRun.stack_id, CHAR)) as run_tag,
     rawExp.obs_mode,
     distTarget.target_id,