diff --git a/s4-funcs.sh b/s4-funcs.sh
index 910cf9e..2d83fea 100755
--- a/s4-funcs.sh
+++ b/s4-funcs.sh
@@ -3149,7 +3149,8 @@
 	CREATE TEMPORARY TABLE _target AS
 	  SELECT b.rowid trowid, b.id
 	    FROM "$2" b JOIN "$2_s" s
-	      ON b.id=s.id AND s.key='owner' AND s.val=$DT_QOWNER;
+	      ON b.id=s.id AND s.key='owner'
+	      ${DT_QOWNER:+ AND s.val=$DT_QOWNER};
 
 	CREATE TEMPORARY TABLE _children AS
 	  SELECT a.trowid trowid, $_i, a.id, s.val ctime
@@ -3211,7 +3212,7 @@
     scols="$scols${scols:+, }b.$as"
   done
 #case author when '$user' then a.rowid else '---' end as ID,
-  if [ -z "DT_SQL" ]; then
+  if [ -n "$DT_SQL" ]; then
     echo "$DT_SQL"
   else
     cat<<-EOF