Index: test/btree02.test
==================================================================
--- test/btree02.test
+++ test/btree02.test
@@ -19,36 +19,44 @@
 
 load_static_extension db eval
 do_execsql_test btree02-100 {
   CREATE TABLE t1(a TEXT, ax INTEGER, b INT, PRIMARY KEY(a,ax)) WITHOUT ROWID;
   WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<10)
-    INSERT INTO t1(a,ax,b) SELECT printf('%02x',i), random(), i FROM c;
+    INSERT INTO t1(a,ax,b) SELECT printf('%02x',i+160), random(), i FROM c;
   CREATE INDEX t1a ON t1(a);
   CREATE TABLE t2(x,y);
   CREATE TABLE t3(cnt);
   WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<4)
     INSERT INTO t3(cnt) SELECT i FROM c;
   SELECT count(*) FROM t1;
 } {10}
+
+proc showt1 {} {
+  puts -nonewline "t1: "
+  puts [db eval {SELECT printf('(%s,%s)',quote(a),quote(b)) FROM t1}]
+}
+
 do_test btree02-110 {
   db eval BEGIN
   set i 0
+  # showt1
   db eval {SELECT a, ax, b, cnt FROM t1 CROSS JOIN t3 WHERE b IS NOT NULL} {
-    if {$a==""} {set a 0}
-    if {$b==""} {set b 0}    
+    if {$a==""} continue
     db eval {INSERT INTO t2(x,y) VALUES($b,$cnt)}
     # puts "a,b,cnt = ($a,$b,$cnt)"
     incr i
     if {$i%2==1} {
       set bx [expr {$b+1000}]
-      # puts "INSERT ($a),$bx"
+      #  puts "INSERT ($a),$bx"
       db eval {INSERT INTO t1(a,ax,b) VALUES(printf('(%s)',$a),random(),$bx)}
+      # showt1
     } else {
       # puts "DELETE a=$a"
       db eval {DELETE FROM t1 WHERE a=$a}
+      # showt1
     }
     db eval {COMMIT; BEGIN}
   }  
   db one {COMMIT; SELECT count(*) FROM t1;}
-} {27}
+} {10}
 
 finish_test