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diff --git a/test/tkt3121.test b/test/tkt3121.test
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+# 2008 May 16
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# $Id: tkt3121.test,v 1.2 2008/07/12 14:52:21 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !vtab {
+  finish_test
+  return
+}
+
+# Register the module
+register_echo_module [sqlite3_connection_pointer db]
+
+do_test vtabD-1.1 {
+  execsql {
+    PRAGMA encoding = 'utf16';
+
+    CREATE TABLE r1(field);
+    CREATE TABLE r2(col PRIMARY KEY, descr);
+
+    INSERT INTO r1 VALUES('abcd');
+    INSERT INTO r2 VALUES('abcd', 'A nice description');
+    INSERT INTO r2 VALUES('efgh', 'Another description');
+
+    CREATE VIRTUAL TABLE t1 USING echo(r1);
+    CREATE VIRTUAL TABLE t2 USING echo(r2);
+  }
+} {}
+
+do_test vtabD-1.2 {
+  execsql {
+    select
+      t1.field as Field,
+      t2.descr as Descr
+    from t1 inner join t2 on t1.field = t2.col order by t1.field
+  }
+} {abcd {A nice description}}
+
+finish_test