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diff --git a/test/aggnested.test b/test/aggnested.test
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+# 2012 August 23
+#
+# 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.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+# This file implements tests for processing aggregate queries with 
+# subqueries in which the subqueries hold the aggregate functions
+# or in which the subqueries are themselves aggregate queries
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test aggnested-1.1 {
+  db eval {
+    CREATE TABLE t1(a1 INTEGER);
+    INSERT INTO t1 VALUES(1), (2), (3);
+    CREATE TABLE t2(b1 INTEGER);
+    INSERT INTO t2 VALUES(4), (5);
+    SELECT (SELECT group_concat(a1,'x') FROM t2) FROM t1;
+  }
+} {1x2x3}
+do_test aggnested-1.2 {
+  db eval {
+    SELECT
+     (SELECT group_concat(a1,'x') || '-' || group_concat(b1,'y') FROM t2)
+    FROM t1;
+  }
+} {1x2x3-4y5}
+do_test aggnested-1.3 {
+  db eval {
+    SELECT (SELECT group_concat(b1,a1) FROM t2) FROM t1;
+  }
+} {415 425 435}
+do_test aggnested-1.4 {
+  db eval {
+    SELECT (SELECT group_concat(a1,b1) FROM t2) FROM t1;
+  }
+} {151 252 353}
+
+
+# This test case is a copy of the one in
+# http://www.mail-archive.com/sqlite-users@sqlite.org/msg70787.html
+#
+do_test aggnested-2.0 {
+  sqlite3 db2 :memory:
+  db2 eval {
+    CREATE TABLE t1 (A1 INTEGER NOT NULL,A2 INTEGER NOT NULL,A3 INTEGER NOT 
+    NULL,A4 INTEGER NOT NULL,PRIMARY KEY(A1));
+    REPLACE INTO t1 VALUES(1,11,111,1111);
+    REPLACE INTO t1 VALUES(2,22,222,2222);
+    REPLACE INTO t1 VALUES(3,33,333,3333);
+    CREATE TABLE t2 (B1 INTEGER NOT NULL,B2 INTEGER NOT NULL,B3 INTEGER NOT 
+    NULL,B4 INTEGER NOT NULL,PRIMARY KEY(B1));
+    REPLACE INTO t2 VALUES(1,88,888,8888);
+    REPLACE INTO t2 VALUES(2,99,999,9999);
+    SELECT (SELECT GROUP_CONCAT(CASE WHEN a1=1 THEN'A' ELSE 'B' END) FROM t2),
+            t1.* 
+    FROM t1;
+  }
+} {A,B,B 3 33 333 3333}
+db2 close
+
+finish_test