diff -r 000000000000 -r 08ec8eefde2f persistentstorage/sqlite3api/TEST/TclScript/tkt2643.test
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/sqlite3api/TEST/TclScript/tkt2643.test	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,39 @@
+# 2007 Sep 12
+#
+# 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 is to test that ticket #2643 has been fixed.
+#
+# $Id: tkt2643.test,v 1.1 2007/09/13 17:54:41 drh Exp $
+#
+
+# The problem in ticket #2643 has to do with the query optimizer
+# making bad assumptions about index cost when data from ANALYZE
+# is available.
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test tkt2643-1.1 {
+  execsql {
+    CREATE TABLE t1(a INTEGER PRIMARY KEY, b UNIQUE, c);
+    INSERT INTO t1 VALUES(1,2,3);
+    INSERT INTO t1 VALUES(2,3,4);
+    ANALYZE;
+  }
+  db close
+  sqlite3 db test.db
+  execsql {
+    CREATE INDEX i1 ON t1(c);
+    SELECT count(*) FROM t1 WHERE c IS NOT NULL
+  }
+} {2}
+
+finish_test