Fix for ticket #105: Fix the UPDATE command so that it works properly with

indexed tables when there is a subquery in the WHERE clause.  Add tests
to verify correct operation. (CVS 680)

FossilOrigin-Name: bbca16f88d00cd33ac7229edf3ee4623eff6e62f

test/update.test

@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this file is testing the UPDATE statement.
 #
-# $Id: update.test,v 1.9 2002/05/21 12:56:44 drh Exp $
+# $Id: update.test,v 1.10 2002/07/16 17:22:51 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -480,4 +480,19 @@ do_test update-10.10 {
   }
 } {0 {1 2 3 4 13 6 2 3 4 4 6 7}}
 
+# Make sure we can handle a subquery in the where clause.
+#
+do_test update-11.1 {
+  execsql {
+    UPDATE t1 SET e=e+1 WHERE b IN (SELECT b FROM t1);
+    SELECT b,e FROM t1;
+  }
+} {2 14 3 7}
+do_test update-11.2 {
+  execsql {
+    UPDATE t1 SET e=e+1 WHERE a IN (SELECT a FROM t1);
+    SELECT a,e FROM t1;
+  }
+} {1 15 2 8}
+
 finish_test