Index: src/parse.y
==================================================================
--- src/parse.y
+++ src/parse.y
@@ -12,11 +12,11 @@
 ** This file contains SQLite's grammar for SQL.  Process this file
 ** using the lemon parser generator to generate C code that runs
 ** the parser.  Lemon will also generate a header file containing
 ** numeric codes for all of the tokens.
 **
-** @(#) $Id: parse.y,v 1.226 2007/05/11 01:44:52 drh Exp $
+** @(#) $Id: parse.y,v 1.227 2007/05/15 00:09:13 drh Exp $
 */
 
 // All token codes are small integers with #defines that begin with "TK_"
 %token_prefix TK_
 
@@ -37,10 +37,11 @@
       sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &TOKEN);
     }else{
       sqlite3ErrorMsg(pParse, "incomplete SQL statement");
     }
     pParse->parseError = 1;
+    pParse->rc = SQLITE_ERROR;
   }
 }
 %stack_overflow {
   sqlite3ErrorMsg(pParse, "parser stack overflow");
   pParse->parseError = 1;

Index: test/alter.test
==================================================================
--- test/alter.test
+++ test/alter.test
@@ -9,11 +9,11 @@
 #
 #*************************************************************************
 # This file implements regression tests for SQLite library.  The
 # focus of this script is testing the ALTER TABLE statement.
 #
-# $Id: alter.test,v 1.20 2007/05/08 12:37:46 danielk1977 Exp $
+# $Id: alter.test,v 1.21 2007/05/15 00:09:13 drh Exp $
 #
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 
@@ -298,10 +298,15 @@
 do_test alter-2.5 {
   catchsql {
     ALTER TABLE t3 RENAME TO sqlite_t3;
   }
 } {1 {object name reserved for internal use: sqlite_t3}}
+do_test alter-2.6 {
+  catchsql {
+    ALTER TABLE t3 ADD COLUMN (ALTER TABLE t3 ADD COLUMN);
+  }
+} {1 {near "(": syntax error}}
 
 # If this compilation does not include triggers, omit the alter-3.* tests.
 ifcapable trigger {
 
 #-----------------------------------------------------------------------