Index: driver/error.c
===================================================================
--- driver/error.c	(revision 1041)
+++ driver/error.c	(working copy)
@@ -225,6 +225,9 @@
             state= "3D000";
             break;
         case ER_PARSE_ERROR:
+#ifdef ER_SP_DOES_NOT_EXIST
+        case ER_SP_DOES_NOT_EXIST:
+#endif
             state= myodbc3_errors[MYERR_42000].sqlstate;
             break;
         case ER_TABLE_EXISTS_ERROR:
Index: test/my_error.c
===================================================================
--- test/my_error.c	(revision 1041)
+++ test/my_error.c	(working copy)
@@ -313,6 +313,16 @@
 }
 
 
+/**
+ Bug #27158: MyODBC 3.51/ ADO cmd option adCmdUnknown won't work for tables - regression
+*/
+DECLARE_TEST(t_bug27158)
+{
+  expect_sql(hstmt, "{ CALL test.does_not_exist }", SQL_ERROR);
+  return check_sqlstate(hstmt, "42000");
+}
+
+
 BEGIN_TESTS
 #ifndef NO_DRIVERMANAGER
   ADD_TEST(t_odbc2_error)
@@ -326,6 +336,7 @@
   ADD_TEST(t_bug16224)
   ADD_TEST(bind_invalidcol)
   ADD_TEST(getdata_need_nullind)
+  ADD_TEST(t_bug27158)
 END_TESTS
 
 RUN_TESTS
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 1041)
+++ ChangeLog	(working copy)
@@ -13,6 +13,9 @@
   * SSL connections could not be established properly. Added the server
     certificate verification flag. (Bug #29955)
   * Added deprecated SQLSetParam function. (Bug #29871)
+  * An SQLSTATE of HY000 was returned when a stored procedure was not found,
+    instead of 42000. This caused problems with ADO's adCmdUnknown option.
+    (Bug #27158)
 
 ----