Disable ALTER for oqgraph. Fixes crash.

mysql-test/suite/oqgraph/regression_1134355.test

@@ -38,14 +38,17 @@ SELECT * from graph;
 SELECT * FROM graph WHERE destid=2 and origid=1;
 
 # We cant do this anyway because of read onlyness of table.... 1036 == read only
---error 1036
+# In any case I changed the flags to make alter unsupported; later we can try and work out why the core doesnt help us clean up properly
+# --error 1036
+--error 1031
 alter table graph ORIGID = 'another_id';
 
 # But we need that to hold even in an invalid situation!
 # -- bug was: the following alter table would crash, instead of returning error 1296
 # -- currently following may not crash, but does with the previous error 1036 causing statement present
 #  'attribute not set to a valid column of 'xxx'  - note currently truncating to graph_b instead of graph_base for some reason...
---error 1296
+#--error 1296
+--error 1031
 alter table graph ORIGID = 'something_else';
 
 DELETE FROM graph_base;