This crashes only with EXPLAIN EXTENDED. Otherwise, we should see: failed: 1054: Unknown column 'SUBQUERY2_t2.col_char_10_not_null_key' in 'field list'
This crashes only with EXPLAIN EXTENDED. Otherwise, we should see: t2.col_ char_10_ not_null_ key' in 'field list'
failed: 1054: Unknown column 'SUBQUERY2_