1# alter table
2hcad_tmp_tables: tmp tables bypass hot alter, we run hcad_tmp_tables_56 instead
3hcad_with_locks: cant alter table concurrent with reading a table in 5.5
4
5# virtual columns
6virtual_columns: no virtual columns in MySQL 5.5
7
8frm_discover_partition: needs the tokutek patch for frm discovery for partitioned tables
9