drop table if exists t1; set @orig_table_open_cache = @@global.table_open_cache; create table t1(a int) engine = tokudb partition by key(a) partitions 2 (partition p0 engine = tokudb, partition p1 engine = tokudb); lock tables t1 read; set @@global.table_open_cache = 1; begin; insert into t1 values(1),(1); select * from t1 where c like _ucs2 0x039C0025 collate ucs2_unicode_ci; ERROR 42S22: Unknown column 'c' in 'where clause' create table t1(c1 binary (1), c2 varbinary(1)); ERROR 42S01: Table 't1' already exists unlock tables; drop table t1; set @@global.table_open_cache = @orig_table_open_cache;