let $cur_minor_count = query_get_value(select count(*) > 0 as c from oceanbase.__all_virtual_tablet_compaction_history where type = 'MINOR_MERGE' and tenant_id ...
create table t1(a int, b varchar(3048), primary key (a)) row_format = compressed with column group (all columns, each column); create table t2(c0 int, c1 int, c2 int, c3 int, c4 int, c5 int, c6 int, ...