CDB_OB_TABLE_SPACE_USAGE 查询的 OCCUPY_SIZE 比 REQUIRED_SIZE 大

-- 行存表
select * from oceanbase.__all_virtual_table_mgr where tablet_id in(select tablet_id from __all_virtual_tablet_to_ls where TABLE_ID=xxx) and table_type=10;
-- 列存表
select * from oceanbase.__all_virtual_table_mgr where tablet_id in(select tablet_id from __all_virtual_tablet_to_ls where TABLE_ID=xxx) and table_type=17;