-- Tags: no-fasttest drop table if exists data_01256; drop table if exists buffer_01256; create table data_01256 as system.numbers Engine=Memory(); select 'min'; create table buffer_01256 as system.numbers Engine=Buffer(currentDatabase(), data_01256, 1, 2, 100, /* time */ 4, 100, /* rows */ 1, 1e6 /* bytes */ ); insert into buffer_01256 select * from system.numbers limit 5; select count() from data_01256; -- sleep 2 (min time) + 1 (round up) + bias (1) = 4 select sleepEachRow(2) from numbers(2) FORMAT Null; select count() from data_01256; drop table buffer_01256; select 'max'; create table buffer_01256 as system.numbers Engine=Buffer(currentDatabase(), data_01256, 1, 100, 2, /* time */ 0, 100, /* rows */ 0, 1e6 /* bytes */ ); insert into buffer_01256 select * from system.numbers limit 5; select count() from data_01256; -- sleep 2 (min time) + 1 (round up) + bias (1) = 4 select sleepEachRow(2) from numbers(2) FORMAT Null; select count() from data_01256; drop table buffer_01256; select 'direct'; create table buffer_01256 as system.numbers Engine=Buffer(currentDatabase(), data_01256, 1, 100, 100, /* time */ 0, 9, /* rows */ 0, 1e6 /* bytes */ ); insert into buffer_01256 select * from system.numbers limit 10; select count() from data_01256; select 'drop'; insert into buffer_01256 select * from system.numbers limit 10; drop table if exists buffer_01256; select count() from data_01256; drop table data_01256;