integer_primary_key_table_name merge_tree_insert_1 merge_tree_insert_2 merge_tree_insert_3 string_primary_key_table_name merge_tree_insert_4 merge_tree_insert_5 merge_tree_insert_6 CREATE TABLE merge_tree_insert_1 (value_1 UInt64, value_2 UInt64, value_3 UInt64) ENGINE = MergeTree ORDER BY (value_1) CREATE TABLE merge_tree_insert_2 (value_1 UInt64, value_2 UInt64, value_3 UInt64) ENGINE = MergeTree ORDER BY (value_1, value_2) CREATE TABLE merge_tree_insert_3 (value_1 UInt64, value_2 UInt64, value_3 UInt64) ENGINE = MergeTree ORDER BY (value_1, value_2, value_3) CREATE TABLE merge_tree_insert_4 (value_1 String, value_2 String, value_3 String) ENGINE = MergeTree ORDER BY (value_1) CREATE TABLE merge_tree_insert_5 (value_1 String, value_2 String, value_3 String) ENGINE = MergeTree ORDER BY (value_1, value_2) CREATE TABLE merge_tree_insert_6 (value_1 String, value_2 String, value_3 String) ENGINE = MergeTree ORDER BY (value_1, value_2, value_3) INSERT INTO {integer_primary_key_table_name} SELECT rand64(0), rand64(1), rand64(2) FROM system.numbers LIMIT 500000 INSERT INTO {integer_primary_key_table_name} SELECT rand64(0), rand64(1), rand64(2) FROM system.numbers LIMIT 1000000 INSERT INTO {integer_primary_key_table_name} SELECT rand64(0), rand64(1), rand64(2) FROM system.numbers LIMIT 1500000 INSERT INTO {string_primary_key_table_name} SELECT toString(rand64(0)), toString(rand64(1)), toString(rand64(2)) FROM system.numbers LIMIT 500000 INSERT INTO {string_primary_key_table_name} SELECT toString(rand64(0)), toString(rand64(1)), toString(rand64(2)) FROM system.numbers LIMIT 1000000 INSERT INTO {string_primary_key_table_name} SELECT toString(rand64(0)), toString(rand64(1)), toString(rand64(2)) FROM system.numbers LIMIT 1500000 DROP TABLE IF EXISTS {integer_primary_key_table_name} DROP TABLE IF EXISTS {string_primary_key_table_name}