ClickHouse/dbms/tests/queries/0_stateless/00553_buff_exists_materlized_column.sql
2018-01-12 21:03:35 +08:00

20 lines
659 B
SQL

DROP TABLE IF EXISTS test.nums;
DROP TABLE IF EXISTS test.nums_buf;
SET insert_allow_materialized_columns = 1;
CREATE TABLE test.nums ( n UInt64, m UInt64 MATERIALIZED n+1 ) ENGINE = Log;
CREATE TABLE test.nums_buf AS test.nums ENGINE = Buffer(test, nums, 1, 10, 100, 1, 3, 10000000, 100000000);
INSERT INTO test.nums_buf (n) VALUES (1);
INSERT INTO test.nums_buf (n) VALUES (2);
INSERT INTO test.nums_buf (n) VALUES (3);
INSERT INTO test.nums_buf (n) VALUES (4);
INSERT INTO test.nums_buf (n) VALUES (5);
SELECT n,m FROM test.nums ORDER BY n;
SELECT n,m FROM test.nums_buf ORDER BY n;
DROP TABLE IF EXISTS test.nums;
DROP TABLE IF EXISTS test.nums_buf;