ClickHouse/tests/queries/0_stateless/00013_create_table_with_arrays.sql

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2017-08-18 20:22:56 +00:00
DROP TABLE IF EXISTS arrays_test;
CREATE TABLE arrays_test (s String, arr Array(UInt8)) ENGINE = Memory;
INSERT INTO arrays_test VALUES ('Hello', [1,2]), ('World', [3,4,5]), ('Goodbye', []);
2017-09-05 00:28:30 +00:00
SELECT * FROM arrays_test;
SELECT s, arr FROM arrays_test ARRAY JOIN arr;
SELECT s, arr, a FROM arrays_test ARRAY JOIN arr AS a;
SELECT s, arr, a, num FROM arrays_test ARRAY JOIN arr AS a, arrayEnumerate(arr) AS num;
SELECT s, arr, a, num, arrayEnumerate(arr) FROM arrays_test ARRAY JOIN arr AS a, arrayEnumerate(arr) AS num;
SELECT s, arr, a, mapped FROM arrays_test ARRAY JOIN arr AS a, arrayMap(x -> x + 1, arr) AS mapped;
SELECT s, arr, a, num, mapped FROM arrays_test ARRAY JOIN arr AS a, arrayEnumerate(arr) AS num, arrayMap(x -> x + 1, arr) AS mapped;
SELECT sumArray(arr), sumArrayIf(arr, s LIKE '%l%'), sumArrayIf(arr, s LIKE '%e%') FROM arrays_test;
DROP TABLE arrays_test;