ClickHouse/tests/queries/0_stateless/03171_function_to_subcolumns_fuzzer.sql

SET optimize_functions_to_subcolumns = 1;
SET allow_experimental_analyzer = 1;

DROP TABLE IF EXISTS t_func_to_subcolumns_map_2;

CREATE TABLE t_func_to_subcolumns_map_2 (id UInt64, m Map(String, UInt64)) ENGINE = MergeTree ORDER BY id;

INSERT INTO t_func_to_subcolumns_map_2 VALUES (1, map('aaa', 1, 'bbb', 2)) (2, map('ccc', 3));

SELECT sum(mapContains(m, toNullable('aaa'))) FROM t_func_to_subcolumns_map_2;

DROP TABLE t_func_to_subcolumns_map_2;

DROP TABLE IF EXISTS t_func_to_subcolumns_join;

CREATE TABLE t_func_to_subcolumns_join (id UInt64, arr Array(UInt64), n Nullable(String), m Map(String, UInt64))
ENGINE = MergeTree ORDER BY tuple();

INSERT INTO t_func_to_subcolumns_join VALUES (1, [1, 2, 3], 'abc', map('foo', 1, 'bar', 2)) (2, [], NULL, map());

SET join_use_nulls = 1;

SELECT
    id,
    right.n IS NULL
FROM t_func_to_subcolumns_join AS left
FULL OUTER JOIN
(
    SELECT
        1 AS id,
        'qqq' AS n
    UNION ALL
    SELECT
        3 AS id,
        'www'
) AS right USING (id)
WHERE empty(arr);

DROP TABLE t_func_to_subcolumns_join;

DROP TABLE IF EXISTS t_func_to_subcolumns_use_nulls;

CREATE TABLE t_func_to_subcolumns_use_nulls (arr Array(UInt64), v UInt64) ENGINE = MergeTree ORDER BY tuple();

INSERT INTO t_func_to_subcolumns_use_nulls SELECT range(number % 10), number FROM numbers(100);

SELECT length(arr) AS n, sum(v) FROM t_func_to_subcolumns_use_nulls GROUP BY n WITH ROLLUP HAVING n <= 4 OR isNull(n) ORDER BY n SETTINGS group_by_use_nulls = 1;

DROP TABLE t_func_to_subcolumns_use_nulls;