ClickHouse/tests/queries/0_stateless/00589_removal_unused_columns_aggregation.sql

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2018-03-01 07:27:02 +00:00
SELECT * FROM (SELECT sum(x) AS a, avg(x) AS b FROM (SELECT number AS x FROM numbers(10)));
SELECT a, b FROM (SELECT sum(x) AS a, avg(x) AS b FROM (SELECT number AS x FROM numbers(10)));
SELECT a FROM (SELECT sum(x) AS a, avg(x) AS b FROM (SELECT number AS x FROM numbers(10)));
SELECT b FROM (SELECT sum(x) AS a, avg(x) AS b FROM (SELECT number AS x FROM numbers(10)));
SELECT 1 FROM (SELECT sum(x) AS a, avg(x) AS b FROM (SELECT number AS x FROM numbers(10)));
SELECT 1 FROM (SELECT sum(x), avg(x) FROM (SELECT number AS x FROM numbers(10)));
SELECT count() FROM (SELECT sum(x) AS a, avg(x) AS b FROM (SELECT number AS x FROM numbers(10)));
SELECT count() FROM (SELECT sum(x), avg(x) FROM (SELECT number AS x FROM numbers(10)));
SELECT count() FROM (SELECT sum(x), avg(x) FROM (SELECT number % 3 AS x FROM numbers(10) GROUP BY x));
SELECT 1 FROM (SELECT DISTINCT sum(x), avg(x) FROM (SELECT number AS x FROM numbers(10)));
SELECT count() FROM (SELECT sum(x), arrayJoin([min(x), max(x)]) FROM (SELECT number AS x FROM numbers(10)));
SELECT count() FROM (SELECT arrayJoin([sum(x), medianExact(x)]), arrayJoin([min(x), max(x)]) FROM (SELECT number AS x FROM numbers(10)));
SELECT 1 FROM (SELECT arrayJoin([sum(x), medianExact(x)]), arrayJoin([min(x), max(x)]) FROM (SELECT number AS x FROM numbers(10)));