mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-05 23:31:24 +00:00
30 lines
2.8 KiB
SQL
30 lines
2.8 KiB
SQL
set optimize_group_by_function_keys = 1;
|
|
|
|
SELECT round(max(log(2) * number), 6) AS k FROM numbers(10000000) GROUP BY number % 2, number % 3, (number % 2 + number % 3) % 2 ORDER BY k;
|
|
SELECT round(avg(log(2) * number), 6) AS k FROM numbers(10000000) GROUP BY number % 5, ((number % 5) * (number % 5)) ORDER BY k;
|
|
SELECT round(avg(log(2) * number), 6) AS k FROM numbers(10000000) GROUP BY (number % 2) * (number % 3), number % 3 ORDER BY k;
|
|
SELECT round(avg(log(2) * number), 6) AS k FROM numbers(10000000) GROUP BY (number % 2) * (number % 3), number % 3, number % 2 ORDER BY k;
|
|
SELECT round(avg(log(2) * number), 6) AS k FROM numbers(10000000) GROUP BY (number % 2) % 3, number % 2 ORDER BY k;
|
|
|
|
|
|
EXPLAIN SYNTAX SELECT max(log(2) * number) AS k FROM numbers(10000000) GROUP BY number % 2, number % 3, (number % 2 + number % 3) % 2 ORDER BY k;
|
|
EXPLAIN SYNTAX SELECT avg(log(2) * number) AS k FROM numbers(10000000) GROUP BY number % 5, ((number % 5) * (number % 5)) ORDER BY k;
|
|
EXPLAIN SYNTAX SELECT avg(log(2) * number) AS k FROM numbers(10000000) GROUP BY (number % 2) * (number % 3), number % 3 ORDER BY k;
|
|
EXPLAIN SYNTAX SELECT avg(log(2) * number) AS k FROM numbers(10000000) GROUP BY (number % 2) * (number % 3), number % 3, number % 2 ORDER BY k;
|
|
EXPLAIN SYNTAX SELECT avg(log(2) * number) AS k FROM numbers(10000000) GROUP BY (number % 2) % 3, number % 2 ORDER BY k;
|
|
|
|
set optimize_group_by_function_keys = 0;
|
|
|
|
SELECT round(max(log(2) * number), 6) AS k FROM numbers(10000000) GROUP BY number % 2, number % 3, (number % 2 + number % 3) % 2 ORDER BY k;
|
|
SELECT round(avg(log(2) * number), 6) AS k FROM numbers(10000000) GROUP BY number % 5, ((number % 5) * (number % 5)) ORDER BY k;
|
|
SELECT round(avg(log(2) * number), 6) AS k FROM numbers(10000000) GROUP BY (number % 2) * (number % 3), number % 3 ORDER BY k;
|
|
SELECT round(avg(log(2) * number), 6) AS k FROM numbers(10000000) GROUP BY (number % 2) * (number % 3), number % 3, number % 2 ORDER BY k;
|
|
SELECT round(avg(log(2) * number), 6) AS k FROM numbers(10000000) GROUP BY (number % 2) % 3, number % 2 ORDER BY k;
|
|
|
|
EXPLAIN SYNTAX SELECT max(log(2) * number) AS k FROM numbers(10000000) GROUP BY number % 2, number % 3, (number % 2 + number % 3) % 2 ORDER BY k;
|
|
EXPLAIN SYNTAX SELECT avg(log(2) * number) AS k FROM numbers(10000000) GROUP BY number % 5, ((number % 5) * (number % 5)) ORDER BY k;
|
|
EXPLAIN SYNTAX SELECT avg(log(2) * number) AS k FROM numbers(10000000) GROUP BY (number % 2) * (number % 3), number % 3 ORDER BY k;
|
|
EXPLAIN SYNTAX SELECT avg(log(2) * number) AS k FROM numbers(10000000) GROUP BY (number % 2) * (number % 3), number % 3, number % 2 ORDER BY k;
|
|
EXPLAIN SYNTAX SELECT avg(log(2) * number) AS k FROM numbers(10000000) GROUP BY (number % 2) % 3, number % 2 ORDER BY k;
|
|
-- TODO - test with similar variables of different tables (collision)
|