mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-05 05:52:05 +00:00
67 lines
2.5 KiB
SQL
67 lines
2.5 KiB
SQL
DROP TABLE IF EXISTS grouping_sets;
|
|
|
|
CREATE TABLE grouping_sets(fact_1_id Int32, fact_2_id Int32, fact_3_id Int32, fact_4_id Int32, sales_value Int32) ENGINE = Memory;
|
|
|
|
SELECT fact_1_id, fact_3_id, sum(sales_value), count() from grouping_sets GROUP BY GROUPING SETS(fact_1_id, fact_3_id) ORDER BY fact_1_id, fact_3_id;
|
|
|
|
INSERT INTO grouping_sets
|
|
SELECT
|
|
number % 2 + 1 AS fact_1_id,
|
|
number % 5 + 1 AS fact_2_id,
|
|
number % 10 + 1 AS fact_3_id,
|
|
number % 10 + 1 AS fact_4_id,
|
|
number % 100 AS sales_value
|
|
FROM system.numbers limit 1000;
|
|
|
|
EXPLAIN PIPELINE
|
|
SELECT fact_1_id, fact_2_id, fact_3_id, SUM(sales_value) AS sales_value from grouping_sets
|
|
GROUP BY GROUPING SETS ((fact_1_id, fact_2_id), (fact_1_id, fact_3_id))
|
|
ORDER BY fact_1_id, fact_2_id, fact_3_id;
|
|
|
|
SELECT fact_1_id, fact_2_id, fact_3_id, SUM(sales_value) AS sales_value from grouping_sets
|
|
GROUP BY GROUPING SETS ((fact_1_id, fact_2_id), (fact_1_id, fact_3_id))
|
|
ORDER BY fact_1_id, fact_2_id, fact_3_id;
|
|
|
|
SELECT fact_1_id, fact_2_id, fact_3_id, fact_4_id, SUM(sales_value) AS sales_value from grouping_sets
|
|
GROUP BY GROUPING SETS ((fact_1_id, fact_2_id), (fact_3_id, fact_4_id))
|
|
ORDER BY fact_1_id, fact_2_id, fact_3_id, fact_4_id;
|
|
|
|
SELECT fact_1_id, fact_2_id, fact_3_id, SUM(sales_value) AS sales_value from grouping_sets
|
|
GROUP BY GROUPING SETS ((fact_1_id, fact_2_id), (fact_3_id), ())
|
|
ORDER BY fact_1_id, fact_2_id, fact_3_id;
|
|
|
|
SELECT
|
|
fact_1_id,
|
|
fact_3_id,
|
|
SUM(sales_value) AS sales_value
|
|
FROM grouping_sets
|
|
GROUP BY grouping sets ((fact_1_id), (fact_1_id, fact_3_id)) WITH TOTALS
|
|
ORDER BY fact_1_id, fact_3_id; -- { serverError NOT_IMPLEMENTED }
|
|
|
|
EXPLAIN SYNTAX SELECT
|
|
fact_1_id,
|
|
fact_3_id,
|
|
SUM(sales_value) AS sales_value
|
|
FROM grouping_sets
|
|
GROUP BY grouping sets (fact_1_id, (fact_1_id, fact_3_id)) WITH TOTALS
|
|
ORDER BY fact_1_id, fact_3_id;
|
|
|
|
SELECT
|
|
fact_1_id,
|
|
fact_3_id,
|
|
SUM(sales_value) AS sales_value
|
|
FROM grouping_sets
|
|
GROUP BY grouping sets (fact_1_id, (fact_1_id, fact_3_id)) WITH TOTALS
|
|
ORDER BY fact_1_id, fact_3_id; -- { serverError NOT_IMPLEMENTED }
|
|
|
|
DROP TABLE grouping_sets;
|
|
|
|
EXPLAIN PIPELINE
|
|
SELECT SUM(number) as sum_value, count() AS count_value from numbers_mt(1000000)
|
|
GROUP BY GROUPING SETS ((number % 10), (number % 100))
|
|
ORDER BY sum_value, count_value SETTINGS max_threads=3;
|
|
|
|
SELECT SUM(number) as sum_value, count() AS count_value from numbers_mt(1000000)
|
|
GROUP BY GROUPING SETS ((number % 10), (number % 100))
|
|
ORDER BY sum_value, count_value SETTINGS max_threads=3;
|