mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-25 17:12:03 +00:00
30 lines
1009 B
MySQL
30 lines
1009 B
MySQL
|
SET multiple_joins_rewriter_version = 2;
|
||
|
|
|
||
|
|
SELECT count(*)
|
||
|
|
FROM numbers(2) AS n1, numbers(3) AS n2, numbers(4) AS n3
|
||
|
|
WHERE (n1.number = n2.number) AND (n2.number = n3.number);
|
||
|
|
|
||
|
|
SELECT count(*) c FROM (
|
||
|
|
SELECT count(*), count(*) as c
|
||
|
|
FROM numbers(2) AS n1, numbers(3) AS n2, numbers(4) AS n3
|
||
|
|
WHERE (n1.number = n2.number) AND (n2.number = n3.number)
|
||
|
|
AND (SELECT count(*) FROM numbers(1)) = 1
|
||
|
|
)
|
||
|
|
WHERE (SELECT count(*) FROM numbers(2)) = 2
|
||
|
|
HAVING c IN(SELECT count(*) c FROM numbers(1));
|
||
|
|
|
||
|
|
SET multiple_joins_rewriter_version = 1;
|
||
|
|
|
||
|
|
SELECT count(*)
|
||
|
|
FROM numbers(2) AS n1, numbers(3) AS n2, numbers(4) AS n3
|
||
|
|
WHERE (n1.number = n2.number) AND (n2.number = n3.number);
|
||
|
|
|
||
|
|
SELECT count(*) c FROM (
|
||
|
|
SELECT count(*), count(*) as c
|
||
|
|
FROM numbers(2) AS n1, numbers(3) AS n2, numbers(4) AS n3
|
||
|
|
WHERE (n1.number = n2.number) AND (n2.number = n3.number)
|
||
|
|
AND (SELECT count(*) FROM numbers(1)) = 1
|
||
|
|
)
|
||
|
|
WHERE (SELECT count(*) FROM numbers(2)) = 2
|
||
|
|
HAVING c IN(SELECT count(*) c FROM numbers(1));
|