mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 08:40:50 +00:00
107 lines
2.2 KiB
SQL
107 lines
2.2 KiB
SQL
SELECT sum(x)
|
|
FROM
|
|
(
|
|
SELECT x
|
|
FROM
|
|
(
|
|
SELECT number AS x
|
|
FROM system.numbers
|
|
SETTINGS max_rows_to_read = 10, read_overflow_mode = 'break', max_block_size = 2
|
|
)
|
|
SETTINGS max_rows_to_read = 20, read_overflow_mode = 'break', max_block_size = 2
|
|
);
|
|
|
|
SELECT sum(x)
|
|
FROM
|
|
(
|
|
SELECT x
|
|
FROM
|
|
(
|
|
SELECT number AS x
|
|
FROM system.numbers
|
|
SETTINGS max_rows_to_read = 20, read_overflow_mode = 'break', max_block_size = 2
|
|
)
|
|
SETTINGS max_rows_to_read = 10, read_overflow_mode = 'break', max_block_size = 2
|
|
);
|
|
|
|
|
|
SELECT count() >= 20, count() <= 22
|
|
FROM
|
|
(
|
|
SELECT x
|
|
FROM
|
|
(
|
|
SELECT zero AS x
|
|
FROM system.zeros
|
|
SETTINGS max_block_size = 2, max_rows_to_read = 10, read_overflow_mode = 'break'
|
|
)
|
|
UNION ALL
|
|
SELECT x
|
|
FROM
|
|
(
|
|
SELECT zero + 1 AS x
|
|
FROM system.zeros
|
|
SETTINGS max_block_size = 2, max_rows_to_read = 20, read_overflow_mode = 'break'
|
|
)
|
|
);
|
|
|
|
SELECT sum(x) >= 10
|
|
FROM
|
|
(
|
|
SELECT x
|
|
FROM
|
|
(
|
|
SELECT zero AS x
|
|
FROM system.zeros
|
|
SETTINGS max_block_size = 2, max_rows_to_read = 10, read_overflow_mode = 'break'
|
|
)
|
|
UNION ALL
|
|
SELECT x
|
|
FROM
|
|
(
|
|
SELECT zero + 1 AS x
|
|
FROM system.zeros
|
|
SETTINGS max_block_size = 2, max_rows_to_read = 20, read_overflow_mode = 'break'
|
|
)
|
|
);
|
|
|
|
SELECT count() >= 20, count() <= 22
|
|
FROM
|
|
(
|
|
SELECT x
|
|
FROM
|
|
(
|
|
SELECT zero AS x
|
|
FROM system.zeros
|
|
SETTINGS max_block_size = 2, max_rows_to_read = 20, read_overflow_mode = 'break'
|
|
)
|
|
UNION ALL
|
|
SELECT x
|
|
FROM
|
|
(
|
|
SELECT zero + 1 AS x
|
|
FROM system.zeros
|
|
SETTINGS max_block_size = 2, max_rows_to_read = 10, read_overflow_mode = 'break'
|
|
)
|
|
);
|
|
|
|
SELECT sum(x) <= 10
|
|
FROM
|
|
(
|
|
SELECT x
|
|
FROM
|
|
(
|
|
SELECT zero AS x
|
|
FROM system.zeros
|
|
SETTINGS max_block_size = 2, max_rows_to_read = 20, read_overflow_mode = 'break'
|
|
)
|
|
UNION ALL
|
|
SELECT x
|
|
FROM
|
|
(
|
|
SELECT zero + 1 AS x
|
|
FROM system.zeros
|
|
SETTINGS max_block_size = 2, max_rows_to_read = 10, read_overflow_mode = 'break'
|
|
)
|
|
);
|