mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-25 09:02:00 +00:00
30 lines
898 B
SQL
30 lines
898 B
SQL
SET max_block_size = 10;
|
|
SET max_rows_to_read = 20;
|
|
SET read_overflow_mode = 'throw';
|
|
|
|
SELECT count() FROM numbers(30); -- { serverError TOO_MANY_ROWS }
|
|
SELECT count() FROM numbers(19);
|
|
SELECT count() FROM numbers(20);
|
|
SELECT count() FROM numbers(21); -- { serverError TOO_MANY_ROWS }
|
|
|
|
-- check early exception if the estimated number of rows is high
|
|
SELECT * FROM numbers(30); -- { serverError TOO_MANY_ROWS }
|
|
|
|
SET read_overflow_mode = 'break';
|
|
|
|
SELECT count() FROM numbers(19);
|
|
SELECT count() FROM numbers(20);
|
|
SELECT count() FROM numbers(21);
|
|
SELECT count() FROM numbers(29);
|
|
SELECT count() FROM numbers(30);
|
|
SELECT count() FROM numbers(31);
|
|
|
|
-- check that partial result is returned even if the estimated number of rows is high
|
|
SELECT * FROM numbers(30);
|
|
|
|
-- the same for uneven block sizes
|
|
SET max_block_size = 11;
|
|
SELECT * FROM numbers(30);
|
|
SET max_block_size = 9;
|
|
SELECT * FROM numbers(30);
|