mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 13:42:02 +00:00
54 lines
3.0 KiB
SQL
54 lines
3.0 KiB
SQL
-- error cases
|
|
SELECT extractAllGroupsHorizontal(); --{serverError 42} not enough arguments
|
|
SELECT extractAllGroupsHorizontal('hello'); --{serverError 42} not enough arguments
|
|
SELECT extractAllGroupsHorizontal('hello', 123); --{serverError 43} invalid argument type
|
|
SELECT extractAllGroupsHorizontal(123, 'world'); --{serverError 43} invalid argument type
|
|
SELECT extractAllGroupsHorizontal('hello world', '((('); --{serverError 427} invalid re
|
|
SELECT extractAllGroupsHorizontal('hello world', materialize('\\w+')); --{serverError 44} non-cons needle
|
|
SELECT extractAllGroupsHorizontal('hello world', '\\w+'); -- { serverError 36 } 0 groups
|
|
SELECT extractAllGroupsHorizontal('hello world', '(\\w+)') SETTINGS regexp_max_matches_per_row = 0; -- { serverError 128 } to many groups matched per row
|
|
SELECT extractAllGroupsHorizontal('hello world', '(\\w+)') SETTINGS regexp_max_matches_per_row = 1; -- { serverError 128 } to many groups matched per row
|
|
|
|
SELECT extractAllGroupsHorizontal('hello world', '(\\w+)') SETTINGS regexp_max_matches_per_row = 1000000 FORMAT Null; -- users now can set limit bigger than previous 1000 matches per row
|
|
|
|
SELECT '1 group, multiple matches, String and FixedString';
|
|
SELECT extractAllGroupsHorizontal('hello world', '(\\w+)');
|
|
SELECT extractAllGroupsHorizontal('hello world', CAST('(\\w+)' as FixedString(5)));
|
|
SELECT extractAllGroupsHorizontal(CAST('hello world' AS FixedString(12)), '(\\w+)');
|
|
SELECT extractAllGroupsHorizontal(CAST('hello world' AS FixedString(12)), CAST('(\\w+)' as FixedString(5)));
|
|
SELECT extractAllGroupsHorizontal(materialize(CAST('hello world' AS FixedString(12))), '(\\w+)');
|
|
SELECT extractAllGroupsHorizontal(materialize(CAST('hello world' AS FixedString(12))), CAST('(\\w+)' as FixedString(5)));
|
|
|
|
SELECT 'mutiple groups, multiple matches';
|
|
SELECT extractAllGroupsHorizontal('abc=111, def=222, ghi=333 "jkl mno"="444 foo bar"', '("[^"]+"|\\w+)=("[^"]+"|\\w+)');
|
|
|
|
SELECT 'big match';
|
|
SELECT
|
|
length(haystack), length(matches), length(matches[1]), arrayMap((x) -> length(x), matches[1])
|
|
FROM (
|
|
SELECT
|
|
repeat('abcdefghijklmnopqrstuvwxyz', number * 10) AS haystack,
|
|
extractAllGroupsHorizontal(haystack, '(abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz)') AS matches
|
|
FROM numbers(3)
|
|
);
|
|
|
|
SELECT 'lots of matches';
|
|
SELECT
|
|
length(haystack), length(matches), length(matches[1]), arrayReduce('sum', arrayMap((x) -> length(x), matches[1]))
|
|
FROM (
|
|
SELECT
|
|
repeat('abcdefghijklmnopqrstuvwxyz', number * 10) AS haystack,
|
|
extractAllGroupsHorizontal(haystack, '(\\w)') AS matches
|
|
FROM numbers(3)
|
|
);
|
|
|
|
SELECT 'lots of groups';
|
|
SELECT
|
|
length(haystack), length(matches), length(matches[1]), arrayMap((x) -> length(x), matches[1])
|
|
FROM (
|
|
SELECT
|
|
repeat('abcdefghijklmnopqrstuvwxyz', number * 10) AS haystack,
|
|
extractAllGroupsHorizontal(haystack, repeat('(\\w)', 100)) AS matches
|
|
FROM numbers(3)
|
|
);
|