mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-28 12:40:49 +00:00
52 lines
2.4 KiB
SQL
52 lines
2.4 KiB
SQL
-- error cases
|
|
SELECT extractAllGroups(); --{serverError 42} not enough arguments
|
|
SELECT extractAllGroups('hello'); --{serverError 42} not enough arguments
|
|
SELECT extractAllGroups('hello', 123); --{serverError 43} invalid argument type
|
|
SELECT extractAllGroups(123, 'world'); --{serverError 43} invalid argument type
|
|
SELECT extractAllGroups('hello world', '((('); --{serverError 427} invalid re
|
|
SELECT extractAllGroups('hello world', materialize('\\w+')); --{serverError 44} non-const needle
|
|
|
|
SELECT '0 groups, zero matches';
|
|
SELECT extractAllGroups('hello world', '\\w+'); -- { serverError 36 }
|
|
|
|
SELECT '1 group, multiple matches, String and FixedString';
|
|
SELECT extractAllGroups('hello world', '(\\w+)');
|
|
SELECT extractAllGroups('hello world', CAST('(\\w+)' as FixedString(5)));
|
|
SELECT extractAllGroups(CAST('hello world' AS FixedString(12)), '(\\w+)');
|
|
SELECT extractAllGroups(CAST('hello world' AS FixedString(12)), CAST('(\\w+)' as FixedString(5)));
|
|
SELECT extractAllGroups(materialize(CAST('hello world' AS FixedString(12))), '(\\w+)');
|
|
SELECT extractAllGroups(materialize(CAST('hello world' AS FixedString(12))), CAST('(\\w+)' as FixedString(5)));
|
|
|
|
SELECT 'mutiple groups, multiple matches';
|
|
SELECT extractAllGroups('abc=111, def=222, ghi=333 "jkl mno"="444 foo bar"', '("[^"]+"|\\w+)=("[^"]+"|\\w+)');
|
|
|
|
SELECT 'big match';
|
|
SELECT
|
|
length(haystack), length(matches[1]), length(matches), arrayMap((x) -> length(x), arrayMap(x -> x[1], matches))
|
|
FROM (
|
|
SELECT
|
|
repeat('abcdefghijklmnopqrstuvwxyz', number * 10) AS haystack,
|
|
extractAllGroups(haystack, '(abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz)') AS matches
|
|
FROM numbers(3)
|
|
);
|
|
|
|
SELECT 'lots of matches';
|
|
SELECT
|
|
length(haystack), length(matches[1]), length(matches), arrayReduce('sum', arrayMap((x) -> length(x), arrayMap(x -> x[1], matches)))
|
|
FROM (
|
|
SELECT
|
|
repeat('abcdefghijklmnopqrstuvwxyz', number * 10) AS haystack,
|
|
extractAllGroups(haystack, '(\\w)') AS matches
|
|
FROM numbers(3)
|
|
);
|
|
|
|
SELECT 'lots of groups';
|
|
SELECT
|
|
length(haystack), length(matches[1]), length(matches), arrayMap((x) -> length(x), arrayMap(x -> x[1], matches))
|
|
FROM (
|
|
SELECT
|
|
repeat('abcdefghijklmnopqrstuvwxyz', number * 10) AS haystack,
|
|
extractAllGroups(haystack, repeat('(\\w)', 100)) AS matches
|
|
FROM numbers(3)
|
|
);
|