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https://github.com/ClickHouse/ClickHouse.git
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30 lines
1.5 KiB
MySQL
30 lines
1.5 KiB
MySQL
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select 'basic';
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select countMatches('', 'foo');
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select countMatches('foo', '');
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-- simply stop if zero bytes was processed
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select countMatches('foo', '[f]{0}');
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-- but this is ok
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select countMatches('foo', '[f]{0}foo');
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select 'case sensitive';
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select countMatches('foobarfoo', 'foo');
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select countMatches('foobarfoo', 'foo.*');
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select countMatches('oooo', 'oo');
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select countMatches(concat(toString(number), 'foofoo'), 'foo') from numbers(2);
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select countMatches('foobarbazfoobarbaz', 'foo(bar)(?:baz|)');
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select countMatches('foo.com bar.com baz.com bam.com', '([^. ]+)\.([^. ]+)');
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select countMatches('foo.com@foo.com bar.com@foo.com baz.com@foo.com bam.com@foo.com', '([^. ]+)\.([^. ]+)@([^. ]+)\.([^. ]+)');
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select 'case insensitive';
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select countMatchesCaseInsensitive('foobarfoo', 'FOo');
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select countMatchesCaseInsensitive('foobarfoo', 'FOo.*');
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select countMatchesCaseInsensitive('oooo', 'Oo');
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select countMatchesCaseInsensitive(concat(toString(number), 'Foofoo'), 'foo') from numbers(2);
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select countMatchesCaseInsensitive('foOBarBAZfoobarbaz', 'foo(bar)(?:baz|)');
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select countMatchesCaseInsensitive('foo.com BAR.COM baz.com bam.com', '([^. ]+)\.([^. ]+)');
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select countMatchesCaseInsensitive('foo.com@foo.com bar.com@foo.com BAZ.com@foo.com bam.com@foo.com', '([^. ]+)\.([^. ]+)@([^. ]+)\.([^. ]+)');
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select 'errors';
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select countMatches(1, 'foo') from numbers(1); -- { serverError 43; }
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select countMatches('foobarfoo', toString(number)) from numbers(1); -- { serverError 44; }
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