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21 lines
873 B
SQL
21 lines
873 B
SQL
SELECT arrayDistinct([1, 2, 3]);
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SELECT arrayDistinct([1, 2, 3, 2, 2]);
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SELECT arrayDistinct([1, 2, NULL, 5, 2, NULL]);
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SELECT arrayDistinct(['1212', 'sef', '343r4']);
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SELECT arrayDistinct(['1212', 'sef', '343r4', '1212']);
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SELECT arrayDistinct(['1212', 'sef', '343r4', NULL, NULL, '232']);
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DROP TABLE IF EXISTS arrayDistinct_test;
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CREATE TABLE arrayDistinct_test(arr_int Array(UInt8), arr_string Array(String)) ENGINE=Memory;
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INSERT INTO arrayDistinct_test values ([1, 2, 3], ['a', 'b', 'c']), ([21, 21, 21, 21], ['123', '123', '123']);
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SELECT arrayDistinct(arr_int) FROM arrayDistinct_test;
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SELECT arrayDistinct(arr_string) FROM arrayDistinct_test;
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DROP TABLE arrayDistinct_test;
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SELECT arrayDistinct([['1212'], ['sef'], ['343r4'], ['1212']]);
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SELECT arrayDistinct([(1, 2), (1, 3), (1, 2), (1, 2), (1, 2), (1, 5)]);
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SELECT length(arrayDistinct([NULL, NULL, NULL]));
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