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15 lines
335 B
MySQL
15 lines
335 B
MySQL
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SELECT sum(toNullable('a') IN 'a');
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SELECT countIf(number, toNullable('a') IN ('a', 'b')) FROM numbers(100);
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SELECT
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uniqExact(x) AS u,
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uniqExactIf(x, name = 'a') AS ue,
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uniqExactIf(x, name IN ('a', 'b')) AS ui
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FROM
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(
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SELECT
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toNullable('a') AS name,
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arrayJoin(range(10)) AS x
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)
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WHERE name = 'a';
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