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31 lines
478 B
SQL
31 lines
478 B
SQL
SET join_use_nulls = 1;
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DROP TABLE IF EXISTS null;
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CREATE TABLE null (k UInt64, a String, b Nullable(String)) ENGINE = Log;
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INSERT INTO null SELECT
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k,
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a,
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b
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FROM
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(
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SELECT
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number AS k,
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toString(number) AS a
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FROM system.numbers
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LIMIT 2
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)
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ANY LEFT JOIN
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(
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SELECT
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number AS k,
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toString(number) AS b
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FROM system.numbers
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LIMIT 1, 2
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) USING (k)
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ORDER BY k ASC;
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SELECT * FROM null ORDER BY k, a, b;
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DROP TABLE null;
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