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22 lines
1.1 KiB
SQL
22 lines
1.1 KiB
SQL
SET send_logs_level = 'fatal';
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SELECT (SELECT (SELECT (SELECT (SELECT (SELECT count() FROM (SELECT * FROM system.numbers LIMIT 10)))))) = (SELECT 10), ((SELECT 1, 'Hello', [1, 2]).3)[1];
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SELECT toUInt64((SELECT 9)) IN (SELECT number FROM system.numbers LIMIT 10);
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SELECT (SELECT toDate('2015-01-02')) = toDate('2015-01-02'), 'Hello' = (SELECT 'Hello');
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SELECT (SELECT toDate('2015-01-02'), 'Hello');
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SELECT (SELECT toDate('2015-01-02'), 'Hello') AS x, x, identity((SELECT 1)), identity((SELECT 1) AS y);
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-- SELECT (SELECT uniqState(''));
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SELECT ( SELECT throwIf(1 + dummy) ); -- { serverError FUNCTION_THROW_IF_VALUE_IS_NON_ZERO }
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-- Scalar subquery with 0 rows must return Null
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SELECT (SELECT 1 WHERE 0);
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-- But tuple and array can't be inside nullable
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SELECT (SELECT 1, 2 WHERE 0); -- { serverError INCORRECT_RESULT_OF_SCALAR_SUBQUERY }
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SELECT (SELECT [1] WHERE 0); -- { serverError INCORRECT_RESULT_OF_SCALAR_SUBQUERY }
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-- Works for not-empty casle
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SELECT (SELECT 1, 2);
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SELECT (SELECT [1]);
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-- Several rows
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SELECT (SELECT number FROM numbers(2)); -- { serverError INCORRECT_RESULT_OF_SCALAR_SUBQUERY }
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