ClickHouse/tests/queries/0_stateless/02812_subquery_operators.sql

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2023-07-07 03:30:32 +00:00
SELECT singleValueOrNull(toNullable(''));
SELECT singleValueOrNull(toNullable('Hello'));
SELECT singleValueOrNull((SELECT 'Hello'));
SELECT singleValueOrNull(toNullable(123));
SELECT '' = ALL (SELECT toNullable(''));
SELECT '', ['\0'], [], singleValueOrNull(( SELECT '\0' ) ), [''];