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Allowed to create tuples with NULLs [#METR-19266].

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Alexey Milovidov 2016-12-30 03:55:59 +03:00
parent e3849124f1
commit 025bfd414f
1 changed files with 2 additions and 0 deletions
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2
dbms/include/DB/Functions/FunctionsMiscellaneous.h
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@ -530,6 +530,8 @@ public:
bool isVariadic() const override { return true; }
size_t getNumberOfArguments() const override { return 0; }
bool hasSpecialSupportForNulls() const override { return true; }
/// Получить тип результата по типам аргументов. Если функция неприменима для данных аргументов - кинуть исключение.
DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
{