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allow nested if (useless but also harmless)

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Amos Bird 2020-12-23 12:34:15 +08:00
parent effb404c7e
commit 12a36c0e9f
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1 changed files with 0 additions and 7 deletions
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7
src/AggregateFunctions/AggregateFunctionIf.h
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@ -35,13 +35,6 @@ public:
if (num_arguments == 0)
throw Exception("Aggregate function " + getName() + " require at least one argument", ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
IAggregateFunction * sub = this;
while ((sub = sub->getNestedFunction().get()))
{
if (dynamic_cast<AggregateFunctionIf *>(sub))
throw Exception("Cannot nest -If combinator", ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
}
if (!isUInt8(types.back()))
throw Exception("Last argument for aggregate function " + getName() + " must be UInt8", ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
}