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Throw exception in decimal edge case in arrayUnion()
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3311214915
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@ -147,6 +147,8 @@ DataTypePtr FunctionArrayIntersect<Mode>::getReturnTypeImpl(const DataTypes & ar
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nested_types.reserve(arguments.size());
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bool has_nothing = false;
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DataTypePtr has_decimal_type = nullptr;
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DataTypePtr has_non_decimal_type = nullptr;
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if (arguments.empty())
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throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH, "Function {} requires at least one argument.", getName());
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@ -170,7 +172,24 @@ DataTypePtr FunctionArrayIntersect<Mode>::getReturnTypeImpl(const DataTypes & ar
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}
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}
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else
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{
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nested_types.push_back(nested_type);
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/// Throw exception if have a decimal and another type (e.g int/date type)
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/// This is the same behavior as the arrayIntersect and notEquals functions
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/// This case is not covered by getLeastSupertype() and results in crashing the program if left out
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if constexpr (std::is_same_v<Mode, ArrayModeUnion>)
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{
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if (WhichDataType(nested_type).isDecimal())
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has_decimal_type = nested_type;
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else
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has_non_decimal_type = nested_type;
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if (has_non_decimal_type && has_decimal_type)
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal types of arguments for function {}: {} and {}.",
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getName(), has_non_decimal_type->getName(), has_decimal_type);
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}
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}
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}
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DataTypePtr result_type;
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