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55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
#include <AggregateFunctions/AggregateFunctionCategoricalInformationValue.h>
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#include <AggregateFunctions/AggregateFunctionFactory.h>
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#include <AggregateFunctions/FactoryHelpers.h>
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#include <AggregateFunctions/Helpers.h>
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#include "registerAggregateFunctions.h"
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int ILLEGAL_TYPE_OF_ARGUMENT;
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extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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}
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namespace
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{
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AggregateFunctionPtr createAggregateFunctionCategoricalIV(
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const std::string & name,
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const DataTypes & arguments,
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const Array & params
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)
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{
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assertNoParameters(name, params);
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if (arguments.size() < 2)
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throw Exception(
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"Aggregate function " + name + " requires two or more arguments",
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ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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for (auto & argument : arguments)
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{
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if (!WhichDataType(argument).isUInt8())
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throw Exception(
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"All the arguments of aggregate function " + name + " should be UInt8",
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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}
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return std::make_shared<AggregateFunctionCategoricalIV<>>(arguments, params);
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}
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}
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void registerAggregateFunctionCategoricalIV(
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AggregateFunctionFactory & factory
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)
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{
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factory.registerFunction("categoricalInformationValue", createAggregateFunctionCategoricalIV);
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}
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}
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