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39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
#include <AggregateFunctions/AggregateFunctionFactory.h>
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#include <AggregateFunctions/AggregateFunctionRetention.h>
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#include <AggregateFunctions/Helpers.h>
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#include <AggregateFunctions/FactoryHelpers.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 NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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}
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namespace
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{
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AggregateFunctionPtr createAggregateFunctionRetention(const std::string & name, const DataTypes & arguments, const Array & params)
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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("Not enough event arguments for aggregate function " + name, ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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if (arguments.size() > AggregateFunctionRetentionData::max_events)
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throw Exception("Too many event arguments for aggregate function " + name, ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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return std::make_shared<AggregateFunctionRetention>(arguments);
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}
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}
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void registerAggregateFunctionRetention(AggregateFunctionFactory & factory)
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{
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factory.registerFunction("retention", createAggregateFunctionRetention, AggregateFunctionFactory::CaseInsensitive);
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}
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}
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