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35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
#include <AggregateFunctions/AggregateFunctionFactory.h>
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#include <AggregateFunctions/AggregateFunctionWindowFunnel.h>
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#include <AggregateFunctions/Helpers.h>
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#include <AggregateFunctions/FactoryHelpers.h>
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namespace DB
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{
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namespace
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{
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AggregateFunctionPtr createAggregateFunctionWindowFunnel(const std::string & name, const DataTypes & arguments, const Array & params)
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{
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if (params.size() != 1)
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throw Exception{"Aggregate function " + name + " requires exactly one parameter.", ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH};
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if (arguments.size() < 2)
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throw Exception("Aggregate function " + name + " requires one timestamp argument and at least one event condition.", ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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if (arguments.size() > AggregateFunctionWindowFunnelData::max_events + 1)
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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<AggregateFunctionWindowFunnel>(arguments, params);
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}
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}
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void registerAggregateFunctionWindowFunnel(AggregateFunctionFactory & factory)
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{
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factory.registerFunction("windowFunnel", createAggregateFunctionWindowFunnel, AggregateFunctionFactory::CaseInsensitive);
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}
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}
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