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41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
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#include <AggregateFunctions/AggregateFunctionFactory.h>
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#include <AggregateFunctions/AggregateFunctionGroupBitmap.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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template <template <typename> class Data>
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AggregateFunctionPtr createAggregateFunctionBitmap(const std::string & name, const DataTypes & argument_types, const Array & parameters)
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{
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assertNoParameters(name, parameters);
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assertUnary(name, argument_types);
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if (!argument_types[0]->canBeUsedInBitOperations())
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throw Exception("The type " + argument_types[0]->getName() + " of argument for aggregate function " + name
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+ " is illegal, because it cannot be used in Bitmap operations",
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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AggregateFunctionPtr res(createWithUnsignedIntegerType<AggregateFunctionBitmap, Data>(*argument_types[0]));
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if (!res)
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throw Exception("Illegal type " + argument_types[0]->getName() + " of argument for aggregate function " + name, ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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return res;
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}
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}
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void registerAggregateFunctionsBitmap(AggregateFunctionFactory & factory)
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{
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factory.registerFunction("groupBitmap", createAggregateFunctionBitmap<AggregateFunctionGroupBitmapData>);
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}
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}
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