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40 lines
1.7 KiB
C++
40 lines
1.7 KiB
C++
#include <AggregateFunctions/AggregateFunctionFactory.h>
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#include <AggregateFunctions/AggregateFunctionBitwise.h>
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#include <AggregateFunctions/Helpers.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 createAggregateFunctionBitwise(const std::string & name, const DataTypes & argument_types, const Array & /*parameters*/)
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{
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if (argument_types.size() != 1)
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throw Exception("Incorrect number of arguments for aggregate function " + name, ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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AggregateFunctionPtr res(createWithUnsignedIntegerType<AggregateFunctionBitwise, 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 registerAggregateFunctionsBitwise(AggregateFunctionFactory & factory)
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{
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factory.registerFunction("groupBitOr", createAggregateFunctionBitwise<AggregateFunctionGroupBitOrData>);
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factory.registerFunction("groupBitAnd", createAggregateFunctionBitwise<AggregateFunctionGroupBitAndData>);
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factory.registerFunction("groupBitXor", createAggregateFunctionBitwise<AggregateFunctionGroupBitXorData>);
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/// Aliases for compatibility with MySQL.
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factory.registerFunction("BIT_OR", createAggregateFunctionBitwise<AggregateFunctionGroupBitOrData>, AggregateFunctionFactory::CaseInsensitive);
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factory.registerFunction("BIT_AND", createAggregateFunctionBitwise<AggregateFunctionGroupBitAndData>, AggregateFunctionFactory::CaseInsensitive);
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factory.registerFunction("BIT_XOR", createAggregateFunctionBitwise<AggregateFunctionGroupBitXorData>, AggregateFunctionFactory::CaseInsensitive);
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}
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}
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