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#include <AggregateFunctions/AggregateFunctionFactory.h>
#include <AggregateFunctions/AggregateFunctionIntervalLengthSum.h>
#include <AggregateFunctions/FactoryHelpers.h>
#include <AggregateFunctions/Helpers.h>
#include <DataTypes/DataTypeDate.h>
#include <DataTypes/DataTypeDateTime.h>
#include <base/range.h>
namespace DB
{
namespace ErrorCodes
{
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
}
struct Settings;
namespace
{
template <template <typename> class Data>
AggregateFunctionPtr
createAggregateFunctionIntervalLengthSum(const std::string & name, const DataTypes & arguments, const Array &, const Settings *)
{
if (arguments.size() != 2)
throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH,
"Aggregate function {} requires two timestamps argument.", name);
auto args = {arguments[0].get(), arguments[1].get()};
if (WhichDataType{args.begin()[0]}.idx != WhichDataType{args.begin()[1]}.idx)
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
"Illegal types {} and {} of arguments "
"of aggregate function {}, both arguments should have same data type",
args.begin()[0]->getName(), args.begin()[1]->getName(), name);
for (const auto & arg : args)
{
if (!isNativeNumber(arg) && !isDate(arg) && !isDateTime(arg))
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
"Illegal type {} of argument of aggregate function {}, must "
"be native integral type, Date/DateTime or Float", arg->getName(), name);
}
AggregateFunctionPtr res(createWithBasicNumberOrDateOrDateTime<AggregateFunctionIntervalLengthSum, Data>(*arguments[0], arguments));
if (res)
return res;
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
"Illegal type {} of argument of aggregate function {}, must "
"be native integral type, Date/DateTime or Float", arguments.front().get()->getName(), name);
}
}
void registerAggregateFunctionIntervalLengthSum(AggregateFunctionFactory & factory)
{
factory.registerFunction("intervalLengthSum", createAggregateFunctionIntervalLengthSum<AggregateFunctionIntervalLengthSumData>);
}
}
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