Files
doris/be/src/vec/aggregate_functions/aggregate_function_bit.cpp
2023-02-20 11:08:45 +08:00

73 lines
3.4 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
// This file is copied from
// https://github.com/ClickHouse/ClickHouse/blob/master/src/AggregateFunctions/AggregateFunctionBitwise.cpp
// and modified by Doris
#include "vec/aggregate_functions/aggregate_function_bit.h"
#include "vec/aggregate_functions/aggregate_function_simple_factory.h"
namespace doris::vectorized {
template <template <typename> class Data>
AggregateFunctionPtr createAggregateFunctionBitwise(const std::string& name,
const DataTypes& argument_types,
const bool result_is_nullable) {
if (!argument_types[0]->can_be_used_in_bit_operations()) {
LOG(WARNING) << fmt::format("The type " + argument_types[0]->get_name() +
" of argument for aggregate function " + name +
" is illegal, because it cannot be used in bitwise operations");
}
auto type = argument_types[0].get();
if (type->is_nullable()) {
type = assert_cast<const DataTypeNullable*>(type)->get_nested_type().get();
}
WhichDataType which(*type);
if (which.is_int8()) {
return AggregateFunctionPtr(new AggregateFunctionBitwise<Int8, Data<Int8>>(argument_types));
} else if (which.is_int16()) {
return AggregateFunctionPtr(
new AggregateFunctionBitwise<Int16, Data<Int16>>(argument_types));
} else if (which.is_int32()) {
return AggregateFunctionPtr(
new AggregateFunctionBitwise<Int32, Data<Int32>>(argument_types));
} else if (which.is_int64()) {
return AggregateFunctionPtr(
new AggregateFunctionBitwise<Int64, Data<Int64>>(argument_types));
} else if (which.is_int128()) {
return AggregateFunctionPtr(
new AggregateFunctionBitwise<Int128, Data<Int128>>(argument_types));
}
LOG(WARNING) << fmt::format("Illegal type " + argument_types[0]->get_name() +
" of argument for aggregate function " + name);
return nullptr;
}
void register_aggregate_function_bit(AggregateFunctionSimpleFactory& factory) {
factory.register_function("group_bit_or",
createAggregateFunctionBitwise<AggregateFunctionGroupBitOrData>);
factory.register_function("group_bit_and",
createAggregateFunctionBitwise<AggregateFunctionGroupBitAndData>);
factory.register_function("group_bit_xor",
createAggregateFunctionBitwise<AggregateFunctionGroupBitXorData>);
}
} // namespace doris::vectorized