Files
doris/be/src/vec/aggregate_functions/aggregate_function_collect.cpp

93 lines
4.2 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.
#include "vec/aggregate_functions/aggregate_function_collect.h"
#include "vec/aggregate_functions/aggregate_function_simple_factory.h"
namespace doris::vectorized {
template <typename T>
AggregateFunctionPtr create_agg_function_collect(bool distinct, const DataTypes& argument_types) {
if (distinct) {
return AggregateFunctionPtr(
new AggregateFunctionCollect<AggregateFunctionCollectSetData<T>>(argument_types));
} else {
return AggregateFunctionPtr(
new AggregateFunctionCollect<AggregateFunctionCollectListData<T>>(argument_types));
}
}
AggregateFunctionPtr create_aggregate_function_collect(const std::string& name,
const DataTypes& argument_types,
const Array& parameters,
const bool result_is_nullable) {
if (argument_types.size() != 1) {
LOG(WARNING) << fmt::format("Illegal number {} of argument for aggregate function {}",
argument_types.size(), name);
return nullptr;
}
bool distinct = false;
if (name == "collect_set") {
distinct = true;
}
WhichDataType type(argument_types[0]);
if (type.is_uint8()) {
return create_agg_function_collect<UInt8>(distinct, argument_types);
} else if (type.is_int8()) {
return create_agg_function_collect<Int8>(distinct, argument_types);
} else if (type.is_int16()) {
return create_agg_function_collect<Int16>(distinct, argument_types);
} else if (type.is_int32()) {
return create_agg_function_collect<Int32>(distinct, argument_types);
} else if (type.is_int64()) {
return create_agg_function_collect<Int64>(distinct, argument_types);
} else if (type.is_int128()) {
return create_agg_function_collect<Int128>(distinct, argument_types);
} else if (type.is_float32()) {
return create_agg_function_collect<Float32>(distinct, argument_types);
} else if (type.is_float64()) {
return create_agg_function_collect<Float64>(distinct, argument_types);
} else if (type.is_decimal32()) {
return create_agg_function_collect<Decimal32>(distinct, argument_types);
} else if (type.is_decimal64()) {
return create_agg_function_collect<Decimal64>(distinct, argument_types);
} else if (type.is_decimal128()) {
return create_agg_function_collect<Decimal128>(distinct, argument_types);
} else if (type.is_decimal128i()) {
return create_agg_function_collect<Decimal128I>(distinct, argument_types);
} else if (type.is_date()) {
return create_agg_function_collect<Int64>(distinct, argument_types);
} else if (type.is_date_time()) {
return create_agg_function_collect<Int64>(distinct, argument_types);
} else if (type.is_string()) {
return create_agg_function_collect<StringRef>(distinct, argument_types);
}
LOG(WARNING) << fmt::format("unsupported input type {} for aggregate function {}",
argument_types[0]->get_name(), name);
return nullptr;
}
void register_aggregate_function_collect_list(AggregateFunctionSimpleFactory& factory) {
factory.register_function("collect_list", create_aggregate_function_collect);
factory.register_function("collect_set", create_aggregate_function_collect);
}
} // namespace doris::vectorized