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doris/be/src/vec/aggregate_functions/aggregate_function_bitmap.cpp

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// 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_bitmap.h"
#include "vec/aggregate_functions/aggregate_function_simple_factory.h"
namespace doris::vectorized {
template <bool nullable, template <bool, typename> class AggregateFunctionTemplate>
static IAggregateFunction* createWithIntDataType(const DataTypes& argument_type) {
auto type = argument_type[0].get();
if (type->is_nullable()) {
type = assert_cast<const DataTypeNullable*>(type)->get_nested_type().get();
}
WhichDataType which(type);
if (which.idx == TypeIndex::Int8) {
return new AggregateFunctionTemplate<nullable, ColumnVector<Int8>>(argument_type);
}
if (which.idx == TypeIndex::Int16) {
return new AggregateFunctionTemplate<nullable, ColumnVector<Int16>>(argument_type);
}
if (which.idx == TypeIndex::Int32) {
return new AggregateFunctionTemplate<nullable, ColumnVector<Int32>>(argument_type);
}
if (which.idx == TypeIndex::Int64) {
return new AggregateFunctionTemplate<nullable, ColumnVector<Int64>>(argument_type);
}
return nullptr;
}
AggregateFunctionPtr create_aggregate_function_bitmap_union(const std::string& name,
const DataTypes& argument_types,
const Array& parameters,
const bool result_is_nullable) {
return std::make_shared<AggregateFunctionBitmapOp<AggregateFunctionBitmapUnionOp>>(
argument_types);
}
AggregateFunctionPtr create_aggregate_function_bitmap_intersect(const std::string& name,
const DataTypes& argument_types,
const Array& parameters,
const bool result_is_nullable) {
return std::make_shared<AggregateFunctionBitmapOp<AggregateFunctionBitmapIntersectOp>>(
argument_types);
}
template <bool nullable>
AggregateFunctionPtr create_aggregate_function_bitmap_union_count(const std::string& name,
const DataTypes& argument_types,
const Array& parameters,
const bool result_is_nullable) {
return std::make_shared<AggregateFunctionBitmapCount<nullable, ColumnBitmap>>(argument_types);
}
template <bool nullable>
AggregateFunctionPtr create_aggregate_function_bitmap_union_int(const std::string& name,
const DataTypes& argument_types,
const Array& parameters,
const bool result_is_nullable) {
return std::shared_ptr<IAggregateFunction>(
createWithIntDataType<nullable, AggregateFunctionBitmapCount>(argument_types));
}
void register_aggregate_function_bitmap(AggregateFunctionSimpleFactory& factory) {
factory.register_function("bitmap_union", create_aggregate_function_bitmap_union);
factory.register_function("bitmap_intersect", create_aggregate_function_bitmap_intersect);
factory.register_function("bitmap_union_count",
create_aggregate_function_bitmap_union_count<false>);
factory.register_function("bitmap_union_count",
create_aggregate_function_bitmap_union_count<true>, true);
factory.register_function("bitmap_union_int",
create_aggregate_function_bitmap_union_int<false>);
factory.register_function("bitmap_union_int", create_aggregate_function_bitmap_union_int<true>,
true);
}
} // namespace doris::vectorized