io.trino.operator.aggregation.GroupedAccumulator Maven / Gradle / Ivy
/*
* Licensed 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.
*/
package io.trino.operator.aggregation;
import io.trino.spi.Page;
import io.trino.spi.block.Block;
import io.trino.spi.block.BlockBuilder;
public interface GroupedAccumulator
{
long getEstimatedSize();
void setGroupCount(int groupCount);
void addInput(int[] groupIds, Page page, AggregationMask mask);
void addIntermediate(int[] groupIds, Block block);
void evaluateIntermediate(int groupId, BlockBuilder output);
void evaluateFinal(int groupId, BlockBuilder output);
void prepareFinal();
}