| /* |
| * 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. |
| */ |
| |
| package org.apache.iotdb.db.queryengine.execution.aggregation; |
| |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.read.common.block.column.Column; |
| import org.apache.iotdb.tsfile.utils.BitMap; |
| |
| public class LastValueDescAccumulator extends LastValueAccumulator { |
| |
| public LastValueDescAccumulator(TSDataType seriesDataType) { |
| super(seriesDataType); |
| } |
| |
| @Override |
| public boolean hasFinalResult() { |
| return initResult; |
| } |
| |
| @Override |
| public void reset() { |
| super.reset(); |
| } |
| |
| @Override |
| protected void addIntInput(Column[] column, BitMap needSkip) { |
| int count = column[0].getPositionCount(); |
| for (int i = 0; i < count; i++) { |
| // skip null value in control column |
| if (needSkip != null && needSkip.isMarked(i)) { |
| continue; |
| } |
| if (!column[1].isNull(i)) { |
| updateIntLastValue(column[1].getInt(i), column[0].getLong(i)); |
| return; |
| } |
| } |
| } |
| |
| @Override |
| protected void addLongInput(Column[] column, BitMap needSkip) { |
| int count = column[0].getPositionCount(); |
| for (int i = 0; i < count; i++) { |
| // skip null value in control column |
| if (needSkip != null && needSkip.isMarked(i)) { |
| continue; |
| } |
| if (!column[1].isNull(i)) { |
| updateLongLastValue(column[1].getLong(i), column[0].getLong(i)); |
| return; |
| } |
| } |
| } |
| |
| @Override |
| protected void addFloatInput(Column[] column, BitMap needSkip) { |
| int count = column[0].getPositionCount(); |
| for (int i = 0; i < count; i++) { |
| // skip null value in control column |
| if (needSkip != null && needSkip.isMarked(i)) { |
| continue; |
| } |
| if (!column[1].isNull(i)) { |
| updateFloatLastValue(column[1].getFloat(i), column[0].getLong(i)); |
| return; |
| } |
| } |
| } |
| |
| @Override |
| protected void addDoubleInput(Column[] column, BitMap needSkip) { |
| int count = column[0].getPositionCount(); |
| for (int i = 0; i < count; i++) { |
| // skip null value in control column |
| if (needSkip != null && needSkip.isMarked(i)) { |
| continue; |
| } |
| if (!column[1].isNull(i)) { |
| updateDoubleLastValue(column[1].getDouble(i), column[0].getLong(i)); |
| return; |
| } |
| } |
| } |
| |
| @Override |
| protected void addBooleanInput(Column[] column, BitMap needSkip) { |
| int count = column[0].getPositionCount(); |
| for (int i = 0; i < count; i++) { |
| // skip null value in control column |
| if (needSkip != null && needSkip.isMarked(i)) { |
| continue; |
| } |
| if (!column[1].isNull(i)) { |
| updateBooleanLastValue(column[1].getBoolean(i), column[0].getLong(i)); |
| return; |
| } |
| } |
| } |
| |
| @Override |
| protected void addBinaryInput(Column[] column, BitMap needSkip) { |
| int count = column[0].getPositionCount(); |
| for (int i = 0; i < count; i++) { |
| // skip null value in control column |
| if (needSkip != null && needSkip.isMarked(i)) { |
| continue; |
| } |
| if (!column[1].isNull(i)) { |
| updateBinaryLastValue(column[1].getBinary(i), column[0].getLong(i)); |
| return; |
| } |
| } |
| } |
| } |