| // 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.doris.common.proc; |
| |
| import org.apache.doris.catalog.Database; |
| import org.apache.doris.catalog.MaterializedIndex; |
| import org.apache.doris.catalog.MaterializedIndex.IndexExtState; |
| import org.apache.doris.catalog.OlapTable; |
| import org.apache.doris.catalog.Partition; |
| import org.apache.doris.common.AnalysisException; |
| import org.apache.doris.common.util.ListComparator; |
| import org.apache.doris.common.util.TimeUtils; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ImmutableList; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /* |
| * SHOW PROC /dbs/dbId/tableId/partitions/partitionId |
| * show index's detail info within a partition |
| */ |
| public class IndicesProcDir implements ProcDirInterface { |
| public static final ImmutableList<String> TITLE_NAMES = new ImmutableList.Builder<String>() |
| .add("IndexId").add("IndexName").add("State").add("LastConsistencyCheckTime") |
| .build(); |
| |
| private Database db; |
| private OlapTable olapTable; |
| private Partition partition; |
| |
| public IndicesProcDir(Database db, OlapTable olapTable, Partition partition) { |
| this.db = db; |
| this.olapTable = olapTable; |
| this.partition = partition; |
| } |
| |
| @Override |
| public ProcResult fetchResult() throws AnalysisException { |
| Preconditions.checkNotNull(db); |
| Preconditions.checkNotNull(partition); |
| |
| BaseProcResult result = new BaseProcResult(); |
| // get info |
| List<List<Comparable>> indexInfos = new ArrayList<List<Comparable>>(); |
| db.readLock(); |
| try { |
| result.setNames(TITLE_NAMES); |
| for (MaterializedIndex materializedIndex : partition.getMaterializedIndices(IndexExtState.ALL)) { |
| List<Comparable> indexInfo = new ArrayList<Comparable>(); |
| indexInfo.add(materializedIndex.getId()); |
| indexInfo.add(olapTable.getIndexNameById(materializedIndex.getId())); |
| indexInfo.add(materializedIndex.getState()); |
| indexInfo.add(TimeUtils.longToTimeString(materializedIndex.getLastCheckTime())); |
| |
| indexInfos.add(indexInfo); |
| } |
| |
| } finally { |
| db.readUnlock(); |
| } |
| |
| // sort by index id |
| ListComparator<List<Comparable>> comparator = new ListComparator<List<Comparable>>(0); |
| Collections.sort(indexInfos, comparator); |
| |
| // set result |
| for (List<Comparable> info : indexInfos) { |
| List<String> row = new ArrayList<String>(info.size()); |
| for (Comparable comparable : info) { |
| row.add(comparable.toString()); |
| } |
| result.addRow(row); |
| } |
| return result; |
| } |
| |
| @Override |
| public boolean register(String name, ProcNodeInterface node) { |
| return false; |
| } |
| |
| @Override |
| public ProcNodeInterface lookup(String indexIdStr) throws AnalysisException { |
| Preconditions.checkNotNull(db); |
| Preconditions.checkNotNull(partition); |
| if (Strings.isNullOrEmpty(indexIdStr)) { |
| throw new AnalysisException("Index id is null"); |
| } |
| |
| long indexId; |
| try { |
| indexId = Long.valueOf(indexIdStr); |
| } catch (NumberFormatException e) { |
| throw new AnalysisException("Invalid index id format: " + indexIdStr); |
| } |
| |
| db.readLock(); |
| try { |
| MaterializedIndex materializedIndex = partition.getIndex(indexId); |
| if (materializedIndex == null) { |
| throw new AnalysisException("Index[" + indexId + "] does not exist."); |
| } |
| return new TabletsProcDir(db, materializedIndex); |
| } finally { |
| db.readUnlock(); |
| } |
| } |
| |
| } |