starocean999 commented on code in PR #44222: URL: https://github.com/apache/doris/pull/44222#discussion_r1847893519
########## fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowTabletsBelongCommand.java: ########## @@ -0,0 +1,148 @@ +// 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.nereids.trees.plans.commands; + +import org.apache.doris.catalog.Column; +import org.apache.doris.catalog.Database; +import org.apache.doris.catalog.Env; +import org.apache.doris.catalog.OlapTable; +import org.apache.doris.catalog.ScalarType; +import org.apache.doris.catalog.Table; +import org.apache.doris.catalog.TabletInvertedIndex; +import org.apache.doris.catalog.TabletMeta; +import org.apache.doris.common.ErrorCode; +import org.apache.doris.common.ErrorReport; +import org.apache.doris.common.Pair; +import org.apache.doris.common.util.DebugUtil; +import org.apache.doris.mysql.privilege.PrivPredicate; +import org.apache.doris.nereids.trees.plans.PlanType; +import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor; +import org.apache.doris.qe.ConnectContext; +import org.apache.doris.qe.ShowResultSet; +import org.apache.doris.qe.ShowResultSetMetaData; +import org.apache.doris.qe.StmtExecutor; + +import com.google.common.collect.ImmutableList; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +/** + * show tablet belong command + */ +public class ShowTabletsBelongCommand extends ShowCommand { + private static final ImmutableList<String> TITLE_NAMES = new ImmutableList.Builder<String>() + .add("DbName") + .add("TableName") + .add("TableSize") + .add("PartitionNum") + .add("BucketNum") + .add("ReplicaCount") + .add("TabletIds") + .build(); + private final List<Long> tabletIds; + + /** + * constructor + */ + public ShowTabletsBelongCommand(List<Long> tabletIds) { + super(PlanType.SHOW_TABLETS_BELONG_COMMAND); + this.tabletIds = tabletIds; + } + + public ShowResultSetMetaData getMetaData() { + ShowResultSetMetaData.Builder builder = ShowResultSetMetaData.builder(); + for (String title : TITLE_NAMES) { + builder.addColumn(new Column(title, ScalarType.createVarchar(128))); + } + return builder.build(); + } + + @Override + public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception { + //validation logic + // check auth + if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)) { + ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, + PrivPredicate.ADMIN.getPrivs().toString()); + } + if (tabletIds == null || tabletIds.isEmpty()) { + throw new Exception("Please supply at least one tablet id"); + } + + // main logic. + List<List<String>> rows = new ArrayList<>(); + Env env = Env.getCurrentEnv(); + TabletInvertedIndex invertedIndex = Env.getCurrentInvertedIndex(); + Map<Long, HashSet<Long>> tableToTabletIdsMap = new HashMap<>(); + for (long tabletId : tabletIds) { + TabletMeta tabletMeta = invertedIndex.getTabletMeta(tabletId); + if (tabletMeta == null) { + continue; + } + Database db = env.getInternalCatalog().getDbNullable(tabletMeta.getDbId()); + if (db == null) { + continue; + } + long tableId = tabletMeta.getTableId(); + Table table = db.getTableNullable(tableId); + if (table == null) { + continue; + } + + if (!tableToTabletIdsMap.containsKey(tableId)) { + tableToTabletIdsMap.put(tableId, new HashSet<>()); + } + tableToTabletIdsMap.get(tableId).add(tabletId); + } + + for (long tableId : tableToTabletIdsMap.keySet()) { + Table table = env.getInternalCatalog().getTableByTableId(tableId); + List<String> line = new ArrayList<>(); + line.add(table.getDatabase().getFullName()); + line.add(table.getName()); + + OlapTable olapTable = (OlapTable) table; + Pair<Double, String> tableSizePair = DebugUtil.getByteUint((long) olapTable.getDataSize()); + String readableSize = DebugUtil.DECIMAL_FORMAT_SCALE_3.format(tableSizePair.first) + " " + + tableSizePair.second; + line.add(readableSize); + line.add(new Long(olapTable.getPartitionNum()).toString()); + int totalBucketNum = 0; + Set<String> partitionNamesSet = table.getPartitionNames(); + for (String partitionName : partitionNamesSet) { + totalBucketNum += table.getPartition(partitionName).getDistributionInfo().getBucketNum(); + } + line.add(new Long(totalBucketNum).toString()); + line.add(new Long(olapTable.getReplicaCount()).toString()); + line.add(tableToTabletIdsMap.get(tableId).toString()); + + rows.add(line); + } + return new ShowResultSet(getMetaData(), rows); + } + Review Comment: need override toRedirectStatus method like old planner ``` @Override public RedirectStatus getRedirectStatus() { return RedirectStatus.FORWARD_NO_SYNC; } ``` -- This is an automated message from the Apache Git Service. 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