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[Enhancement] (nereids)implement showTabletBelongCommand in nereids
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148 changes: 148 additions & 0 deletions
148
...src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowTabletsBelongCommand.java
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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. | ||
|
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| package org.apache.doris.nereids.trees.plans.commands; | ||
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| 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; | ||
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| import com.google.common.collect.ImmutableList; | ||
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| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
|
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| /** | ||
| * 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; | ||
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| /** | ||
| * constructor | ||
| */ | ||
| public ShowTabletsBelongCommand(List<Long> tabletIds) { | ||
| super(PlanType.SHOW_TABLETS_BELONG_COMMAND); | ||
| this.tabletIds = tabletIds; | ||
| } | ||
|
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| public ShowResultSetMetaData getMetaData() { | ||
| ShowResultSetMetaData.Builder builder = ShowResultSetMetaData.builder(); | ||
| for (String title : TITLE_NAMES) { | ||
| builder.addColumn(new Column(title, ScalarType.createVarchar(128))); | ||
| } | ||
| return builder.build(); | ||
| } | ||
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| @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"); | ||
| } | ||
|
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||
| // 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; | ||
| } | ||
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| if (!tableToTabletIdsMap.containsKey(tableId)) { | ||
| tableToTabletIdsMap.put(tableId, new HashSet<>()); | ||
| } | ||
| tableToTabletIdsMap.get(tableId).add(tabletId); | ||
| } | ||
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| 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()); | ||
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| 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()); | ||
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| rows.add(line); | ||
| } | ||
| return new ShowResultSet(getMetaData(), rows); | ||
| } | ||
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| @Override | ||
| public <R, C> R accept(PlanVisitor<R, C> visitor, C context) { | ||
| return visitor.visitShowTabletsBelongCommand(this, context); | ||
| } | ||
| } |
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