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[feature](analyze_cmd) add show-tablets-belong stmt for analyzing a b…
…atch of tablet-ids (apache#27994)
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docs/en/docs/sql-manual/sql-reference/Show-Statements/SHOW-TABLETS-BELONG.md
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| --- | ||
| { | ||
| "title": "SHOW-TABLETS-BELONG", | ||
| "language": "en" | ||
| } | ||
| --- | ||
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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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| <version since="dev"> | ||
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| ## SHOW-TABLETS-BELONG | ||
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| </version> | ||
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| ### Name | ||
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| SHOW TABLETS BELONG | ||
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| ### Description | ||
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| Used to show tablets and information of their belonging table | ||
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| grammar： | ||
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| ```sql | ||
| SHOW TABLETS BELONG tablet-ids; | ||
| ``` | ||
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| illustrate： | ||
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| 1. tablet-ids：one or more tablet-ids, with comma separated | ||
| 2. Columns of result keep same with result of `SHOW-DATA` for the same table | ||
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| ### Example | ||
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| 1. show information of four tablet-ids (actually, three tablet-ids. Result will be deduplicated) | ||
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| ```sql | ||
| SHOW TABLETS BELONG 27028,78880,78382,27028; | ||
| ``` | ||
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| ``` | ||
| +---------------------+-----------+-----------+--------------+-----------+--------------+----------------+ | ||
| | DbName | TableName | TableSize | PartitionNum | BucketNum | ReplicaCount | TabletIds | | ||
| +---------------------+-----------+-----------+--------------+-----------+--------------+----------------+ | ||
| | default_cluster:db1 | kec | 613.000 B | 379 | 604 | 604 | [78880, 78382] | | ||
| | default_cluster:db1 | test | 1.874 KB | 1 | 1 | 1 | [27028] | | ||
| +---------------------+-----------+-----------+--------------+-----------+--------------+----------------+ | ||
| ``` | ||
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| ### Keywords | ||
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| SHOW, TABLETS, BELONG | ||
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| ### Best Practice | ||
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docs/zh-CN/docs/sql-manual/sql-reference/Show-Statements/SHOW-TABLETS-BELONG.md
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,74 @@ | ||
| --- | ||
| { | ||
| "title": "SHOW-TABLETS-BELONG", | ||
| "language": "zh-CN" | ||
| } | ||
| --- | ||
|
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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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| <version since="dev"> | ||
|
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| ## SHOW-TABLETS-BELONG | ||
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| </version> | ||
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| ### Name | ||
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| SHOW TABLETS BELONG | ||
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| ### Description | ||
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| 该语句用于展示指定Tablets归属的表的信息 | ||
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| 语法： | ||
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| ```sql | ||
| SHOW TABLETS BELONG tablet-ids; | ||
| ``` | ||
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| 说明： | ||
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| 1. tablet-ids：代表一到多个tablet-id构成的列表。如有多个，使用逗号分隔 | ||
| 2. 结果中 table 相关的信息和 `SHOW-DATA` 语句的口径一致 | ||
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| ### Example | ||
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| 1. 展示3个tablet-id的相关信息（tablet-id可去重） | ||
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| ```sql | ||
| SHOW TABLETS BELONG 27028,78880,78382,27028; | ||
| ``` | ||
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| ``` | ||
| +---------------------+-----------+-----------+--------------+-----------+--------------+----------------+ | ||
| | DbName | TableName | TableSize | PartitionNum | BucketNum | ReplicaCount | TabletIds | | ||
| +---------------------+-----------+-----------+--------------+-----------+--------------+----------------+ | ||
| | default_cluster:db1 | kec | 613.000 B | 379 | 604 | 604 | [78880, 78382] | | ||
| | default_cluster:db1 | test | 1.874 KB | 1 | 1 | 1 | [27028] | | ||
| +---------------------+-----------+-----------+--------------+-----------+--------------+----------------+ | ||
| ``` | ||
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| ### Keywords | ||
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| SHOW, TABLETS, BELONG | ||
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| ### Best Practice | ||
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|
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fe/fe-core/src/main/java/org/apache/doris/analysis/ShowTabletsBelongStmt.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.analysis; | ||
|
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| import org.apache.doris.catalog.Column; | ||
| import org.apache.doris.catalog.ScalarType; | ||
| import org.apache.doris.common.UserException; | ||
| import org.apache.doris.qe.ShowResultSetMetaData; | ||
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| import com.google.common.collect.ImmutableList; | ||
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| import java.util.List; | ||
|
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| /** | ||
| * ShowTabletsBelongStmt is used to show information of tables which tablets are belonged to | ||
| * syntax: | ||
| * SHOW TABLETS BELONG tablet_ids | ||
| */ | ||
| public class ShowTabletsBelongStmt extends ShowStmt { | ||
| private List<Long> tabletIds; | ||
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| 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(); | ||
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| public ShowTabletsBelongStmt(List<Long> tabletIds) { | ||
| this.tabletIds = tabletIds; | ||
| } | ||
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| public List<Long> getTabletIds() { | ||
| return tabletIds; | ||
| } | ||
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| @Override | ||
| public void analyze(Analyzer analyzer) throws UserException { | ||
| if (tabletIds == null || tabletIds.isEmpty()) { | ||
| throw new UserException("Please supply at least one tablet id"); | ||
| } | ||
| } | ||
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| @Override | ||
| 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 RedirectStatus getRedirectStatus() { | ||
| return RedirectStatus.FORWARD_NO_SYNC; | ||
| } | ||
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| @Override | ||
| public String toSql() { | ||
| StringBuilder sb = new StringBuilder(); | ||
| sb.append("SHOW TABLETS BELONG "); | ||
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| for (long tabletId : tabletIds) { | ||
| sb.append(tabletId); | ||
| sb.append(", "); | ||
| } | ||
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| String tmp = sb.toString(); | ||
| return tmp.substring(tmp.length() - 1); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return toSql(); | ||
| } | ||
| } |
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