| |
| --- |
| { |
| "title": "SHOW-TABLETS", |
| "language": "en" |
| } |
| --- |
| |
| <!-- |
| 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. |
| --> |
| |
| ## SHOW-TABLETS |
| |
| ### Name |
| |
| SHOW TABLETS |
| |
| ### Description |
| |
| This statement is used to list tablets of the specified table (only for administrators) |
| |
| grammar: |
| |
| ```sql |
| SHOW TABLETS FROM [database.]table [PARTITIONS(p1,p2)] |
| [WHERE where_condition] |
| [ORDER BY col_name] |
| [LIMIT [offset,] row_count] |
| ``` |
| |
| 1. **Syntax Description:** |
| |
| where_condition could be one of: |
| ``` |
| Version = version |
| state = "NORMAL|ROLLUP|CLONE|DECOMMISSION" |
| BackendId = backend_id |
| IndexName = rollup_name |
| ``` |
| or compound them with operator `AND`. |
| |
| ### Example |
| |
| 1. list all tablets of the specified table |
| |
| ```sql |
| SHOW TABLETS FROM example_db.table_name; |
| ``` |
| |
| 2. list all tablets of the specified partitions |
| |
| ```sql |
| SHOW TABLETS FROM example_db.table_name PARTITIONS(p1, p2); |
| ``` |
| |
| 3. list all DECOMMISSION tablets on the specified backend |
| |
| ```sql |
| SHOW TABLETS FROM example_db.table_name WHERE state="DECOMMISSION" AND BackendId=11003; |
| ``` |
| |
| ### Keywords |
| |
| SHOW, TABLETS |
| |
| ### Best Practice |
| |