[PR] [hive] bugfix jdbc paimon hive client pool (#3004) [paimon]

Tue, 20 Aug 2024 01:46:12 -0700 


mircodee opened a new pull request, #4007:
URL: https://github.com/apache/paimon/pull/4007

   ### Purpose
   1. 修复Paimon的链接Hive的Catalog的BUG：
   - Cached的Key未重写HashCode和Equels方法。
   - Cached的Value，也就是创建Hive的Client的时候，未传递UGI信息。
   
   2. 新增将Paimon的Options作为缓存的Key，降低用户使用复杂程度。
   ```
   DROP CATALOG paimon_thrift;
   CREATE EXTERNAL CATALOG `paimon_thrift`
   PROPERTIES (
     "type"  =  "paimon",
     "paimon.catalog.type"  =  "hive",
     "paimon.catalog.warehouse"  =  "hdfs://localhost:9000/user/hive/warehouse/"
     "hive.metastore.uris"  =  "thrift://localhost:9083",
     'paimon.option.client-pool-cache.keys'='ugi,conf:*'
   );
   set catalog paimon_thrift;
   show databases;
   ```
   
   ### Tests
   
   1. 问题复现
   
![image](https://github.com/user-attachments/assets/0c6dfa52-db2c-4eca-9c6e-0a22a06576ff)
   
   2. 问题修复
   
![image](https://github.com/user-attachments/assets/486d5da5-101d-4496-b07e-eb16b5f9e4b5)
   
   


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