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Posted to notifications@shardingsphere.apache.org by "strongduanmu (via GitHub)" <gi...@apache.org> on 2023/03/16 06:20:04 UTC

[GitHub] [shardingsphere] strongduanmu opened a new issue, #24642: Execute `select count(*) from information_schema.SCHEMATA;` error when I only config readwrite-splitting

strongduanmu opened a new issue, #24642:
URL: https://github.com/apache/shardingsphere/issues/24642

   ## Bug Report
   
   ### Which version of ShardingSphere did you use?
   
   https://github.com/apache/shardingsphere/commit/2ec734df909b32651aa1f7aebd8ea169e1c03738
   
   ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
   
   ShardingSphere-Proxy
   
   ### Expected behavior
   
   Execute `select count(*) from information_schema.STATISTICS;` successfully when I only config readwrite-splitting
   
   ### Actual behavior
   
   ![img_v2_2e1f70c5-a06c-47c8-a04f-747229924c4g](https://user-images.githubusercontent.com/10829171/225531812-613c7842-d388-411f-adbe-b4c82699e6b1.jpg)
   
   ### Reason analyze (If you can)
   
   ### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.
   
   ### Example codes for reproduce this issue (such as a github link).
   


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[GitHub] [shardingsphere] tristaZero closed issue #24642: Execute `select count(*) from information_schema.SCHEMATA;` error when I only config readwrite-splitting

Posted by "tristaZero (via GitHub)" <gi...@apache.org>.
tristaZero closed issue #24642: Execute `select count(*) from information_schema.SCHEMATA;` error when I only config readwrite-splitting
URL: https://github.com/apache/shardingsphere/issues/24642


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[GitHub] [shardingsphere] strongduanmu commented on issue #24642: Execute `select count(*) from information_schema.SCHEMATA;` error when I only config readwrite-splitting

Posted by "strongduanmu (via GitHub)" <gi...@apache.org>.
strongduanmu commented on issue #24642:
URL: https://github.com/apache/shardingsphere/issues/24642#issuecomment-1471426031

   <img width="553" alt="image" src="https://user-images.githubusercontent.com/10829171/225540705-111297a9-160b-4ad0-9bd5-e1fcfbfee24f.png">
   


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[GitHub] [shardingsphere] strongduanmu commented on issue #24642: Execute `select count(*) from information_schema.SCHEMATA;` error when I only config readwrite-splitting

Posted by "strongduanmu (via GitHub)" <gi...@apache.org>.
strongduanmu commented on issue #24642:
URL: https://github.com/apache/shardingsphere/issues/24642#issuecomment-1471424308

   After the pr merged, we can use following sql to register datasource for system database, and then execute system table select statement.
   
   ```
   USE information_schema;
   
   REGISTER STORAGE UNIT information_schema (
       URL="jdbc:mysql://127.0.0.1:3306/information_schema?clusterInstanceHostPattern=?.cluster-cpmlacsg9h47.rds.cn-northwest-1.amazonaws.com.cn",
       USER="root",
       PASSWORD="123456",
       PROPERTIES("minPoolSize"="1","maxPoolSize"="20","idleTimeout"="60000", "connectionTimeoutMilliseconds"="30000")
   );
   
   USE mysql;
   
   REGISTER STORAGE UNIT mysql (
       URL="jdbc:mysql://127.0.0.1:3306/mysql?clusterInstanceHostPattern=?.cluster-cpmlacsg9h47.rds.cn-northwest-1.amazonaws.com.cn",
       USER="root",
       PASSWORD="123456",
       PROPERTIES("minPoolSize"="1","maxPoolSize"="20","idleTimeout"="60000", "connectionTimeoutMilliseconds"="30000")
   );
   
   USE performance_schema;
   
   REGISTER STORAGE UNIT performance_schema (
       URL="jdbc:mysql://127.0.0.1:3306/performance_schema?clusterInstanceHostPattern=?.cluster-cpmlacsg9h47.rds.cn-northwest-1.amazonaws.com.cn",
       USER="root",
       PASSWORD="123456",
       PROPERTIES("minPoolSize"="1","maxPoolSize"="20","idleTimeout"="60000", "connectionTimeoutMilliseconds"="30000")
   );
   
   USE sys;
   
   REGISTER STORAGE UNIT sys (
       URL="jdbc:mysql://127.0.0.1:3306/sys?clusterInstanceHostPattern=?.cluster-cpmlacsg9h47.rds.cn-northwest-1.amazonaws.com.cn",
       USER="root",
       PASSWORD="123456",
       PROPERTIES("minPoolSize"="1","maxPoolSize"="20","idleTimeout"="60000", "connectionTimeoutMilliseconds"="30000")
   );
   ```


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