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Posted to notifications@shardingsphere.apache.org by "lklogs (via GitHub)" <gi...@apache.org> on 2023/06/29 01:39:40 UTC
[GitHub] [shardingsphere] lklogs opened a new issue, #26678: ShardingProxy Base transaction mode, "Select for update" execution exception
lklogs opened a new issue, #26678:
URL: https://github.com/apache/shardingsphere/issues/26678
## current environment
- ShardingProxy + Base
- Sharding Proxy：5.3.2
- Seata：1.6.1
- PostgreSQL：13.2
## Steps to reproduce
Open a transaction, execute the select for update statement, and ERROR: portal "C_n" does not exist appears. The steps to reproduce are as follows:
```bash
sharding_db=> begin;
BEGIN
sharding_db=*> select * from ticket where id=1 for update;
ERROR: portal "C_4" does not exist
sharding_db=!> rollback;
```
## Exception Details
```sql
[INFO ] 2023-06-28 18:25:29.725 [Connection-1-ThreadExecutor] i.s.tm.api.DefaultGlobalTransaction - Begin new global transaction [192.168.2.73:8091:5215575959221506544]
[INFO ] 2023-06-28 18:25:32.116 [Connection-1-ThreadExecutor] ShardingSphere-SQL - Logic SQL: select * from ticket where id=1 for update
[INFO ] 2023-06-28 18:25:32.116 [Connection-1-ThreadExecutor] ShardingSphere-SQL - Actual SQL: ds_0 ::: select * from ticket where id=1 for update
[ERROR] 2023-06-28 18:25:32.153 [Connection-1-ThreadExecutor] o.a.s.p.f.c.CommandExecutorTask - Exception occur:
org.postgresql.util.PSQLException: ERROR: portal "C_2" does not exist
at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2676)
at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2366)
at org.postgresql.core.v3.QueryExecutorImpl.fetch(QueryExecutorImpl.java:2562)
at org.postgresql.jdbc.PgResultSet.next(PgResultSet.java:2145)
at com.zaxxer.hikari.pool.HikariProxyResultSet.next(HikariProxyResultSet.java)
at org.apache.shardingsphere.infra.executor.sql.execute.result.query.impl.driver.jdbc.type.stream.JDBCStreamQueryResult.next(JDBCStreamQueryResult.java:53)
at org.apache.shardingsphere.sharding.merge.common.IteratorStreamMergedResult.next(IteratorStreamMergedResult.java:41)
at org.apache.shardingsphere.proxy.backend.connector.DatabaseConnector.next(DatabaseConnector.java:416)
at org.apache.shardingsphere.proxy.frontend.postgresql.command.query.simple.PostgreSQLComQueryExecutor.next(PostgreSQLComQueryExecutor.java:122)
at org.apache.shardingsphere.proxy.frontend.postgresql.command.PostgreSQLCommandExecuteEngine.writeDataPackets(PostgreSQLCommandExecuteEngine.java:107)
at org.apache.shardingsphere.proxy.frontend.postgresql.command.PostgreSQLCommandExecuteEngine.processSimpleQuery(PostgreSQLCommandExecuteEngine.java:94)
at org.apache.shardingsphere.proxy.frontend.postgresql.command.PostgreSQLCommandExecuteEngine.writeQueryData(PostgreSQLCommandExecuteEngine.java:85)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.doExecuteCommand(CommandExecutorTask.java:120)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:109)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:77)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)
[INFO ] 2023-06-28 18:25:34.270 [Connection-1-ThreadExecutor] i.s.tm.api.DefaultGlobalTransaction - Suspending current transaction, xid = 192.168.2.73:8091:5215575959221506544
[INFO ] 2023-06-28 18:25:34.271 [Connection-1-ThreadExecutor] i.s.tm.api.DefaultGlobalTransaction - [192.168.2.73:8091:5215575959221506544] rollback status: Rollbacked
```
## Comparison with other modes
Normal performance in LOCAL mode and Atomikos XA mode
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[GitHub] [shardingsphere] github-actions[bot] commented on issue #26678: ShardingProxy Base transaction mode, "Select for update" execution exception
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #26678:
URL: https://github.com/apache/shardingsphere/issues/26678#issuecomment-1656865781
There hasn't been any activity on this issue recently, and in order to prioritize active issues, it will be marked as stale.
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