You are viewing a plain text version of this content. The canonical link for it is here.
Posted to notifications@shardingsphere.apache.org by "TeslaCN (via GitHub)" <gi...@apache.org> on 2023/05/25 05:58:39 UTC
[GitHub] [shardingsphere] TeslaCN opened a new issue, #25879: NullPointerException occurred when using MySQL 8.0.19 TABLE statement
TeslaCN opened a new issue, #25879:
URL: https://github.com/apache/shardingsphere/issues/25879
## Bug Report
### Which version of ShardingSphere did you use?
5.3.2
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
Proxy
### Expected behavior
MySQL 8.0.19 TABLE statement worked.
https://dev.mysql.com/doc/refman/8.0/en/table.html
### Actual behavior
```
mysql> table f;
ERROR 30000 (HY000): Unknown exception: Cannot invoke "org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.ProjectionsSegment.isDistinctRow()" because the return value of "org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement.getProjections()" is null
mysql> table f order by id;
ERROR 30000 (HY000): Unknown exception: Cannot invoke "org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.ProjectionsSegment.getProjections()" because "projectionsSegment" is null
```
```
[ERROR] 2023-05-25 13:55:24.830 [ShardingSphere-Command-1] o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.lang.NullPointerException: Cannot invoke "org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.ProjectionsSegment.getProjections()" because "projectionsSegment" is null
at org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionsContextEngine.getProjections(ProjectionsContextEngine.java:76)
at org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionsContextEngine.createProjectionsContext(ProjectionsContextEngine.java:67)
at org.apache.shardingsphere.infra.binder.statement.dml.SelectStatementContext.<init>(SelectStatementContext.java:118)
at org.apache.shardingsphere.infra.binder.SQLStatementContextFactory.getDMLStatementContext(SQLStatementContextFactory.java:166)
at org.apache.shardingsphere.infra.binder.SQLStatementContextFactory.newInstance(SQLStatementContextFactory.java:149)
at org.apache.shardingsphere.infra.binder.SQLStatementContextFactory.newInstance(SQLStatementContextFactory.java:134)
at org.apache.shardingsphere.proxy.backend.handler.ProxyBackendHandlerFactory.getDatabaseAdminBackendHandler(ProxyBackendHandlerFactory.java:284)
at org.apache.shardingsphere.proxy.backend.handler.ProxyBackendHandlerFactory.newInstance(ProxyBackendHandlerFactory.java:122)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.<init>(MySQLComQueryPacketExecutor.java:69)
at org.apache.shardingsphere.proxy.frontend.mysql.command.MySQLCommandExecutorFactory.newInstance(MySQLCommandExecutorFactory.java:78)
at org.apache.shardingsphere.proxy.frontend.mysql.command.MySQLCommandExecuteEngine.getCommandExecutor(MySQLCommandExecuteEngine.java:64)
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 com.alibaba.ttl.TtlRunnable.run(TtlRunnable.java:60)
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)
```
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: notifications-unsubscribe@shardingsphere.apache.org.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
[GitHub] [shardingsphere] zihaoAK47 commented on issue #25879: NullPointerException occurred when using MySQL 8.0.19 TABLE statement
Posted by "zihaoAK47 (via GitHub)" <gi...@apache.org>.
zihaoAK47 commented on issue #25879:
URL: https://github.com/apache/shardingsphere/issues/25879#issuecomment-1608839957
@TeslaCN Hi, Can I take a look at this problem? I want to try to solve it. :grin:
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: notifications-unsubscribe@shardingsphere.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
[GitHub] [shardingsphere] TeslaCN closed issue #25879: NullPointerException occurred when using MySQL 8.0.19 TABLE statement
Posted by "TeslaCN (via GitHub)" <gi...@apache.org>.
TeslaCN closed issue #25879: NullPointerException occurred when using MySQL 8.0.19 TABLE statement
URL: https://github.com/apache/shardingsphere/issues/25879
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: notifications-unsubscribe@shardingsphere.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org