xionghao-hw commented on issue #9024:
URL: https://github.com/apache/shardingsphere/issues/9024#issuecomment-760581821
I have tried master branch,, same problem
```
[ERROR] 2021-01-15 09:18:08.189 [pool-4-thread-1]
o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.lang.IllegalStateException: Can not find owner from table.
at
org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionsContextEngine.find(ProjectionsContextEngine.java:198)
at
org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionsContextEngine.findShorthandProjection(ProjectionsContextEngine.java:139)
at
org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionsContextEngine.containsItemWithOwnerInShorthandProjections(ProjectionsContextEngine.java:135)
at
org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionsContextEngine.containsItemInShorthandProjection(ProjectionsContextEngine.java:121)
at
org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionsContextEngine.containsProjection(ProjectionsContextEngine.java:105)
at
org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionsContextEngine.getDerivedOrderColumns(ProjectionsContextEngine.java:96)
at
org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionsContextEngine.getDerivedOrderByColumns(ProjectionsContextEngine.java:88)
at
org.apache.shardingsphere.infra.binder.segment.select.projection.engine.ProjectionsContextEngine.createProjectionsContext(ProjectionsContextEngine.java:71)
at
org.apache.shardingsphere.infra.binder.statement.dml.SelectStatementContext.<init>(SelectStatementContext.java:89)
at
org.apache.shardingsphere.infra.binder.SQLStatementContextFactory.getDMLStatementContext(SQLStatementContextFactory.java:113)
at
org.apache.shardingsphere.infra.binder.SQLStatementContextFactory.newInstance(SQLStatementContextFactory.java:97)
at
org.apache.shardingsphere.proxy.backend.communication.DatabaseCommunicationEngineFactory.createLogicSQL(DatabaseCommunicationEngineFactory.java:82)
at
org.apache.shardingsphere.proxy.backend.communication.DatabaseCommunicationEngineFactory.newBinaryProtocolInstance(DatabaseCommunicationEngineFactory.java:77)
at
org.apache.shardingsphere.proxy.frontend.postgresql.command.query.binary.bind.PostgreSQLComBindExecutor.<init>(PostgreSQLComBindExecutor.java:76)
at
org.apache.shardingsphere.proxy.frontend.postgresql.command.PostgreSQLCommandExecutorFactory.newInstance(PostgreSQLCommandExecutorFactory.java:66)
at
org.apache.shardingsphere.proxy.frontend.postgresql.command.PostgreSQLCommandExecuteEngine.getCommandExecutor(PostgreSQLCommandExecuteEngine.java:61)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:92)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:71)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
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