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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/10/08 10:07:23 UTC
[GitHub] [shardingsphere] strongduanmu opened a new issue, #21392: Unsupported SQL operation: unsupported CommonExpressionSegment occurs when execute sql statement contains case when then
strongduanmu opened a new issue, #21392:
URL: https://github.com/apache/shardingsphere/issues/21392
## Bug Report
### Which version of ShardingSphere did you use?
https://github.com/apache/shardingsphere/commit/e2f2e4491006d7e57615b1926913921e9414b9df
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-Proxy
### Expected behavior
Execute `select t.*,o.item_id as item_id,(case when t.status = 'init' then '已启用' when t.status = 'failed' then '已停用' end) as stateName from t_order t left join t_order_item as o on o.order_id =t.order_id where t.order_id=1000 limit 1` successfully.
### Actual behavior
```
org.apache.shardingsphere.infra.util.exception.external.sql.type.generic.UnsupportedSQLOperationException
at org.apache.shardingsphere.sqlfederation.optimizer.converter.segment.expression.ExpressionConverter.convert(ExpressionConverter.java:67)
at org.apache.shardingsphere.sqlfederation.optimizer.converter.segment.projection.impl.ExpressionProjectionConverter.convert(ExpressionProjectionConverter.java:43)
at org.apache.shardingsphere.sqlfederation.optimizer.converter.segment.projection.ProjectionsConverter.getProjectionSQLNode(ProjectionsConverter.java:60)
at org.apache.shardingsphere.sqlfederation.optimizer.converter.segment.projection.ProjectionsConverter.convert(ProjectionsConverter.java:50)
at org.apache.shardingsphere.sqlfederation.optimizer.converter.statement.select.SelectStatementConverter.convert(SelectStatementConverter.java:48)
at org.apache.shardingsphere.sqlfederation.optimizer.converter.SQLNodeConverterEngine.convert(SQLNodeConverterEngine.java:48)
at org.apache.shardingsphere.infra.federation.converter.parameterized.engine.SQLNodeConverterEngineParameterizedTest.assertConvert(SQLNodeConverterEngineParameterizedTest.java:170)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
at org.junit.runners.Suite.runChild(Suite.java:128)
at org.junit.runners.Suite.runChild(Suite.java:27)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)
at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)
at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)
```
### 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] strongduanmu closed issue #21392: Unsupported SQL operation: unsupported CommonExpressionSegment occurs when execute sql statement contains case when then
Posted by GitBox <gi...@apache.org>.
strongduanmu closed issue #21392: Unsupported SQL operation: unsupported CommonExpressionSegment occurs when execute sql statement contains case when then
URL: https://github.com/apache/shardingsphere/issues/21392
--
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[GitHub] [shardingsphere] strongduanmu commented on issue #21392: Unsupported SQL operation: unsupported CommonExpressionSegment occurs when execute sql statement contains case when then
Posted by GitBox <gi...@apache.org>.
strongduanmu commented on issue #21392:
URL: https://github.com/apache/shardingsphere/issues/21392#issuecomment-1272299880
Ref #19580.
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[GitHub] [shardingsphere] chakkk309 commented on issue #21392: Unsupported SQL operation: unsupported CommonExpressionSegment occurs when execute sql statement contains case when then
Posted by GitBox <gi...@apache.org>.
chakkk309 commented on issue #21392:
URL: https://github.com/apache/shardingsphere/issues/21392#issuecomment-1272529089
Hi, I want to work on this issue.
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[GitHub] [shardingsphere] strongduanmu commented on issue #21392: Unsupported SQL operation: unsupported CommonExpressionSegment occurs when execute sql statement contains case when then
Posted by GitBox <gi...@apache.org>.
strongduanmu commented on issue #21392:
URL: https://github.com/apache/shardingsphere/issues/21392#issuecomment-1273972915
This issue is currently low priority, so I will remove milestone.
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[GitHub] [shardingsphere] strongduanmu commented on issue #21392: Unsupported SQL operation: unsupported CommonExpressionSegment occurs when execute sql statement contains case when then
Posted by GitBox <gi...@apache.org>.
strongduanmu commented on issue #21392:
URL: https://github.com/apache/shardingsphere/issues/21392#issuecomment-1272536037
@chakkk309 Welcome, I will assign this issue to you.
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