[jira] [Created] (CALCITE-608) Exception is thrown when RelMdDistribution for Project operator is called

["Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org>]

Jesus Camacho Rodriguez created CALCITE-608:
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             Summary: Exception is thrown when RelMdDistribution for Project operator is called
                 Key: CALCITE-608
                 URL: https://issues.apache.org/jira/browse/CALCITE-608
             Project: Calcite
          Issue Type: Bug
            Reporter: Jesus Camacho Rodriguez
            Assignee: Jesus Camacho Rodriguez


The following Exception is thrown when the distribution metadata provider for Project is called:

{noformat}
Caused by: java.lang.AssertionError
at org.apache.calcite.util.mapping.Mappings.create(Mappings.java:62)
at org.apache.calcite.rel.core.Project.getMapping(Project.java:283)
at org.apache.calcite.rel.metadata.RelMdDistribution.project(RelMdDistribution.java:140)
at org.apache.calcite.rel.metadata.RelMdDistribution.distribution(RelMdDistribution.java:87)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.calcite.rel.metadata.ReflectiveRelMetadataProvider$2$1.invoke(ReflectiveRelMetadataProvider.java:194)
at com.sun.proxy.$Proxy31.distribution(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
...
{noformat}

It looks like the assertion is too strict.



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