[jira] [Created] (CALCITE-2474) SqlAdvisor: NPE in lookupFromHints where FROM is empty

[Vladimir Sitnikov (JIRA)]

Vladimir Sitnikov created CALCITE-2474:
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             Summary: SqlAdvisor: NPE in lookupFromHints where FROM is empty
                 Key: CALCITE-2474
                 URL: https://issues.apache.org/jira/browse/CALCITE-2474
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.17.0
            Reporter: Vladimir Sitnikov
            Assignee: Vladimir Sitnikov


{code:sql}select * from{code}

{noformat}java.lang.NullPointerException
        at 
org.apache.calcite.sql.validate.SqlValidatorImpl.getNamespace(SqlValidatorImpl.java:1070)
        at 
org.apache.calcite.sql.validate.SqlValidatorImpl.lookupFromHints(SqlValidatorImpl.java:707)
        at 
org.apache.calcite.sql.validate.SqlValidatorImpl.lookupSelectHints(SqlValidatorImpl.java:685)
        at 
org.apache.calcite.sql.validate.SqlValidatorImpl.lookupSelectHints(SqlValidatorImpl.java:698)
        at 
org.apache.calcite.sql.validate.SqlValidatorImpl.lookupHints(SqlValidatorImpl.java:652)
        at 
org.apache.calcite.sql.advise.SqlAdvisor.getCompletionHints(SqlAdvisor.java:350)
        at 
org.apache.calcite.sql.advise.SqlAdvisor.getCompletionHints0(SqlAdvisor.java:210)
        at 
org.apache.calcite.sql.advise.SqlAdvisor.getCompletionHints(SqlAdvisor.java:173)
        at 
org.apache.calcite.sql.test.SqlAdvisorTest.assertComplete(SqlAdvisorTest.java:498)
        at 
org.apache.calcite.sql.test.SqlAdvisorTest.testAdviceEmptyFrom(SqlAdvisorTest.java:1349)
        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$1.runReflectiveCall(FrameworkMethod.java:50)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at 
org.apache.calcite.test.SqlValidatorTestCase$TesterConfigurationRule$1.evaluate(SqlValidatorTestCase.java:663){noformat}



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