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  1. Calcite
  2. CALCITE-2422

Query with unnest of column from nested subquery fails when dynamic table is used

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 1.18.0
    • None
    • None

    Description

      This test:

        @Test public void testStarDynamicSchemaUnnestNestedSubquery() {
          String sql3 = "select * \n"
              + "from (select * from SALES.CUSTOMER) as t1,\n"
              + "unnest(t1.fake_col) as t2";
          sql(sql3).with(getTesterWithDynamicTable()).ok();
        }
      

      placed inĀ SqlToRelConverterTest fails with AssertionError:

      java.lang.AssertionError
      	at org.apache.calcite.sql.SqlUnnestOperator.inferReturnType(SqlUnnestOperator.java:81)
      	at org.apache.calcite.sql.SqlOperator.validateOperands(SqlOperator.java:437)
      	at org.apache.calcite.sql.validate.UnnestNamespace.validateImpl(UnnestNamespace.java:67)
      	at org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:84)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:968)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:944)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3032)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3017)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateJoin(SqlValidatorImpl.java:3069)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3026)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3275)
      	at org.apache.calcite.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:60)
      	at org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:84)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:968)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:944)
      	at org.apache.calcite.sql.SqlSelect.validate(SqlSelect.java:226)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:919)
      	at org.apache.calcite.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:629)
      	at org.apache.calcite.test.SqlToRelTestBase$TesterImpl.convertSqlToRel(SqlToRelTestBase.java:642)
      	at org.apache.calcite.test.SqlToRelTestBase$TesterImpl.assertConvertsTo(SqlToRelTestBase.java:754)
      	at org.apache.calcite.test.SqlToRelConverterTest$Sql.convertsTo(SqlToRelConverterTest.java:2905)
      	at org.apache.calcite.test.SqlToRelConverterTest$Sql.ok(SqlToRelConverterTest.java:2897)
      	at org.apache.calcite.test.SqlToRelConverterTest.testStarDynamicSchemaUnnestNestedSubquery(SqlToRelConverterTest.java:2530)
      	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.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
      	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
      	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
      	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
      	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
      	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
      	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
      	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
      	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
      	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
      	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
      	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
      	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
      	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
      

      The similar query, but on non-dynamic table passes without errors.

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            julianhyde Julian Hyde
            volodymyr Vova Vysotskyi
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              Updated:
              Resolved:

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