[jira] [Created] (CALCITE-3354) RelToSqlConverter does not support LogicalTableFunctionScan

["Anton Haidai (Jira)" <ji...@apache.org>]

Anton Haidai created CALCITE-3354:
-------------------------------------

             Summary: RelToSqlConverter does not support LogicalTableFunctionScan
                 Key: CALCITE-3354
                 URL: https://issues.apache.org/jira/browse/CALCITE-3354
             Project: Calcite
          Issue Type: Bug
    Affects Versions: 1.21.0
            Reporter: Anton Haidai


Here is the test in *RelBuilderTest* to reproduce the isse (the right place for this test is RelToSqlConverterTest, but it does not have test table functions configured):
{code}
  @Test
  public void testFailToConvertLogicalTableFunctionScanToSql() {
    final RelBuilder builder = RelBuilder.create(config().build());
    final SqlOperator rampFunction = new MockSqlOperatorTable.RampFunction();
    RelNode root = builder.functionScan(rampFunction, 0, builder.literal(3))
        .build();
    toSql(root, CalciteSqlDialect.DEFAULT);
  }

  private static String toSql(RelNode root, SqlDialect dialect) {
    final RelToSqlConverter converter = new RelToSqlConverter(dialect);
    final SqlNode sqlNode = converter.visitChild(0, root).asStatement();
    return sqlNode.toSqlString(dialect).getSql();
  }
{code}

Result: 
{code}
java.lang.RuntimeException: While invoking method 'public org.apache.calcite.rel.rel2sql.SqlImplementor$Result org.apache.calcite.rel.rel2sql.RelToSqlConverter.visit(org.apache.calcite.rel.RelNode)'

	at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:527)
	at org.apache.calcite.rel.rel2sql.RelToSqlConverter.dispatch(RelToSqlConverter.java:122)
	at org.apache.calcite.rel.rel2sql.RelToSqlConverter.visitChild(RelToSqlConverter.java:128)
	at org.apache.calcite.test.RelBuilderTest.toSql(RelBuilderTest.java:331)
	at org.apache.calcite.test.RelBuilderTest.testFailToConvertLogicalTableFunctionScanToSql(RelBuilderTest.java:326)
	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)
Caused by: java.lang.reflect.InvocationTargetException
	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.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:524)
	... 26 more
Caused by: java.lang.AssertionError: Need to implement org.apache.calcite.rel.logical.LogicalTableFunctionScan
	at org.apache.calcite.rel.rel2sql.RelToSqlConverter.visit(RelToSqlConverter.java:136)
	... 31 more
{code}



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