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Julian Hyde edited comment on CALCITE-3484 at 11/18/19 10:18 PM: ----------------------------------------------------------------- Without spending several hours figuring it out, I don't know. That CASE condition is incredibly complex. Have you tried using {{SqlToRelConverter}} with {{Config.isExpand()}} false? Then it will create {{RexSubQuery}} expressions that can be handled by {{SubQueryRemoveRule}}. was (Author: julianhyde): Without spending several hours figuring it out, I don't know. That CASE condition is incredibly complex. Have you tried using {{SqlToRelConverter}} with {{Config.isExpand()}} false? Then it will create {RexSubQuery}} expressions that can be handled by {{SubQueryRemoveRule}}. > SqlToRelConverter: ClassCastException when processing a query with ANY and > UNNEST > --------------------------------------------------------------------------------- > > Key: CALCITE-3484 > URL: https://issues.apache.org/jira/browse/CALCITE-3484 > Project: Calcite > Issue Type: Bug > Affects Versions: 1.21.0 > Reporter: Ruben Q L > Priority: Major > > The problem can be reproduced by adding the following test to > SqlToRelConverterTest.java: > {code} > @Test public void testEqAnyUnnest() { > final String sql = "select d.deptno from dept_nested d WHERE 'john' = ANY > (SELECT e.ename from UNNEST(d.employees) e)"; > sql(sql).ok(); > } > {code} > Which throws the following exception: > {code} > java.lang.ClassCastException: org.apache.calcite.rel.logical.LogicalCorrelate > cannot be cast to org.apache.calcite.rel.core.Join > at > org.apache.calcite.sql2rel.SqlToRelConverter.translateIn(SqlToRelConverter.java:1285) > at > org.apache.calcite.sql2rel.SqlToRelConverter.substituteSubQuery(SqlToRelConverter.java:1157) > at > org.apache.calcite.sql2rel.SqlToRelConverter.replaceSubQueries(SqlToRelConverter.java:1013) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertWhere(SqlToRelConverter.java:979) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:648) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:626) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3180) > at > org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:562) > at > org.apache.calcite.test.SqlToRelTestBase$TesterImpl.convertSqlToRel(SqlToRelTestBase.java:626) > at > org.apache.calcite.test.SqlToRelTestBase$TesterImpl.assertConvertsTo(SqlToRelTestBase.java:745) > at > org.apache.calcite.test.SqlToRelConverterTest$Sql.convertsTo(SqlToRelConverterTest.java:3664) > at > org.apache.calcite.test.SqlToRelConverterTest$Sql.ok(SqlToRelConverterTest.java:3656) > at > org.apache.calcite.test.SqlToRelConverterTest.testEqAnyUnnest(SqlToRelConverterTest.java:1266) > 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) > {code} > Note that the following "similar" queries are correctly converted: > {code} > @Test public void testUnnestEq() { > final String sql = "select d.deptno from dept_nested d, > UNNEST(d.employees) e WHERE e.ename = 'john'"; > sql(sql).ok(); > } > @Test public void testInUnnest() { > final String sql = "select d.deptno from dept_nested d WHERE 'john' IN > (SELECT e.ename from UNNEST(d.employees) e)"; > sql(sql).ok(); > } > @Test public void testExistsUnnest() { > final String sql = "select d.deptno from dept_nested d WHERE EXISTS > (SELECT 1 from UNNEST(d.employees) e WHERE e.ename = 'john')"; > sql(sql).ok(); > } > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)