[jira] [Created] (CALCITE-3031) AssertionError: correlation id $cor0 not found in correlation list []

["Haisheng Yuan (JIRA)" <ji...@apache.org>]

Haisheng Yuan created CALCITE-3031:
--------------------------------------

             Summary: AssertionError: correlation id $cor0 not found in correlation list []
                 Key: CALCITE-3031
                 URL: https://issues.apache.org/jira/browse/CALCITE-3031
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: Haisheng Yuan


Repro:

{code:java}
@Test public void testSelectAnyCorrelated() {
    final String sql = "select empno > any(select deptno from dept where emp.job = dept.name) from emp\n"
        ;
    checkSubQuery(sql).withLateDecorrelation(true).check();
  }
{code}

Error:
{code:java}
java.lang.AssertionError: correlation id $cor0 not found in correlation list []

	at org.apache.calcite.util.Litmus$1.fail(Litmus.java:31)
	at org.apache.calcite.rex.RexChecker.visitCorrelVariable(RexChecker.java:174)
	at org.apache.calcite.rex.RexChecker.visitCorrelVariable(RexChecker.java:57)
	at org.apache.calcite.rex.RexCorrelVariable.accept(RexCorrelVariable.java:47)
	at org.apache.calcite.rex.RexVisitorImpl.visitFieldAccess(RexVisitorImpl.java:98)
	at org.apache.calcite.rex.RexChecker.visitFieldAccess(RexChecker.java:149)
	at org.apache.calcite.rex.RexChecker.visitFieldAccess(RexChecker.java:57)
	at org.apache.calcite.rex.RexFieldAccess.accept(RexFieldAccess.java:81)
	at org.apache.calcite.rex.RexChecker.visitCall(RexChecker.java:140)
	at org.apache.calcite.rex.RexChecker.visitCall(RexChecker.java:57)
	at org.apache.calcite.rex.RexCall.accept(RexCall.java:191)
	at org.apache.calcite.rel.core.Filter.isValid(Filter.java:120)
	at org.apache.calcite.test.SqlToRelConverterTest$RelValidityChecker.visit(SqlToRelConverterTest.java:3312)
	at org.apache.calcite.rel.SingleRel.childrenAccept(SingleRel.java:72)
	at org.apache.calcite.rel.RelVisitor.visit(RelVisitor.java:44)
{code}

The plan after SubQueryRemoveRule is:

{code:xml}
LogicalProject(EXPR$0=[CAST(OR(AND(IS TRUE(>($0, $9)), <>($10, 0)), AND(>($10, $11), null, <>($10, 0), IS NOT TRUE(>($0, $9))), AND(>($0, $9), <>($10, 0), IS NOT TRUE(>($0, $9)), <=($10, $11)))):BOOLEAN NOT NULL])
  LogicalJoin(condition=[true], joinType=[inner])
    LogicalTableScan(table=[[CATALOG, SALES, EMP]])
    LogicalAggregate(group=[{}], m=[MIN($0)], c=[COUNT()], d=[COUNT($0)])
      LogicalProject(DEPTNO=[$0])
        LogicalFilter(condition=[=($cor0.JOB, $1)])
          LogicalTableScan(table=[[CATALOG, SALES, DEPT]])
{code}

It should be a Correlate, instead of a Join.




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