[jira] [Updated] (CALCITE-3031) Support for correlated ANY/SOME/ALL sub-query

["Vineet Garg (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-3031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vineet Garg updated CALCITE-3031:
---------------------------------
    Summary: Support for correlated ANY/SOME/ALL sub-query  (was: AssertionError: correlation id $cor0 not found in correlation list [])

> Support for correlated ANY/SOME/ALL sub-query
> ---------------------------------------------
>
>                 Key: CALCITE-3031
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3031
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Haisheng Yuan
>            Assignee: Vineet Garg
>            Priority: Major
>
> 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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