[jira] [Created] (CALCITE-2893) Type mismatch assertion error when creating join condition

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

Haisheng Yuan created CALCITE-2893:
--------------------------------------

             Summary: Type mismatch assertion error when creating join condition
                 Key: CALCITE-2893
                 URL: https://issues.apache.org/jira/browse/CALCITE-2893
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: Haisheng Yuan


Repro:

{code:java}
@Test public void testValuesLateralJoin() {
    final String q1 = "select *\n"
        + "from (values 2, 5) as t (c)\n"
        + "left join lateral table(\"s\".\"fibonacci2\"(c)) as R(n) on c=n";
      with()
          .with(CalciteConnectionProperty.CONFORMANCE,
              SqlConformanceEnum.LENIENT)
          .query(q1)
          .returnsUnordered("C=2; N=null",
              "C=2; N=null",
              "C=2; N=2",
              "C=5; N=null",
              "C=5; N=null",
              "C=5; N=null",
              "C=5; N=null",
              "C=5; N=5");
  }
{code}

Error message:
{code:java}
java.lang.AssertionError: type mismatch:
ref:
BIGINT NOT NULL
input:
BIGINT

	at org.apache.calcite.util.Litmus$1.fail(Litmus.java:31)
	at org.apache.calcite.plan.RelOptUtil.eq(RelOptUtil.java:1832)
	at org.apache.calcite.rex.RexChecker.visitInputRef(RexChecker.java:125)
	at org.apache.calcite.rex.RexChecker.visitInputRef(RexChecker.java:57)
	at org.apache.calcite.rex.RexInputRef.accept(RexInputRef.java:112)
	at org.apache.calcite.rex.RexChecker.visitCall(RexChecker.java:140)
	at org.apache.calcite.rex.RexChecker.visitCall(RexChecker.java:57)
	at org.apache.calcite.rex.RexCall.accept(RexCall.java:190)
	at org.apache.calcite.rel.core.Filter.isValid(Filter.java:120)
	at org.apache.calcite.rel.logical.LogicalFilter.<init>(LogicalFilter.java:70)
	at org.apache.calcite.rel.logical.LogicalFilter.create(LogicalFilter.java:114)
	at org.apache.calcite.rel.logical.LogicalFilter.create(LogicalFilter.java:101)
	at org.apache.calcite.rel.core.RelFactories$FilterFactoryImpl.createFilter(RelFactories.java:295)
	at org.apache.calcite.sql2rel.SqlToRelConverter.createJoin(SqlToRelConverter.java:2413)
	at org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2065)
	at org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:644)
	at org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:625)
	at org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3080)
	at org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:561)
{code}

Even literal is definitely not null, we should still be able to compare the two.



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