[jira] [Created] (CALCITE-1268) Union should apply explicit Project over its children if they have different but coercible types

[Maryann Xue (JIRA)]

Maryann Xue created CALCITE-1268:
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             Summary: Union should apply explicit Project over its children if 
they have different but coercible types
                 Key: CALCITE-1268
                 URL: https://issues.apache.org/jira/browse/CALCITE-1268
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.7.0
            Reporter: Maryann Xue
            Assignee: Maryann Xue


Test case in SqlToRelConverterTest:
{code}
  @Test public void testUnionExprTypes() {
    check(
        "select empno, sal from emp "
            + "union all "
            + "select deptno, deptno from dept",
        "${plan}");
  }
{code}



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