Invalid code generated for ROW_NUMBER function in Enumerable convention

diff --git a/core/src/test/java/org/apache/calcite/test/JdbcTest.java b/core/src/test/java/org/apache/calcite/test/JdbcTest.java
index 68cd66114..1ef38e874 100644
--- a/core/src/test/java/org/apache/calcite/test/JdbcTest.java
+++ b/core/src/test/java/org/apache/calcite/test/JdbcTest.java
@@ -1296,6 +1296,13 @@ private void checkResultSetMetaData(Connection connection, String sql)
             + "c0=1998\n");
   }
 
+  @Test void testRowNumber() {
+    CalciteAssert.that()
+        .with(CalciteAssert.Config.JDBC_SCOTT)
+        .query("select row_number() over () from dept")
+        .returnsUnordered("1", "2");
+  }
+
   /** Test case for
    * <a href="https://issues.apache.org/jira/browse/CALCITE-2894">[CALCITE-2894]
    * NullPointerException thrown by RelMdPercentageOriginalRows when explaining

java.sql.SQLException: Error while executing SQL "select row_number() over () from dept": Error while compiling generated Java code:
public org.apache.calcite.linq4j.Enumerable bind(final org.apache.calcite.DataContext root) {
  final org.apache.calcite.runtime.ResultSetEnumerable enumerable = org.apache.calcite.runtime.ResultSetEnumerable.of((javax.sql.DataSource) root.getRootSchema().getSubSchema("JDBC_SCOTT").unwrap(javax.sql.DataSource.class), "SELECT\nFROM \"SCOTT\".\"DEPT\"", new org.apache.calcite.linq4j.function.Function1() {
    public org.apache.calcite.linq4j.function.Function0 apply(final java.sql.ResultSet resultSet) {
      return new org.apache.calcite.linq4j.function.Function0() {
          public Object apply() {
            try {
              return new Object[0];
            } catch (java.sql.SQLException e) {
              throw new RuntimeException(
                e);
            }
          }
        }
      ;
    }
    public Object apply(final Object resultSet) {
      return apply(
        (java.sql.ResultSet) resultSet);
    }
  }
  );
  enumerable.setTimeout(root);
  int prevStart;
  int prevEnd;
  final java.util.Comparator comparator = new java.util.Comparator(){
    public int compare(org.apache.calcite.runtime.FlatLists.ComparableList v0, org.apache.calcite.runtime.FlatLists.ComparableList v1) {
      int c;
      return 0;
    }

    public int compare(Object o0, Object o1) {
      return this.compare((org.apache.calcite.runtime.FlatLists.ComparableList) o0, (org.apache.calcite.runtime.FlatLists.ComparableList) o1);
    }

  };
  final java.util.List _tempList = (java.util.List) enumerable.into(new java.util.ArrayList());
  final java.util.Iterator iterator = org.apache.calcite.runtime.SortedMultiMap.singletonArrayIterator(comparator, _tempList);
  final java.util.ArrayList _list = new java.util.ArrayList(
    _tempList.size());
  long a0w0 = 0L;
  while (iterator.hasNext()) {
    final Object[] _rows = (Object[]) iterator.next();
    prevStart = -1;
    prevEnd = 2147483647;
    for (int i = 0; i < _rows.length; (++i)) {
      if (i != prevEnd) {
        int actualStart = i < prevEnd ? 0 : prevEnd + 1;
        prevEnd = i;
        a0w0 = ((Number)org.apache.calcite.linq4j.tree.Primitive.of(long.class).numberValueRoundDown((i - 0 + 1))).longValue();
      }
      _list.add(a0w0);
    }
  }
  _tempList.clear();
  return org.apache.calcite.linq4j.Linq4j.asEnumerable(_list);
}


public Class getElementType() {
  return long.class;
}