@Override
  public void generateCanonicalizedExpression(StringBuilder clauseBuffer, ExecutionContext context)
      throws TypeMismatchException, NameResolutionException {
    clauseBuffer.insert(0, ')');
    _value.generateCanonicalizedExpression(clauseBuffer, context);
    if (_is_defined) {
      clauseBuffer.insert(0, "IS_DEFINED(");
    } else {
      clauseBuffer.insert(0, "IS_UNDEFINED(");
    }
  }
evaluate as a filter, producing an intermediate result set. This may require iteration if there
is no index available. Asif :The boolean true implies that CompiledComparsion when existing on
its own always requires a Complete expansion to top level iterators. This flag can get toggled
to false only from inside a GroupJunction

<p>
param intermediateResults if this parameter is provided, and we have to iterate, then iterate
over this result set instead of the entire base collection.
geode-core/src/main/java/org/apache/geode/cache/query/internal/CompiledUndefined.java