public void setAcceptsFields(boolean acceptsFields) {
    this.acceptsFields = acceptsFields;
  }
Translates original conditions back to ExprNodeDesc form (as
a left-deep conjunction).

@param searchConditions (typically produced by analyzePredicate)

@return ExprNodeGenericFuncDesc form of search conditions
ql/src/java/org/apache/hadoop/hive/ql/index/IndexPredicateAnalyzer.java