whole_func_string: function(collectionName, where, key, parentKey) {
          return sql.build(collectionName, where, sql.predicate, ' AND ', undefined, parentKey);
      }
func_code_string: function(collectionName, where, key, parentKey) {
          return sql.build(collectionName, where, sql.predicate, ' AND ', undefined, parentKey);
      }
func_documentation_string: Starting point for predicate evaluation parentKey => if set, look for comparators and apply them to the parent key