SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function max (children 1)
     ExpressionList (children 1)
      Function length (children 1)
       ExpressionList (children 1)
        Function concat (children 1)
         ExpressionList (children 2)
          Identifier a
          Identifier b
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_primary_index_cache
   Function and (children 1)
    ExpressionList (children 2)
     Function greater (children 1)
      ExpressionList (children 2)
       Identifier a
       Literal \'1\'
     Function less (children 1)
      ExpressionList (children 2)
       Identifier b
       Literal \'99\'
   Set
