SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Identifier name
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.functions
   Function or (children 1)
    ExpressionList (children 3)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier name
       Literal \'ltrim\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier name
       Literal \'rtrim\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier name
       Literal \'trim\'
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier name