SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function count (children 1)
     ExpressionList
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function file (children 1)
       ExpressionList (children 1)
        Literal \'02892.orc\'
   Function indexHint (children 1)
    ExpressionList (children 1)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier string_or_null
       Literal \'\'
