SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Literal \'a1\' (alias _file)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_02302
   Function like (children 1)
    ExpressionList (children 2)
     Identifier _file
     Literal \'%1\'
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier a