SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier pk
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier y
     Literal UInt64_44
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier ALL
