SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 4)
    Function tuple (alias key) (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier y
    Function dictHas (children 1)
     ExpressionList (children 2)
      Literal \'01760_db.dict_array\'
      Identifier key
    Function dictHas (children 1)
     ExpressionList (children 2)
      Literal \'01760_db.dict_array\'
      Identifier key
    Function dictHas (children 1)
     ExpressionList (children 2)
      Literal \'01760_db.dict_array\'
      Identifier key
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier 01760_db.points
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier x
    OrderByElement (children 1)
     Identifier y
