SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function arrayEnumerateUniq (children 1)
     ExpressionList (children 2)
      Function arrayMap (children 1)
       ExpressionList (children 3)
        Function lambda (children 1)
         ExpressionList (children 2)
          Function tuple (children 1)
           ExpressionList (children 2)
            Identifier a
            Identifier b
          Function tuple (children 1)
           ExpressionList (children 2)
            Identifier a
            Identifier b
        Identifier n.x
        Identifier n.y
      Function arrayMap (children 1)
       ExpressionList (children 3)
        Function lambda (children 1)
         ExpressionList (children 2)
          Function tuple (children 1)
           ExpressionList (children 2)
            Identifier a
            Identifier b
          Function tuple (children 1)
           ExpressionList (children 2)
            Identifier b
            Identifier a
        Identifier n.x
        Identifier n.y
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tab_00650
