SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    QualifiedAsterisk (children 1)
     Identifier t1
    QualifiedAsterisk (children 1)
     Identifier t2
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t1
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t2
     TableJoin (children 1)
      Function and (children 1)
       ExpressionList (children 2)
        Function equals (children 1)
         ExpressionList (children 2)
          Identifier t1.x
          Identifier t2.x
        Function equals (children 1)
         ExpressionList (children 2)
          Function toUInt64 (children 1)
           ExpressionList (children 1)
            Identifier t1.x
          Function intDiv (children 1)
           ExpressionList (children 2)
            Identifier t2.y
            Literal UInt64_10
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier x
    OrderByElement (children 1)
     Identifier t2.y