SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 6)
   ExpressionList (children 2)
    Identifier key
    Function any (children 1)
     ExpressionList (children 1)
      Identifier val
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier 03657_gby_overflow
   ExpressionList (children 1)
    Identifier key
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier key
   Literal UInt64_10
   Set
