SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayLast (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function greaterOrEquals (children 1)
         ExpressionList (children 2)
          Identifier x
          Literal UInt64_2
      Function emptyArrayUInt8 (children 1)
       ExpressionList