Github user jiangxb1987 commented on the issue:
https://github.com/apache/spark/pull/16561
@QQshu1 As we have mentioned in the comment, the `View` operator is
respected till the end of analysis stage to enable us better understand the
analyzed logical plan. On the Beginning of optimize stage, that operator is no
longer needed, so we apply the `EliminateView` rule.
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