Github user ron8hu commented on the issue:
https://github.com/apache/spark/pull/16395
@wzhfy For predicate condition d_date >= '2000-01-27', we do not support it
because Spark SQL cast d_date column to String first before comparison. For
predicate condition d_date >= cast('2000-01-27' AS DATE), CBO supports it by
comparing values in date type.
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