wangyum commented on PR #41332:
URL: https://github.com/apache/spark/pull/41332#issuecomment-1590349150
> @wangyum Yes. We won't push out a change that will produce incorrect
result.
It seems the result is not correct after this patch:
```
scala> spark.sql("CREATE TABLE t1(id int) PARTITIONED BY (dt string);")
res0: org.apache.spark.sql.DataFrame = []
scala> spark.sql("insert into t1 partition(dt = '2023-1-01') select 1;")
res1: org.apache.spark.sql.DataFrame = []
scala> spark.sql("select * from t1 where dt = date '2023-01-01';").show
+---+---+
| id| dt|
+---+---+
+---+---+
scala> spark.sql("set
spark.sql.optimizer.excludedRules=org.apache.spark.sql.catalyst.optimizer.UnwrapCastInBinaryComparison")
res3: org.apache.spark.sql.DataFrame = [key: string, value: string]
scala> spark.sql("select * from t1 where dt = date '2023-01-01';").show
+---+---------+
| id| dt|
+---+---------+
| 1|2023-1-01|
+---+---------+
```
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