Github user cxzl25 commented on the issue:
https://github.com/apache/spark/pull/18900
**Modify the partition will lose createTime.**
Reading the hive partitions ignores createTime when converting the
CatalogTablePartition, it will also be lost when modifying partitions.
Calling this method SessionCatalog#alterPartitions will be lost createTime.
So can you reopen this pr? @debugger87
```sql
CREATE TABLE `tmp_test_partition`(
`c1` string
)
PARTITIONED BY (
`d` string
);
ALTER TABLE `tmp_test_partition_1` ADD PARTITION (d='1');
ALTER TABLE `tmp_test_partition_1` PARTITION (d='1') SET LOCATION 'xxx';
```
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