invalid format for datetime

[HarrisChu]

(root@nebula) [sf100]> return datetime("1659602415")
+------------------------------+
| datetime("1659602415")       |
+------------------------------+
| -31249-01-01T00:00:00.000000 |
+------------------------------+
Got 1 rows (time spent 298/12422 us)

Thu, 04 Aug 2022 16:52:09 CST

we support datetime string, e.g. "2017-03-04T22:30:40.003000[Asia/Shanghai]"
and "1659602415" should be prevented.

[HarrisChu]

in neo4j