2.0.1 toInteger has a bug

[zhilinglike]

NebulaGraph 2.0.1

"-9223372036854775807" and "-9223372036854775808" toInteger all is -9223372036854775808 ,, Why?

(root@nebula) [t1]> return toInteger("-9223372036854775808")
+-----------------------------------+
| toInteger("-9223372036854775808") |
+-----------------------------------+
| -9223372036854775808              |
+-----------------------------------+
Got 1 rows (time spent 173/536 us)

Sat, 24 Jul 2021 16:53:07 CST

(root@nebula) [t1]> 
(root@nebula) [t1]> 
(root@nebula) [t1]> 
(root@nebula) [t1]> return toInteger("-9223372036854775807")
+-----------------------------------+
| toInteger("-9223372036854775807") |
+-----------------------------------+
| -9223372036854775808              |
+-----------------------------------+
Got 1 rows (time spent 153/453 us)

Sat, 24 Jul 2021 16:53:12 CST