fix empty timestamp list inference

shixian.shi

2023-09-06 13c2af5de44d2ac4cb09677ab4fb07f37ade2b98

1
2
3
4
5
6
7
8
9
10
11
12
13    1
14    2
15    3
16    4
17    5
18    6
19    7
20    8
21    9
22    10
23    11
24    12