Github user omalley commented on the issue:
https://github.com/apache/orc/pull/220
Here is another way to look at the problem with each timestamp's getTime()
and getNanos():
Timestamp 1969-12-25 12:34:56.0 as -530704000 and 0
Timestamp 1969-12-25 12:34:56.0001 as -530704000 and 100000
Timestamp 1969-12-25 12:34:56.0011 as -530703999 and 1100000
When we use getTime()/1000 the change happens between .000999999 and
.001000000.
If you don't think that Java will change, we could hard code the change to
use 999_999 all of the time and not do the test.
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