vrozov commented on code in PR #5868:
URL: https://github.com/apache/hive/pull/5868#discussion_r2167577591
##########
ql/src/java/org/apache/hadoop/hive/ql/io/BatchToRowReader.java:
##########
@@ -518,7 +521,8 @@ public static TimestampWritableV2
nextTimestamp(ColumnVector vector,
result = (TimestampWritableV2) previous;
}
TimestampColumnVector tcv = (TimestampColumnVector) vector;
- result.setInternal(tcv.time[row], tcv.nanos[row]);
+ result.set(Timestamp.ofEpochSecond(Math.floorDiv(tcv.time[row], 1000L),
tcv.nanos[row],
+ tcv.isUTC() ? ZoneOffset.UTC : ZoneId.systemDefault()));
Review Comment:
> You've introduced functionality to support non-UTC timezones
To be correct, I have not introduced that functionality. Hive 2.x uses local
time zone. ORC readers and `TimestampColumnVector` already support both UTC and
local time zone as well. The only functionality that this PR targets is
supporting proper conversion from `TimestampColumnVector` to
`TimestampWritableV2` both for local and UTC time zones.
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