[
https://issues.apache.org/jira/browse/HIVE-25268?focusedWorklogId=613883&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-613883
]
ASF GitHub Bot logged work on HIVE-25268:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Jun/21 08:24
Start Date: 23/Jun/21 08:24
Worklog Time Spent: 10m
Work Description: ashish-kumar-sharma commented on a change in pull
request #2409:
URL: https://github.com/apache/hive/pull/2409#discussion_r656854401
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFDateFormat.java
##########
@@ -111,17 +123,18 @@ public Object evaluate(DeferredObject[] arguments) throws
HiveException {
// the function should support both short date and full timestamp format
// time part of the timestamp should not be skipped
Timestamp ts = getTimestampValue(arguments, 0, tsConverters);
+
if (ts == null) {
Date d = getDateValue(arguments, 0, dtInputTypes, dtConverters);
if (d == null) {
return null;
}
ts = Timestamp.ofEpochMilli(d.toEpochMilli(id), id);
}
-
-
- date.setTime(ts.toEpochMilli(id));
- String res = formatter.format(date);
+ Timestamp ts2 = TimestampTZUtil.convertTimestampToZone(ts, timeZone,
ZoneId.of("UTC"));
Review comment:
Comment not required
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Issue Time Tracking
-------------------
Worklog Id: (was: 613883)
Time Spent: 6.5h (was: 6h 20m)
> date_format udf doesn't work for dates prior to 1900 if the timezone is
> different from UTC
> ------------------------------------------------------------------------------------------
>
> Key: HIVE-25268
> URL: https://issues.apache.org/jira/browse/HIVE-25268
> Project: Hive
> Issue Type: Bug
> Components: UDF
> Affects Versions: 3.1.0, 3.1.1, 3.1.2, 4.0.0
> Reporter: Nikhil Gupta
> Assignee: Nikhil Gupta
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 6.5h
> Remaining Estimate: 0h
>
> *Hive 1.2.1*:
> {code:java}
> select date_format('1400-01-14 01:00:00', 'yyyy-MM-dd HH:mm:ss z');
> +--------------------------+--+
> | _c0 |
> +--------------------------+--+
> | 1400-01-14 01:00:00 ICT |
> +--------------------------+--+
> select date_format('1800-01-14 01:00:00', 'yyyy-MM-dd HH:mm:ss z');
> +--------------------------+--+
> | _c0 |
> +--------------------------+--+
> | 1800-01-14 01:00:00 ICT |
> +--------------------------+--+
> {code}
> *Hive 3.1, Hive 4.0:*
> {code:java}
> select date_format('1400-01-14 01:00:00', 'yyyy-MM-dd HH:mm:ss z');
> +--------------------------+
> | _c0 |
> +--------------------------+
> | 1400-01-06 01:17:56 ICT |
> +--------------------------+
> select date_format('1800-01-14 01:00:00', 'yyyy-MM-dd HH:mm:ss z');
> +--------------------------+
> | _c0 |
> +--------------------------+
> | 1800-01-14 01:17:56 ICT |
> +--------------------------+
> {code}
> VM timezone is set to 'Asia/Bangkok'
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