[
https://issues.apache.org/jira/browse/HIVE-25268?focusedWorklogId=614093&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-614093
]
ASF GitHub Bot logged work on HIVE-25268:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Jun/21 15:53
Start Date: 23/Jun/21 15:53
Worklog Time Spent: 10m
Work Description: guptanikhil007 commented on a change in pull request
#2409:
URL: https://github.com/apache/hive/pull/2409#discussion_r657244949
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFDateFormat.java
##########
@@ -74,30 +72,28 @@ public ObjectInspector initialize(ObjectInspector[]
arguments) throws UDFArgumen
// the function should support both short date and full timestamp format
// time part of the timestamp should not be skipped
checkArgGroups(arguments, 0, tsInputTypes, STRING_GROUP, DATE_GROUP);
- checkArgGroups(arguments, 0, dtInputTypes, STRING_GROUP, DATE_GROUP);
-
checkArgGroups(arguments, 1, tsInputTypes, STRING_GROUP);
obtainTimestampConverter(arguments, 0, tsInputTypes, tsConverters);
- obtainDateConverter(arguments, 0, dtInputTypes, dtConverters);
if (arguments[1] instanceof ConstantObjectInspector) {
String fmtStr = getConstantStringValue(arguments, 1);
if (fmtStr != null) {
try {
- formatter = new SimpleDateFormat(fmtStr);
-
formatter.setCalendar(DateTimeMath.getTimeZonedProlepticGregorianCalendar());
+ if (timeZone == null) {
+ timeZone = SessionState.get() == null ? new
HiveConf().getLocalTimeZone() : SessionState.get().getConf()
+ .getLocalTimeZone();
+ }
+ formatter = DateTimeFormatter.ofPattern(fmtStr).withZone(timeZone);
} catch (IllegalArgumentException e) {
Review comment:
done
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Issue Time Tracking
-------------------
Worklog Id: (was: 614093)
Time Spent: 7h 20m (was: 7h 10m)
> 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: 7h 20m
> 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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