N Campbell created HIVE-3196:
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Summary: date_add of a timestamp returning a string representation
of the date portion
Key: HIVE-3196
URL: https://issues.apache.org/jira/browse/HIVE-3196
Project: Hive
Issue Type: Bug
Components: SQL
Affects Versions: 0.8.0
Reporter: N Campbell
the following expressions are expected to derive a new timestamp where the
input has been incremented by n days. The resulting value is a string
representation of the date portion (time component truncated)
select date_add(cast(from_unixtime(unix_timestamp()) as timestamp), 5) from
cert.tversion
select date_add(from_unixtime(unix_timestamp()), 5) from cert.tversion
the apache docs do not clarify if the is an implicit type conversion to date or
the docs need updating to day they will support a timestamp type as an input
(which I would expect given the claim to offer timestamp types).
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF
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