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https://issues.apache.org/jira/browse/HIVE-3454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14326158#comment-14326158
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Brock Noland commented on HIVE-3454:
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Have we tested this as part of an MR job? I don't think that the hive-site.xml
is shipped as part of MR jobs. If that is true, how about we do as follows:
1) Add method {{public static void initialize(Configuration)}} to
{{TimestampWritable}}
2) Call this method from {{AbstractSerDe.initialize}} which should be called,
with configuration, in all the right places.
3) In {{TimestampWritable.Configuration}} you can use the static
{{HiveCon.getBoolVar}}
a bit kludgy but it should work. This all assuming the current impl doesn't
work.
bq. "timestamp conversion."
I think we need a space after this.
> Problem with CAST(BIGINT as TIMESTAMP)
> --------------------------------------
>
> Key: HIVE-3454
> URL: https://issues.apache.org/jira/browse/HIVE-3454
> Project: Hive
> Issue Type: Bug
> Components: Types, UDF
> Affects Versions: 0.8.0, 0.8.1, 0.9.0, 0.10.0, 0.11.0, 0.12.0, 0.13.0,
> 0.13.1
> Reporter: Ryan Harris
> Assignee: Aihua Xu
> Labels: newbie, newdev, patch
> Attachments: HIVE-3454.1.patch.txt, HIVE-3454.2.patch,
> HIVE-3454.3.patch, HIVE-3454.3.patch, HIVE-3454.patch
>
>
> Ran into an issue while working with timestamp conversion.
> CAST(unix_timestamp() as TIMESTAMP) should create a timestamp for the current
> time from the BIGINT returned by unix_timestamp()
> Instead, however, a 1970-01-16 timestamp is returned.
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