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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2021/06/09 05:33:03 UTC
[GitHub] [iceberg] aimenglin opened a new issue #2687: Could Hive use Time Travel if the overlay iceberg table is created as a Hadoop Table?
aimenglin opened a new issue #2687:
URL: https://github.com/apache/iceberg/issues/2687
Hi Iceberg experts,
I am wondering about if we could enjoy the gourmet of the Iceberg when we are using Hive (shell) when the underlying Iceberg Table was created as a *Hadoop Table*.
According to the documentation ([page](https://iceberg.apache.org/hive/#hive-read-support)) we could create a overlay table directly in Hive by the support from StorageHandler like:
```
CREATE EXTERNAL TABLE table_a
STORED BY 'org.apache.iceberg.mr.hive.HiveIcebergStorageHandler'
LOCATION 'hdfs://some_bucket/some_path/table_a';
```
But I am not sure after the creation, how to use (if it is available?) the cool features of Iceberg like Snapshot Read or doing some simple checking of its metadata tables like Snapshot, Manifests etc.
Thanks for your attention in advance!
Best
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[GitHub] [iceberg] marton-bod commented on issue #2687: Could Hive use Time Travel if the overlay iceberg table is created as a Hadoop Table?
Posted by GitBox <gi...@apache.org>.
marton-bod commented on issue #2687:
URL: https://github.com/apache/iceberg/issues/2687#issuecomment-864976080
I'm closing this issue. Thanks for reaching out. Feel free to post questions though, if any.
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[GitHub] [iceberg] pvary closed issue #2687: Could Hive use Time Travel if the overlay iceberg table is created as a Hadoop Table?
Posted by GitBox <gi...@apache.org>.
pvary closed issue #2687:
URL: https://github.com/apache/iceberg/issues/2687
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[GitHub] [iceberg] marton-bod commented on issue #2687: Could Hive use Time Travel if the overlay iceberg table is created as a Hadoop Table?
Posted by GitBox <gi...@apache.org>.
marton-bod commented on issue #2687:
URL: https://github.com/apache/iceberg/issues/2687#issuecomment-858006838
Hi @aimenglin. Thanks for reaching out! Unfortunately we don't have support for Time Travel queries on the Hive side. Time Travel support would require the extension of the Hive query language which is not possible with the Hive versions (Hive 2.3 and Hive 3.1) that Iceberg depends on. Please refer to our more up-to-date documentation for the full feature set supported by Hive: https://github.com/apache/iceberg/blob/master/site/docs/hive.md
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[GitHub] [iceberg] pvary closed issue #2687: Could Hive use Time Travel if the overlay iceberg table is created as a Hadoop Table?
Posted by GitBox <gi...@apache.org>.
pvary closed issue #2687:
URL: https://github.com/apache/iceberg/issues/2687
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[GitHub] [iceberg] marton-bod commented on issue #2687: Could Hive use Time Travel if the overlay iceberg table is created as a Hadoop Table?
Posted by GitBox <gi...@apache.org>.
marton-bod commented on issue #2687:
URL: https://github.com/apache/iceberg/issues/2687#issuecomment-864976080
I'm closing this issue. Thanks for reaching out. Feel free to post questions though, if any.
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[GitHub] [iceberg] aimenglin commented on issue #2687: Could Hive use Time Travel if the overlay iceberg table is created as a Hadoop Table?
Posted by GitBox <gi...@apache.org>.
aimenglin commented on issue #2687:
URL: https://github.com/apache/iceberg/issues/2687#issuecomment-858082551
@marton-bod Thank you for the guide. I'll look into it.
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