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https://issues.apache.org/jira/browse/HIVE-294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12675741#action_12675741
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Prasad Chakka commented on HIVE-294:
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the new grammar will accept queries like this also
FROM src
INSERT OVERWRITE TABLE dest1
MAP src.*, src.key, CAST(src.key / 10 AS INT), CAST(src.key % 10 AS INT),
src.value
USING '/bin/cat' AS (k, v, tkey, ten, one, *)
SORT BY tvalue, tkey;
since the AS parenthesis can also contain tableAllColumns. Would that mean the
remaining columns from the MAP() should map to the remaining columns of src?
> Support MAP(a.*), REDUCE(a.*) and TRANSFORM(a.*)
> ------------------------------------------------
>
> Key: HIVE-294
> URL: https://issues.apache.org/jira/browse/HIVE-294
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.2.0, 0.3.0
> Reporter: Zheng Shao
> Attachments: HIVE-294.1.patch
>
>
> Hive language does not accept MAP(a.*), REDUCE(a.*) and TRANSFORM(a.*) now.
> We should support it.
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