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https://issues.apache.org/jira/browse/HIVE-1497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929742#action_12929742
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John Sichi commented on HIVE-1497:
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Regarding the output format, none of the other SHOW commands currently produce
column headers, and we probably won't be able to modify them for
backwards-compatibility reasons. What we ended up doing for DESCRIBE was to
introduce DESCRIBE FORMATTED with the prettier format.
Let's do the same for SHOW INDEXES. If we see SHOW FORMATTED INDEXES, produce
the column headers; without FORMATTED, then omit them. (We can open a separate
JIRA for doing that retroactively for the existing SHOW commands.)
Also: add a test case for a compound index (multiple columns in the key), and
change that header to col_names plural.
> support COMMENT clause on CREATE INDEX, and add new commands for
> SHOW/DESCRIBE indexes
> --------------------------------------------------------------------------------------
>
> Key: HIVE-1497
> URL: https://issues.apache.org/jira/browse/HIVE-1497
> Project: Hive
> Issue Type: Improvement
> Components: Indexing
> Affects Versions: 0.7.0
> Reporter: John Sichi
> Assignee: Russell Melick
> Fix For: 0.7.0
>
> Attachments: HIVE-1497.4.patch, HIVE-1497.5.patch,
> hive-1497.p1.patch, hive-1497.p2.patch, hive-1497.p3.patch
>
>
> We need to work out the syntax for SHOW/DESCRIBE, taking partitioning into
> account.
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