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https://issues.apache.org/jira/browse/HIVE-15765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15850957#comment-15850957
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Lefty Leverenz commented on HIVE-15765:
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Thanks [~hagleitn], that's a good first draft for a Comments section in the DDL
doc.
> Support bracketed comments
> --------------------------
>
> Key: HIVE-15765
> URL: https://issues.apache.org/jira/browse/HIVE-15765
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Labels: TODOC2.2
> Fix For: 2.2.0
>
> Attachments: HIVE-15765.1.patch, HIVE-15765.1.patch,
> HIVE-15765.2.patch, HIVE-15765.3.patch
>
>
> C-style comments are in the SQL spec as well as supported by all major DBs.
> The are useful for inline annotation of the SQL. We should have them too.
> Example:
> {noformat}
> select
> /*+ MAPJOIN(a) */ /* mapjoin hint */
> a /* column */
> from foo join bar;
> {noformat}
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