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From "Ashish Thusoo (JIRA)" <>
Subject [jira] Commented: (HIVE-132) Show table and describe results should be read via FetchTask
Date Mon, 05 Jan 2009 14:33:44 GMT


Ashish Thusoo commented on HIVE-132:

A few nitpicks:
1. Why did we get rid of : in the explain plan output "Table Information:" has been replaced
by "Table Information" without a new line. Also there seems to be extra space/tab after the
column metadata is printed.

Thanks for fixing dailed to failed :).. that has been there for so long... :))

For the general code:
1. In in the function createFetchTask setSerializationNullFormat
is "" - should this be a null string instead or a ""

Otherwise it looks good to me.

> Show table and describe results should be read via FetchTask
> ------------------------------------------------------------
>                 Key: HIVE-132
>                 URL:
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>    Affects Versions: 0.2.0
>            Reporter: Raghotham Murthy
>            Assignee: Raghotham Murthy
>            Priority: Minor
>             Fix For: 0.2.0
>         Attachments: hive-132.1.patch, hive-132.2.patch
> Right now there is a different code path in the Driver for show tables/describe etc.
By adding the FetchTask the code paths will be merged. In addition, the results of these statements
will be readable via JDBC.
> Going forward, we should provide SQL access to our metastore similar to access provided
by Oracle or mysql to their catalog tables. In this jira, I will just add schema information
to show tables and describe queries.

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