[jira] Updated: (HIVE-132) Show table and describe results should be read via FetchTask

["Raghotham Murthy (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Raghotham Murthy updated HIVE-132:
----------------------------------

    Attachment: hive-132.3.patch

Regenerating patch. The following changes happen to the output of show tables, describe, describe extended and describe extended partition.

show tables:
The list of tables will be printed out one table in one row

describe:
The schema of the output of describe will be tab-separated <string, string, string>, irrespective of whether columns have comments or not.

describe extended:
Schema is the same as describe. Right now detailed table information is printed out as a blob in a new line. It has been changed to be printed in the same line as the string 'Detailed Table Information'.

describe extended partition:
Same as describe extended for Detailed Partition Information

> Show table and describe results should be read via FetchTask
> ------------------------------------------------------------
>
>                 Key: HIVE-132
>                 URL: https://issues.apache.org/jira/browse/HIVE-132
>             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, hive-132.3.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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