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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-420) Support regular expressions for column in select clause
Date Sat, 02 May 2009 00:07:30 GMT

     [ https://issues.apache.org/jira/browse/HIVE-420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zheng Shao updated HIVE-420:
----------------------------

    Description: support queries like `select a.`(ds|hr)?+.+` from a where a.ds='2009-09-09'`
which are useful when there are humongous number of columns in a table and want to select
all columns except the partition columns (ds and hr).  (was: support queries like `select
a.[^ds] from a where a.ds='2009-09-09'` which are useful when there are humongous number of
columns in a table and want to select all columns except the partitions columns. )

> Support regular expressions for column in select clause
> -------------------------------------------------------
>
>                 Key: HIVE-420
>                 URL: https://issues.apache.org/jira/browse/HIVE-420
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>    Affects Versions: 0.2.0, 0.3.0, 0.3.1, 0.4.0
>            Reporter: Prasad Chakka
>            Assignee: Zheng Shao
>            Priority: Minor
>             Fix For: 0.4.0
>
>         Attachments: HIVE-420.1.patch, HIVE-420.2.patch, HIVE-420.3.patch, HIVE-420.4.patch
>
>
> support queries like `select a.`(ds|hr)?+.+` from a where a.ds='2009-09-09'` which are
useful when there are humongous number of columns in a table and want to select all columns
except the partition columns (ds and hr).

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