FAQ
[hbase] Allow user add arbitrary key/value pairs to table and column descriptors
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Key: HADOOP-2197
URL: https://issues.apache.org/jira/browse/HADOOP-2197
Project: Hadoop
Issue Type: Improvement
Components: contrib/hbase
Reporter: stack


Folks have asked if they can tag columns and tables with markings of their own designation. Examples include 'type' and 'descriptiion'.

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  • Vuk Ercegovac (JIRA) at Dec 6, 2007 at 7:48 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12549153 ]

    Vuk Ercegovac commented on HADOOP-2197:
    ---------------------------------------

    A possibility is to use a language neutral format such as JSON.
    A collection of key/value pairs would then simply be called an "object".
    Furthermore, this should integrate well with jaql, a query language we recently announced
    for JSON data and posted further information at http://www.jaql.org.
    In fact, we've implemented several functions in the language to manage HBase data.
    As a result, type information, through the use of JSON, is serialized into HBase byte array column values.
    We did not consider descriptions for tables, but I suppose this is reasonable to store in the catalog.
    [hbase] Allow user add arbitrary key/value pairs to table and column descriptors
    --------------------------------------------------------------------------------

    Key: HADOOP-2197
    URL: https://issues.apache.org/jira/browse/HADOOP-2197
    Project: Hadoop
    Issue Type: Improvement
    Components: contrib/hbase
    Reporter: stack

    Folks have asked if they can tag columns and tables with markings of their own designation. Examples include 'type' and 'descriptiion'.
    --
    This message is automatically generated by JIRA.
    -
    You can reply to this email to add a comment to the issue online.
  • Jim Kellerman (JIRA) at Dec 14, 2007 at 5:50 pm
    [ https://issues.apache.org/jira/browse/HADOOP-2197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Jim Kellerman updated HADOOP-2197:
    ----------------------------------

    Priority: Minor (was: Major)

    Changing priority to minor. The need for this feature is not as urgent as it once was, and there are other possible mechanisms for achieving the same goal.
    [hbase] Allow user add arbitrary key/value pairs to table and column descriptors
    --------------------------------------------------------------------------------

    Key: HADOOP-2197
    URL: https://issues.apache.org/jira/browse/HADOOP-2197
    Project: Hadoop
    Issue Type: Improvement
    Components: contrib/hbase
    Reporter: stack
    Priority: Minor

    Folks have asked if they can tag columns and tables with markings of their own designation. Examples include 'type' and 'descriptiion'.
    --
    This message is automatically generated by JIRA.
    -
    You can reply to this email to add a comment to the issue online.

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groupcommon-dev @
categorieshadoop
postedNov 13, '07 at 1:20a
activeDec 14, '07 at 5:50p
posts3
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websitehadoop.apache.org...
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Jim Kellerman (JIRA): 3 posts

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