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From Roshan Dawrani <roshandawr...@gmail.com>
Subject Re: Need help in updating metadata of an existing column family
Date Thu, 29 Nov 2012 10:42:50 GMT
Is it possible to update the column-metadata of a column family definition
programmatically? If yes, can someone please point me to the right classes
to use?

Thanks.


On Thu, Nov 29, 2012 at 3:58 PM, Roshan Dawrani <roshandawrani@gmail.com>wrote:

> Hi,
>
> I have an existing column family that is created with comparator
> BytesType. I want to add a built-in index to this column family and I am
> executing the following command using CLI:
>
> =================================================
> update column family MyCF with comparator=BytesType and
> column_metadata=[{column_name: userid, validation_class: UTF8Type,
> index_type: KEYS, index_name: ACUserIdIdx}];
> =================================================
>
> However the column metadata that actually gets added has the column name *
> "fffffd"* and not *"userid".*
>
> From a previous thread, I have understood that in this case Cassandra
> treats the column name I have given as bytes (due to comparator BytesType),
> and hence comes up with a different name.
>
> *Any workaround solution for creating the column metadata with the
> correct column name?*
>
> Regards,
> --
> Roshan
> http://roshandawrani.wordpress.com/
>
>


-- 
Roshan
http://roshandawrani.wordpress.com/

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