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From Sasha Dolgy <sdo...@gmail.com>
Subject creating secondary index after data exists
Date Sat, 12 Feb 2011 13:40:56 GMT
hi there,

was playing around today and had a simple CF with sample user data with the
following columns:

| email | name | nickname |


>From the cassandra-cli I ran the following:

 update column family user with column_metadata=[{column_name: nickname,
validation_class: UTF8Type,index_type: KEYS},

{column_name: email, validation_class: UTF8Type, index_type: KEYS}];


Subsequently, when I tried with an index clause to retrieve the rows that
matched my email address (only 1) it returned no results.  It was only after
I performed the following from the cassandra-cli:

set user ['some-random-key']['email'] = 'my@email.address';


That it worked.  Is this normal behaviour?  In that, I should clearly define
which columns I want indexed prior to data population?

Thanks in advance,
-sd

-- 
Sasha Dolgy
sasha.dolgy@gmail.com

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