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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-344) allow slicing during key range query
Date Mon, 09 Nov 2009 21:22:32 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12775153#action_12775153
] 

Jonathan Ellis commented on CASSANDRA-344:
------------------------------------------

so right now,

ColumnFamilyStore.getKeyRange gets an iterator over all the keys, then scans through looking
for stuff that's not deleted
CFS.getColumnFamily takes a queryfilter, and returns a CF from one row

we want to combine those so that we have a method that iterators over all the keys, applying
a queryfilter (notably, we don't special case deleted rows anymore, just let the filter do
its thing, and if nothing is found we return empty columnorsupercolumn[] for that key).

if you can refactor things so we can leave the old get_key_range around but deprecated, great.
 if that makes things too fugly tho we'll push this to post-0.5 (and just get rid of the old
one).

> allow slicing during key range query
> ------------------------------------
>
>                 Key: CASSANDRA-344
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-344
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Gary Dusbabek
>             Fix For: 0.5
>
>


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