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From "T Jake Luciani (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-2982) Refactor secondary index api
Date Mon, 01 Aug 2011 18:55:09 GMT
Refactor secondary index api

                 Key: CASSANDRA-2982
             Project: Cassandra
          Issue Type: Sub-task
          Components: Core
            Reporter: T Jake Luciani
            Assignee: T Jake Luciani
             Fix For: 1.0

Secondary indexes currently make some bad assumptions about the underlying indexes.

1. That they are always stored in other column families.
2. That there is a unique index per column

In the case of CASSANDRA-2915 neither of these are true.  The new api should abstract the
search concepts and allow any search api to plug in.

Once the code is refactored and basically pluggable we can remove the IndexType enum and use
class names similar to how we handle partitioners and comparators.

Basic api is to add a SecondaryIndexManager that handles different index types per CF and
a SecondaryIndex base class that handles a particular type implementation.

This requires major changes to ColumnFamilyStore and Table.IndexBuilder

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