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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-5458) Add CacheKeyConfiguration to CacheConfiguration
Date Fri, 09 Jun 2017 07:16:18 GMT
Vladimir Ozerov created IGNITE-5458:

             Summary: Add CacheKeyConfiguration to CacheConfiguration
                 Key: IGNITE-5458
                 URL: https://issues.apache.org/jira/browse/IGNITE-5458
             Project: Ignite
          Issue Type: Task
          Components: cache
            Reporter: Vladimir Ozerov
            Assignee: Vladimir Ozerov
             Fix For: 2.1

Currently affinity column of certain type is not known on startup, as types are registered
dynamically. For this reason affinity column could be resolved incorrectly if needed before
type is registered. E.g. this is the case for our H2 tables, which need affinity key column
on startup.

This could be resolved by setting {{IgniteConfiguration.cacheKeyConfiguration}} property,
which maps type name to affinity key column name. However, this mechanism is not flexible
enough because mappings cannot be changed in runtime.

We should add similar property to cache configuration and use it to resolve affinity column.
Ideally, affinity key should be removed from {{BinaryType}} at all.

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