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Posted to oak-issues@jackrabbit.apache.org by "Vikas Saurabh (JIRA)" <ji...@apache.org> on 2014/12/15 22:15:13 UTC

[jira] [Commented] (OAK-1871) Support multi-column property indexes

    [ https://issues.apache.org/jira/browse/OAK-1871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14247230#comment-14247230 ] 

Vikas Saurabh commented on OAK-1871:
------------------------------------

It seems that with OAK-2261, we have a more flexible way to define indices with multiple properties (with this issue being a subset of those). I think we should resolve this issue.

(cc [~chetanm], [~tmueller], [~hsawhney])

> Support multi-column property indexes
> -------------------------------------
>
>                 Key: OAK-1871
>                 URL: https://issues.apache.org/jira/browse/OAK-1871
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: query
>            Reporter: Thomas Mueller
>
> Currently, all property indexes are single-column. To speed up some use cases, the property index should support multiple columns. Example use case: 
> Property "size" with low cardinality (low number of distinct values, for example "S", "M", "L", "XL"). Property "color" with low number of cardinality ("white", "black", "red",...). The query condition is "where size = 'L' and color = 'white'". The number of matching nodes is small.



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