[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-299) Use of DocIdBitSet when possible to chain Filters

[Sanne Grinovero (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=31698#action_31698 ] 

Sanne Grinovero commented on HSEARCH-299:
-----------------------------------------

and for OpenBitSet too.

> Use of DocIdBitSet when possible to chain Filters
> -------------------------------------------------
>
>                 Key: HSEARCH-299
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-299
>             Project: Hibernate Search
>          Issue Type: Improvement
>            Reporter: Sanne Grinovero
>            Assignee: Sanne Grinovero
>             Fix For: 3.1.0.CR1
>
>
> this is for performance reasons; instead of iterating on the DocIdSet this would be far more efficient  to "AND" two instances when they actually are of type DocIdBitSet.

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