[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-499) Pass a "filter" query to MassIndexing: index changed entity based on timestamp

[Sanne Grinovero (JIRA)]

    [ https://hibernate.onjira.com/browse/HSEARCH-499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46138#comment-46138 ] 

Sanne Grinovero commented on HSEARCH-499:
-----------------------------------------

Why at field level? What if I have multiple fields, and some request a delete and some other request an update?

We could patch the MassIndexer to consider the soft delete logic, my problem is that ideally I would need to translate the filters in SQL predicates so that I can restrict the entities being loaded from the database.

Filtering the entities by having the user defined soft delete logic by "looking at the entity state" is easy, but it would be much more efficient by loading only the data we actually need.

> Pass a "filter" query to MassIndexing: index changed entity based on timestamp
> ------------------------------------------------------------------------------
>
>                 Key: HSEARCH-499
>                 URL: https://hibernate.onjira.com/browse/HSEARCH-499
>             Project: Hibernate Search
>          Issue Type: New Feature
>          Components: massindexer
>            Reporter: Emmanuel Bernard
>            Assignee: Sanne Grinovero
>             Fix For: 4.1.0.Final
>
>
> I was discussion the MassIndexer API. It would be nice to be able to filter the list of Entity ids to reindex based on a query:
> For example
> select u.id from User u where u.lastUpdate >= :yesterday
> or sue some kind of other flag.
> This would be a nice useful trick.

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