[jira] [Commented] (OAK-8934) Indexing: filter entries with a regular expression

["Julian Reschke (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OAK-8934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17764529#comment-17764529 ] 

Julian Reschke commented on OAK-8934:
-------------------------------------

trunk: (1.26.0) [e1ce21da24|https://github.com/apache/jackrabbit-oak/commit/e1ce21da2430a84595eb571ed561036b7985f924]

> Indexing: filter entries with a regular expression
> --------------------------------------------------
>
>                 Key: OAK-8934
>                 URL: https://issues.apache.org/jira/browse/OAK-8934
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: indexing
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>            Priority: Major
>              Labels: amrit, candidate_oak_1_22
>             Fix For: 1.26.0
>
>         Attachments: OAK-8934-1_8.patch, OAK-8934-1_8_svn.patch
>
>
> We should provide a way to filter the index using a regular expression. For example, only index nodes that contain a reference to another node. (Not a JCR reference, but a reference within the value itself). For example, index a node if one of the properties contains:
> * /content/abc
> * <html...> <a href="/content/abc">
> * and so on
> This will allow to run a query to find if /content/abc is referenced. The index and the query will probably need to use a tag, and the cost of the index needs to be high. Otherwise the query engine can't know when this index should be used.



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