[jira] [Commented] (OAK-1215) Relative property paths don't work in XPath search expressions

["Thomas Mueller (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OAK-1215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13840060#comment-13840060 ] 

Thomas Mueller commented on OAK-1215:
-------------------------------------

> I assume tags are indexed, though?

Yes.

> So perhaps we can tell them property searches will be slow unless they also include tags in the search?

... or some other indexed property. I guess iterating over all nodes with size='M' would be also slow? Or is size='M' not the real condition, and the real problem is to use an index on x with the condition x=c or */x=c or */*/x=c where c is s constant?

> Does the Jackrabbit 2 implementation index on the properties?

I'm afraid I don't know how Jackrabbit 2.x / Lucene works for this case, [~mreutegg], maybe you can help?

> Relative property paths don't work in XPath search expressions
> --------------------------------------------------------------
>
>                 Key: OAK-1215
>                 URL: https://issues.apache.org/jira/browse/OAK-1215
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>            Reporter: Jeff Young
>            Priority: Critical
>         Attachments: relative-predicate-paths.tiff
>
>
> A search XPath of the form:
> {code}
> /jcr:root/etc/commerce/products//*[@size='M' or */@size='M']
> {code}
> returns:
> {code}
> Invalid path: *
> {code}
> (This works fine in Jackrabbit.)



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