[jira] Commented: (JCR-260) Implement the count( ) function in XPATH query

["Frederic Esnault (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JCR-260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12501542 ] 

Frederic Esnault commented on JCR-260:
--------------------------------------

I agree this function is a "must-have" in any query manager. Even thoug it's potentially (very) difficult to implement, as it has to be reflected to the SQL query handler and so to the jackrabbit abstract query language, this function is a basic and necessary query functionnality. Without it, the query handler seems very light. It definitely should be implemented.

> Implement the count( ) function in XPATH query
> ----------------------------------------------
>
>                 Key: JCR-260
>                 URL: https://issues.apache.org/jira/browse/JCR-260
>             Project: Jackrabbit
>          Issue Type: Improvement
>          Components: query
>            Reporter: Harrison.Yao
>
> We've got the requirement for many times that to calculate the nodes amount which to fit the bill when query the tree, and  the count( ) function is a part in the core function library with XPath 1.0 spec ( see http://www.w3.org/TR/xpath#corelib ).
> So , I suggested to support the count( ) function in xpath  query with jackrabbit.
> Thanks !

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