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From Marcel Reutegger <marcel.reuteg...@gmx.net>
Subject Re: Finding NodeName using SQL Query Analyzer
Date Wed, 04 Nov 2009 08:14:21 GMT
Hi,

2009/11/2 pkrishna <prabhakar.krishnaswami@ge.com>:
>
> I want to know if it is possible to query for a particular NodeId in the
> tables automatically generated by JackRabbit.
>
> We have a customNode where the node name is an Id we generate. Let's call
> this Node A. Node A has a child which is also a custom Node and this Node
> has some custom properties we have defined. Lets call this Node B. Node B
> has a property of type jcr:content.
>
> Is there a way for me to query the database for Node A using a where
> criteria? Which table should I query against? Is this possible at all.

you should use the query mechanism defined by JCR.

QueryManager qm = ...
Query q = qm.createQuery("select * from your:type where property =
'value'", Query.SQL);
QueryResult result = q.execute();

I'm not sure I understand your use case. maybe something like this
(using XPath syntax)?

//element(*, type-of-node-A)[*/@jcr:content = 'some-value']

though, jcr:content is usually the name of a child node of a nt:file node.

so you'd rather want to do this?

//element(*, type-of-node-A)[jcr:contains(*/jcr:content, 'foo')]

regards
 marcel

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