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Asked: 2026-06-06T19:57:11+00:00

I have a SOLR index over several million full text documents. This works very

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I have a SOLR index over several million full text documents. This works very well. So far, so good.

Users can organize these documents in folders or collections. I would like to be able to restrict the search to a certain folder (or more than one folder) without having to create an index for each folder. Different uses can store a document in different folders, it’s more of a tag than a location.

I plan to do this by adding a multi value field for the folder (or collection) ID in which the document has been stored.

Is this a ‘valid’ way of using SOLR or am I missing something? Also, will I run into restrictions concerning the number of items in a multi-value field? Also any alternative search engines that directly support collections would be appreciated.

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  1. Editorial Team

    Have a multi-valued string field for absolute path of the directories a given document belongs to. For example, a document may belong to documents/reports/fin/2012 and johns_stuff/to_read.

    Some queries:

    documents/reports/fin/2012 <-- belongs to a specific directory
documents/reports/fin* <--any subdirectory of this directory
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