we use lucene to search in hierarchical structures. like a folder structure in filesystem. the documents have an extra field, which specifies the location of the document. so if you want to search documents under a specific folder you have to query a prefix in this field. but if the documents are moved to an other location, every document must be updated. in our case this is not a good option. are there any concepts for implementing hierarchical structures in lucene? does someone have a suggestion? i know lucene is fulltextsearch and therefore primarily for flat structures. greetings sascha
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