Hey all,i checked out solr and i'm pretty amazed since this could save us a lot of work. we are working on a document managment system and currently change the document structure to be valid to predefined schemas. each document will contain of several 'complex types' what is compareable to xml-snipplets (e.g. two column set of image and list, two column list of links and paragraph,...).
there are two main points that i'm asking me (and discussing with my collegues), which will make the decision to spend more time in this solution or not. to be short, here the are:
* we will have contents that become similar nested to a part of html. this means they will be much more nested than the examples given to solr. i guess this point will be possible via the import schema.
the important point (and first question) is that our schema is very likely to change. that means we will have 'revisions' of documents whereas each revision has its own, slightly different, schema. structuring the documents itself wouldn't be a problem i guess, as we could define an 'id' and 'rev' as unique in combination. but how can we handle the revision dependent schema? is there a good way for such thing?
* the second big problem is also related to the versioning and its changing schemas. assume we will have a lot of documents that are built of a document type 'Foo' rev 1. now we decide that the schema of Foo changes, the documents, already stored, become invalid somehow. to solve this, we will create some kind of update procedure that fits all documents to the new schema.
will there be a way to solve this problem without fetching all Foo:rev:1 documents and re-importing them as Foo:rev:2 documents? as i write this, it seems to me that this is a stupid question since there is no change interface. nevertheless, do you see any problems here, if ca. 10000 documents will be affected at once?
i would be very happy about each single opinion for my questions. thank you very much, andi -- Andreas Balke // Lead Developer Digiden GmbH • Agentur für Kommunikationslösungen In der Backfabrik • Saarbrückerstraße 37b • D-10405 Berlin Fon: +49 (30) 446 749 425 • Fax: +49 (30) 446 749 479 www.digiden.deHRB 96276 B • Geschäftsführer: Mike Petersen
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