On 6/12/2015 3:30 PM, Steven White wrote: > Thank you Erik and Shawn for your support. > > I'm using Solr's Schema API and Config API to manage and administer a Solr > deployment based on customer specific setting that my application will need > to do to a Solr deployment. A client application will be using my APIs and > as part of data validation, I'm trying to figure out what to allow and what > not too as invalid attributes data that I cannot send to Solr. > > For example, I wasn't sure that a request-handler name can have spaces or > can be all numeric, etc. What about fields and field types, is there a > restriction for the field names? > > I know my question is broad, but if there is a starting point, I can use > that to help me write application so that it is defensive against clients > who will use it to manage Solr. If they use invalid data, I don't want to > send it to Solr and cause Solr to break.
Even if things like spaces and punctuation are accepted, I wouldn't use them. You can't be sure that all parts of Solr will support strange characters, much less third-party software. For handler names, they should always start with a forward slash and stick to letters, numbers, and the underscore, and also make sure you stick to ASCII characters numbered below 127, even if Solr would allow you to use other characters. If you stick to that, you can be reasonably sure everything will work with any software. Field and type names should stick to letters, numbers, and the underscore character, also within the standard ASCII character set. I like to use only lowercase letters, but that's not a requirement. Note that if you do use mixed case, almost everything in Solr is case sensitive, so you must use the same case everywhere, and you should not use two names that differ only in the case of the letters, just in case something is NOT case sensitive. I also prefer to start identifiers with a letter, not a number, but I'm pretty sure that is also not a requirement. For best results, similar rules should be followed for other identifiers in a Solr config/schema. Thanks, Shawn
