When using numeric field name in schema.xml, like
, it could not be fetched the specific field name by parameter 'fl' from Solr.
such as 'http://localhost:8983/solr/query?q=1001:test&fl=1001', the response would be like: '"docs""[
In org.apache.solr.search.ReturnFields.java, it seems this code limited field name defination could not be pure numbers:
Could we replace or remove this check of Character.isJavaIdentifierStart(ch) for allowing numeric field name defination?