I'm pretty sure by internal document id, which changes upon segment merge. If you depend on this, you need to include a field at index time that'll be unchanging and then sort on that.
bq: Documents seem to be consistently returned in this order This won't be invariant as the index changes and segments get merged. Best, Erick On Thu, Feb 19, 2015 at 8:57 AM, Tang, Rebecca <rebecca.t...@ucsf.edu> wrote: > If user searches for *:*, what order does solr return the results in? I > expected the results to be returned in index order. (I indexed the documents > in the order of the numeric document id from 0 -> ~15,000,000). > > So when I searched with *:*, I expected the first 10 documents returned to > have ids from 0 -> 9. > > But the first 10 id's were: > 146263 146266 146254 146264 146265 146274 146277 146271 146279 146268 > > Documents seem to be consistently returned in this order. > > How does solr order the results when the search is a blanket *:*? > > Rebecca Tang > Applications Developer, UCSF CKM > Industry Documents Digital Libraries > E: rebecca.t...@ucsf.edu >
