Another technology that might make more sense is a Doc Transformer. You also specify them in the fl parameter. I would imagine you could specify
fl=id,[persian f=gregorian_Date] See here for more cases: https://cwiki.apache.org/confluence/display/solr/Transforming+Result+Documents This does not exist right now, but would make a good contribution to Solr itself, I'd say. Upayavira On Wed, Jun 10, 2015, at 09:57 AM, Alessandro Benedetti wrote: > Erick will correct me if I am wrong but this function query I don't think > it exists. > But maybe can be a nice contribution. > It should take in input a date format and a field and give in response > the > new formatted Date. > > The would be simple to use it : > > fl=id,persian_date:dateFormat("yyyy/mm/dd",gregorian_Date) > > The date format is an example in input is an example. > > Cheers > > 2015-06-10 7:24 GMT+01:00 Ali Nazemian <alinazem...@gmail.com>: > > > Dear Erick, > > Hi, > > Actually I want to convert date format from Geregorian calendar (solr > > default) to Perisan calendar. You may ask why i do not do that at client > > side? Here is why: > > > > I want to provide a way to extract data from solr in the csv format. I know > > that solr has csv ResponseWriter that could be used in this case. But my > > problem is that the date format in solr index is provided by Geregorian > > calendar and I want to put that in Persian calendar. Therefore I was > > thinking of a function query to do that at query time for me. > > > > Regards. > > > > On Tue, Jun 9, 2015 at 10:55 PM, Erick Erickson <erickerick...@gmail.com> > > wrote: > > > > > I'm not sure what you're asking for, give us an example input/output > > pair? > > > > > > Best, > > > Erick > > > > > > On Tue, Jun 9, 2015 at 8:47 AM, Ali Nazemian <alinazem...@gmail.com> > > > wrote: > > > > Dear all, > > > > Hi, > > > > I was wondering is there any function query for converting date format > > in > > > > Solr? If no, how can I implement such function query myself? > > > > > > > > -- > > > > A.Nazemian > > > > > > > > > > > -- > > A.Nazemian > > > > > > -- > -------------------------- > > Benedetti Alessandro > Visiting card : http://about.me/alessandro_benedetti > > "Tyger, tyger burning bright > In the forests of the night, > What immortal hand or eye > Could frame thy fearful symmetry?" > > William Blake - Songs of Experience -1794 England