What's the performance impact of doing this?
On Thu, Nov 29, 2012 at 7:54 PM, Jack Krupansky <j...@basetechnology.com>wrote: > Or group by a function query which is the date field converted to > milliseconds divided by the number of milliseconds in a day. > > Such as: > > q=*:*&group=true&group.func=**rint(div(ms(date_dt),mul(24,** > mul(60,mul(60,1000))))) > > -- Jack Krupansky > > -----Original Message----- From: Amit Nithian > Sent: Thursday, November 29, 2012 10:29 PM > To: solr-user@lucene.apache.org > Subject: Re: Grouping by a date field > > > Why not create a new field that just contains the day component? Then you > can group by this field. > > > On Thu, Nov 29, 2012 at 12:38 PM, sdanzig <sdan...@gmail.com> wrote: > > I'm trying to create a SOLR query that groups/field collapses by date. I >> have a field in YYYY-MM-dd'T'HH:mm:ss'Z' format, "datetime", and I'm >> looking >> to group by just per day. When grouping on this field using >> group.field=datetime in the query, SOLR responds with a group for every >> second. I'm able to easily use this field to create day-based facets, but >> not groups. Advice please? >> >> - Scott >> >> >> >> -- >> View this message in context: >> http://lucene.472066.n3.**nabble.com/Grouping-by-a-date-** >> field-tp4023318.html<http://lucene.472066.n3.nabble.com/Grouping-by-a-date-field-tp4023318.html> >> Sent from the Solr - User mailing list archive at Nabble.com. >> >> >
