Probably ReplaceWithSubstringOperation (similar to ReplaceWithFieldOperation thought that would probably add another class be subject to https://issues.apache.org/jira/browse/SOLR-9661)
On Wed, Oct 31, 2018 at 8:32 AM Joel Bernstein <joels...@gmail.com> wrote: > I don't think there is a substring or similar function. This would be quite > nice to add along with other string manipulations. > > Joel Bernstein > http://joelsolr.blogspot.com/ > > > On Wed, Oct 31, 2018 at 2:37 AM Aroop Ganguly <aroopgang...@icloud.com> > wrote: > > > Hey Team > > > > > > Is there a way to extract a part of a string field and group by on it and > > obtain a histogram ? > > > > for example the filed value is DateTime of the form: 20180911T00 and > > I want to do a substring like substring(field1,0,7), and then do a > > streaming expression of the form : > > > > rollup( > > select( > > search(col1,fl=“field1”,sort=“field1 asc”), substring(field1,0,7) as > > date) > > ,on= date, count(*) > > ) > > > > Is there a substring operator available or an alternate in streaming > > expressions? > > > > Thanks > > Aroop > -- http://www.the111shift.com
