We need to get this fixed.

Do you have some sample queries?

On Wed, Sep 14, 2016 at 12:37 AM, Bernd Fehling <
bernd.fehl...@uni-bielefeld.de> wrote:

> Hi Greg,
>
> after trying several hours with all combinations of parameters and not
> getting any useful search result with complex search terms and edismax
> I finally copied o.a.s.s.ExtendedDismaxQParser.java from version 4.10.4
> to 5.5.3 and did a little modification in o.a.s.u.SolrPluginUtils.java.
>
> Now it is searching correct and getting logical and valid search results
> with any kind of complex search.
> Problem solved.
>
> But still, the edismax, at least of 5.5.3, has some bugs.
> If I get time I will look into this but right now my problem is solved
> and the customers and users are happy.
>
> I hope that this buggy edismax version is not used in solr 6.x otherwise
> you
> have the same problems there.
>
> Regards
> Bernd
>
>
> Am 12.09.2016 um 05:10 schrieb Greg Pendlebury:
> > Hi Bernd,
> >
> > "From my point of view the old parsing behavior was correct.
> > If searching for a term without operator it is always OR, otherwise
> > you can add "+" or "-" to modify that. Now with q.op AND it is
> > modified to "+" as a MUST."
> >
> > It is correct in both cases. q.op dictates (for that query) what default
> > operator to use when none is provided, and it is used as a priority over
> > the system whole 'defaultOperator'. In either case, if you ask it to use
> > OR, it uses it; if you ask it to use AND, it uses it. The behaviour from
> > 4.10 that was changed (arguably fixed, although I know that is a
> debatable
> > point) was that you asked it to use AND, and it ignored you (irrespective
> > of whether you used defaultOperator or q.op). The are a few subtle
> > distinctions that are being missed (like the difference between the
> boolean
> > operators and the OCCURS flags that your are talking about), but they are
> > not going to change the outcome.
> >
> > 8812 related to users who had been historically setting the q.op
> parameter
> > to influence the downstream default selection of 'mm' (If you don't
> provide
> > 'mm' it is set for you based on 'q.op') instead of directly setting the
> > 'mm' value themselves. But again in this case, you're setting 'mm'
> anyway,
> > so it shouldn't be relevant.
> >
> > Ta,
> > Greg
> >
> > On 9 September 2016 at 16:44, Bernd Fehling <
> bernd.fehl...@uni-bielefeld.de>
> > wrote:
> >
> >> Hi Greg,
> >>
> >> thanks a lot, thats it.
> >> After setting q.op to OR it works _nearly_ as before with 4.10.4.
> >>
> >> But how stupid this?
> >> I have in my schema <solrQueryParser defaultOperator="AND"/>
> >> and also had q.op to AND to make sure my default _is_ AND,
> >> meant as conjunction between terms.
> >> But now I have q.op to OR and defaultOperator in schema to AND
> >> to just get _nearly_ my old behavior back.
> >>
> >> schema has following comment:
> >> "... The default is OR, which is generally assumed so it is
> >> not a good idea to change it globally here.  The "q.op" request
> >> parameter takes precedence over this. ..."
> >>
> >> What I don't understand is why they change some major internals
> >> and don't give any notice about how to keep old parsing behavior.
> >>
> >> From my point of view the old parsing behavior was correct.
> >> If searching for a term without operator it is always OR, otherwise
> >> you can add "+" or "-" to modify that. Now with q.op AND it is
> >> modified to "+" as a MUST.
> >>
> >> I still get some differences in search results between 4.10.4 and 5.5.3.
> >> What other side effects has this change of q.op from AND to OR in
> >> other parts of query handling, parsing and searching?
> >>
> >> Regards
> >> Bernd
> >>
> >> Am 09.09.2016 um 05:43 schrieb Greg Pendlebury:
> >>> I forgot to mention the tickets:
> >>> SOLR-2649 and SOLR-8812
> >>>
> >>> On 9 September 2016 at 13:38, Greg Pendlebury <
> greg.pendleb...@gmail.com
> >>>
> >>> wrote:
> >>>
> >>>> Under 4.10 q.op was ignored by the edismax parser and always forced to
> >> OR.
> >>>> 5.5 is looking at the q.op=AND you requested.
> >>>>
> >>>> There are also some changes to the default values selected for mm,
> but I
> >>>> doubt those apply here since you are setting it explicitly.
> >>>>
> >>>> On 8 September 2016 at 00:35, Mikhail Khludnev <m...@apache.org>
> wrote:
> >>>>
> >>>>> I suppose
> >>>>>    <str name="parsedquery_toString">+((text:star text:trek)~2)</str>
> >>>>> and
> >>>>>   <str name="parsedquery_toString">+(+text:star +text:trek)</str>
> >>>>> are equal. mm=2 is equal to +foo +bar
> >>>>>
> >>>>> On Wed, Sep 7, 2016 at 10:52 AM, Bernd Fehling <
> >>>>> bernd.fehl...@uni-bielefeld.de> wrote:
> >>>>>
> >>>>>> Hi list,
> >>>>>>
> >>>>>> while going from SOLR 4.10.4 to 5.5.3 I noticed a change in query
> >>>>> parsing.
> >>>>>> 4.10.4
> >>>>>> <str name="rawquerystring">text:star text:trek</str>
> >>>>>>   <str name="querystring">text:star text:trek</str>
> >>>>>>   <str name="parsedquery">(+((text:star
> text:trek)~2))/no_coord</str>
> >>>>>>   <str name="parsedquery_toString">+((text:star text:trek)~2)</str>
> >>>>>>
> >>>>>> 5.5.3
> >>>>>> <str name="rawquerystring">text:star text:trek</str>
> >>>>>>   <str name="querystring">text:star text:trek</str>
> >>>>>>   <str name="parsedquery">(+(+text:star +text:trek))/no_coord</str>
> >>>>>>   <str name="parsedquery_toString">+(+text:star +text:trek)</str>
> >>>>>>
> >>>>>> There are very many new features and changes between this two
> >> versions.
> >>>>>> It looks like a change in query parsing.
> >>>>>> Can someone point me to the solr or lucene jira about the changes?
> >>>>>> Or even give a hint how to get my "old" query parsing back?
> >>>>>>
> >>>>>> Regards
> >>>>>> Bernd
> >>>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> --
> >>>>> Sincerely yours
> >>>>> Mikhail Khludnev
> >>>>>
> >>
> >
>



-- 
Bill Bell
billnb...@gmail.com
cell 720-256-8076

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