Thanks a lot for your inputs Michael. I will check about FunctionQuery. Thanks again :-)
-- Kumaran R Chennai, India On Fri, Sep 3, 2021 at 9:22 PM Michael Sokolov <msoko...@gmail.com> wrote: > Sorry I'm not sure I understand what you're trying to do. Maybe you > want to match a document having a computed value? This is going to be > potentially costly, potentially requiring post-filtering of all hits > matching for other reasons. I think there is a > FunctionQuery/FunctionRangeQuery that might help, but I don't have > much experience with this API, so I'm not sure. If you want useful > suggestions, you need to be much more explicit about your use case, > what you've tried, why it didn't work, etc. > > On Fri, Sep 3, 2021 at 6:08 AM Kumaran Ramasubramanian > <kums....@gmail.com> wrote: > > > > Hi Michael, Thanks for the response. > > > > Based on my understanding, we can use the expressions module in lucene to > > reorder search results using custom score calculations based on > expression > > using stored fields. > > > > But i am not sure how to do the same for lucene document hits(doc hits > > matching 2 USD with 150 INR records). Any pointers to know about this in > > detail? > > > > > > Kumaran R > > Chennai, India > > > > > > > > On Fri, Sep 3, 2021 at 12:08 AM Michael Sokolov <msoko...@gmail.com> > wrote: > > > > > Have you looked at the expressions module? It provides support for > > > user-defined computation using values from the index based on a simple > > > expression language. It might prove useful to you if the exchange rate > > > needs to be tracked very dynamically. > > > > > > On Thu, Sep 2, 2021 at 2:15 PM Kumaran Ramasubramanian > > > <kums....@gmail.com> wrote: > > > > > > > > I am having one use case regarding currency based search. I want to > get > > > any > > > > suggestions or pointers.. > > > > > > > > For example, > > > > Assume, > > > > 1USD = 75 INR > > > > 1USD = 42190 IRR > > > > similarly, we have support for 100 currencies as of now. > > > > > > > > Record1 created with PRICE 150 INR & EXCHANGE_RATE 75 for USD > > > > Record2 created with PRICE 84380 IRR & EXCHANGE_RATE 42190 for USD > > > > > > > > If i search 2 ( USD ), I would like to get both Record1 & Record2 as > > > search > > > > results > > > > > > > > PRICE & EXCHANGE_RATE are indexed & stored as separate fields in the > > > search > > > > index > > > > We can have 50 number of currency fields like PRICE. so we may need > to > > > > index additional 50 fields holding USD values. > > > > > > > > To avoid additional fields, Is it possible to match records in the > search > > > > index by applying an expression like (PRICE / EXCHANGE_RATE ) > > > > > > > > I am not sure if this is the right use case for Lucene index. But I > would > > > > like to know the possibilities. Thanks in advance > > > > > > > > > > > > -- > > > > Kumaran R > > > > Chennai, India > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > > > For additional commands, e-mail: java-user-h...@lucene.apache.org > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >
