Hi Chathura, In DAS 3.0.0, aggregation of bucketed range is not supported. But if the aggregation is summation, we can use score-functions and use facet count APIs to aggregate per range.
@Anjana, Shall we add this functionality as an improvement to DAS 3.0.1? On Mon, Nov 23, 2015 at 1:46 AM, Chathura Ekanayake <chath...@wso2.com> wrote: > Hi Gimantha, > > Instead of getting record counts, is there a way to get aggregates of some > numerical field with range faceting? > > Also, it would be useful to specify ranges as start value, end value and > gap, in addition to the method mentioned in the sample. > > Regards, > Chathura > > > On Mon, Nov 23, 2015 at 7:45 AM, Gimantha Bandara <giman...@wso2.com> > wrote: > >> Hi Isuru, >> >> 1. DAS 3.0.0 does not support sorting aggregated data. But it can be >> considered as an improvement in 3.0.01 >> >> 2. DAS 3.0.0 REST API support ranged faceting. You will have to give the >> boundaries for each range with a label name. Please refer to [1] for more >> info. >> >> [1] >> https://docs.wso2.com/display/DAS300/Retrieving+the+Event+Count+of+Range+Facets >> >> >> On Fri, Nov 20, 2015 at 12:01 PM, Rukshan Premathunga <ruks...@wso2.com> >> wrote: >> >>> Hi Isuru, >>> >>> For 2nd issue, you can try with lucene range search[1]. >>> >>> [1] https://lucene.apache.org/core/2_9_4/queryparsersyntax.html#Range >>> Searches >>> >>> Thanks and Regards. >>> >>> On Fri, Nov 20, 2015 at 5:37 PM, Isuru Wijesinghe <isur...@wso2.com> >>> wrote: >>> >>>> Hi All, >>>> >>>> We're currently developing the dashboard for BPS statistics data and we >>>> encounter some problems mentioned below. >>>> >>>> 1.) Does DAS already support a sorting feature to retrieve the >>>> aggregated data in the ascending order ? >>>> >>>> Why we need sorting feature here because let's say as an example, if >>>> we are analyzing the involvement of different users in a particular >>>> process, we have to provide the process ID as the primary filter. There can >>>> be a large number of users in the system which could result in too many >>>> entries in the X axis. To overcome this, most graphs have to provide a >>>> secondary filter to obtain only top X or bottom X entries (asc or dsc >>>> ordering). >>>> >>>> When retrieving the records through the faceted search for the columns >>>> which have the aggregated values(eg: avg, sum, etc) from the DAS REST API, >>>> the data is usually listed in random order. As a solution for that, need to >>>> provide a mechanism in the DAS side to sort the records in the column such >>>> a way that they will be retrieved in a specific order so that it can be >>>> used to sort in ascending order, descending order according to the given >>>> column or multiple columns. >>>> >>>> eg: { >>>> "tableName": "USER_INVOLVE_SUMMARY_DATA", >>>> "groupByField": "processDefKey", >>>> "query": "assignee:admin", >>>> *"sort":"totalInvolvedTime asc"*, >>>> "aggregateFields": [ >>>> { >>>> "fieldName": "duration", >>>> "aggregate": "SUM", >>>> "alias": "totalInvolvedTime" >>>> } >>>> ] >>>> } >>>> >>>> 2.) Is it possible to do range faceting in DAS? >>>> >>>> (Here the range facet produces multiple range buckets over numeric >>>> fields or date fields.) >>>> Let's say as an example we have a field called *price* in one of the >>>> summarized tables and we have that field faceted. We want to get the facets >>>> as ranges of values (*eg:* *0-100, 100-500, 500-1000, etc* - these are >>>> the ranges that prices fall into). Is it possible to calculate the ranges >>>> (facet counts for the ranges of prices - eg: say for 5 values) based on the >>>> values in the table ? >>>> >>>> -- >>>> Isuru Wijesinghe >>>> *Software Engineer* >>>> WSO2 inc : http://wso2.com >>>> lean.enterprise.middleware >>>> Mobile: 0710933706 >>>> isur...@wso2.com >>>> >>>> _______________________________________________ >>>> Dev mailing list >>>> Dev@wso2.org >>>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>>> >>>> >>> >>> >>> -- >>> Rukshan Chathuranga. >>> Software Engineer. >>> WSO2, Inc. >>> >>> _______________________________________________ >>> Dev mailing list >>> Dev@wso2.org >>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>> >>> >> >> >> -- >> Gimantha Bandara >> Software Engineer >> WSO2. Inc : http://wso2.com >> Mobile : +94714961919 >> >> _______________________________________________ >> Dev mailing list >> Dev@wso2.org >> http://wso2.org/cgi-bin/mailman/listinfo/dev >> >> > -- Gimantha Bandara Software Engineer WSO2. Inc : http://wso2.com Mobile : +94714961919
_______________________________________________ Dev mailing list Dev@wso2.org http://wso2.org/cgi-bin/mailman/listinfo/dev
