SQL Server is there a way around repeated conditional lines -


hello trying clean query , there 1 line repeated 6 times. there way set constant in sql?

here example of issue:

select distinct dsf.cityname,  ( select count (distinct dsf1.incdtkey)   dbo.incidentfile dsf1    dsf1.incidentmostsevere in ('1', '2', '4', '5', '6')   , dsf1.categorykey in ('15', '01', '02', '03', '04', '05', '06')<-----   , dsf1.cityname = dsf.cityname)  'weapons possession 11-12', ( select count (distinct dsf2.incdtkey)   dbo.incidentfile dsf2    dsf2.incidentmostsevere in ('7', '8', '9', '10', '11', '12')   , dsf2.categorykey in ('15', '01', '02', '03', '04', '05', '06') <-----   , dsf2.cityname = dsf.cityname)  'drugs related 11-12', ( select count (distinct dsf3.incdtkey)   dbo.incidentfile dsf3    dsf3.incidentmostsevere in ('14', '15', '17', '20', '21', '22', '26')    , dsf3.categorykey in ('15', '01', '02', '03', '04', '05', '06') <-----   , dsf3.cityname = dsf.cityname)  'incident injury 11-12', ( select count (distinct dsf4.incdtkey)   dbo.incidentfile dsf4    dsf4.incidentmostsevere in ('16', '18', '19', '23', '24', '25')   , dsf4.categorykey in ('15', '01', '02', '03', '04', '05', '06') <-----   , dsf4.cityname = dsf.cityname)  'incident no injury 11-12', ( select count (distinct dsf5.incdtkey)   dbo.incidentfile dsf5    dsf5.incidentmostsevere in ('3', '13', '29', '31', '32', '33')  , dsf5.categorykey in ('15', '01', '02', '03', '04', '05', '06') <-----  , dsf5.cityname = dsf.cityname)  'other reason 11-12', ( select count (distinct dsf6.incdtkey)   dbo.incidentfile dsf6    dsf6.categorykey in ('15', '01', '02', '03', '04', '05', '06') <-----   , dsf6.cityname = dsf.cityname)  'total incidents'   dbo.incidentfile dsf group dsf.cityname order dsf.cityname

thanks

you should able use cte , aggregate function case expression:

;with cte (   select distinct cityname,     incidentmostsevere,      incdtkey   dbo.incidentfile   categorykey in ('15', '01', '02', '03', '04', '05', '06') ) select cityname,   count(case          when incidentmostsevere in ('1', '2', '4', '5', '6')         incdtkey end) 'weapons possession 11-12',   count(case          when incidentmostsevere in ('7', '8', '9', '10', '11', '12')         incdtkey end) 'drugs related 11-12',   count(case          when incidentmostsevere in ('14', '15', '17', '20', '21', '22', '26')         incdtkey end) 'incident injury 11-12',   count(case          when incidentmostsevere in ('16', '18', '19', '23', '24', '25')         incdtkey end) 'incident no injury 11-12',   count(case          when incidentmostsevere in ('3', '13', '29', '31', '32', '33')         incdtkey end) 'other reason 11-12',   count(case          when incidentmostsevere in ('15', '01', '02', '03', '04', '05', '06')         incdtkey end) 'total incidents' cte group cityname order cityname

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