sql server - Crystal Reports get all records relative to a field -


the task simple looks complicated crystal reports

i have table

id groupid partyid ..... 1  1       1 2  1       2 3  1       3 4  2       2 5  2       1 ... on

so groupid there can different party records

now want group records of party # 1, should return groups 1 , 2 both

and if want records party # 3, should return group 1 records (ids 1,2 , 3)

i have partyid sent crystal reports parameter.

what happens when use parameter filer results, particular party record. e.g. if part id = 1 records id=1 , 5 only, while should records 1 5 , if party id = 3 passed, record id=3, while should (or want get) records id=1,2 , 3

how can achieve this?

you can use self-join accomplish this. using 1 copy of table identify groupid values associated partyid, using second copy of table find rows groupid values.

select table1.id, table1.groupid, table1.partyid table table1     inner join table table2 on table1.groupid = table2.groupid table2.partyid = <<partyid>>

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