Measure to count rows in related table returning all rows, not matched rows

[mike12345262262]

I have a time table with a row for every minute.  My measure is returning count of all rows, not matched rows...   what is wrong???

I have a fact table with time keys that only span 4 hours.  My measure....   Minutes = countrows(relatedTable(dTime).  but it returns 1440, the minutes in a day.  I want it to only return the minutes were my fact matches....  the mins in the 4 hour span.  on a table I see 60 mins for all 24 hours, but mt facts only occur dring 4 of those hours, so am looking for 240. 

Both tables have a time key that I join on.  my time table is on the one side, my fact is on the many side.  Cross filter direction doesn't seem to effect anything.

[Anonymous]

Hi @mike12345262262,

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[HoangHugo]

Hi, I think you should change Filter Direct, Fact table to Datetime table

[amitchandak]

@mike12345262262 , the minute table will match with fact table time if that is also in minutes

like this column

Time in min =  time(Hour([timestamp]) , minute([timestamp]),0)

will also depend on datatype of join column