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Ignor Repeat Calling Function inside Query Rows just for Once to every User ID


Try this:

select dbo.Master_Table.Master_ID,
       dbo.Master_Table.Name,
       Activites_Table.Activity_Name ,
       t.Total_Balance
From   dbo.Master_Table INNER JOIN
dbo.Activites_Table
       ON 
       dbo.Master_Table.Master_ID =
dbo.Activites_Table.Master_ID

       inner join (select Master_ID, 
                         
fn_calc_balance_for_user(t.Master_ID) as
Total_Balance
                     from (select distinct
Master_ID
                             from Master_Table)t)t
       on t.Master_ID =
dbo.Activites_Table.Master_ID;

The goal is to find unique Master_ID's and call fn_calc_balance_for_user once for each of them. It can be easily achieved with a separate query like above.


Categories : SQL

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