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SAP HANA Exclude weekends while calculating diff between two dates.

Hi All,

I have requirement to find out the Number of hour between two dates, but we have to exclude the weekends (Saturday & Sunday).

Example : DATE1 is 19-July and DATE2 is July-26 - Actual diff is - 168 Hours.

Required Output is (168 - 48 Hours (Saturday & Sunday) - 120 Hours.

This I want to achieve using Graphical or Script Cal view, please help me to solve the issue.



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1 Answer

  • Jul 27, 2018 at 05:32 PM

    Hi Ramana,

    I have taken your scenario as a challenge for me and tried some SQL coding. It's not perfect even bad way. I am trying my hands with SQL codes.

    It might give you some idea.

    	declare v_i integer;
    	declare v_count integer;
    sel1 = select 
    			"0CALDAY" as "CALDAY",
     	 		"Yesterday" as "YESTERSDAY",
    	 		 sum("DATE_DIFF") AS "DATE_DIFF" ,	 		 
    	 		 sum((select 0 from dummy)) as "HOUR_DIFF",
    	 		 sum((select 0 from dummy)) as "WRK_HOUR_DIFF"
    	 		 from  "_SYS_BIC"."ZTABLE"
    --	 		 where "0CALDAY" >= '20180701'
    			 GROUP BY "0CALDAY", "Yesterday";
    select count(*) into v_count from :sel1;
    for v_i in 1..v_count do
    	WHILE to_date(:sel1.CALDAY[v_i]) < to_date(:sel1.YESTERSDAY[v_i]) do 
    		if( weekday(to_date(:sel1.CALDAY[v_i])) ) < 5 
    			sel1.WRK_HOUR_DIFF[v_i] = :sel1.WRK_HOUR_DIFF[v_i] 	+ 24 ;
    			sel1.HOUR_DIFF[v_i] 	= :sel1.HOUR_DIFF[v_i] 		+ 24  ;			
    			sel1.HOUR_DIFF[v_i] 	= :sel1.HOUR_DIFF[v_i] 		+ 24  ;			
    		end if;
    		sel1.CALDAY[v_i] = ADD_DAYS(to_date(:sel1.CALDAY[v_i]), 1) ;
    	end while ;	
    end for;
    select * from :sel1;
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