How to create a function to calculate the calendar

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  Hi all

  I accidentally develop an application in which I had to follow the thread below and it works perfectly for the weekend (Saturday and Sunday)

  PL/SQL function to calculate the non-working days

  Now, my specific question is: how to implement the same function , but weekends (Fri & sat).

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  Thanks in advance.

  Amatu Allah

  with

  calendar as

  (select dat_val,

  cases where to_char(dat_val,'mm-dd') in (12-25', 12-26', ' 01-01')-in fact select the host table to_char(holiday_date,'mm-dd')

  then "vacation."

  When to_char (dat_val, 'Dy') in ('Friday', 'Saturday')

  then 'weekend '.

  else 'work '.

  end dat_type

  sum (case when to_char(dat_val,'mm-dd') in (12-25', 12-26', ' 01-01'))

  then 0

  When to_char (dat_val, 'Dy') in ('Friday', 'Saturday')

  then 0

  1 other

  end

  ) on working_count (dat_val control)

  from (select date "' 2015-12-01 + level - 1 dat_val)

  of the double

  connect by level<=>

  )

  )

  Select dat_val,

  dat_type,

  working_count

  calendar

  where dat_val between to_date(:lo_date,'yyyymmdd') and to_date(:hi_date,'yyyymmdd')

  and dat_type! = work «»

  DAT_VAL	DAT_TYPE	WORKING_COUNT
  11/12/2015	end of week	8
  12/12/2015	end of week	8
  18/12/2015	end of week	13
  19/12/2015	end of week	13
  25/12/2015	holiday	18
  26/12/2015	holiday	18
  01/01/2016	holiday	23
  02/01/2016	end of week	23
  08/01/2016	end of week	28
  09/01/2016	end of week	28

  Select to_date(:lo_date,'yyyymmdd') lo_date,

  to_date(:hi_date,'yyyymmdd') hi_date,

  dat_val,

  dat_type,

  working_count,

  Lead (working_count) more (order of dat_val) - working_count + 1 working_days,

  to_date(:hi_date,'yyyymmdd') - to_date(:lo_date,'yyyymmdd') - lead (working_count) (order dat_val) + working_count non_working_days

  calendar

  where dat_val in (to_date (:hi_date,'yyyymmdd'),to_date(:lo_date,'yyyymmdd'))

  LO_DATE	HI_DATE	DAT_VAL	DAT_TYPE	WORKING_COUNT	WORKING_DAYS	NON_WORKING_DAYS
  10/12/2015	10/01/2016	10/12/2015	work	8	22	10
  10/12/2015	10/01/2016	10/01/2016	work	29	-	-

  Concerning

  Etbin

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