initial commit

procedures/proc_UpdateHolidaysTable.sql

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+use Leo
+go
+
+alter proc dbo.proc_UpdateHolidaysTable
+as
+if not exists(select TABLE_NAME from INFORMATION_SCHEMA.TABLES where TABLE_NAME = 'HOLIDAYS')
+  create table dbo.HOLIDAYS(dt date primary key clustered, Holiday varchar(50))
+
+declare @year int = 2019
+
+while @year < year(getdate()) + 40
+begin
+  insert into dbo.Holidays(dt, Holiday)
+  select fhol.dt, fhol.Holiday
+  from
+    dbo.tvf_GetHolidays(@year) fhol
+    left join dbo.Holidays tbh on fhol.dt = tbh.dt
+  where fhol.dt is null
+
+  set @year = @year + 1
+end
+go