Help with CTE to remove overlaps

• N_Muller

  SSCarpal Tunnel

  Points: 4037

  More actions

  August 7, 2014 at 1:41 pm

  #289598

  I am having problems building a CTE and I hope someone can help me here. I have a table:

  declare @tbl table ( ID int, S time(0), E time(0) )

  with the following data:

  insert@tbl ( ID, S, E )

  values ( 1, '03:00', '05:00' ),

  ( 1, '04:00', '06:30' ),

  ( 1, '22:00', '23:00' ),

  ( 1, '23:00', '23:40' ),

  ( 1, '23:30', '23:45' )

  I need to build a CTE that will eliminate overlaps and produce the following result:

  ID S E

  -- --------- ---------

  1 03:00:00 06:30:00

  1 22:00:00 23:45:00

  Thanks for any clues.

• Sean Lange

  SSC Guru

  Points: 286590

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  August 7, 2014 at 1:53 pm

  #1736181

  Take a look at this article from Jeff Moden. It does exactly what you are asking for. http://www.sqlservercentral.com/articles/T-SQL/71550/[/url]

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