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Trouble with SQL Case statement

Posted on 2013-05-16
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Last Modified: 2013-05-16
I am trying to write a query in Argos that uses nested case statements, but I keep getting a syntax error.  Can anyone point it out to me?


case lsenrmngt_rec.plan_enr_sess
     when 'FA' then
     case lsenrmngt_rec.enrstat
      when 'READMIT' then
      case
       when lsenrmngt_rec.deg matches 'A*' then
       case lsenrmngt_rec.plan_grad_yr
        when year(current) or year(current+1) then
        readm2a+1
       end
      end
    end readm2a

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Question by:Barry62
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Expert Comment

by:Aneesh Retnakaran
ID: 39171879
something like this


SELECT  case lsenrmngt_rec.plan_enr_sess
     when 'FA' then
     case lsenrmngt_rec.enrstat
      when 'READMIT' then
      case when lsenrmngt_rec.deg like '%A*%' then
       case when lsenrmngt_rec.plan_grad_yr= year(GETDATE() ) or lsenrmngt_rec.plan_grad_yr= year(GETDATE()+1) then  readm2a+1 END
     
     end
    end
    End
    readm2a


note, you are missing the else part for all the case statement
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Author Comment

by:Barry62
ID: 39171948
Could you give me an example?
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Accepted Solution

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Aneesh Retnakaran earned 500 total points
ID: 39171991
here is the one for the inner most case query

case when lsenrmngt_rec.plan_grad_yr= year(GETDATE() ) or lsenrmngt_rec.plan_grad_yr= year(GETDATE()+1) then  readm2a+1  ELSE  0 END -- not sure what value you need to show in case the condition was not satisfied
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Author Comment

by:Barry62
ID: 39172037
OK, I just realized that I don't need a nested statement because I don't want any 'else' conditions.  I fixed it like this:

case 
     when lsenrmngt_rec.plan_enr_sess = 'FA' and lsenrmngt_rec.enrstat = 'READMIT' and lsenrmngt_rec.deg matches 'A*' and lsenrmngt_rec.plan_grad_yr between year(GETDATE()) and year(GETDATE())+1
        then +1
        else 0
    end readm2a

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Author Closing Comment

by:Barry62
ID: 39172042
I'll give you the points since you got me thinking a different way.
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