If not exist insert else update

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If not exist insert else update

Author

Topic

Vack
Aged Yak Warrior

530 Posts

Posted - 2014-02-17 : 14:30:49

How do I Use the insert code below only if a record does not exist in the cisect table? Then if it exists I just want to

update cisect
set ml_desc_0 = cus_type_desc
from artypfil_sql A join cisect c on a.cus_type_cd = c.sct_code




INSERT INTO [002].[dbo].[cisect]
           ([sct_code]
           ,[ml_desc_0]
           ,[syscreated]
           ,[syscreator]
           ,[sysmodified]
           ,[sysmodifier]
           )
     select
     cus_type_cd,
     cus_type_desc,
     GETDATE(),
     0,
     GETDATE(),
     0
           from artypfil_sql

Vack
Aged Yak Warrior

530 Posts

Posted - 2014-02-17 : 14:36:40

I seem to have stumbled across an answer. This seems to work.
update cisect
set ml_desc_0 = cus_type_desc
from artypfil_sql A join cisect c on a.cus_type_cd = c.sct_code
if @@ROWCOUNT =0

INSERT INTO [002].[dbo].[cisect]
([sct_code]
,[ml_desc_0]
,[syscreated]
,[syscreator]
,[sysmodified]
,[sysmodifier]
)
select
cus_type_cd,
cus_type_desc,
GETDATE(),
0,
GETDATE(),
0
from artypfil_sql
GO

Vack
Aged Yak Warrior

530 Posts

Posted - 2014-02-17 : 14:38:15

Actually I take that back. It won't insert a new row. Only updates.

Vack
Aged Yak Warrior

530 Posts

Posted - 2014-02-17 : 15:03:48

This works perfect

merge into cisect c
using (select cus_type_cd, cus_type_desc from artypfil_sql) a
on (c.sct_code = a.cus_type_cd)
when matched then
update set c.ml_desc_0 = a.cus_type_desc
when not matched then

INSERT
([sct_code]
,[ml_desc_0]
,[syscreated]
,[syscreator]
,[sysmodified]
,[sysmodifier]
)
values(
cus_type_cd,
cus_type_desc,
GETDATE(),
0,
GETDATE(),
0
)
when not matched by source
then delete;

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