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Help with an SQL select query

Posted on 2009-04-08
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Last Modified: 2012-05-06
Hi all, I have a table called products (a dummy data version is in the code box below) and I want to change the output data (not the data stored just what comes out from the query) in the column "ProductClass" to one of the following below: (dependent on what is already in that field)

Hats
Bags
Other

Example of the Table:

ID          NAME          PRODUCTCLASS
1          foo               123
2          som              456
3          gee               789
4          hhh               xyz
5          sss               asd
6          ppp               abc
7          bbb               bar


The result should then be (in the output from the Select not updating the DB)

ID          NAME          PRODUCTCLASS
1          foo               Hats
2          som              Hats
3          gee               Hats
4          hhh               Bags
5          sss               Bags
6          ppp               Bags
7          bbb               Other

A dummy if statement is in the code field.

Any help would be greatly appreciated.

Xavier.
if(ProductClass = "abc" or ProductClass = "asd" or ProductClass = "xyz") then
{
   ProductClass = "Bags";
}
else
{
   if(ProductClass = "123" or ProductClass = "456" or ProductClass = "789") then ProductClass = "Hats";
}
else
{
ProductClass = "Other";
}

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Question by:drxav
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8 Comments
 
LVL 39

Accepted Solution

by:
appari earned 400 total points
ID: 24104394
Select
ID          , NAME          ,
PRODUCTCLASS,
case when PRODUCTCLASS in ('abc','asd','xyz') then 'bags'
when PRODUCTCLASS in ('123','456','789') then 'Hats'
else 'Other' end from yourtableName
0
 
LVL 57

Expert Comment

by:Raja Jegan R
ID: 24104408
Do you mean this:

SELECT ID, NAME,
CASE WHEN PRODUCTCLASS IN ('123', '456', '789') THEN 'Hats'
         WHEN PRODUCTCLASS IN ('xyz', 'asd','abc') THEN 'Bags'
         WHEN PRODUCTCLASS IN ('bar') THEN 'Other'
END AS PRODUCTCLASS
FROM products
0
 
LVL 31

Expert Comment

by:RiteshShah
ID: 24104415
you can do something like
SELECT ID,NAME,
ProductClass=CASE WHEN ProductClass='abc' or ProductClass='asd'  or ProductClass='xyz' then 'bags' end
from product

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LVL 31

Assisted Solution

by:RiteshShah
RiteshShah earned 100 total points
ID: 24104417
full query

SELECT ID,NAME,
ProductClass=CASE
WHEN ProductClass='abc' or ProductClass='asd'  or ProductClass='xyz' then 'bags'
WHEN ProductClass='123' or ProductClass='456'  or ProductClass='789' then 'hats'
else 'Other'
end
from product

0
 
LVL 31

Expert Comment

by:RiteshShah
ID: 24104420
;) bit late in answering!!!
0
 
LVL 4

Author Comment

by:drxav
ID: 24104434
Is there a way to use * rather than specifying the fields? Nb. the query below uses actual objects and field names:

Select TOP 100 *
CASE
WHEN PRODUCTCLASS in ('HATS','IHAT') THEN 'HATS'
WHEN PRODUCTCLASS in ('JACK','IJAC') THEN 'JACK'
ELSE 'Other Shit' END
from dbo.ArTrnDetail
0
 
LVL 4

Author Comment

by:drxav
ID: 24104440
scratch that missing a comma thanks
0
 
LVL 31

Expert Comment

by:RiteshShah
ID: 24104445
you can do like this.

SELECT top 100 *,
ProductClass=CASE
WHEN ProductClass='abc' or ProductClass='asd'  or ProductClass='xyz' then 'bags'
WHEN ProductClass='123' or ProductClass='456'  or ProductClass='789' then 'hats'
else 'Other'
end
from product


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