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Two different solutions:

1)  Replace the null with a default value
Select a.field1, coalasce(b.fieldq,"I am null")
from ...

2)  Use a null indicator variable
Select a.field1, b.fieldq
...
into :field1, :fieldq :fieldqnullind
...
Notice, no comma between fieldq and fieldqnullind?  If fieldqnullind < 0
then it is null

http://publib.boulder.ibm.com/infocenter/iseries/v5r3/ic2924/info/rzajp/rzajpexampindicatorirpg.htm#rzajpexampindicatorirpg


Rob Berendt
--
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com


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|   "Erhardt, Bill"           |                                           |
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|   midrange-l-bounces@midrang|                                   "Midrang|
|   e.com                     |                                   e List  |
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|   08/10/2004 12:49 PM       |                                   s       |
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|         Midrange Systems    |                                   ange.com|
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|      <midrange-l@xxxxxxxxxxx|                                   <MIDRANG|
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I'm trying to find out how to code the following SQL statement.  I'm doing
a
left outer join of file a to file b.  on filed Z.  Some of the values for
field Z do not exist in file b so SQL is returning null values for those
fields.  My RPG program is getting a negative value in the SULKED field and
when I look at the job log I get the following:
Indicator variable required
My question is how do I define the indicator variable?



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