Oracle-L: One potential problem in 9.2 ... was RE: Oracle 9.2 Stability Fee

From: Jamadagni, Rajendra <Rajendra.Jamadagni_at_espn.com>
Date: Thu, 22 Aug 2002 05:33:22 -0800
Message-ID: <F001.004BC697.20020822053322@fatcity.com>

So far we haven't found our problem in a testing environment it is 9201 on a RAC cluster. We are having difficulty getting 6i reports server to run, but no major problems.

Okay here is something I will be investigating ... something for you all to think about. The query is something like this ...

select col_1, col_2, nvl(col_3,'X') col_3 from table_a
union
select col_1, col_2, 'X' col_3
from table_b
/

This is of course not the complete query but just to give you all an idea. What happens is col_3 is actually defined as varchar2(2) in the database. Sometimes the value for this column be null, single character or two characters.

This is working fine in our 8161 database, oracle forms passes parameter to a database packaged procedure which has this code. When we moved this to 9.2, the query started giving ORA-6502 errors. When removed col_3 from the query, things were just fine.

Here is the catch, after playing with it for about 15 minutes, I changed the nvl clause to "NVL(col_3, 'XX') col_3" thing worked as before, no errors.

What gives?? I will try to test this again, but has any of you encountered this before? BTW yesterday I searched on Metalink for all bugs reported in 9.2.0.1 and fixed in 10.0.0.0, there were 7 bugs reported to be fixed in 10i. Some of them may be back ported, but isn't is good to know?

Raj

Rajendra Jamadagni MIS, ESPN Inc.
Rajendra dot Jamadagni at ESPN dot com
Any opinion expressed here is personal and doesn't reflect that of ESPN Inc.

QOTD: Any clod can have facts, but having an opinion is an art!

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Author: Jamadagni, Rajendra
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Received on Thu Aug 22 2002 - 08:33:22 CDT