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Manshadi
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Joined: 31 Aug 2005
Posts: 82
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Hi,
I have been looking at the BCAS trace inputs.
In some cases, the statement number listed is conflicting.
Statement 4518 of DBIOCASV is referred as Insert, Select, Update. But the real statement is INSERT.
+ INSERT 4518 DBIOCASV 1 00:00.01361 0 0 0
+ SELECT 4518 DBIOCASV 1 00:00.20540
+ UPDATE 4518 DBIOCASV 1 00:00.60928
Similarly statement 5732 of DBIOINCT, which is an INSERT, appears as Close Cursor, Select, Insert.
+ CLOSE CURSOR 5732 DBIOINCT..done 1 00:00.17315
+ SELECT 5732 DBIOINCT 1 00:00.19338
+ INSERT 5732 DBIOINCT 1 00:00.01296...done
Is there any reason why this would occur?
Regards
Manshadi |
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Bill Woodger
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Joined: 09 Mar 2011
Posts: 7309
Location: Inside the Matrix
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Is this the first time you have looked at these? Or have you done so before and are saying these particular ones are unusual?
What do your colleagues have to say about this? Anything in manual or online help of any sort? |
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Manshadi
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Joined: 31 Aug 2005
Posts: 82
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No this is not first time which I found that and it's not happen always for example during (1 hour ) trace 2 times.
I could not find anything related to this issue on online help or document.
Please note that the sql statement on DBRMLIB is unique for each statement.
regards
Manshadi |
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Bill Woodger
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| Do you know the data that caused the multiple references? |
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Manshadi
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Joined: 31 Aug 2005
Posts: 82
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| Yes the data referenced with multiple transactions.(with DEP GEN CAS transactions) |
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Bill Woodger
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OK. I'm being Plastic-Blow-Up-Programmer here, in that I'm keeping time until someone who knows something about this comes by. You talk to me in the hope that you realise something in explaining.
Assume I know nothing, so explain as though to a simpleton.
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| Yes the data referenced with multiple transactions.(with DEP GEN CAS transactions) |
So, the above is meaningless to me. Explain as fully as you can, and how (if it is) it is different from other data that has caused expected use in the trace. |
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Manshadi
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Joined: 31 Aug 2005
Posts: 82
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Sorry about poor explanation.
I mean same DBIO and same SQL statement will call by different transactions.
For example 5732 sql statement of DBIOINCT could be call by DEP or CAS transaction in same time.
Regards
Manshadi |
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Bill Woodger
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Posts: 7309
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OK. Now I'm walking on air waiting to do a "Wile E Coyote".
Obviously the SQL that is at that original statement does not change, and then change back again for the next process, unless everything has gone to pot.
So, is there a way that one SQL statement presented to DB2 will cause others to be generated to satisfy the requirement that you are aware of? That matches the statements you have seen in the trace?
If not
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