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Alternatives to onstat

Posted on 2011-03-18
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Last Modified: 2013-12-24
I am working with an old version of informix (5)  and onstat was not yet available in this release.  I need to be able to see the queries that are being run against the database.  

What is an alternative solution that would allow me to see the queries that are being run?

If it requires changing the database detailed instructions on how to add and use this functionality and remove it afterwords would be appreciated.  3rd party software solutions would have to be free.

Thanks,
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Question by:Mr_Oz
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Expert Comment

by:flutophilus
ID: 35165699
If it's Informix 5 Turbo, then the equivalent command is tbstat. If it's Standard Engine then there is no equivalent.
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Author Comment

by:Mr_Oz
ID: 35166118
Ok I have tbstats how would I use this to get the query info.

For example I want to see that the query 'select * from blah' was just run against the DB.  Is this possible with tbstats?

Thanks,
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Expert Comment

by:flutophilus
ID: 35166941
Not to my knowledge.
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Author Comment

by:Mr_Oz
ID: 35167506
I will leave this open a bit longer in case there are any other suggestions to my problem, but thanks for the info flutophilus.

Could this be done somehow by adding a trigger?  My knowledge on this subject is somewhat limited.
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Expert Comment

by:gsmak
ID: 35171989
First check if you have  installed  
/usr/informix/bin/onstat

Solution is copy onstat there .

All about  commant onstat or similer  is  here :  

http://www.advancedatatools.com/Articles/Onstat/IDS_utilities.pdf

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Author Comment

by:Mr_Oz
ID: 35180160
That is a good article gsmak the problem is the version of informix I have predates onstat.  I do not have onstat available to me to copy to that location.

Thanks
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Expert Comment

by:flutophilus
ID: 35180297
You can't use a trigger to see that a query has been run - you can use triggers to capture additions, deletions and updates.

It might help us to help you if you could give us some more background to the problem.

For example why you want to know when queries are made? What tools are being used to perform the queries? What control do you have over how these queries are made?

F.
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Author Comment

by:Mr_Oz
ID: 35180500
I have a custom legacy 3rd party application that has no src/support available to it any longer.  I am doing research to figure out if I can utilize the application in some form or if the app will need to be completely  re-written.  Since source is not available I can not be sure how it is utilizing the tables.  What I would like to be able to do is execute the app and as I am running it see how it is interacting with the database.

Thanks,

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Accepted Solution

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flutophilus earned 2000 total points
ID: 35180985
Yes, tricky.  Can't really offer any help I'm afraid, other than guessing what tables are affected when you do something and checking out what's been written/updated using dbaccess.
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Author Closing Comment

by:Mr_Oz
ID: 35181050
Ok thanks flutophilus, not the answer I was hoping for but an answer nonetheless :)
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