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Hello,
I am trying to call the following Oracle stored function from my Fortran program but I am unsure of the syntax to use.
I can successfully call SELECT, UPDATE and DELETE statements using the following code but I'm not sure how qstring should be structured to call a function. Any assistance would be much appreciated. Thank you.
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I am not that familiar with SQL and Oracle stored functions/procedures, but the code fragment you show already contains the answer: the string qstring should be a valid SQL statement (in the Oracle dialect ;)). So if you format qstring in the same way you would do it to apply the stored function in an interactive session for instance, that should work in a Fortran program as well.
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Thanks for your response. I managed to call the function successfully by passing in the SQL statement:
qstring = "SELECT IRIS.ri_gndmsmt_pkg.delete_aplot_gndmsmt("//trim(cGndMsID)//",'"//trim(comments)//"') FROM DUAL"//char(0)
but received this error:
If the problem is a COMMIT, is it true that ForDBC deals with these somehow? I don't use COMMIT anywhere else in my sucessful SELECT, DELETE etc calls and have never had any ORA-14552 errors such as this. Or is it that functions are dealt with differently?
Thank you
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What happens if you issue this very same command in an interactive session? From the name of the stored procedure I am guessing that it does indeed change the contents, otherwise I at least would not include the word "delete" in its name.
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The function runs successfully within SQL Developer but requires the parameters to be set and 'BEGIN' and 'END' included etc. I
You are correct - the function deletes data from multiple tables in Oracle. After reading through the ForDBC documentation I don't think it is possble to call a stored function. The documentation only refers to standard DELETE, SELECT, UPDATE calls etc.
The reason we wanted to use a stored procedure was because the user running the program doesn't have (and can't be given) these deletion privileges for the relevant tables within Oracle.
Thanks
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I do a lot of SQL work, you would be better off using a DLL in a language that does SQL better and calling the DLL from the Fortran code, FORDBC is ok, but it is a bit limited. There are plenty of examples on the web so it should not be that hard as you only have a single command.
Good luck.

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