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Invalid packages not being recompiled by Oracle

From: Troiano, Paul (CAP, GEFA) <Paul.Troiano_at_gecapital.com>
Date: Thu, 28 Jun 2001 10:55:36 -0700
Message-ID: <F001.0033C52E.20010628105623@fatcity.com>

We have one package A that refers to package B. If package B's body and specification are both recompiled by user 1, package A is correctly marked as invalid. Another user, user 2, then attempts to execute package A and gets the following error stack:

User 2 then issues the statement 'alter package A compile;' It compiles successfully and user 2 can now execute the package.

Why does Oracle not automatically recompile package A as it should? Since user 2 was able to recompile the package in its existing state, Oracle should not have failed at doing so. User 2's session instantiation of package A (as well as all of their other instantiated packages) should have been lost when package A was invalidated.

I understand that two possible options are: (1) Flush the shared pool after recompiling; and (2) Manually recompile all dependent packages (such as A). The first seems like overkill and will cause performance issues. The second, with many dependencies involved, is not an option.

We need to consistently be able to recompile a package that other packages are dependent upon without a user recieving the above error stack in addition to not impacting performance or without having to recompile all the dependent packages.

Thanks in advance,

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Author: Troiano, Paul (CAP, GEFA)
  INET: Paul.Troiano_at_gecapital.com

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