Support oracle 18c #196
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Support oracle 18c #196
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koic
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Follow up to rsim#196. This PR suppresses the following `assigned but unused variable` warning. ```console ==> Running specs with ruby version 3.1.0 /home/travis/.rvm/gems/ruby-head/bundler/gems/ruby-plsql-b7f469a72bd7/lib/plsql/procedure.rb:234: warning: assigned but unused variable - object_name ==> Effective ActiveRecord version 7.0.0.alpha2 ``` https://app.travis-ci.com/github/rsim/oracle-enhanced/jobs/550436965
koic
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Dec 3, 2021
Follow up to rsim#196. This PR suppresses the following `assigned but unused variable` warning. ```console ==> Running specs with ruby version 3.1.0 /home/travis/.rvm/gems/ruby-head/bundler/gems/ruby-plsql-b7f469a72bd7/lib/plsql/procedure.rb:234: warning: assigned but unused variable - object_name ==> Effective ActiveRecord version 7.0.0.alpha2 ``` https://app.travis-ci.com/github/rsim/oracle-enhanced/jobs/550436965
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#187
Finally, I have worked out a way to support Oracle 18c and higher. These changes were tested against Oracle 19.9 non-PDB Database and Oracle 12.1. The Oracle metadata catalogs have changed in many ways, so I have separated the implementation in new functions.
Since Oracle 19c has some strange bug with wrong database metadata entries with the test packages in the procedure specs, I have made some declaration changes which are downwards compatible. These wrong metadata entries do not show up in our application which has around 700k lines of PL/SQL code with thousands of type declarations but it seems to be a problem of the dense type declarations and type combinations used in the spec. I have not found any known Oracle issues for that but could reliably reproduce it.
For the maintainability of the code I would still favour dropping support for legacy Oracle and Ruby-Versions which are out-of-support for a number of years now.