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1548c3a304
It doesn't actually work, even with allow_system_table_mods turned on: the ALTER TABLE operation is rejected by ATSimplePermissions(), so even the error message we're adding in this commit is unreachable. Add a test case for it. Author: Nikolay Shaplov <dhyan@nataraj.su> Discussion: https://postgr.es/m/1913854.tdWV9SEqCh@thinkpad-pgpro
This directory doesn't actually contain any extension module. Instead it is a home for regression tests that we don't want to run during "make installcheck" because they could have side-effects that seem undesirable for a production installation. An example is that rolenames.sql tests ALTER USER ALL and so could have effects on pre-existing roles.