Re: [BUGS] BUG #14590: something wrong when create extension in schema pg_catalog

digoal@126.com writes:
> postgres=# create extension btree_gist with schema pg_catalog;  

I would say that that's neither a good idea nor a supported operation.
If it happens to work in some cases, okay, but you're definitely taking
risks of getting tripped up by the restrictions on pg_catalog...

> ERROR:  42501: permission denied to create "pg_catalog.new_type"  
> DETAIL:  System catalog modifications are currently disallowed.  

... like that one.

            regards, tom lane


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