Re: restrict global access to be readonly

happy times wrote
> Sure, we can utilize the runtime parameter
> default_transaction_read_only, however, it does not restrict user from
> changing transaction attribute to non-readonly mode, so is not safe.

ISTM that implementing a means to make this setting only super-user
changeable would be a quick(er) solution to the problem - the decision as to
what to disallow is already decided.

It seems like it would have to be a separate GUC but it would require any
new SQL but would simply leverage the existing settings system to setup
database-user values that only a super-user can change.

David J.

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