Waiting for 8.5 – GUC per user and database

On 7th of October Alvaro Herrera committed his own patch, which adds quite interesting possibilty:

Log Message:
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Make it possibly to specify GUC params per user and per database.
 
Create a new catalog pg_db_role_setting where they are now stored, and better
encapsulate the code that deals with settings into its realm.  The old
datconfig and rolconfig columns are removed.
 
psql has gained a \drds command to display the settings.
 
Backwards compatibility warning: while the backwards-compatible system views
still have the config columns, they no longer completely represent the
configuration for a user or database.
 
Catalog version bumped.

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