>  It's a problem. See this recent discussion:
>  
> http://www.postgresql.org/message-id/flat/20150710115735.gh26...@alap3.anarazel.de

Postgresmen, we have a SQL function "current_database", which can be called by 
statement "SELECT CURRENT_CATALOG".

If we will use CURRENT_CATALOG keyword, we can update syntax of COMMENT 
statement:

COMMENT ON DATABASE CURRENT_CATALOG IS 'comment';

And pg_dump will create this line for database. What are you think about this 
idea? Later, I send a patch with it.

P.S. Maybe we can apply this mechanism for dumping SECURITY LABEL statetment.


-- 
Best regards, Dmitry Voronin


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