On Wed, Oct 4, 2017 at 3:40 AM, Haribabu Kommi <kommi.haribabu@gmail.com> wrote:
> There are some differences in handling database objects
> between pg_dump and pg_dumpall, To retain both pg_dump
> and pg_dumpall behavior even after refactoring, this option
> is added. Currently this option is used mainly for the three
> purposes.
>
> 1. Don't print unnecessary CREATE DATABASE options like
> ENCODING, LC_COLLATE and LC_CTYPE options if the
> default encoding is same with the above values.
>
> The above behavior is as per the pg_dumpall, but it can be
> changed to print irrespective of the default encoding.
>
> 2. Do not dump postgres and template0 databases.
>
> 3. Set default_transaction_read_only = off.
To me it seems that a refactoring which requires pg_dump to behave
differently in small ways like this based on whether it is being
called by pg_dumpall or not is probably not a good refactoring. And I
don't see why the proposal from Tom that started this thread would
require such a thing to be true.
From your list, I would say that (1) and (3) seem like behaviors that
we either want or do not want. Whether pg_dump or pg_dumpall is
involved seems irrelevant. (2) seems like it might need some special
handling, but that could be handled in pg_dumpall by just not calling
pg_dump at all for those database.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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