Re: mapping object names to role IDs

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От Robert Haas
Тема Re: mapping object names to role IDs
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Msg-id AANLkTil8jPb6qBsJ1Lsk1EbPBTnVdWfIE_PZkQVP-2AH@mail.gmail.com
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Ответ на Re: mapping object names to role IDs  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Wed, May 26, 2010 at 1:27 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> alvherre <alvherre@commandprompt.com> writes:
>> Excerpts from Robert Haas's message of mié may 26 07:20:30 -0400 2010:
>>> I still feel that we'd be better off putting all the functions that
>>> use the same design pattern in a single file, rather than spreading
>>> them out all over the backend.
>
>> This doesn't buy you anything, because that one header will likely have
>> to #include all the other headers anyway.  And if this is so, then all
>> those headers will now be included in all files that require even a
>> single one of these functions.
>
> For the particular case Robert is proposing, the *header* isn't a
> problem, because the only types it would deal in are Oid, bool,
> const char *, and List *.  But you're right that in general this design
> pattern carries a risk of having to include the world in a commonly-used
> header file, which is certainly not a good idea.

Right.  I am very cognizant of the problem, but it isn't really an
issue in this case.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company


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