On Jun 23, 2011, at 12:52 AM, Alvaro Herrera wrote:
> Excerpts from Joshua D. Drake's message of mié jun 22 15:37:17 -0400 2011:
>> Per:
>>
>> http://archives.postgresql.org/pgsql-hackers/2010-11/msg02043.php
>>
>> It seems we did come up with a use case in the procpid discussion. The
>> ability to change the names of columns/databases etc, to handle the
>> fixing of bad decision decisions during development over time.
>>
>> Thoughts?
>
> Let's start with what was discussed and supported in that thread, that
> is, databases. It seems less clear that columns are widely believed to
> be a good idea to have synonyms for. Besides, synonyms for databases
> should be reasonably simple to implement, which is not something I would
> say for columns.
yes, implementing synonyms is not too hard.
some time ago (3 or 4 years ago most likely) we already posted a patch providing support for synonyms.
it was rejected because synonyms were said to be a bad design pattern which app developers to do nasty things.
so, if you want to work on it maybe this patch is the place to start.
many thanks,
hans
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