Neil Conway wrote:
I'm still unconvinced that this feature would be sufficiently useful to
justify the maintenance burden, in addition to the added complexity:
even if it is implemented in a way that imposes minimal *runtime*
overhead, new features add complexity: introducing a bunch of new DDL
commands and a new concept ("synonyms") makes the system more difficult
for users to understand.
Synonyms appear to me a little like domains. I like them to abstract
from proprietary data types. Similar, leightweight synonyms (pg_class
entries) allow some abstraction if needed, without using rules. I don't
think that synonyms are more difficult to understand than domains.
Regards,
Andreas
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