Pavel Stehule <[email protected]> writes:
> I propose for types with typmod -1 early casting - etc casting to
> target type on planner level. We cannot use this method for defined
> typmod, because we would to raise exception for following situation:
What existing coding habits will this break? People have long been
accustomed to use plpgsql for end-runs around SQL casting behavior,
so I'm not really convinced by the idea that "make it more like SQL"
is automatically a good thing.
Also, it seems bizarre and inconsistent that it would work one way
for variables with a typmod and an entirely different way for those
without. How will you explain that to users who never heard of a
typmod?
regards, tom lane
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