Oliver Jowett <[EMAIL PROTECTED]> writes:
> There appears to be no default, which is why we currently return -1.
The spec's notion of a "default precision and scale" is that every
numeric column has a specific precision and scale --- ie, is physically
fixed-width --- and everything you store into it will be coerced to that
precision and scale. Postgres doesn't do it that way, which is why the
notion of a default is a bit meaningless.
> Scale should default to 0 per the standard, but defaults to whatever the
> precision is in PostgreSQL (see the docs for details).
If you specify a precision only, we do assume scale 0 to go with it.
It's only the case of an unconstrained numeric column that we depart
from the spec for.
regards, tom lane
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