On Thu, Mar 31, 2011 at 6:39 PM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
> Going just integer->money, with the "1" -> "$1.00", seems completely
> reasonable to me. As for being too late in the cycle.. if someone's
> willing to do the work, I can't imagine it breaking anything, so I
> wouldn't be against putting it in. It really should be before the
> first beta tho.
Attached is a patch which enables casting int2/int4/int8 to money,
with the same scaling as numeric uses. Hence, 1::money yields '$1.00'
. The only other numeric types (other than oid, cardinal_number,
etc.) that can't be casted directly to money are float4 and float8,
and I suspect this is intentional.
The patch includes tests, but does not update the documentation.
Should the docs be updated where it reads "Values of the numeric data
type can be cast to money. Other numeric types can be converted to
money by casting to numeric first" ?
Because this change adds rows to the pg_proc and pg_cast catalogs,
applying this patch for 9.1 will require alpha users to initdb again.
Is that acceptable?
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