single_record = db(query).select().first()
if not single_record:
print "no record"
else:
print "record!", single_record
You can also do
db(query).count()
db(query).select().last()
-Thadeus
On Tue, Mar 16, 2010 at 3:45 PM, Michael Toomim wrote:
> Hi guys, I've found the following functions to be commonly useful in
> practice. Has anyone else written anything similar? Is there a better
> idiom here, or better names or interfaces for these?
>
> def get_one(query):
> result = db(query).select()
> assert len(result) <= 1, "GAH get_one called when there's MORE
> than one!"
> return result[0] if len(result) == 1 else None
>
>
> def get_or_make_one(query, table, default_values):
> result = get_one(query)
> if not result:
> table.insert(**default_values)
> return get_one(query)
>
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