import uuid
unique_key = uuid.uuid4()
if you using Python.
2010/4/28 Mark Robson
> 2010/4/26 Roland Hänel :
>> > Typically, in the SQL world we use things like AUTO_INCREMENT columns
>> that
>> > let us create a unique key automatically if a row is inserted into a
>> table.
>>
>
> auto_increme
>
> 2010/4/26 Roland Hänel :
> > Typically, in the SQL world we use things like AUTO_INCREMENT columns
> that
> > let us create a unique key automatically if a row is inserted into a
> table.
>
auto_increment is an antipattern; it adds an extra key which you don't need
(usually). If your data has
There's no easy and efficient way to implement auto_increment keys in
cassandra. So people usually use UUIDs
(http://en.wikipedia.org/wiki/UUID) for this purpose, which is
considered globally unique.
If you can use one of the fields from your data model as a unique key,
better use it instead of ge
http://wiki.apache.org/cassandra/UUID if you don't need transactional
ordering, ZooKeeper or something comparable if you do.
2010/4/26 Roland Hänel
> Typically, in the SQL world we use things like AUTO_INCREMENT columns that
> let us create a unique key automatically if a row is inserted into a
Typically, in the SQL world we use things like AUTO_INCREMENT columns that
let us create a unique key automatically if a row is inserted into a table.
What do you guys usually do to create identifiers for use in Cassandra?
Do we only rely on "currentTimeMills() + random()" to create something tha
