For example, you have user, post, comment table. Sharding is done by
user_id and shard_lookup is done via lookup table. If one is going to
create a post, you would lookup the user_id in the lookup table and
insert the post entry into the shard where the user_id belongs to.
How would you translat
Lilo wrote:
>
> My understanding of this query_chooser is that it's used when you want
> to execute orm's sql rather than raw sql.
>
> I don't quite understand what is visit_binary function do from
> attribute_shard.py example. What does it mean binary.operator,
> binary.left, binary.right.clau
My understanding of this query_chooser is that it's used when you want
to execute orm's sql rather than raw sql.
I don't quite understand what is visit_binary function do from
attribute_shard.py example. What does it mean binary.operator,
binary.left, binary.right.clause and query._criterion?
T
On Jun 25, 2008, at 6:30 PM, lilo wrote:
>
> I am trying to understand what id_chooser and query_chooser do.
> Id_chooser basically uses a instance primary key to determine what
> shard the intance should be saved to?
id_chooser receives a primary key identifier, and then returns a list
of sh
