On Tue, Jun 19, 2012 at 12:35 PM, Morgan Segalis <[email protected]> wrote:
> Hi everyone !
Hi, Morgan.
> 1 - Are Link walking in Erlang fast & easy ?
Link-walking in the Erlang client is provided via the MapReduce
interface. Instead of a 'map' or 'reduce' phase, specify a 'link'
phase like:
{link, Bucket, Tag, Keep}
Bucket is either a binary name of a bucket to match, or the atom '_',
which matches any bucket. Tag is either a binary tag to match, or the
atom '_', which matches any tag. Keep is a boolean with the same
meaning as in map and reduce phases.
http://wiki.basho.com/MapReduce.html#Erlang-Query-Syntax
> 2 - Is it possible to check fast if A -> B -> A (still in Erlang)? ('->'
> represents Links)
The fastest way to do this is to fetch both A and B and look through
the links they contain.
HTH,
Bryan
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