MongoDb: After inserting a UUID with ruby, c# can't convert it to GUID -



MongoDb: After inserting a UUID with ruby, c# can't convert it to GUID -

i attempting insert object mongodb using ruby , retrieve using c# , norm driver.

all seemed progressing until wanted utilize guid within c# object.

i used next code set uuid in ruby before inserting mongo (as suggested blog post http://blog.mikeobrien.net/2010/08/working-with-guids-in-mongodb-with-ruby.html):

bson::binary.new("d7b73eed91c549bfaa9ea3973aa97c7b", bson::binary::subtype_uuid)

when retrieving object in c# exception "byte array guid must 16 bytes long." thrown.

using administrative shell inspected contents of object. guid property had been set

bindata(3,"zddinznlzwq5mwm1ndlizmfhowvhmzk3m2fhotdjn2i=")

however if inserted same guid using c# guid property set to

bindata(3,"7t6318wrv0mqnqoxoql8ew==")

any ideas i'm doing wrong?

i think blog illustration wrong. looks me want guid hexstring, ie starting "\xd7" (one byte) not "d7"

i tried this:

guidpack=guid.scan(/../).map {|e| e.to_i(16)}.pack('c*')

and checked base64 encoded size, looks right now.

base64.encode64 bson::binary.new(guidpack, bson::binary::subtype_uuid).to_s => "17c+7zhfsb+qnqoxoql8ew==\n"

but result doesn't match happens when utilize c# above, might not right reply @ all. (i'm not testing mongo etc, bson gem, can't check sorry)

c# ruby mongodb uuid

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