can that possible implement ACID transaction through binary protocol ?

[Payne Chu]

Hi all,

I'm trying to understand the binary protocol for creating golang driver.

But I have problem to implement ACID transaction.

I found out Oriento(NodeJs) and OrientDB-PHP both not yet implement the transaction function.

And the binary protocol only have REQUEST_TX_COMMIT command seems related to transaction

So is that possible implement ACID transaction through binary protocol ?

Is there any client already implemented ?

I hear before seems OrientDB's ACID transaction is client based.

Could you guys give me more detailed document or information to achieve this ?

Thanks

Payne

[Artem Orobets]

Hi Payne,

Cool! Good luck with that and feel free to ask any questions if something is not clear.

It is definitely possible to implement transactions through binary protocol, you can take a Java driver as an example.

The transactions are client side, that means that all changes are collected by the client and then sent in one shot with REQUEST_TX_COMMIT command. This lead to more complex transaction management at client side, but provide more efficiency.

Take a look at this page, it contains definitive description of binary protocol.

Best regards,

Artem Orobets

Orient Technologies

the Company behind OrientDB

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[Artem Orobets]

Sorry, it seems some formatting are broken on that page. I'll try to fix that soon.

Best regards,

Artem Orobets

Orient Technologies

the Company behind OrientDB

[Payne Chu]

Thanks Artem,

But the java source is quite big. And I'm just new in OreintDb. A bit difficult to know where is the right place to look at.

Could you tell me which packages is related to client driver?

[Payne Chu]

And could also help me with this two questions ?

https://groups.google.com/forum/#!topic/orient-database/q-banxD0768
https://groups.google.com/forum/#!topic/orient-database/2H3uFdE5NlQ

[Artem Orobets]

Hi Payne,

Start from the wiki page.

The java client is separated to orientdb-client module. Take a look at com.orientechnologies.orient.client.remote.OStorageRemote to understand how certain operations implemented.

Best regards,

Artem Orobets

Orient Technologies

the Company behind OrientDB