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From Yan Koyfman <koyf...@gmail.com>
Subject Re: Mixed client/server versions
Date Tue, 26 Sep 2017 18:14:35 GMT
Josh,

Thank you for the detailed response.   I'm glad to hear Avatica maintains
backward compatibility.


On Thu, Sep 21, 2017 at 11:08 AM, Josh Elser <elserj@apache.org> wrote:

> Hi there,
>
> In general, no, you should not see issues. We (really, Avatica -- the
> project "powering" PQS) strives to make changes to the wire-protocol in a
> backwards compatible manner. Avatica also includes a basic framework to do
> forward and backwards compatibility testing.
>
> You are more likely to run into issues where the 4.7 client is simply
> doing the wrong thing. There have been one or two issues like these.
> CALCITE-1103 is one that I can find easily (truncation around decimal
> datatypes).
>
>
> On 9/19/17 2:16 PM, Yan Koyfman wrote:
>
>> Would we run into issues when working with a newer PQS server (4.11) and
>> a 4.7 client library?  In general I'm curious if there is backward
>> compatibility between mixed server / client versions.
>>
>> Thanks
>>
>>

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