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From Stepan Migunov <>
Subject RE: Phoenix ODBC driver limitations
Date Thu, 24 May 2018 07:24:50 GMT
Yes, I read this. But the document says "This needs to be set at client and
server both". I've been confused - what is "client" in case of
ODBC-connection. I supposed that driver, but it seems queryserver.

-----Original Message-----
From: Francis Chuang []
Sent: Thursday, May 24, 2018 1:35 AM
Subject: Re: Phoenix ODBC driver limitations

Namespace mapping is something you need to enable on the server (it's off by

See documentation for enabling it here:


On 24/05/2018 5:23 AM, Stepan Migunov wrote:
> Thanks you for response, Josh!
> I got something like "Inconsistent namespace mapping properties" and
> thought it was because it's impossible to set
> "isNamespaceMappingEnabled" for the ODBC driver (client side). After
> your explanation I understood that the "client" in this case is
> queryserver but not ODBC driver. And now I need to check why queryserver
> doesn't apply this property.
> -----Original Message-----
> From: Josh Elser []
> Sent: Wednesday, May 23, 2018 6:52 PM
> To:
> Subject: Re: Phoenix ODBC driver limitations
> I'd be surprised to hear that the ODBC driver would need to know
> anything about namespace-mapping.
> Do you have an error? Steps to reproduce an issue which you see?
> The reason I am surprised is that namespace mapping is an
> implementation detail of the JDBC driver which lives inside of PQS --
> *not* the ODBC driver. The trivial thing you can check would be to
> validate that the hbase-site.xml which PQS references is up to date
> and that PQS was restarted to pick up the newest version of
> hbase-site.xml
> On 5/22/18 4:16 AM, Stepan Migunov wrote:
>> Hi,
>> Is the ODBC driver from Hortonworks the only way to access Phoenix
>> from .NET code now?
>> The problem is that driver has some critical limitations - it seems,
>> driver doesn't support Namespace Mapping (it couldn't be able to
>> connect to Phoenix if phoenix.schema.isNamespaceMappingEnabled=true)
>> and doesn't support query hints.
>> Regards,
>> Stepan.

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