Hi,
On Thu, Apr 3, 2014 at 6:05 AM, Jasintha Dasanayake <jasin...@wso2.com>wrote:
>
>
>
> On Wed, Apr 2, 2014 at 11:35 PM, Sohani Weerasinghe <soh...@wso2.com>wrote:
>
>> Hi,
>>
>> If I want to create an Avro Schema from XML or XSD which contains
>> nillable value as shown below how can I represent it in the Avro Schema ?
>>
>> xml : <result xsi:nil="true" ></result>
>>
>> xsd : <xs:element name="result" type="xs:string" nillable="true"/>
>>
>> In Avro Schema we can have unions (optional fields) as shown below.
>>
>> {"name": "result", "type": ["int", "null"]} which means result can be
>> either an int or null.
>>
>
> This says , ["int", "null"] declares a schema which may be either a int or
> null,
> /Jasintha
>
AFAIK, there is no nillable or optional kind of specifier in Avro, using
'unions' is only possible way, I don't see this as an issue since you may
handle this in avro serialization / de-serialization level.
Thanks,
Melan
>
>
>
>>
>> Since this is not the way of representing nillables, Can someone provide
>> a solution to represent nillables in Avro Schema.
>>
>>
>> Thanks,
>> Sohani
>>
>> Sohani Weerasinghe
>> Software Engineer
>> WSO2, Inc: http://wso2.com
>>
>> Mobile : +94 716439774
>> Blog :http://christinetechtips.blogspot.com/
>> Twitter : https://twitter.com/sohanichristine
>>
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>>
>
>
> --
>
> *Jasintha Dasanayake *
>
> *Software EngineerWSO2 Inc. | http://wso2.com <http://wso2.com/> lean .
> enterprise . middleware*
>
>
> *mobile :- 0711368118*
>
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--
*Melan Nimesh*
Software Engineer;
WSO2 Inc.; http://wso2.org
E-mail: melan AT wso2.com;
Mobile: +94 77 631 6759
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