avro-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Tianxiang Xiong <tianxiang.xi...@fundingcircle.com>
Subject Re: UUIDs in Avro Schemas
Date Wed, 23 Nov 2016 00:31:11 GMT
I see, I'll close the ticket then if using logical types this way to
specify UUID is idiomatic.

On 22 November 2016 at 16:21, Yibing Shi <yshi@cloudera.com> wrote:

> Hi Tianxiang,
>
> I am sorry! I replied too quickly!
>
> I thought that you were complaining that you couldn't generate the UUID
> type with IDL compiler, but when I check the JIRA you have just created, I
> find that you actually want to know how to specify UUID type in JSON
> format, which has already been there. Please use below definition:
>
> {
>   "type": "string",
>   "logicalType": "uuid"
> }
>
> *Yibing Shi*
> *Customer Operations Engineer*
> <http://www.cloudera.com>
>
> On Wed, Nov 23, 2016 at 10:43 AM, Tianxiang Xiong <tianxiang.xiong@
> fundingcircle.com> wrote:
>
>> Thanks Yibing, I have created AVRO-1962
>> <https://issues.apache.org/jira/browse/AVRO-1962>. Take a look and let
>> me know if additional information/changes are needed to the ticket.
>>
>> On 22 November 2016 at 15:12, Yibing Shi <yshi@cloudera.com> wrote:
>>
>>> Hi Tianxiang,
>>>
>>> Looks like that the UUID type hasn't been added to IDL definition yet.
>>>
>>> https://github.com/apache/avro/blob/master/lang/java/compile
>>> r/src/main/javacc/org/apache/avro/compiler/idl/idl.jj#L214-L244
>>>
>>> Please create a JIRA to track this.
>>>
>>> *Yibing Shi*
>>> *Customer Operations Engineer*
>>> <http://www.cloudera.com>
>>>
>>> On Wed, Nov 23, 2016 at 4:58 AM, Tianxiang Xiong <
>>> tianxiang.xiong@fundingcircle.com> wrote:
>>>
>>>> The AVRO-1554 <https://issues.apache.org/jira/browse/AVRO-1554> ticket
>>>> seems to suggest that the issue of representing UUIDs is resolved with
>>>> logical
>>>> types <http://avro.apache.org/docs/1.8.1/spec.html#Logical+Types> in
>>>> Avro
>>>> 1.8.1.
>>>>
>>>> The specification offers several examples of using logical types;
>>>> decimals
>>>> are represented as:
>>>>
>>>> {
>>>>
>>>>   "type": "bytes",
>>>>   "logicalType": "decimal",
>>>>   "precision": 4,
>>>>   "scale": 2
>>>> }
>>>>
>>>> However, there does not seem to be an example of UUID. The most
>>>> popular answers <http://stackoverflow.com/a/19705149/864684> via
>>>> Google/StackOverflow are a few years old and do not make use of
>>>> logical types, and can therefore be misleading for newer versions of
>>>> Avro
>>>>
>>>> Is there an idiomatic way of representing UUIDs in Avro Schemas?
>>>>
>>>> Thanks,
>>>>
>>>> --
>>>>
>>>> *Tianxiang Xiong *| Clojure Engineer
>>>>
>>>> *tianxiang.xiong@fundingcircle.com <tianxiang.xiong@fundingcircle.com>*
>>>>
>>>> 747 Front Street, Floor 4 | San Francisco, CA 94111
>>>>
>>>
>>>
>>
>>
>> --
>>
>> *Tianxiang Xiong *| Clojure Engineer
>>
>> *tianxiang.xiong@fundingcircle.com <tianxiang.xiong@fundingcircle.com>*
>>
>> 747 Front Street, Floor 4 | San Francisco, CA 94111
>>
>
>


-- 

*Tianxiang Xiong *| Clojure Engineer

*tianxiang.xiong@fundingcircle.com <tianxiang.xiong@fundingcircle.com>*

747 Front Street, Floor 4 | San Francisco, CA 94111

Mime
View raw message