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From "Zoltan Farkas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AVRO-1582) Json serialization of nullable fileds and fields with default values improvement.
Date Mon, 10 Aug 2015 17:58:46 GMT

     [ https://issues.apache.org/jira/browse/AVRO-1582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zoltan Farkas updated AVRO-1582:
--------------------------------
    Description: 
Currently serializing a nullable field of type union like:
"type" : ["null","some type"]

when serialized as JSON results in:  

"field":{"some type":"value"}

when it could be:

"field":"value"

Also fields that equal the the default value can be omitted from the serialized data. This
is possible because the reader will have the writer's schema and can infer the field values.
This reduces the size of the json messages.





  was:
Currently serializing a nullable field of type union like:
"type" : ["null","some type"]

when serialized as JSON results in:  

"field":{"some type":"value"}

when it could be:

"field":"value"





> Json serialization of nullable fileds and fields with default values improvement.
> ---------------------------------------------------------------------------------
>
>                 Key: AVRO-1582
>                 URL: https://issues.apache.org/jira/browse/AVRO-1582
>             Project: Avro
>          Issue Type: Improvement
>          Components: java
>    Affects Versions: 1.8.0
>            Reporter: Zoltan Farkas
>            Priority: Minor
>         Attachments: AVRO-1582-PATCH
>
>
> Currently serializing a nullable field of type union like:
> "type" : ["null","some type"]
> when serialized as JSON results in:  
> "field":{"some type":"value"}
> when it could be:
> "field":"value"
> Also fields that equal the the default value can be omitted from the serialized data.
This is possible because the reader will have the writer's schema and can infer the field
values. This reduces the size of the json messages.



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