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From Bryan Duxbury <br...@rapleaf.com>
Subject Re: [PROPOSAL] new subproject: Avro
Date Fri, 03 Apr 2009 19:59:15 GMT
> Field ids are not present in Avro data except in the schema.  A  
> record's fields are serialized in the order that the fields occur  
> in the records schema, with no per-field annotations whatsoever.   
> For example, a record that contains a string and an int is  
> serialized simply as a string followed by an int, nothing before,  
> nothing between and nothing after. So, yes, it is a different data  
> format.

So you can't serialize nulls? It also seems like this would make  
forward/backward compatibility a little more complex. Thrift solves  
this problem by using tags to indicate what kind of field you're  
working with.

-Bryan

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