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From "Michael Gray (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AVRO-2000) C-library defaults for resolved-writers and readers
Date Thu, 09 Feb 2017 02:24:41 GMT
Michael Gray created AVRO-2000:
----------------------------------

             Summary: C-library defaults for resolved-writers and readers
                 Key: AVRO-2000
                 URL: https://issues.apache.org/jira/browse/AVRO-2000
             Project: Avro
          Issue Type: Bug
          Components: c
    Affects Versions: 1.8.1
         Environment: Ubuntu 14, Centos7 and OSX
            Reporter: Michael Gray


We are in need of having 'default' values work for the avro/lang/c library, particularly on
the resolved-writer side.  We use avro for message serialization on an internal pub/sub system,
but we've seen that the default values in schemas are ignored when a producer doesn't write
this field.   AVRO-1270 is on the reader side and has been open for a few years.  Avro-1797
also references that default values don't work at ALL in C.
 
In the 'resolved-writer.c' source code - latest code on master branch - there are notes for
the following:
'TODO: Handle default values!'
 
What's the process to get C default values supported.  Is this something you would be willing
to do, or is this something we should try and fix ourselves?
 
Reference from AVRO-1797
 
 
Douglas Creager added a comment - 11/Feb/16 15:03
On the C side we don't support default values at all yet; AVRO-1270 is the tracking bug for
adding support for that. 

Thanks!



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