[jira] [Updated] (AVRO-1848) Can't use null or false defaults in Ruby

["Brian McKelvey (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AVRO-1848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brian McKelvey updated AVRO-1848:
---------------------------------
    Fix Version/s: 1.8.2

> Can't use null or false defaults in Ruby
> ----------------------------------------
>
>                 Key: AVRO-1848
>                 URL: https://issues.apache.org/jira/browse/AVRO-1848
>             Project: Avro
>          Issue Type: Bug
>          Components: ruby
>    Affects Versions: 1.8.0
>         Environment: Any
>            Reporter: Brian McKelvey
>            Priority: Critical
>              Labels: easyfix
>             Fix For: 1.8.2
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> When calling {{to_avro}} on an {{Avro::Schema::Field}} instance (part of calling {{to_avro}} on an instance of {{Avro::Schema::RecordSchema}}), it will not include the default value definition if the default value is falsey.
> The offending code is:
> {code:ruby}
>       def to_avro(names=Set.new)
>         {'name' => name, 'type' => type.to_avro(names)}.tap do |avro|
>           avro['default'] = default if default
>           avro['order'] = order if order
>         end
>       end
> {code}
> Using the {{if default}} conditional predicate here is inappropriate, as is relying on {{nil}} values to represent no default, because {{null}} in JSON maps to {{nil}} in Ruby.
> This is a critical show-stopper to using AvroTurf with the Confluent Schema Registry because it is quietly uploading incorrect schemas, causing downstream readers to behave incorrectly and also causing the schema registry to reject new schema versions as incompatible when they are actually just fine if the falsey default values are included when submitting the schema to the registry.



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