I'm working with the c++ bindings to try to write data to avro files.
Much of the documentation assumes that the types to be written (and the code to write the data) are generated using avrogencpp.
In my case I have an existing set of type/struct hierarchies that I'm trying to write so I don't want to use the output of avrogencpp directly. Instead I am producing code that is very similar to what avrogencpp outputs but is adapted to suit my types.
What I'm finding is that the c++ DataFileWriter does no validation between the schema that I provide and the datums that get written. As such any discrepancy between the schema and the datums that are written causes the file to be corrupted and essentially unreadable.
I see that there is a ValidatingEncoder class that can be used when serialising to a memorystream (as per the Getting Started docs) but there doesn't appear to be any method for using this encoder with the DataFileWriter.
Am I missing something? Is there a preferred way to make the writer do validation?
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SCHENK, Jarrad 2013-05-27, 06:47