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https://issues.apache.org/jira/browse/AVRO-778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Douglas Creager updated AVRO-778:
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Attachment: 0019-Resolver-class-for-schema-specific-writer-unions.patch
0018-Resolver-class-for-schema-specific-reader-unions.patch
0017-Schema-specific-schemas.patch
0016-Schema-specific-resolvers-for-non-union-types.patch
0015-Equality-functions-for-schema-specific-types.patch
0014-Raw-resolver-classes.patch
0013-Raw-value-comparison-operations.patch
0012-Error-message-API-is-now-public.patch
Adding latest patches from github branch.
Current status:
This is basically done, though I need to put together some better documentation
about which types and functions are generated for each schema. There is now a
schema-specific resolver implementation for each compound schema in the AVSC
file. The resolvers correctly handle reader unions and writer unions.
Remaining features left to implement: primitive value promotion (int->long
etc.), and a function for _outputting_ an Avro binary encoding.
> C: avrocc schema-specific compiler
> ----------------------------------
>
> Key: AVRO-778
> URL: https://issues.apache.org/jira/browse/AVRO-778
> Project: Avro
> Issue Type: New Feature
> Components: c
> Reporter: Douglas Creager
> Assignee: Douglas Creager
> Attachments: 0001-Resizable-array-class.patch,
> 0002-Resizable-map-class.patch, 0003-Resizable-string-buffer-class.patch,
> 0004-Custom-allocation-API-is-now-public.patch,
> 0005-Schema-specific-structs.patch,
> 0006-Schema-specific-union-functions.patch,
> 0007-Clearing-arrays-and-maps.patch,
> 0008-Growing-maps-and-arrays-without-adding-elements.patch,
> 0009-Child-consumers-in-base-consumer-class.patch,
> 0010-Public-memoization-API.patch,
> 0011-Schema-specific-array-and-map-accessors.patch,
> 0012-Error-message-API-is-now-public.patch,
> 0013-Raw-value-comparison-operations.patch, 0014-Raw-resolver-classes.patch,
> 0015-Equality-functions-for-schema-specific-types.patch,
> 0016-Schema-specific-resolvers-for-non-union-types.patch,
> 0017-Schema-specific-schemas.patch,
> 0018-Resolver-class-for-schema-specific-reader-unions.patch,
> 0019-Resolver-class-for-schema-specific-writer-unions.patch
>
>
> I've started work on a pure-C compiler for generating C types that are
> specific to an Avro schema. This resurrects the avro_schema_specific
> function that's been lying around in the header file for awhile. I'm only
> focusing on the data serialization parts of the spec; at least for now, I'm
> not including any of the RPC stuff.
> One of my main goals with this is for the compiler to be in pure C; I don't
> want to have to install the Java language bindings in order to run the schema
> compiler. This means that I can't use the Velocity engine to produce the
> output .c and .h files. Instead of trying to find a good C templating
> engine, I'm just using the trusty C preprocessor. It's not the prettiest
> thing in the world, but it's perfectly capable.
> This issue will track my progress on this; I'll upload patches here, as well
> as maintain a branch at
> [github|https://github.com/dcreager/avro/tree/specific].
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