[jira] [Resolved] (AVRO-3683) Rust Writer, Reader can't use Schemas with dependencies in other Schemas. i.e. The output of Schema::parse_list

["Martin Tzvetanov Grigorov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AVRO-3683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Tzvetanov Grigorov resolved AVRO-3683.
---------------------------------------------
    Fix Version/s: 1.12.0
                   1.11.2
         Assignee: Martin Tzvetanov Grigorov
       Resolution: Fixed

> Rust  Writer, Reader can't use Schemas with dependencies in other Schemas.   i.e. The output of Schema::parse_list 
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: AVRO-3683
>                 URL: https://issues.apache.org/jira/browse/AVRO-3683
>             Project: Apache Avro
>          Issue Type: Bug
>          Components: rust
>    Affects Versions: 1.11.1
>            Reporter: Mark Farnan
>            Assignee: Martin Tzvetanov Grigorov
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.12.0, 1.11.2
>
>          Time Spent: 5h 20m
>  Remaining Estimate: 0h
>
> Avro permits Schema definitions to reference Types defined in other Schema files. 
> Currently these can be parsed with Schema:parse_list, but the output of this can't be used in Writer, Reader,  (or to_avro_datum,  from_avro_datum)
>  * These functions only take a single 'schema' and can't resolve the References
>  * Schema:parse_list puts in 'refs' for the external dependencies, but doesn't seem to populate the UnionSchema's, so they can be resolved.
>  
> +Example of dependant schemas:+
> letschema_TypeA=r#"
> {
> "type": "record",
> "namespace": "base.name.space",
> "name": "MultiSchemaTestTypeA",
> "fields":
> [
> { "name": "b", "type": ["null", "some.name.space.MultiSchemaTestTypeB"] }
> ,
> { "name": "c", "type": \\{ "type": "map", "values": "some.name.space.MultiSchemaTestTypeB" }
> , "default": {}
> }
> ]
> }
> "#;
> letschema_TypeB=r#"
> {
> "type": "record",
> "namespace": "some.name.space",
> "name": "MultiSchemaTestTypeB",
> "fields":
> [
> { "name": "d", "type": "string" }
> ,
> { "name": "e", "type": "int" }
> ]
> }
> "#;
>  
> PR Created with a failing test:  https://github.com/apache/avro/pull/1997



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