Simon Gittins created AVRO-3901:
-----------------------------------
Summary: [Rust] Better serde union support
Key: AVRO-3901
URL: https://issues.apache.org/jira/browse/AVRO-3901
Project: Apache Avro
Issue Type: Improvement
Components: rust
Affects Versions: 1.11.3
Reporter: Simon Gittins
Want to be able to serde to/from an enum containing structs for a union schema
containing record(s):
{{{}}
{{ "name": "C",}}
{{ "type": "record",}}
{{ "fields": [}}
{{...}}
{{ \{"name": "field_union", "type": ["A", "B"]},}}
{{...}}
{{ ]}}
{{}}}
With code like:
{{struct A \{...}}}
{{struct B \{...}}}
{{#[serde(untagged)]}}
{{{}enum UnionAB \{ A(A), B(B)}{}}}{{{}struct C {{}}}
{{ ...}}
{{ field_union: UnionAB,}}
{{ ...}}
{{}}}
{{Likewise, want to be able to serde where the schema includes null:}}
{{{}}
{{ "name": "E",}}
{{ "type": "record",}}
{{ "fields": [}}
{{ ...}}
{{ \{"name": "field_union", "type": ["A", "null", "B"]},}}
{{ ...}}
{{ ]}}
{{}}}
{{#[serde(untagged)]}}
{{enum UnionANoneB {}}
{{ A(A),}}
{{ None,}}
{{ B(B),}}
{{}}}
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