Theodlz commented on issue #435:
URL: https://github.com/apache/avro-rs/issues/435#issuecomment-3795677477
Ok, so here is the original bug mentioned in this issue, reproduced:
```rust
use apache_avro::{AvroSchema, Writer};
use serde::{Deserialize, Serialize};
#[derive(Deserialize, Serialize, AvroSchema)]
pub enum Color { G, R, I }
#[derive(Deserialize, Serialize, AvroSchema)]
pub struct A {
pub time: f64,
pub color: Color,
}
#[derive(Deserialize, Serialize, AvroSchema)]
pub struct B {
pub time: f64,
pub color: Option<Color>,
}
#[derive(Deserialize, Serialize, AvroSchema)]
pub struct C {
#[serde(flatten)]
pub a: A,
}
#[derive(Deserialize, Serialize, AvroSchema)]
pub struct TestStruct {
pub b: B,
pub vec_c: Vec<C>,
}
fn main() {
let test = TestStruct {
b: B { time: 42.0, color: Some(Color::R) },
vec_c: vec![],
};
let schema = TestStruct::get_schema();
let mut writer = Writer::with_codec(
&schema,
Vec::new(),
apache_avro::Codec::Snappy,
)
.unwrap();
writer.append_ser(test).unwrap();
}
```
So here, the problem is that this `Color` type is occurring twice in the
generated schema, which yields: `Error { details: Two named schema defined for
same fullname: Color. }`.
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