andygrove commented on issue #1952:
URL:
https://github.com/apache/arrow-datafusion/issues/1952#issuecomment-1297861561
Tested this just now with updated code:
```rust
#[tokio::test]
async fn test() -> Result<()> {
let ctx = SessionContext::new();
ctx.register_parquet("example", "/home/andy/Downloads/blogs.parquet",
ParquetReadOptions::default()).await?;
let df = ctx.sql("SELECT reply FROM example GROUP BY reply LIMIT
100").await?;
let record_batches = df.collect().await?;
println!("sdasd {:?}", record_batches);
Ok(())
}
```
fails with:
```
Error: ArrowError(ExternalError(Execution("Arrow error: External error:
Internal error: Unsupported data type in hasher: Struct([Field { name:
\"reply_id\", data_type: Int32, nullable: false, dict_id: 0, dict_is_ordered:
false, metadata: None }, Field { name: \"next_id\", data_type: Int32, nullable:
true, dict_id: 0, dict_is_ordered: false, metadata: None }]). This was likely
caused by a bug in DataFusion's code and we would welcome that you file an bug
report in our issue tracker")))
```
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