comphead commented on code in PR #7972:
URL: https://github.com/apache/arrow-datafusion/pull/7972#discussion_r1376545325
##########
datafusion/core/src/execution/context/parquet.rs:
##########
@@ -132,6 +137,49 @@ mod tests {
Ok(())
}
+ #[tokio::test]
+ async fn read_from_wrong_file_extentnion() -> Result<()> {
+ let ctx = SessionContext::new();
+
+ // Make up a new dataframe.
+ let write_df = ctx.read_batch(RecordBatch::try_new(
+ Arc::new(Schema::new(vec![
+ Field::new("purchase_id", DataType::Int32, false),
+ Field::new("price", DataType::Float32, false),
+ Field::new("quantity", DataType::Int32, false),
+ ])),
+ vec![
+ Arc::new(Int32Array::from(vec![1, 2, 3, 4, 5])),
+ Arc::new(Float32Array::from(vec![1.12, 3.40, 2.33, 9.10,
6.66])),
+ Arc::new(Int32Array::from(vec![1, 3, 2, 4, 3])),
+ ],
+ )?)?;
+
+ write_df
+ .write_parquet(
+ "output.parquet.snappy",
+ DataFrameWriteOptions::new().with_single_file_output(true),
+ Some(
+ WriterProperties::builder()
+ .set_compression(Compression::SNAPPY)
+ .build(),
+ ),
+ )
+ .await?;
+
+ let read_df = ctx
+ .read_parquet(
+ "output.parquet.snappy",
+ ParquetReadOptions {
+ ..Default::default()
+ },
+ )
+ .await;
+ assert!(read_df.is_err());
Review Comment:
Please test the error text message as well.
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