jorgecarleitao commented on a change in pull request #8172:
URL: https://github.com/apache/arrow/pull/8172#discussion_r487312031
##########
File path: rust/datafusion/src/execution/context.rs
##########
@@ -1147,6 +1165,41 @@ mod tests {
Ok(())
}
+ #[test]
+ fn simple_avg() -> Result<()> {
+ let schema = Schema::new(vec![Field::new("a", DataType::Int32,
false)]);
+
+ let batch1 = RecordBatch::try_new(
+ Arc::new(schema.clone()),
+ vec![Arc::new(Int32Array::from(vec![1, 2, 3]))],
+ )?;
+ let batch2 = RecordBatch::try_new(
+ Arc::new(schema.clone()),
+ vec![Arc::new(Int32Array::from(vec![4, 5]))],
+ )?;
+
+ let mut ctx = ExecutionContext::new();
+
+ let provider = MemTable::new(Arc::new(schema), vec![vec![batch1],
vec![batch2]])?;
+ ctx.register_table("t", Box::new(provider));
+
+ let result = collect(&mut ctx, "SELECT AVG(a) FROM t")?;
+
+ let batch = &result[0];
+ assert_eq!(1, batch.num_columns());
+ assert_eq!(1, batch.num_rows());
+
+ let values = batch
+ .column(0)
+ .as_any()
+ .downcast_ref::<Float64Array>()
+ .expect("failed to cast version");
+ assert_eq!(values.len(), 1);
+ // avg(1,2,3,4,5) = 3.0
+ assert_eq!(values.value(0), 3.0_f64);
Review comment:
This test fails in master, with 3.25 != 3.0
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
