comphead commented on issue #6845:
URL:
https://github.com/apache/arrow-datafusion/issues/6845#issuecomment-1633227931
@Jefffrey ouch, you are right. I'm adding valid test case
```
#[tokio::test]
async fn with_column_renamed_case_sensitive() -> Result<()> {
let df = test_table()
.await?
.filter(col("c2").eq(lit(3)).and(col("c1").eq(lit("a"))))?
.limit(0, Some(1))?
.sort(vec![
// make the test deterministic
col("c1").sort(true, true),
col("c2").sort(true, true),
col("c3").sort(true, true),
])?
.select_columns(&["c1"])?;
let df_renamed = df
.clone()
.with_column_renamed("c1", "CoLuMn1")?;
let res = &df_renamed.clone().collect().await?;
assert_batches_sorted_eq!(
vec![
"+---------+",
"| CoLuMn1 |",
"+---------+",
"| a |",
"+---------+",
],
res
);
let df_renamed = df_renamed
.with_column_renamed("CoLuMn1", "c1")?
.collect()
.await?;
assert_batches_sorted_eq!(
vec![
"+----+",
"| c1 |",
"+----+",
"| a |",
"+----+",
],
&df_renamed
);
Ok(())
}
```
So as I confused everyone I will try to fix the issue then :)
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