metesynnada commented on PR #7155:
URL:
https://github.com/apache/arrow-datafusion/pull/7155#issuecomment-1661903930
In the JoinType::Inner match arm, we also preserve the left ordering.
```rust
JoinType::Inner => {
// We modify the indices of the right order columns because their
// columns are appended to the right side of the left schema.
let mut adjusted_right_order =
adjust_right_order(right_order, left_len)?;
if let Some(left_order) = maybe_left_order {
adjusted_right_order.extend_from_slice(left_order);
}
Some(adjusted_right_order)
}
```
Since the function is changed into `calculate_join_output_ordering` into
`calculate_join_output_order` in a previous PR, this function is not currently
in main. However, the new function is also adding left order in case of the
inner join.
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