alamb commented on code in PR #9933:
URL: https://github.com/apache/arrow-datafusion/pull/9933#discussion_r1552239591
##########
datafusion/expr/src/logical_plan/builder.rs:
##########
@@ -1152,36 +1152,35 @@ pub fn build_join_schema(
join_type: &JoinType,
) -> Result<DFSchema> {
fn nullify_fields<'a>(
- fields: impl Iterator<Item = (Option<&'a OwnedTableReference>, &'a
Arc<Field>)>,
- ) -> Vec<(Option<OwnedTableReference>, Arc<Field>)> {
+ fields: impl Iterator<Item = (Option<&'a TableReference>, &'a
Arc<Field>)>,
+ ) -> Vec<(Option<TableReference>, Arc<Field>)> {
fields
.map(|(q, f)| {
// TODO: find a good way to do that
let field = f.as_ref().clone().with_nullable(true);
- (q.map(|r| r.to_owned_reference()), Arc::new(field))
+ (q.cloned(), Arc::new(field))
})
.collect()
}
let right_fields = right.iter();
let left_fields = left.iter();
- let qualified_fields: Vec<(Option<OwnedTableReference>, Arc<Field>)> =
match join_type
- {
+ let qualified_fields: Vec<(Option<TableReference>, Arc<Field>)> = match
join_type {
JoinType::Inner => {
// left then right
let left_fields = left_fields
- .map(|(q, f)| (q.map(|r| r.to_owned_reference()), f.clone()))
+ .map(|(q, f)| (q.cloned(), f.clone()))
.collect::<Vec<_>>();
let right_fields = right_fields
- .map(|(q, f)| (q.map(|r| r.to_owned_reference()), f.clone()))
+ .map(|(q, f)| (q.cloned(), f.clone()))
.collect::<Vec<_>>();
left_fields.into_iter().chain(right_fields).collect()
}
JoinType::Left => {
// left then right, right set to nullable in case of not matched
scenario
let left_fields = left_fields
- .map(|(q, f)| (q.map(|r| r.to_owned_reference()), f.clone()))
+ .map(|(q, f)| (q.cloned(), f.clone()))
Review Comment:
👍
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