Omega359 commented on code in PR #14684:
URL: https://github.com/apache/datafusion/pull/14684#discussion_r2282512942
##########
datafusion/core/src/dataframe/mod.rs:
##########
@@ -1972,41 +1972,85 @@ impl DataFrame {
.config_options()
.sql_parser
.enable_ident_normalization;
+
let old_column: Column = if ident_opts {
Column::from_qualified_name(old_name)
} else {
Column::from_qualified_name_ignore_case(old_name)
};
- let (qualifier_rename, field_rename) =
- match self.plan.schema().qualified_field_from_column(&old_column) {
- Ok(qualifier_and_field) => qualifier_and_field,
- // no-op if field not found
- Err(DataFusionError::SchemaError(
- SchemaError::FieldNotFound { .. },
- _,
- )) => return Ok(self),
- Err(err) => return Err(err),
- };
- let projection = self
- .plan
- .schema()
- .iter()
- .map(|(qualifier, field)| {
- if qualifier.eq(&qualifier_rename) && field.as_ref() ==
field_rename {
- (
- col(Column::from((qualifier, field)))
- .alias_qualified(qualifier.cloned(), new_name),
- false,
- )
- } else {
- (col(Column::from((qualifier, field))), false)
- }
- })
- .collect::<Vec<_>>();
- let project_plan = LogicalPlanBuilder::from(self.plan)
- .project_with_validation(projection)?
- .build()?;
+ let project_plan = if let LogicalPlan::Projection(Projection {
Review Comment:
oh wait, this was with_column_renamed, not with_column. never mind :(
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