korowa commented on a change in pull request #1781:
URL: https://github.com/apache/arrow-datafusion/pull/1781#discussion_r802018803
##########
File path: datafusion/src/optimizer/filter_push_down.rs
##########
@@ -346,14 +346,18 @@ fn optimize(plan: &LogicalPlan, mut state: State) ->
Result<LogicalPlan> {
.fields()
.iter()
.enumerate()
- .map(|(i, field)| {
+ .flat_map(|(i, field)| {
// strip alias, as they should not be part of filters
let expr = match &expr[i] {
Expr::Alias(expr, _) => expr.as_ref().clone(),
expr => expr.clone(),
};
- (field.qualified_name(), expr)
+ // considering both qualified and unqualified names as
rewriting option
+ [
+ (field.name().clone(), expr.clone()),
+ (field.qualified_name(), expr),
+ ]
Review comment:
Done, waiting for CI
Thank you!
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