jayzhan211 commented on code in PR #11452:
URL: https://github.com/apache/datafusion/pull/11452#discussion_r1676984126
##########
datafusion/functions-array/src/planner.rs:
##########
@@ -97,6 +98,27 @@ impl ExprPlanner for ArrayFunctionPlanner {
) -> Result<PlannerResult<Vec<Expr>>> {
Ok(PlannerResult::Planned(make_array(exprs)))
}
+
+ fn plan_make_map(&self, args: Vec<Expr>) ->
Result<PlannerResult<Vec<Expr>>> {
+ if args.len() % 2 != 0 {
+ return exec_err!("make_map requires an even number of arguments");
+ }
+
+ let (keys, values): (Vec<_>, Vec<_>) = args
Review Comment:
It is possible to avoid clone
```suggestion
let (keys, values): (Vec<_>, Vec<_>) =
args.into_iter().enumerate().partition(|(i, _)| i % 2 == 0);
let keys = make_array(keys.into_iter().map(|(_, expr)|
expr).collect());
let values = make_array(values.into_iter().map(|(_, expr)|
expr).collect());
```
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