jayzhan211 commented on code in PR #11452:
URL: https://github.com/apache/datafusion/pull/11452#discussion_r1677342379
##########
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
+ .chunks_exact(2)
+ .map(|chunk| (chunk[0].clone(), chunk[1].clone()))
+ .unzip();
+
+ let keys = make_array(keys);
+ let values = make_array(values);
Review Comment:
I guess we can reuse `make_array_inner` if we move `make_array` to
`functions` crate.
The alternative is to keep the code here in `functions-array`
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