jayzhan211 commented on code in PR #12259:
URL: https://github.com/apache/datafusion/pull/12259#discussion_r1739645059
##########
datafusion/functions-nested/src/planner.rs:
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@@ -148,6 +148,13 @@ impl ExprPlanner for FieldAccessPlanner {
// expr[idx] ==> array_element(expr, idx)
GetFieldAccess::ListIndex { key: index } => {
match expr {
+ // Special case for accessing map value with non-string
values
+ Expr::ScalarFunction(scalar_func) if is_map(&scalar_func)
=> {
+ Ok(PlannerResult::Planned(get_field_from_expr(
+ Expr::ScalarFunction(scalar_func),
+ *index,
Review Comment:
I think index is always literal, therefore we don't really need
`get_field_from_expr`
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