lidavidm commented on a change in pull request #11466:
URL: https://github.com/apache/arrow/pull/11466#discussion_r741301925
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File path: cpp/src/arrow/compute/exec/expression.cc
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@@ -394,14 +394,13 @@ Result<Expression> BindImpl(Expression expr, const
TypeOrSchema& in,
if (expr.literal()) return expr;
if (auto ref = expr.field_ref()) {
- if (ref->IsNested()) {
- return Status::NotImplemented("nested field references");
- }
-
ARROW_ASSIGN_OR_RAISE(auto path, ref->FindOne(in));
auto bound = *expr.parameter();
- bound.index = path[0];
+ bound.indices.resize(path.indices().size());
+ for (size_t i = 0; i < path.indices().size(); ++i) {
+ bound.indices[i] = path.indices()[i];
+ }
Review comment:
Ah never mind that, I was being dumb about iterator vs container.
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