rtpsw commented on code in PR #13880:
URL: https://github.com/apache/arrow/pull/13880#discussion_r954279448
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cpp/src/arrow/compute/exec/asof_join_node.cc:
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@@ -657,34 +986,85 @@ class AsofJoinNode : public ExecNode {
return std::make_shared<arrow::Schema>(fields);
}
+ static inline Result<col_index_t> FindColIndex(const Schema& schema,
+ const FieldRef& field_ref,
+ const util::string_view&
key_kind) {
+ auto match_res = field_ref.FindOne(schema);
+ if (!match_res.ok()) {
+ return Status::Invalid("Bad join key on table : ",
match_res.status().message());
+ }
+ auto match = match_res.ValueOrDie();
Review Comment:
The preceding `if`-block guarantees `match_res` has a value, so
`match_res.ValueOrDie()` will never raise an error.
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