pitrou commented on a change in pull request #7225:
URL: https://github.com/apache/arrow/pull/7225#discussion_r428583281
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File path: cpp/src/arrow/io/interfaces.h
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@@ -51,6 +51,8 @@ struct ReadRange {
// EXPERIMENTAL
struct ARROW_EXPORT AsyncContext {
::arrow::internal::Executor* executor;
+ // An application-specific ID, forwarded to executor task submissions
+ int64_t external_id = -1;
Review comment:
@lidavidm Is `int64_t` sufficient here?
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