tustvold commented on code in PR #4918:
URL: https://github.com/apache/arrow-rs/pull/4918#discussion_r1354662376
##########
object_store/src/aws/copy.rs:
##########
@@ -39,12 +39,64 @@ pub enum S3CopyIfNotExists {
///
/// [`ObjectStore::copy_if_not_exists`]:
crate::ObjectStore::copy_if_not_exists
Header(String, String),
+ /// The name of a DynamoDB table to use for coordination
+ ///
+ /// Encoded as `dynamodb:<TABLE_NAME>` ignoring whitespace
+ ///
+ /// This will use the same region, credentials and endpoint as configured
for S3
+ ///
+ /// ## Limitations
+ ///
+ /// Only conditional operations, e.g. `copy_if_not_exists` will be
synchronized, and can
Review Comment:
This language talks about conditional operations in general, as I intend to
add a `put_if_not_exists` / `create` API call as part of #4879
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