Fix race condition between export partition creation and data file partition completion for ddb source#6651
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…rtition completion for ddb source Signed-off-by: Taylor Gray <tylgry@amazon.com>
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Description
There was a potential race condition where the data file partitions could be completed before the export partition is created, and they would not be counted in the total completion of files for the export.
This is because the data file partitions were being created before the export partition, but the export partition should be created first.
Issues Resolved
Resolves #[Issue number to be closed when this PR is merged]
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