Summary:
Before we assumed that if the rows_affected length doesn't match the number of
entries we were trying to insert we have a conflict. Let's verify if we really
have conflict or we're trying to insert the same entry twice.
Reviewed By: krallin
Differential Revision: D20343219
fbshipit-source-id: 19e032439fdd65f5fe1afe1a10b401bc2fe33462
Summary: Running blobimport twice on the same commit seems to cause problems.
Reviewed By: krallin
Differential Revision: D20343218
fbshipit-source-id: 4d572630e7c15c219bee8db15cc879b2cb8602fe