Siying Dong e67b35c076 Add Iterator::Refresh() ... Summary: Add and implement Iterator::Refresh(). When this function is called, if the super version doesn't change, update the sequence number of the iterator to the latest one and invalidate the iterator. If the super version changed, recreated the whole iterator. This can help users reuse the iterator more easily. Closes https://github.com/facebook/rocksdb/pull/2621 Differential Revision: D5464500 Pulled By: siying fbshipit-source-id: f548bd35e85c1efca2ea69273802f6704eba6ba9		2017-07-24 10:54:37 -07:00
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rocksdb	Add Iterator::Refresh()	2017-07-24 10:54:37 -07:00