heyongqiang 22ee777f68 add flush interface to DB ... Summary: as subject. The flush will flush everything in the db. Test Plan: new test in db_test.cc Reviewers: dhruba Reviewed By: dhruba Differential Revision: https://reviews.facebook.net/D4029		2012-07-06 12:11:19 -07:00
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leveldb	add flush interface to DB	2012-07-06 12:11:19 -07:00