Implemented new file naming scheme for LSM indexes based on timestamp intervals. Relying on the file names alone, an LSM index can always determine whether an LSM component is valid or not. Still TODO: Implement flushing/merging into a temp file, followed by an atomic rename upon success.

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1143 123451ca-8445-de46-9d55-352943316053
12 files changed