add support for DeleteAllKeys update operation about leveldb HOT 3 CLOSED

Comment #1 originally posted by sawloo on 2012-09-04T22:21:48.000Z:

something like Delete(start, limit) or Delete(range) will be great for me

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Comment #2 originally posted by [email protected] on 2012-09-18T16:43:09.000Z:

I think we will not add this operation to leveldb since a helper routine
that accomplishes the same thing with equivalent performance can be
built outside leveldb.

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@cmumford You mean deleting by iteration on a range is equivalent to Delete(range)?
Or there is something other way to accomplish it?
I think Delete(range) can be more efficient as it can perform compaction at same time.

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