get consistent post hooks for leveldb.
var level =var db =db
Create a hook to listen for database events matching the constraints in
cb(op) fires for each matching operation for
op, an object with
You can use these keys as constraints, just like level core:
opts.min- greater than or equal to
opts.gt- greater than
opts.max- less than or equal to
opts.lt- less than
You can also specify a keyEncoding with
opts.keyEncoding. If there was a
keyEncoding set up by leveldb in the constructor (at
that one will be used.