storr_bdb: Berkeley DB storr driver
In richfitz/storr.bdb: Berkeley DB 'storr' Support

Description Usage Arguments Design considerations Examples

Berkeley DB storr driver.

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storr_bdb(path, type = "BTREE", default_namespace = "objects")

driver_bdb(path, type = "BTREE")

`path`	Path for the database. If `NULL` a transient in-memory database will be created.
`type`	Storage type for all the data. Sensible options are `BTREE` and `HASH`.
`default_namespace`	Default namespace (see `storr`).

Because there is no easy way of iterating over all keys (without retrieving all data), the data is stored in two different databases within the file; one called data the other called keys. This should make list_keys a bit faster, but list_data will always be very slow and memory intensive.