Added tag 0.2.0 for changeset 4136cc0bf64d
doc: add information on the schema initialisation

... and an advice for usage as a cheap key-value store.
api: add a delete method
Added tag 0.1.0 for changeset ffa6ae709057
full namespace support
do not forget to update idate on update
fix grotty mistake in set
057f8f5a1d27 — Arnaud Campeas 3 years ago
exhibit bug
make the schema/namespace configurable
key: use an indexable field
switch to sqlalchemy.engine since pgengine is still immature
api: have a convenient `getorset` method
cli: provide an `init-db` command

This will install (and if asked reset) the cache namespace and tables.
a minimal db cache for byte strings

Uses postgres byte arrays for keys and values storage.
Entries have a lifetime.

Mutual exclusion access is handled with a transaction advisory lock.