kvdb

use

from kvdb import KVDB


def main():
    db = KVDB()
    with db.connect() as conn:
        conn.execute("SET mykey myvalue")  # Set mykey
        conn.execute("GET mykey")  # Return "myvalue"
        conn.execute("COUNTS myvalue")  # Return 1
        conn.execute("UNSET mykey")  # Delete mykey
        conn.execute("GET mykey")  # Return None


if __name__ == '__main__':
    main()

commands

• SET key value
  Set key to hold the string value. If key already holds a value, it is overwritten.

• GET key
  Get the value of key. If the key does not exist the special value None is returned.

• UNSET key
  Deletes the specified key.

• COUNTS value
  Returns the number of values.

• BEGIN
  Start of transaction.

• ROLLBACK
  Transaction rollback.

• COMMIT
  Merges data from a transaction with the main storage.