/*
 * db.h
 *
 * Copyright (c) 2017 Sebastian Gniazdowski
 * All rights reserved.
 *
 * Permission is hereby granted, without written agreement and without
 * license or royalty fees, to use, copy, modify, and distribute this
 * software and to distribute modified versions of this software for any
 * purpose, provided that the above copyright notice and the following
 * two paragraphs appear in all copies of this software.
 *
 * In no event shall Sebastian Gniazdowski or the Zsh Development Group be
 * liable to any party for direct, indirect, special, incidental, or
 * consequential damages arising out of the use of this software and its
 * documentation, even if Paul Falstad and the Zsh Development Group have
 * been advised of the possibility of such damage.
 *
 * Sebastian Gniazdowski and the Zsh Development Group specifically disclaim
 * any warranties, including, but not limited to, the implied warranties of
 * merchantability and fitness for a particular purpose.  The software provided
 * hereunder is on an "as is" basis, and Paul Falstad and the Zsh Development
 * Group have no obligation to provide maintenance, support, updates,
 * enhancements, or modifications.
 */

/* Backend commands */
#define DB_TIE 1
#define DB_UNTIE 2
#define DB_IS_TIED 3
#define DB_GET_ADDRESS 4
#define DB_CLEAR_CACHE 5

/* Data types, created according to redis */
#define DB_KEY_TYPE_NONE 0  /* unknown type because non-existent key */
#define DB_KEY_TYPE_UNKNOWN 1
#define DB_KEY_TYPE_NO_KEY 2
#define DB_KEY_TYPE_STRING 3
#define DB_KEY_TYPE_LIST 4
#define DB_KEY_TYPE_SET 5
#define DB_KEY_TYPE_ZSET 6
#define DB_KEY_TYPE_HASH 7