package ledis import () func hsetCommand(c *client) error { args := c.args if len(args) != 3 { return ErrCmdParams } if n, err := c.db.HSet(args[0], args[1], args[2]); err != nil { return err } else { c.writeInteger(n) } return nil } func hgetCommand(c *client) error { args := c.args if len(args) != 2 { return ErrCmdParams } if v, err := c.db.HGet(args[0], args[1]); err != nil { return err } else { c.writeBulk(v) } return nil } func hexistsCommand(c *client) error { args := c.args if len(args) != 2 { return ErrCmdParams } var n int64 = 1 if v, err := c.db.HGet(args[0], args[1]); err != nil { return err } else { if v == nil { n = 0 } c.writeInteger(n) } return nil } func hdelCommand(c *client) error { args := c.args if len(args) < 2 { return ErrCmdParams } if n, err := c.db.HDel(args[0], args[1:]); err != nil { return err } else { c.writeInteger(n) } return nil } func hlenCommand(c *client) error { args := c.args if len(args) != 1 { return ErrCmdParams } if n, err := c.db.HLen(args[0]); err != nil { return err } else { c.writeInteger(n) } return nil } func hincrbyCommand(c *client) error { args := c.args if len(args) != 3 { return ErrCmdParams } delta, err := StrInt64(args[2], nil) if err != nil { return err } var n int64 if n, err = c.db.HIncrBy(args[0], args[1], delta); err != nil { return err } else { c.writeInteger(n) } return nil } func hmsetCommand(c *client) error { args := c.args if len(args) < 3 { return ErrCmdParams } if len(args[1:])%2 != 0 { return ErrCmdParams } key := args[0] args = args[1:] kvs := make([]FVPair, len(args)/2) for i := 0; i < len(kvs); i++ { kvs[i].Field = args[2*i] kvs[i].Value = args[2*i+1] } if err := c.db.HMset(key, kvs...); err != nil { return err } else { c.writeStatus(OK) } return nil } func hmgetCommand(c *client) error { args := c.args if len(args) < 2 { return ErrCmdParams } if v, err := c.db.HMget(args[0], args[1:]); err != nil { return err } else { c.writeArray(v) } return nil } func hgetallCommand(c *client) error { args := c.args if len(args) != 1 { return ErrCmdParams } if v, err := c.db.HGetAll(args[0]); err != nil { return err } else { c.writeArray(v) } return nil } func hkeysCommand(c *client) error { args := c.args if len(args) != 1 { return ErrCmdParams } if v, err := c.db.HKeys(args[0]); err != nil { return err } else { c.writeArray(v) } return nil } func hvalsCommand(c *client) error { args := c.args if len(args) != 1 { return ErrCmdParams } if v, err := c.db.HValues(args[0]); err != nil { return err } else { c.writeArray(v) } return nil } func hclearCommand(c *client) error { args := c.args if len(args) != 1 { return ErrCmdParams } if n, err := c.db.HClear(args[0]); err != nil { return err } else { c.writeInteger(n) } return nil } func init() { register("hdel", hdelCommand) register("hexists", hexistsCommand) register("hget", hgetCommand) register("hgetall", hgetallCommand) register("hincrby", hincrbyCommand) register("hkeys", hkeysCommand) register("hlen", hlenCommand) register("hmget", hmgetCommand) register("hmset", hmsetCommand) register("hset", hsetCommand) register("hvals", hvalsCommand) //ledisdb special command register("hclear", hclearCommand) }