Files
redka/internal/command/key/rename.go
2024-04-30 02:01:19 +05:00

33 lines
702 B
Go

package key
import "github.com/nalgeon/redka/internal/redis"
// Renames a key and overwrites the destination.
// RENAME key newkey
// https://redis.io/commands/rename
type Rename struct {
redis.BaseCmd
Key string
NewKey string
}
func ParseRename(b redis.BaseCmd) (*Rename, error) {
cmd := &Rename{BaseCmd: b}
if len(cmd.Args()) != 2 {
return cmd, redis.ErrInvalidArgNum
}
cmd.Key = string(cmd.Args()[0])
cmd.NewKey = string(cmd.Args()[1])
return cmd, nil
}
func (cmd *Rename) Run(w redis.Writer, red redis.Redka) (any, error) {
err := red.Key().Rename(cmd.Key, cmd.NewKey)
if err != nil {
w.WriteError(cmd.Error(err))
return nil, err
}
w.WriteString("OK")
return true, nil
}