func IsMultiCmd(cmd *resp.Command) (multiKey bool, numKeys int) {
multiKey = true
switch cmd.Name() {
case "MGET":
numKeys = len(cmd.Args) - 1
case "MSET":
numKeys = (len(cmd.Args) - 1) / 2
case "DEL":
numKeys = len(cmd.Args) - 1
default:
multiKey = false
}
return
}
func NewMultiKeyCmd(cmd *resp.Command, numSubCmds int) *MultiKeyCmd {
mc := &MultiKeyCmd{
cmd: cmd,
numSubCmds: numSubCmds,
numPendingSubCmds: numSubCmds,
}
switch cmd.Name() {
case "MGET":
mc.cmdType = MGET
case "MSET":
mc.cmdType = MSET
case "DEL":
mc.cmdType = DEL
default:
panic("not multi key command")
}
mc.subCmdRsps = make([]*PipelineResponse, numSubCmds)
return mc
}
func CmdFlag(cmd *resp.Command) int {
return cmdFlagMap[cmd.Name()]
}