fix: rm mode from struct

Signed-off-by: Cheyu Wu <[email protected]>

Author: CheyuWu

client.go

@@ -16,7 +16,6 @@ type singleClient struct {
 	cmd          Builder
 	retry        bool
 	DisableCache bool
-	mode         ClientMode
 }
 
 func newSingleClient(opt *ClientOption, prev conn, connFn connFn, retryer retryHandler) (*singleClient, error) {
@@ -37,7 +36,7 @@ func newSingleClient(opt *ClientOption, prev conn, connFn connFn, retryer retryH
 }
 
 func newSingleClientWithConn(conn conn, builder Builder, retry, disableCache bool, retryer retryHandler) *singleClient {
-	return &singleClient{cmd: builder, conn: conn, retry: retry, retryHandler: retryer, DisableCache: disableCache, mode: ClientModeStandalone}
+	return &singleClient{cmd: builder, conn: conn, retry: retry, retryHandler: retryer, DisableCache: disableCache}
 }
 
 func (c *singleClient) B() Builder {
@@ -191,7 +190,7 @@ func (c *singleClient) Nodes() map[string]Client {
 }
 
 func (c *singleClient) Mode() ClientMode {
-	return c.mode
+	return ClientModeStandalone
 }
 
 func (c *singleClient) Close() {

cluster.go

@@ -35,7 +35,6 @@ type clusterClient struct {
 	stop         uint32
 	cmd          Builder
 	retry        bool
-	mode         ClientMode
 }
 
 // NOTE: connrole and conn must be initialized at the same time
@@ -58,7 +57,6 @@ func newClusterClient(opt *ClientOption, connFn connFn, retryer retryHandler) (*
 		retry:        !opt.DisableRetry,
 		retryHandler: retryer,
 		stopCh:       make(chan struct{}),
-		mode:         ClientModeCluster,
 	}
 
 	if opt.ReplicaOnly && opt.SendToReplicas != nil {
@@ -1206,7 +1204,7 @@ func (c *clusterClient) Nodes() map[string]Client {
 }
 
 func (c *clusterClient) Mode() ClientMode {
-	return c.mode
+	return ClientModeCluster
 }
 
 func (c *clusterClient) Close() {

sentinel.go

@@ -26,7 +26,6 @@ func newSentinelClient(opt *ClientOption, connFn connFn, retryer retryHandler) (
 		retry:        !opt.DisableRetry,
 		retryHandler: retryer,
 		replica:      opt.ReplicaOnly,
-		mode:         ClientModeSentinel,
 	}
 
 	for _, sentinel := range opt.InitAddress {
@@ -57,7 +56,6 @@ type sentinelClient struct {
 	cmd          Builder
 	retry        bool
 	replica      bool
-	mode         ClientMode
 }
 
 func (c *sentinelClient) B() Builder {
@@ -221,7 +219,7 @@ func (c *sentinelClient) Nodes() map[string]Client {
 }
 
 func (c *sentinelClient) Mode() ClientMode {
-	return c.mode
+	return ClientModeSentinel
 }
 
 func (c *sentinelClient) Close() {