chore: for compatibility

source/dnode/mnode/impl/src/mndDnode.c

@@ -139,7 +139,9 @@ static SSdbRaw *mndDnodeActionEncode(SDnodeObj *pDnode) {
   SDB_SET_INT16(pRaw, dataPos, pDnode->port, _OVER)
   SDB_SET_BINARY(pRaw, dataPos, pDnode->fqdn, TSDB_FQDN_LEN, _OVER)
   SDB_SET_RESERVE(pRaw, dataPos, TSDB_DNODE_RESERVE_SIZE, _OVER)
+  SDB_SET_INT16(pRaw, dataPos, TSDB_ACTIVE_KEY_LEN, _OVER)
   SDB_SET_BINARY(pRaw, dataPos, pDnode->active, TSDB_ACTIVE_KEY_LEN, _OVER)
+  SDB_SET_INT16(pRaw, dataPos, TSDB_CONN_ACTIVE_KEY_LEN, _OVER)
   SDB_SET_BINARY(pRaw, dataPos, pDnode->connActive, TSDB_CONN_ACTIVE_KEY_LEN, _OVER)
   SDB_SET_DATALEN(pRaw, dataPos, _OVER);
 
@@ -182,9 +184,11 @@ static SSdbRow *mndDnodeActionDecode(SSdbRaw *pRaw) {
   SDB_GET_BINARY(pRaw, dataPos, pDnode->fqdn, TSDB_FQDN_LEN, _OVER)
   SDB_GET_RESERVE(pRaw, dataPos, TSDB_DNODE_RESERVE_SIZE, _OVER)
   if (sver > 1) {
-    // update the sver to process upgrade compatibility if increase the active_key len
-    SDB_GET_BINARY(pRaw, dataPos, pDnode->active, TSDB_ACTIVE_KEY_LEN, _OVER)
-    SDB_GET_BINARY(pRaw, dataPos, pDnode->connActive, TSDB_CONN_ACTIVE_KEY_LEN, _OVER)
+    int16_t keyLen = 0;
+    SDB_GET_INT16(pRaw, dataPos, &keyLen, _OVER)
+    SDB_GET_BINARY(pRaw, dataPos, pDnode->active, keyLen, _OVER)
+    SDB_GET_INT16(pRaw, dataPos, &keyLen, _OVER)
+    SDB_GET_BINARY(pRaw, dataPos, pDnode->connActive, keyLen, _OVER)
   }
 
   terrno = 0;