feat: sql command 'show user privileges'

source/dnode/mnode/impl/inc/mndUser.h

@@ -30,7 +30,8 @@ void      mndReleaseUser(SMnode *pMnode, SUserObj *pUser);
 
 // for trans test
 SSdbRaw  *mndUserActionEncode(SUserObj *pUser);
-SHashObj *mndDupDbHash(SHashObj *pOld, int32_t dataLen);
+SHashObj *mndDupDbHash(SHashObj *pOld);
+SHashObj *mndDupTopicHash(SHashObj *pOld);
 int32_t   mndValidateUserAuthInfo(SMnode *pMnode, SUserAuthVersion *pUsers, int32_t numOfUses, void **ppRsp,
                                   int32_t *pRspLen);
 

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

@@ -446,7 +446,7 @@ static int32_t mndAlterUser(SMnode *pMnode, SUserObj *pOld, SUserObj *pNew, SRpc
   return 0;
 }
 
-SHashObj *mndDupDbHash(SHashObj *pOld, int32_t dataLen) {
+SHashObj *mndDupObjHash(SHashObj *pOld, int32_t dataLen) {
   SHashObj *pNew =
       taosHashInit(taosHashGetSize(pOld), taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
   if (pNew == NULL) {
@@ -469,6 +469,10 @@ SHashObj *mndDupDbHash(SHashObj *pOld, int32_t dataLen) {
   return pNew;
 }
 
+SHashObj *mndDupDbHash(SHashObj *pOld) { return mndDupObjHash(pOld, TSDB_DB_FNAME_LEN); }
+
+SHashObj *mndDupTopicHash(SHashObj *pOld) { return mndDupObjHash(pOld, TSDB_TOPIC_FNAME_LEN); }
+
 static int32_t mndProcessAlterUserReq(SRpcMsg *pReq) {
   SMnode       *pMnode = pReq->info.node;
   SSdb         *pSdb = pMnode->pSdb;
@@ -517,9 +521,9 @@ static int32_t mndProcessAlterUserReq(SRpcMsg *pReq) {
   newUser.updateTime = taosGetTimestampMs();
 
   taosRLockLatch(&pUser->lock);
-  newUser.readDbs = mndDupDbHash(pUser->readDbs, TSDB_DB_FNAME_LEN);
-  newUser.writeDbs = mndDupDbHash(pUser->writeDbs, TSDB_DB_FNAME_LEN);
-  newUser.topics = mndDupDbHash(pUser->topics, TSDB_TOPIC_FNAME_LEN);
+  newUser.readDbs = mndDupDbHash(pUser->readDbs);
+  newUser.writeDbs = mndDupDbHash(pUser->writeDbs);
+  newUser.topics = mndDupTopicHash(pUser->topics);
   taosRUnLockLatch(&pUser->lock);
 
   if (newUser.readDbs == NULL || newUser.writeDbs == NULL || newUser.topics == NULL) {