refact for user manage

src/client/inc/tsclient.h

@@ -270,7 +270,7 @@ typedef struct SResRec {
 struct STSBuf;
 
 typedef struct {
-  uint8_t               code;
+  int32_t               code;
   int64_t               numOfRows;   // num of results in current retrieved
   int64_t               numOfTotal;  // num of total results
   int64_t               numOfTotalInCurrentClause;  // num of total result in current subclause

src/client/src/tscServer.c

@@ -196,7 +196,7 @@ int tscSendMsgToServer(SSqlObj *pSql) {
 }
 
 void tscProcessMsgFromServer(char type, void *pCont, int contLen, void *ahandle, int32_t code) {
-  tscPrint("response:%d is received, pCont:%p, contLen:%d code:%d", type, pCont, contLen, code);
+  tscPrint("response:%s is received, len:%d error:%s", taosMsg[(uint8_t)type], contLen, tstrerror(code));
   SSqlObj *pSql = (SSqlObj *)ahandle;
   if (pSql == NULL || pSql->signature != pSql) {
     tscError("%p sql is already released, signature:%p", pSql, pSql->signature);
@@ -272,7 +272,7 @@ void tscProcessMsgFromServer(char type, void *pCont, int contLen, void *ahandle,
 
   if (pRes->code != TSDB_CODE_QUERY_CANCELLED) {
     assert(type == pCmd->msgType + 1);
-    pRes->code = (int8_t)code;
+    pRes->code = (int32_t)code;
     pRes->rspType = type;
     pRes->rspLen = contLen;
 
@@ -1737,17 +1737,19 @@ int32_t tscBuildAcctMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
 }
 
 int32_t tscBuildUserMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
-  SCreateUserMsg *pAlterMsg;
-  char *         pMsg, *pStart;
-
+  STscObj *pObj = pSql->pTscObj;
   SSqlCmd *pCmd = &pSql->cmd;
+  pCmd->payloadLen = sizeof(SCreateUserMsg);
 
-  pMsg = doBuildMsgHeader(pSql, &pStart);
-  pAlterMsg = (SCreateUserMsg *)pMsg;
+  if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
+    tscError("%p failed to malloc for query msg", pSql);
+    return TSDB_CODE_CLI_OUT_OF_MEMORY;
+  }
+
+  SCreateUserMsg *pAlterMsg = (SCreateUserMsg*)pCmd->payload;
 
   SUserInfo *pUser = &pInfo->pDCLInfo->user;
   strncpy(pAlterMsg->user, pUser->user.z, pUser->user.n);
-  
   pAlterMsg->flag = pUser->type;
 
   if (pUser->type == TSDB_ALTER_USER_PRIVILEGES) {
@@ -1758,9 +1760,6 @@ int32_t tscBuildUserMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
     strncpy(pAlterMsg->pass, pUser->passwd.z, pUser->passwd.n);
   }
 
-  pMsg += sizeof(SCreateUserMsg);
-  pCmd->payloadLen = pMsg - pStart;
-
   if (pUser->type == TSDB_ALTER_USER_PASSWD || pUser->type == TSDB_ALTER_USER_PRIVILEGES) {
     pCmd->msgType = TSDB_MSG_TYPE_ALTER_USER;
   } else {
@@ -1871,22 +1870,20 @@ int32_t tscBuildDropDnodeMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
 }
 
 int32_t tscBuildDropAcctMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
-  SDropUserMsg *pDropMsg;
-  char *        pMsg, *pStart;
-
+  STscObj *pObj = pSql->pTscObj;
   SSqlCmd *pCmd = &pSql->cmd;
+  pCmd->payloadLen = sizeof(SDropUserMsg);
+  pCmd->msgType = TSDB_MSG_TYPE_DROP_USER;
 
-  pMsg = doBuildMsgHeader(pSql, &pStart);
-  pDropMsg = (SDropUserMsg *)pMsg;
+  if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
+    tscError("%p failed to malloc for query msg", pSql);
+    return TSDB_CODE_CLI_OUT_OF_MEMORY;
+  }
 
+  SDropUserMsg *pDropMsg = (SDropUserMsg*)pCmd->payload;
   SMeterMetaInfo *pMeterMetaInfo = tscGetMeterMetaInfo(pCmd, pCmd->clauseIndex, 0);
   strcpy(pDropMsg->user, pMeterMetaInfo->name);
 
-  pMsg += sizeof(SDropUserMsg);
-
-  pCmd->payloadLen = pMsg - pStart;
-  pCmd->msgType = TSDB_MSG_TYPE_DROP_USER;
-
   return TSDB_CODE_SUCCESS;
 }
 
@@ -1911,38 +1908,27 @@ int32_t tscBuildUseDbMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
 }
 
 int32_t tscBuildShowMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
-  SShowMsg *pShowMsg;
-  char *    pMsg, *pStart;
-  int       msgLen = 0;
-
-  SSqlCmd *pCmd = &pSql->cmd;
   STscObj *pObj = pSql->pTscObj;
+  SSqlCmd *pCmd = &pSql->cmd;
+  pCmd->msgType = TSDB_MSG_TYPE_SHOW;
+  pCmd->payloadLen = sizeof(SShowMsg) + 100;
 
-  int32_t size = minMsgSize() + sizeof(SMgmtHead) + sizeof(SShowMsg) + pCmd->payloadLen + TSDB_EXTRA_PAYLOAD_SIZE;
-  if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, size)) {
-    tscError("%p failed to malloc for show msg", pSql);
-    return -1;
+  if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
+    tscError("%p failed to malloc for query msg", pSql);
+    return TSDB_CODE_CLI_OUT_OF_MEMORY;
   }
 
-  pMsg = pCmd->payload + tsRpcHeadSize;
-  pStart = pMsg;
-
-  SMgmtHead *pMgmt = (SMgmtHead *)pMsg;
+  SShowMsg *pShowMsg = (SShowMsg*)pCmd->payload;
 
   SMeterMetaInfo *pMeterMetaInfo = tscGetMeterMetaInfo(pCmd, pCmd->clauseIndex, 0);
-  size_t          nameLen = strlen(pMeterMetaInfo->name);
-
+  size_t nameLen = strlen(pMeterMetaInfo->name);
   if (nameLen > 0) {
-    strcpy(pMgmt->db, pMeterMetaInfo->name);  // prefix is set here
+    strcpy(pShowMsg->db, pMeterMetaInfo->name);  // prefix is set here
   } else {
-    strcpy(pMgmt->db, pObj->db);
+    strcpy(pShowMsg->db, pObj->db);
   }
 
-  pMsg += sizeof(SMgmtHead);
-
-  pShowMsg = (SShowMsg *)pMsg;
   SShowInfo *pShowInfo = &pInfo->pDCLInfo->showOpt;
-
   pShowMsg->type = pShowInfo->showType;
 
   if (pShowInfo->showType != TSDB_MGMT_TABLE_VNODES) {
@@ -1951,22 +1937,15 @@ int32_t tscBuildShowMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
       strncpy(pShowMsg->payload, pPattern->z, pPattern->n);
       pShowMsg->payloadLen = htons(pPattern->n);
     }
-    pMsg += (sizeof(SShowMsg) + pPattern->n);
   } else {
     SSQLToken *pIpAddr = &pShowInfo->prefix;
     assert(pIpAddr->n > 0 && pIpAddr->type > 0);
 
     strncpy(pShowMsg->payload, pIpAddr->z, pIpAddr->n);
     pShowMsg->payloadLen = htons(pIpAddr->n);
-
-    pMsg += (sizeof(SShowMsg) + pIpAddr->n);
   }
 
-  pCmd->payloadLen = pMsg - pStart;
-  pCmd->msgType = TSDB_MSG_TYPE_SHOW;
-
-  assert(msgLen + minMsgSize() <= size);
-
+  pCmd->payloadLen = sizeof(SShowMsg) + pShowMsg->payloadLen;
   return TSDB_CODE_SUCCESS;
 }
 
@@ -2186,37 +2165,20 @@ int tscAlterDbMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
 }
 
 int tscBuildRetrieveFromMgmtMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
-  char *pMsg, *pStart;
-  int   msgLen = 0;
-
-  SSqlCmd *pCmd = &pSql->cmd;
   STscObj *pObj = pSql->pTscObj;
-  pMsg = pCmd->payload + tsRpcHeadSize;
-  pStart = pMsg;
-
-  SMgmtHead *pMgmt = (SMgmtHead *)pMsg;
-
-  SQueryInfo *    pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
-  SMeterMetaInfo *pMeterMetaInfo = tscGetMeterMetaInfoFromQueryInfo(pQueryInfo, 0);
-  size_t          nameLen = strlen(pMeterMetaInfo->name);
+  SSqlCmd *pCmd = &pSql->cmd;
+  pCmd->msgType = TSDB_MSG_TYPE_RETRIEVE;
+  pCmd->payloadLen = sizeof(SRetrieveTableMsg);
 
-  if (nameLen > 0) {
-    strcpy(pMgmt->db, pMeterMetaInfo->name);
-  } else {
-    strcpy(pMgmt->db, pObj->db);
+  if (TSDB_CODE_SUCCESS != tscAllocPayload(pCmd, pCmd->payloadLen)) {
+    tscError("%p failed to malloc for query msg", pSql);
+    return TSDB_CODE_CLI_OUT_OF_MEMORY;
   }
 
-  pMsg += sizeof(SMgmtHead);
-
-  *((uint64_t *)pMsg) = pSql->res.qhandle;
-  pMsg += sizeof(pSql->res.qhandle);
-
-  *((uint16_t *)pMsg) = htons(pQueryInfo->type);
-  pMsg += sizeof(pQueryInfo->type);
-
-  msgLen = pMsg - pStart;
-  pCmd->payloadLen = msgLen;
-  pCmd->msgType = TSDB_MSG_TYPE_RETRIEVE;
+  SQueryInfo *pQueryInfo = tscGetQueryInfoDetail(pCmd, 0);
+  SRetrieveTableMsg *pRetrieveMsg = (SRetrieveTableMsg*)pCmd->payload;
+  pRetrieveMsg->qhandle = htobe64(pSql->res.qhandle);
+  pRetrieveMsg->free = htons(pQueryInfo->type);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -2999,6 +2961,7 @@ int tscProcessShowRsp(SSqlObj *pSql) {
   SMeterMetaInfo *pMeterMetaInfo = tscGetMeterMetaInfoFromQueryInfo(pQueryInfo, 0);
 
   pShow = (SShowRsp *)pRes->pRsp;
+  pShow->qhandle = htobe64(pShow->qhandle);
   pRes->qhandle = pShow->qhandle;
 
   tscResetForNextRetrieve(pRes);

src/inc/mnode.h

@@ -251,14 +251,14 @@ typedef struct _user_obj {
   char              pass[TSDB_KEY_LEN];
   char              acct[TSDB_USER_LEN];
   int64_t           createdTime;
-  char              superAuth : 1;
-  char              writeAuth : 1;
-  char              reserved[16];
-  char              updateEnd[1];
+  int8_t            superAuth;
+  int8_t            writeAuth;
+  int8_t            reserved[16];
+  int8_t            updateEnd[1];
   struct _user_obj *prev, *next;
   struct _acctObj * pAcct;
-  SQqueryList *   pQList;  // query list
-  SStreamList *   pSList;  // stream list
+  SQqueryList *     pQList;  // query list
+  SStreamList *     pSList;  // stream list
 } SUserObj;
 
 typedef struct {
@@ -301,15 +301,15 @@ typedef struct {
 } SSecInfo;
 
 typedef struct {
-  char     type;
+  int8_t   type;
   char     db[TSDB_DB_NAME_LEN];
   void *   pNode;
-  short    numOfColumns;
-  int      rowSize;
-  int      numOfRows;
-  int      numOfReads;
-  short    offset[TSDB_MAX_COLUMNS];
-  short    bytes[TSDB_MAX_COLUMNS];
+  int16_t  numOfColumns;
+  int32_t  rowSize;
+  int32_t  numOfRows;
+  int32_t  numOfReads;
+  int16_t  offset[TSDB_MAX_COLUMNS];
+  int16_t  bytes[TSDB_MAX_COLUMNS];
   void *   signature;
   uint16_t payloadLen; /* length of payload*/
   char     payload[];  /* payload for wildcard match in show tables */

src/inc/taosmsg.h

@@ -223,10 +223,10 @@ typedef struct {
 } SShellSubmitRspMsg;
 
 typedef struct SSchema {
-  uint8_t  type;
-  char  name[TSDB_COL_NAME_LEN];
-  short colId;
-  short bytes;
+  uint8_t type;
+  char    name[TSDB_COL_NAME_LEN];
+  int16_t colId;
+  int16_t bytes;
 } SSchema;
 
 typedef struct {

src/kit/shell/src/shellMain.c

@@ -82,11 +82,13 @@ struct arguments args = {
 int main(int argc, char* argv[]) {
   /*setlocale(LC_ALL, "en_US.UTF-8"); */
   //
-  void *taos = taos_connect(NULL, "root", "taosdata", NULL, 0);
-  printf("ok\n");
-  taos_query(taos, "create account a pass 'b'");
-  while (1) {
-    sleep(1000);
+  if (argc != 1) {
+    printf("=== this a test for debug usage\n");
+    void *taos = taos_connect(NULL, "root", "taosdata", NULL, 0);
+    taos_query(taos, "drop user a");
+    while (1) {
+      sleep(1000);
+    }
   }
   //
 

src/mnode/src/mgmtAcct.c

@@ -73,6 +73,7 @@ int32_t mgmtAddUserIntoAcct(SAcctObj *pAcct, SUserObj *pUser) {
 
   pAcct->pUser = pUser;
   pAcct->acctInfo.numOfUsers++;
+  pUser->pAcct = pAcct;
   pthread_mutex_unlock(&pAcct->mutex);
 
   return 0;

src/mnode/src/mgmtShell.c

@@ -1108,7 +1108,10 @@ static void mgmtProcessMsgFromShell(char type, void *pCont, int contLen, void *a
       mError("%s from shell is not processed", taosMsg[(int8_t)type]);
     }
   }
-  rpcFreeCont(pCont);
+
+  //TODO free may be cause segment fault
+  //
+  // rpcFreeCont(pCont);
 }
 
 void mgmtInitProcessShellMsg() {

src/mnode/src/mgmtUser.c

@@ -96,15 +96,16 @@ int32_t mgmtUpdateUser(SUserObj *pUser) {
 }
 
 int32_t mgmtCreateUser(SAcctObj *pAcct, char *name, char *pass) {
-  SUserObj *pUser;
-  int32_t code;
-
-  code = mgmtCheckUserLimit(pAcct);
+  int32_t code = mgmtCheckUserLimit(pAcct);
   if (code != 0) {
     return code;
   }
 
-  pUser = (SUserObj *)sdbGetRow(tsUserSdb, name);
+  if (name[0] == 0 || pass[0] == 0) {
+    return TSDB_CODE_INVALID_MSG;
+  }
+
+  SUserObj *pUser = (SUserObj *)sdbGetRow(tsUserSdb, name);
   if (pUser != NULL) {
     mWarn("user:%s is already there", name);
     return TSDB_CODE_USER_ALREADY_EXIST;
@@ -159,88 +160,99 @@ void mgmtCleanUpUsers() {
 }
 
 int32_t mgmtGetUserMeta(STableMeta *pMeta, SShowObj *pShow, void *pConn) {
-//  int32_t      cols = 0;
-//  SSchema *pSchema = tsGetSchema(pMeta);
-//
-//  pShow->bytes[cols] = TSDB_USER_LEN;
-//  pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
-//  strcpy(pSchema[cols].name, "name");
-//  pSchema[cols].bytes = htons(pShow->bytes[cols]);
-//  cols++;
-//
-//  pShow->bytes[cols] = 6;
-//  pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
-//  strcpy(pSchema[cols].name, "privilege");
-//  pSchema[cols].bytes = htons(pShow->bytes[cols]);
-//  cols++;
-//
-//  pShow->bytes[cols] = 8;
-//  pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
-//  strcpy(pSchema[cols].name, "created time");
-//  pSchema[cols].bytes = htons(pShow->bytes[cols]);
-//  cols++;
-//
-//  pMeta->numOfColumns = htons(cols);
-//  pShow->numOfColumns = cols;
-//
-//  pShow->offset[0] = 0;
-//  for (int32_t i = 1; i < cols; ++i) pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
-//
-//  pShow->numOfRows = pConn->pAcct->acctInfo.numOfUsers;
-//  pShow->pNode = pConn->pAcct->pUser;
-//  pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
+  SUserObj *pUser = mgmtGetUserFromConn(pConn);
+  if (pUser == NULL) {
+    return TSDB_CODE_INVALID_USER;
+  }
+
+  int32_t cols     = 0;
+  SSchema *pSchema = tsGetSchema(pMeta);
+
+  pShow->bytes[cols] = TSDB_USER_LEN;
+  pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
+  strcpy(pSchema[cols].name, "name");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pShow->bytes[cols] = 6;
+  pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
+  strcpy(pSchema[cols].name, "privilege");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pShow->bytes[cols] = 8;
+  pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
+  strcpy(pSchema[cols].name, "created time");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pMeta->numOfColumns = htons(cols);
+  strcpy(pMeta->tableId, "show users");
+  pShow->numOfColumns = cols;
+
+  pShow->offset[0] = 0;
+  for (int32_t i = 1; i < cols; ++i) {
+    pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
+  }
+
+  pShow->numOfRows = pUser->pAcct->acctInfo.numOfUsers;
+  pShow->pNode = pUser->pAcct->pUser;
+  pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
 
   return 0;
 }
 
 int32_t mgmtRetrieveUsers(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
-  int32_t       numOfRows = 0;
-//  SUserObj *pUser = NULL;
-//  char *    pWrite;
-//  int32_t       cols = 0;
-//
-//  while (numOfRows < rows) {
-//    pUser = (SUserObj *)pShow->pNode;
-//    if (pUser == NULL) break;
-//    pShow->pNode = (void *)pUser->next;
-//
-//    cols = 0;
-//
-//    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-//    strcpy(pWrite, pUser->user);
-//    cols++;
-//
-//    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-//    if (pUser->superAuth) {
-//      strcpy(pWrite, "super");
-//    } else if (pUser->writeAuth) {
-//      strcpy(pWrite, "write");
-//    } else {
-//      strcpy(pWrite, "read");
-//    }
-//    cols++;
-//
-//    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
-//    *(int64_t *)pWrite = pUser->createdTime;
-//    cols++;
-//
-//    numOfRows++;
-//  }
-//  pShow->numOfReads += numOfRows;
+  int32_t  numOfRows = 0;
+  SUserObj *pUser    = NULL;
+  int32_t  cols      = 0;
+  char     *pWrite;
+
+  while (numOfRows < rows) {
+    pUser = (SUserObj *)pShow->pNode;
+    if (pUser == NULL) break;
+    pShow->pNode = (void *)pUser->next;
+
+    cols = 0;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    strcpy(pWrite, pUser->user);
+    cols++;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    if (pUser->superAuth) {
+      strcpy(pWrite, "super");
+    } else if (pUser->writeAuth) {
+      strcpy(pWrite, "write");
+    } else {
+      strcpy(pWrite, "read");
+    }
+    cols++;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    *(int64_t *)pWrite = pUser->createdTime;
+    cols++;
+
+    numOfRows++;
+  }
+  pShow->numOfReads += numOfRows;
   return numOfRows;
 }
 
 void *mgmtUserActionInsert(void *row, char *str, int32_t size, int32_t *ssize) {
-  SUserObj *pUser = (SUserObj *)row;
+  SUserObj *pUser = (SUserObj *) row;
   SAcctObj *pAcct = mgmtGetAcct(pUser->acct);
+
+  pUser->pAcct = pAcct;
   mgmtAddUserIntoAcct(pAcct, pUser);
 
   return NULL;
 }
 
 void *mgmtUserActionDelete(void *row, char *str, int32_t size, int32_t *ssize) {
-  SUserObj *pUser = (SUserObj *)row;
+  SUserObj *pUser = (SUserObj *) row;
   SAcctObj *pAcct = mgmtGetAcct(pUser->acct);
+
   mgmtRemoveUserFromAcct(pAcct, pUser);
 
   return NULL;
@@ -251,30 +263,34 @@ void *mgmtUserActionUpdate(void *row, char *str, int32_t size, int32_t *ssize) {
 }
 
 void *mgmtUserActionEncode(void *row, char *str, int32_t size, int32_t *ssize) {
-  SUserObj *pUser = (SUserObj *)row;
-  int32_t       tsize = pUser->updateEnd - (char *)pUser;
+  SUserObj *pUser = (SUserObj *) row;
+
+  int32_t tsize = pUser->updateEnd - (int8_t *) pUser;
   if (size < tsize) {
     *ssize = -1;
   } else {
     memcpy(str, pUser, tsize);
     *ssize = tsize;
   }
+
   return NULL;
 }
 
 void *mgmtUserActionDecode(void *row, char *str, int32_t size, int32_t *ssize) {
-  SUserObj *pUser = (SUserObj *)malloc(sizeof(SUserObj));
+  SUserObj *pUser = (SUserObj *) malloc(sizeof(SUserObj));
   if (pUser == NULL) return NULL;
   memset(pUser, 0, sizeof(SUserObj));
 
-  int32_t tsize = pUser->updateEnd - (char *)pUser;
+  int32_t tsize = pUser->updateEnd - (int8_t *) pUser;
   memcpy(pUser, str, tsize);
+
   return (void *)pUser;
 }
 
 void *mgmtUserActionReset(void *row, char *str, int32_t size, int32_t *ssize) {
   SUserObj *pUser = (SUserObj *)row;
-  int32_t       tsize = pUser->updateEnd - (char *)pUser;
+
+  int32_t tsize = pUser->updateEnd - (int8_t *) pUser;
   memcpy(pUser, str, tsize);
 
   return NULL;
@@ -282,11 +298,13 @@ void *mgmtUserActionReset(void *row, char *str, int32_t size, int32_t *ssize) {
 
 void *mgmtUserActionDestroy(void *row, char *str, int32_t size, int32_t *ssize) {
   tfree(row);
+
   return NULL;
 }
 
 SUserObj *mgmtGetUserFromConn(void *pConn) {
   SRpcConnInfo connInfo;
   rpcGetConnInfo(pConn, &connInfo);
+
   return mgmtGetUser(connInfo.user);
 }