feat: sql command 'grant', 'revoke', 'kill transaction' and 'show transactions'

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

@@ -412,6 +412,11 @@ static int32_t mndProcessAlterUserReq(SNodeMsg *pReq) {
     goto _OVER;
   }
 
+  if (TSDB_ALTER_USER_PASSWD == alterReq.alterType && alterReq.pass[0] == 0) {
+    terrno = TSDB_CODE_MND_INVALID_PASS_FORMAT;
+    goto _OVER;
+  }
+
   pUser = mndAcquireUser(pMnode, alterReq.user);
   if (pUser == NULL) {
     terrno = TSDB_CODE_MND_USER_NOT_EXIST;

source/libs/parser/src/parAuthenticator.c

@@ -52,9 +52,18 @@ static int32_t authSelect(SAuthCxt* pCxt, SSelectStmt* pSelect) {
   return pCxt->errCode;
 }
 
+static int32_t authSetOperator(SAuthCxt* pCxt, SSetOperator* pSetOper) {
+  int32_t code = authQuery(pCxt, pSetOper->pLeft);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = authQuery(pCxt, pSetOper->pRight);
+  }
+  return code;
+}
+
 static int32_t authQuery(SAuthCxt* pCxt, SNode* pStmt) {
   switch (nodeType(pStmt)) {
     case QUERY_NODE_SET_OPERATOR:
+      return authSetOperator(pCxt, (SSetOperator*)pStmt);
     case QUERY_NODE_SELECT_STMT:
       return authSelect(pCxt, (SSelectStmt*)pStmt);
     case QUERY_NODE_VNODE_MODIF_STMT:

source/libs/parser/test/mockCatalog.cpp

@@ -181,6 +181,12 @@ int32_t __catalogGetDBCfg(SCatalog* pCtg, void* pRpc, const SEpSet* pMgmtEps, co
   return 0;
 }
 
+int32_t __catalogChkAuth(SCatalog* pCtg, void* pRpc, const SEpSet* pMgmtEps, const char* user, const char* dbFName,
+                         AUTH_TYPE type, bool* pass) {
+  *pass = true;
+  return 0;
+}
+
 void initMetaDataEnv() {
   mockCatalogService.reset(new MockCatalogService());
 
@@ -193,6 +199,7 @@ void initMetaDataEnv() {
   stub.set(catalogGetDBVgVersion, __catalogGetDBVgVersion);
   stub.set(catalogGetDBVgInfo, __catalogGetDBVgInfo);
   stub.set(catalogGetDBCfg, __catalogGetDBCfg);
+  stub.set(catalogChkAuth, __catalogChkAuth);
   // {
   //   AddrAny any("libcatalog.so");
   //   std::map<std::string,void*> result;