coverage: add explain.c

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

@@ -540,12 +540,14 @@ int32_t mndSetConsumerCommitLogs(SMnode *pMnode, STrans *pTrans, SMqConsumerObj
 
 static void *topicNameDup(void *p) { return taosStrdup((char *)p); }
 
+#ifdef BUILD_NO_CALL
 static void freeItem(void *param) {
   void *pItem = *(void **)param;
   if (pItem != NULL) {
     taosMemoryFree(pItem);
   }
 }
+#endif
 
 int32_t mndProcessSubscribeReq(SRpcMsg *pMsg) {
   SMnode *pMnode = pMsg->info.node;

source/dnode/vnode/src/vnd/vnodeAsync.c

@@ -433,10 +433,12 @@ static int32_t vnodeAsyncLaunchWorker(SVAsync *async) {
   return 0;
 }
 
+#ifdef BUILD_NO_CALL
 int32_t vnodeAsync(SVAsync *async, EVAPriority priority, int32_t (*execute)(void *), void (*complete)(void *),
                    void *arg, int64_t *taskId) {
   return vnodeAsyncC(async, 0, priority, execute, complete, arg, taskId);
 }
+#endif
 
 int32_t vnodeAsyncC(SVAsync *async, int64_t channelId, EVAPriority priority, int32_t (*execute)(void *),
                     void (*complete)(void *), void *arg, int64_t *taskId) {

tests/system-test/2-query/explain.py

@@ -400,6 +400,9 @@ class TDTestCase:
 
         self.explain_check()
 
+        # coverage explain.c add
+        tdSql.query(f"explain verbose true select * from {dbname}.stb1 partition by c1 order by c2")
+
     def __test_error(self, dbname=DBNAME):
         
         ratio = random.uniform(0.001,1)