enh(tmq): add log

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

@@ -447,6 +447,8 @@ static int32_t mndProcessSubscribeReq(SRpcMsg *pMsg) {
 
   pConsumerOld = mndAcquireConsumer(pMnode, consumerId);
   if (pConsumerOld == NULL) {
+    mInfo("receive subscribe request from new consumer: %ld", consumerId);
+
     pConsumerNew = tNewSMqConsumerObj(consumerId, cgroup);
     tstrncpy(pConsumerNew->clientId, subscribe.clientId, 256);
     pConsumerNew->updateType = CONSUMER_UPDATE__MODIFY;
@@ -463,7 +465,12 @@ static int32_t mndProcessSubscribeReq(SRpcMsg *pMsg) {
 
   } else {
     /*taosRLockLatch(&pConsumerOld->lock);*/
+
     int32_t status = atomic_load_32(&pConsumerOld->status);
+
+    mInfo("receive subscribe request from old consumer: %ld, current status: %s", consumerId,
+          mndConsumerStatusName(status));
+
     if (status != MQ_CONSUMER_STATUS__READY) {
       terrno = TSDB_CODE_MND_CONSUMER_NOT_READY;
       goto SUBSCRIBE_OVER;

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

@@ -183,7 +183,10 @@ static int32_t mndProcessCommitOffsetReq(SRpcMsg *pMsg) {
 
   for (int32_t i = 0; i < commitOffsetReq.num; i++) {
     SMqOffset *pOffset = &commitOffsetReq.offsets[i];
+    mInfo("commit offset %ld to vg %d of consumer group %s on topic %s", pOffset->offset, pOffset->vgId,
+          pOffset->cgroup, pOffset->topicName);
     if (mndMakePartitionKey(key, pOffset->cgroup, pOffset->topicName, pOffset->vgId) < 0) {
+      mError("submit offset to topic %s failed", pOffset->topicName);
       return -1;
     }
     bool          create = false;
@@ -192,7 +195,7 @@ static int32_t mndProcessCommitOffsetReq(SRpcMsg *pMsg) {
       SMqTopicObj *pTopic = mndAcquireTopic(pMnode, pOffset->topicName);
       if (pTopic == NULL) {
         terrno = TSDB_CODE_MND_TOPIC_NOT_EXIST;
-        mError("submit offset to topic %s failed since  %s", pOffset->topicName, terrstr());
+        mError("submit offset to topic %s failed since %s", pOffset->topicName, terrstr());
         continue;
       }
       pOffsetObj = taosMemoryMalloc(sizeof(SMqOffsetObj));

source/dnode/vnode/src/tq/tq.c

@@ -130,7 +130,17 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
           TD_VID(pTq->pVnode), pReq->currentOffset, fetchOffset);
 
   STqHandle* pHandle = taosHashGet(pTq->handles, pReq->subKey, strlen(pReq->subKey));
-  ASSERT(pHandle);
+  /*ASSERT(pHandle);*/
+  if (pHandle == NULL) {
+    tqError("tmq poll: no consumer handle for consumer %ld in vg %d, subkey %s", consumerId, pTq->pVnode->config.vgId,
+            pReq->subKey);
+    return -1;
+  }
+  if (pHandle->consumerId != consumerId) {
+    tqError("tmq poll: consumer handle mismatch for consumer %ld in vg %d, subkey %s, handle consumer id %ld",
+            consumerId, pTq->pVnode->config.vgId, pReq->subKey, pHandle->consumerId);
+    return -1;
+  }
 
   int32_t consumerEpoch = atomic_load_32(&pHandle->epoch);
   while (consumerEpoch < reqEpoch) {

tests/system-test/fulltest.sh

@@ -98,7 +98,7 @@ python3 ./test.py -f 2-query/statecount.py
 python3 ./test.py -f 7-tmq/basic5.py
 python3 ./test.py -f 7-tmq/subscribeDb.py
 python3 ./test.py -f 7-tmq/subscribeDb0.py
-#python3 ./test.py -f 7-tmq/subscribeDb1.py
+python3 ./test.py -f 7-tmq/subscribeDb1.py
 python3 ./test.py -f 7-tmq/subscribeStb.py
 python3 ./test.py -f 7-tmq/subscribeStb0.py
 python3 ./test.py -f 7-tmq/subscribeStb1.py