TD-1248 TD-1044

src/mnode/src/mnodeShow.c

@@ -313,6 +313,7 @@ static int32_t mnodeProcessConnectMsg(SMnodeMsg *pMsg) {
     if (pDb->status != TSDB_DB_STATUS_READY) {
       mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
       code = TSDB_CODE_MND_DB_IN_DROPPING;
+      mnodeDecDbRef(pDb);
       goto connect_over;
     }
     mnodeDecDbRef(pDb);

src/mnode/src/mnodeTable.c

@@ -294,6 +294,7 @@ static int32_t mnodeChildTableActionRestored() {
       SSdbOper desc = {.type = SDB_OPER_LOCAL, .pObj = pTable, .table = tsChildTableSdb};
       sdbDeleteRow(&desc);
       mnodeDecTableRef(pTable);
+      mnodeDecDbRef(pDb);
       continue;
     }
     mnodeDecDbRef(pDb);
@@ -1259,6 +1260,7 @@ static int32_t mnodeGetShowSuperTableMeta(STableMetaMsg *pMeta, SShowObj *pShow,
     
   if (pDb->status != TSDB_DB_STATUS_READY) {
     mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
+    mnodeDecDbRef(pDb);
     return TSDB_CODE_MND_DB_IN_DROPPING;
   }
 
@@ -1323,6 +1325,7 @@ int32_t mnodeRetrieveShowSuperTables(SShowObj *pShow, char *data, int32_t rows,
   
   if (pDb->status != TSDB_DB_STATUS_READY) {
     mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
+    mnodeDecDbRef(pDb);
     return 0;
   }
 
@@ -2495,6 +2498,7 @@ static int32_t mnodeGetShowTableMeta(STableMetaMsg *pMeta, SShowObj *pShow, void
   
   if (pDb->status != TSDB_DB_STATUS_READY) {
     mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
+    mnodeDecDbRef(pDb);
     return TSDB_CODE_MND_DB_IN_DROPPING;
   }
 
@@ -2548,6 +2552,7 @@ static int32_t mnodeRetrieveShowTables(SShowObj *pShow, char *data, int32_t rows
   
   if (pDb->status != TSDB_DB_STATUS_READY) {
     mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
+    mnodeDecDbRef(pDb);
     return 0;
   }
 
@@ -2716,6 +2721,7 @@ static int32_t mnodeGetStreamTableMeta(STableMetaMsg *pMeta, SShowObj *pShow, vo
   
   if (pDb->status != TSDB_DB_STATUS_READY) {
     mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
+    mnodeDecDbRef(pDb);
     return TSDB_CODE_MND_DB_IN_DROPPING;
   }
 
@@ -2768,6 +2774,7 @@ static int32_t mnodeRetrieveStreamTables(SShowObj *pShow, char *data, int32_t ro
   
   if (pDb->status != TSDB_DB_STATUS_READY) {
     mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
+    mnodeDecDbRef(pDb);
     return 0;
   }
   

src/mnode/src/mnodeVgroup.c

@@ -89,6 +89,7 @@ static int32_t mnodeVgroupActionInsert(SSdbOper *pOper) {
   
   if (pDb->status != TSDB_DB_STATUS_READY) {
     mError("vgId:%d, db:%s status:%d, in dropping", pVgroup->vgId, pDb->name, pDb->status);
+    mnodeDecDbRef(pDb);
     return TSDB_CODE_MND_DB_IN_DROPPING;
   }
 
@@ -617,6 +618,7 @@ static int32_t mnodeGetVgroupMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *p
   
   if (pDb->status != TSDB_DB_STATUS_READY) {
     mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
+    mnodeDecDbRef(pDb);
     return TSDB_CODE_MND_DB_IN_DROPPING;
   }
 
@@ -708,6 +710,7 @@ static int32_t mnodeRetrieveVgroups(SShowObj *pShow, char *data, int32_t rows, v
 
   if (pDb->status != TSDB_DB_STATUS_READY) {
     mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
+    mnodeDecDbRef(pDb);
     return 0;
   }
 
@@ -784,7 +787,10 @@ void mnodeAddTableIntoVgroup(SVgObj *pVgroup, SChildTableObj *pTable) {
   if (pTable->sid >= 1) {
     taosIdPoolMarkStatus(pVgroup->idPool, pTable->sid);
     pVgroup->numOfTables++;
-    mnodeIncVgroupRef(pVgroup);
+    // The create vgroup message may be received later than the create table message
+    // and the writing order in sdb is therefore uncertain
+    // which will cause the reference count of the vgroup to be incorrect when restarting
+    // mnodeIncVgroupRef(pVgroup);
   }
 }
 
@@ -792,7 +798,10 @@ void mnodeRemoveTableFromVgroup(SVgObj *pVgroup, SChildTableObj *pTable) {
   if (pTable->sid >= 1) {
     taosFreeId(pVgroup->idPool, pTable->sid);
     pVgroup->numOfTables--;
-    mnodeDecVgroupRef(pVgroup);
+    // The create vgroup message may be received later than the create table message
+    // and the writing order in sdb is therefore uncertain
+    // which will cause the reference count of the vgroup to be incorrect when restarting
+    // mnodeDecVgroupRef(pVgroup);
   }
 }