Merge pull request #1976 from taosdata/hotfix/syncversion

version in sync is not updated correctly

src/inc/tsync.h

@@ -95,7 +95,7 @@ typedef void* tsync_h;
 tsync_h syncStart(const SSyncInfo *);
 void    syncStop(tsync_h shandle);
 int     syncReconfig(tsync_h shandle, const SSyncCfg *);
-int     syncForwardToPeer(tsync_h shandle, void *pHead, void *mhandle);
+int     syncForwardToPeer(tsync_h shandle, void *pHead, void *mhandle, int qtype);
 void    syncConfirmForward(tsync_h shandle, uint64_t version, int32_t code);
 void    syncRecover(tsync_h shandle);      // recover from other nodes:
 int     syncGetNodesRole(tsync_h shandle, SNodesRole *);

src/mnode/src/mgmtSdb.c

@@ -227,7 +227,7 @@ static void sdbConfirmForward(void *ahandle, void *param, int32_t code) {
 static int32_t sdbForwardToPeer(SWalHead *pHead) {
   if (tsSdbObj.sync == NULL) return TSDB_CODE_SUCCESS;
 
-  int32_t code = syncForwardToPeer(tsSdbObj.sync, pHead, (void*)pHead->version);
+  int32_t code = syncForwardToPeer(tsSdbObj.sync, pHead, (void*)pHead->version, TAOS_QTYPE_RPC);
   if (code > 0) {
     sdbTrace("forward request is sent, version:%" PRIu64 ", code:%d", pHead->version, code);
     sem_wait(&tsSdbObj.sem);

src/vnode/src/vnodeMain.c

@@ -46,7 +46,7 @@ static pthread_once_t  vnodeModuleInit = PTHREAD_ONCE_INIT;
 
 #ifndef _SYNC
 tsync_h syncStart(const SSyncInfo *info) { return NULL; }
-int     syncForwardToPeer(tsync_h shandle, void *pHead, void *mhandle) { return 0; }
+int     syncForwardToPeer(tsync_h shandle, void *pHead, void *mhandle, int qtype) { return 0; }
 void    syncStop(tsync_h shandle) {}
 int     syncReconfig(tsync_h shandle, const SSyncCfg * cfg) { return 0; }
 int     syncGetNodesRole(tsync_h shandle, SNodesRole * cfg) { return 0; }

src/vnode/src/vnodeWrite.c

@@ -72,10 +72,9 @@ int32_t vnodeProcessWrite(void *param1, int qtype, void *param2, void *item) {
   code = walWrite(pVnode->wal, pHead);
   if (code < 0) return code;
 
-  // forward to peers if data is from RPC or CQ
+  // forward to peers, even it is WAL/FWD, it shall be called to update version in sync 
   int32_t syncCode = 0;
-  if (qtype == TAOS_QTYPE_RPC || qtype == TAOS_QTYPE_CQ) 
-    syncCode = syncForwardToPeer(pVnode->sync, pHead, item);
+  syncCode = syncForwardToPeer(pVnode->sync, pHead, item, qtype);
   if (syncCode < 0) return syncCode;
 
   // write data locally