set master when there is only one node

ecc95e70 · slguan · a767bd76 · ecc95e70
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src/mnode/src/mgmtMnode.c src/mnode/src/mgmtMnode.c +8 -0

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--- a/src/mnode/src/mgmtMnode.c
+++ b/src/mnode/src/mgmtMnode.c
@@ -87,6 +87,14 @@ static int32_t mgmtMnodeActionDecode(SSdbOperDesc *pOper) {
 }

 static int32_t mgmtMnodeActionRestored() {
+  if (mgmtGetMnodesNum() == 1) {
+    SMnodeObj *pMnode = NULL;
+    mgmtGetNextMnode(NULL, &pMnode);
+    if (pMnode != NULL) {
+      pMnode->role = TAOS_SYNC_ROLE_MASTER;
+      mgmtReleaseMnode(pMnode);
+    }
+  }
  return TSDB_CODE_SUCCESS;
 }