[TD-3178]<feature> add compact-status in vgroup

src/inc/taosmsg.h

@@ -539,7 +539,7 @@ typedef struct {
   uint8_t  status;
   uint8_t  role;
   uint8_t  replica;
-  uint8_t  reserved;
+  uint8_t  compact;
 } SVnodeLoad;
 
 typedef struct {

src/mnode/inc/mnodeDef.h

@@ -145,6 +145,7 @@ typedef struct SVgObj {
   int8_t         reserved0[4];
   SVnodeGid      vnodeGid[TSDB_MAX_REPLICA];
   int32_t        vgCfgVersion;
+  int8_t         compact;
   int8_t         reserved1[8];
   int8_t         updateEnd[4];
   int32_t        refCount;

src/mnode/src/mnodeVgroup.c

@@ -354,6 +354,7 @@ void mnodeUpdateVgroupStatus(SVgObj *pVgroup, SDnodeObj *pDnode, SVnodeLoad *pVl
            pVgroup->pDb->dbCfgVersion, pVgroup->vgCfgVersion, pVgroup->numOfVnodes);
     mnodeSendAlterVgroupMsg(pVgroup);
   }
+  pVgroup->compact = pVload->compact; 
 }
 
 static int32_t mnodeAllocVgroupIdPool(SVgObj *pInputVgroup) {
@@ -721,6 +722,13 @@ static int32_t mnodeGetVgroupMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *p
     cols++;
   }
 
+  pShow->bytes[cols] = 4;
+  pSchema[cols].type = TSDB_DATA_TYPE_INT;
+  strcpy(pSchema[cols].name, "compacting");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+  
+  
   pMeta->numOfColumns = htons(cols);
   pShow->numOfColumns = cols;
 
@@ -824,7 +832,11 @@ static int32_t mnodeRetrieveVgroups(SShowObj *pShow, char *data, int32_t rows, v
       STR_WITH_MAXSIZE_TO_VARSTR(pWrite, role, pShow->bytes[cols]);
       cols++;
     }
-
+      
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    *(int8_t *)pWrite = pVgroup->compact; 
+    cols++;
+    
     mnodeDecVgroupRef(pVgroup);
     numOfRows++;
   }

src/vnode/src/vnodeMgmt.c

@@ -148,6 +148,7 @@ static void vnodeBuildVloadMsg(SVnodeObj *pVnode, SStatusMsg *pStatus) {
   pLoad->status = pVnode->status;
   pLoad->role = pVnode->role;
   pLoad->replica = pVnode->syncCfg.replica;  
+  pLoad->compact = 1;//pVnode->compact; 
 }
 
 int32_t vnodeGetVnodeList(int32_t vnodeList[], int32_t *numOfVnodes) {