opt sys index

source/dnode/vnode/src/meta/metaQuery.c

@@ -1074,7 +1074,13 @@ int32_t metaFilterCreateTime(SMeta *pMeta, SMetaFltParam *param, SArray *pUids)
 
     int32_t cmp = (*param->filterFunc)((void *)&p->ctime, (void *)&pCtimeKey->ctime, param->type);
     if (cmp == 0) taosArrayPush(pUids, &p->uid);
-    if (cmp == -1) break;
+
+    if (param->reverse == false) {
+      if (cmp == -1) break;
+    } else if (param->reverse) {
+      if (cmp == 1) break;
+    }
+
     valid = param->reverse ? tdbTbcMoveToPrev(pCursor->pCur) : tdbTbcMoveToNext(pCursor->pCur);
     if (valid < 0) break;
   }

source/libs/executor/src/scanoperator.c

@@ -2880,7 +2880,7 @@ int optSysDoCompare(__compar_fn_t func, int8_t comparType, void* a, void* b) {
     default:
       return -1;
   }
-  return 1;
+  return cmp;
 }
 
 static int optSysFilterFuncImpl__LowerThan(void* a, void* b, int16_t dtype) {