add assertion.

7555a645 · hjxilinx · 44639642 · 7555a645
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src/system/detail/src/vnodeQueryImpl.c src/system/detail/src/vnodeQueryImpl.c +1 -0

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--- a/src/system/detail/src/vnodeQueryImpl.c
+++ b/src/system/detail/src/vnodeQueryImpl.c
@@ -4951,6 +4951,7 @@ int32_t vnodeSTableQueryPrepare(SQInfo *pQInfo, SQuery *pQuery, void *param) {
 */
 void vnodeDecMeterRefcnt(SQInfo *pQInfo) {
  STableQuerySupportObj *pSupporter = pQInfo->pTableQuerySupporter;
+  assert(pSupporter->numOfMeters >= 1);
  if (pSupporter == NULL || pSupporter->numOfMeters == 1) {
    atomic_fetch_sub_32(&pQInfo->pObj->numOfQueries, 1);