fix(query): disable limit in table merge scan.

source/libs/executor/src/scanoperator.c

@@ -4746,7 +4746,9 @@ SOperatorInfo* createTableMergeScanOperatorInfo(STableScanPhysiNode* pTableScanN
   pInfo->base.dataBlockLoadFlag = FUNC_DATA_REQUIRED_DATA_LOAD;
   pInfo->base.scanFlag = MAIN_SCAN;
   pInfo->base.readHandle = *readHandle;
-  initLimitInfo(pTableScanNode->scan.node.pLimit, pTableScanNode->scan.node.pSlimit, &pInfo->base.limitInfo);
+
+  pInfo->base.limitInfo.limit.limit = -1;
+  pInfo->base.limitInfo.slimit.limit = -1;
 
   pInfo->sample.sampleRatio = pTableScanNode->ratio;
   pInfo->sample.seed = taosGetTimestampSec();