[TS-626]<fix>: fixed coredump

b5730cd9 · xywang · 0a1151d3 · b5730cd9
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src/client/src/tscGlobalmerge.c src/client/src/tscGlobalmerge.c +1 -1

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--- a/src/client/src/tscGlobalmerge.c
+++ b/src/client/src/tscGlobalmerge.c
@@ -965,7 +965,7 @@ SSDataBlock* doGlobalAggregate(void* param, bool* newgroup) {
      w->skey = *(int64_t*)pInfoData->pData;
      w->ekey = *(int64_t*)(((char*)pInfoData->pData) + TSDB_KEYSIZE * (pRes->info.rows - 1));

-      if (pOperator->pRuntimeEnv->pQueryAttr->order.order == TSDB_ORDER_DESC) {
+      if (pOperator->pRuntimeEnv->pQueryAttr->order.order == TSDB_ORDER_DESC && w->skey < w->ekey) {
        SWAP(w->skey, w->ekey, TSKEY);
        assert(w->skey >= w->ekey);
      }