Merge pull request #21601 from wangjiaming0909/fix/m/TS-3482

fix: select desc and asc return different rows after delete

source/libs/parser/src/parCalcConst.c

@@ -311,6 +311,9 @@ static int32_t calcConstDelete(SCalcConstContext* pCxt, SDeleteStmt* pDelete) {
   if (TSDB_CODE_SUCCESS == code) {
     code = calcConstStmtCondition(pCxt, &pDelete->pWhere, &pDelete->deleteZeroRows);
   }
+  if (code == TSDB_CODE_SUCCESS && pDelete->timeRange.skey > pDelete->timeRange.ekey) {
+    pDelete->deleteZeroRows = true;
+  }
   return code;
 }
 
@@ -465,6 +468,9 @@ static bool isEmptyResultQuery(SNode* pStmt) {
       }
       break;
     }
+    case QUERY_NODE_DELETE_STMT:
+      isEmptyResult = ((SDeleteStmt*)pStmt)->deleteZeroRows;
+      break;
     default:
       break;
   }

tests/script/tsim/query/delete_and_query.sim

+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -i 1
+system sh/exec.sh -n dnode1 -s start
+sql connect
+
+sql create database if not exists test
+sql use test
+sql create table t1 (ts timestamp, c2 int)
+sql insert into t1 values(now, 1)
+
+sql delete from t1 where ts is null
+sql delete from t1 where ts < now
+sql select ts from t1 order by ts asc
+
+print ----------rows:  $rows
+if $rows != 0 then
+  return -1
+endi
+
+sql select ts from t1 order by ts desc
+print ----------rows:  $rows
+if $rows != 0 then
+  return -1
+endi
+