fix: empty ts range query issue

source/libs/parser/src/parTranslater.c

@@ -3342,6 +3342,9 @@ static int32_t translateWhere(STranslateContext* pCxt, SSelectStmt* pSelect) {
   if (TSDB_CODE_SUCCESS == code) {
     code = getQueryTimeRange(pCxt, pSelect->pWhere, &pSelect->timeRange);
   }
+  if (TSDB_CODE_SUCCESS == code && pSelect->timeRange.skey > pSelect->timeRange.ekey) {
+    pSelect->isEmptyResult = true;
+  }
   return code;
 }
 

tests/parallel_test/cases.task

@@ -181,6 +181,7 @@
 ,,y,script,./test.sh -f tsim/query/groupby.sim
 ,,y,script,./test.sh -f tsim/query/event.sim
 ,,y,script,./test.sh -f tsim/query/forceFill.sim
+,,y,script,./test.sh -f tsim/query/emptyTsRange.sim
 ,,y,script,./test.sh -f tsim/qnode/basic1.sim
 ,,y,script,./test.sh -f tsim/snode/basic1.sim
 ,,y,script,./test.sh -f tsim/mnode/basic1.sim

tests/script/tsim/query/emptyTsRange.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 drop database if exists db1;
+sql create database if not exists db1;
+sql use db1;
+sql create stable sta (ts timestamp, f1 double, f2 binary(200)) tags(t1 int);
+sql create table tba1 using sta tags(1);
+sql insert into tba1 values ('2022-04-26 15:15:01', 1.0, "a");
+sql insert into tba1 values ('2022-04-26 15:15:02', 2.0, "b");
+sql insert into tba1 values ('2022-04-26 15:15:04', 4.0, "b");
+sql insert into tba1 values ('2022-04-26 15:15:05', 5.0, "b");
+sql select last_row(*) from sta where ts >= 1678901803783 and ts <= 1678901803783 and  _c0 <= 1678901803782 interval(10d,8d) fill(linear) order by _wstart desc;
+if $rows != 0 then
+  return -1
+endi
+
+system sh/exec.sh -n dnode1 -s stop -x SIGINT