Merge pull request #8773 from taosdata/hotfix/TD-11258-m

[TD-11258]Unexpected result in "select expression from stable where .…

src/client/src/tscUtil.c

@@ -4606,7 +4606,7 @@ int32_t createProjectionExpr(SQueryInfo* pQueryInfo, STableMetaInfo* pTableMetaI
         }
       }
 
-      pse->colInfo.flag = TSDB_COL_NORMAL;
+      pse->colInfo.flag = pSource->base.colInfo.flag; //TSDB_COL_NORMAL;
       pse->resType  = pSource->base.resType;
       pse->resBytes = pSource->base.resBytes;
       strncpy(pse->colInfo.name, pSource->base.aliasName, tListLen(pse->colInfo.name));

tests/script/general/parser/nestquery.sim

@@ -884,5 +884,18 @@ if $data00 != 24 then
   return -1
 endi
 
+sql select sum(a)/sum(b) from meters where ts >= '2021-09-30 15:00:00.000' and ts <= '2021-09-30 15:00:05.000' interval(1s) fill(null) group by area order by area;
+if $rows != 12 then
+  return -1
+endi
+if $data00 != @21-09-30 15:00:00.000@ then
+  return -1
+endi
+if $data01 != NULL then
+  return -1
+endi
+if $data02 != 0 then
+  return -1
+endi
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT