diff --git a/src/query/src/qAggMain.c b/src/query/src/qAggMain.c
index f3275456fc3c320ee127d6861ad1e212f4d08c60..fd8729e37925647279648ebd1bc4eadbdfa7feef 100644
--- a/src/query/src/qAggMain.c
+++ b/src/query/src/qAggMain.c
@@ -3734,6 +3734,10 @@ static void interp_function_impl(SQLFunctionCtx *pCtx) {
         }
       }
     } else {
+      if (GET_RES_INFO(pCtx)->numOfRes > 0) {
+        return;
+      }
+    
       // no data generated yet
       if (pCtx->size < 1) {
         return;
@@ -3763,11 +3767,15 @@ static void interp_function_impl(SQLFunctionCtx *pCtx) {
           if (pCtx->size > 1) {
             ekey = GET_TS_DATA(pCtx, 1);
             if ((ascQuery && ekey < pCtx->startTs) || ((!ascQuery) && ekey > pCtx->startTs)) {
+              setNull(pCtx->pOutput, pCtx->inputType, pCtx->inputBytes);
+              SET_VAL(pCtx, 1, 1);
               return;
             }
 
             val = ((char*)pCtx->pInput) + pCtx->inputBytes;            
           } else {
+            setNull(pCtx->pOutput, pCtx->inputType, pCtx->inputBytes);
+            SET_VAL(pCtx, 1, 1);
             return;
           }
         } else {
@@ -3812,7 +3820,7 @@ static void interp_function_impl(SQLFunctionCtx *pCtx) {
   SET_VAL(pCtx, 1, 1);
 }
 
-static void interp_function(SQLFunctionCtx *pCtx) {
+static void interp_function(SQLFunctionCtx *pCtx) {  
   // at this point, the value is existed, return directly
   if (pCtx->size > 0) {
     bool ascQuery = (pCtx->order == TSDB_ORDER_ASC);
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index fc4f6948ac49fd79bd848128f0da46a2a7f1f3a1..99e1f44ca54d2e9090c7b173b3002b22ca9033d5 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -757,6 +757,16 @@ static void setResultRowInterpo(SResultRow* pResult, SResultTsInterpType type) {
   }
 }
 
+static void unsetResultRowInterpo(SResultRow* pResult, SResultTsInterpType type) {
+  assert(pResult != NULL && (type == RESULT_ROW_START_INTERP || type == RESULT_ROW_END_INTERP));
+  if (type == RESULT_ROW_START_INTERP) {
+    pResult->startInterp = false;
+  } else {
+    pResult->endInterp   = false;
+  }
+}
+
+
 static bool resultRowInterpolated(SResultRow* pResult, SResultTsInterpType type) {
   assert(pResult != NULL && (type == RESULT_ROW_START_INTERP || type == RESULT_ROW_END_INTERP));
   if (type == RESULT_ROW_START_INTERP) {
@@ -1368,6 +1378,11 @@ static bool setTimeWindowInterpolationStartTs(SOperatorInfo* pOperatorInfo, SQLF
 
   bool ascQuery = QUERY_IS_ASC_QUERY(pQueryAttr);
 
+  if (pos < 0 && !ascQuery) {
+    setNotInterpoWindowKey(pCtx, pOperatorInfo->numOfOutput, RESULT_ROW_START_INTERP);
+    return true;
+  }
+
   TSKEY curTs  = tsCols[pos];
   TSKEY lastTs = *(TSKEY *) pRuntimeEnv->prevRow[0];
 
@@ -1603,6 +1618,7 @@ static void hashAllIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pRe
   }
 
   int32_t startPos = ascQuery? 0 : (pSDataBlock->info.rows - 1);
+  int32_t ostartPos = 0;
   TSKEY ts = getStartTsKey(pQueryAttr, &pSDataBlock->info.window, tsCols, pSDataBlock->info.rows);
 
   STimeWindow win = getCurrentActiveTimeWindow(pResultRowInfo, ts, pQueryAttr);
@@ -1611,7 +1627,7 @@ static void hashAllIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pRe
   SResultRow* pResult = NULL;
   int32_t forwardStep = 0;
   int32_t ret = 0;
-  STimeWindow preWin = win;
+  //STimeWindow preWin = win;
 
   while (1) {
     // null data, failed to allocate more memory buffer
@@ -1625,11 +1641,17 @@ static void hashAllIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pRe
     forwardStep = getNumOfRowsInTimeWindow(pRuntimeEnv, &pSDataBlock->info, tsCols, startPos, ekey, binarySearchForKey, true);
 
     // window start(end) key interpolation
+    unsetResultRowInterpo(pResult, RESULT_ROW_START_INTERP);
+    ostartPos = startPos;
+
+    if (!ascQuery) {
+      startPos += forwardStep * step;
+    }
+    
     doWindowBorderInterpolation(pOperatorInfo, pSDataBlock, pInfo->pCtx, pResult, &win, startPos, forwardStep);
-    doApplyFunctions(pRuntimeEnv, pInfo->pCtx, ascQuery ? &win : &preWin, startPos, forwardStep, tsCols, pSDataBlock->info.rows, numOfOutput);
-    preWin = win;
+    doApplyFunctions(pRuntimeEnv, pInfo->pCtx, &win, ostartPos, forwardStep, tsCols, pSDataBlock->info.rows, numOfOutput);
 
-    int32_t prevEndPos = (forwardStep - 1) * step + startPos;
+    int32_t prevEndPos = (!ascQuery) ? startPos - step : (forwardStep - 1) * step + startPos;
     startPos = getNextQualifiedWindow(pQueryAttr, &win, &pSDataBlock->info, tsCols, binarySearchForKey, prevEndPos);
     if (startPos < 0) {
       if ((ascQuery && win.skey <= pQueryAttr->window.ekey) || ((!ascQuery) && win.ekey >= pQueryAttr->window.ekey)) {
@@ -1639,11 +1661,16 @@ static void hashAllIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pRe
           longjmp(pRuntimeEnv->env, TSDB_CODE_QRY_OUT_OF_MEMORY);
         }
 
-        startPos = pSDataBlock->info.rows - 1;
+        if (ascQuery) {
+          startPos = pSDataBlock->info.rows - 1;
+        } else {
+          startPos = 0;
+        }
 
-        // window start(end) key interpolation
-        doWindowBorderInterpolation(pOperatorInfo, pSDataBlock, pInfo->pCtx, pResult, &win, startPos, forwardStep);
-        doApplyFunctions(pRuntimeEnv, pInfo->pCtx, ascQuery ? &win : &preWin, startPos, forwardStep, tsCols, pSDataBlock->info.rows, numOfOutput);
+        forwardStep = 1;
+        unsetResultRowInterpo(pResult, RESULT_ROW_START_INTERP);
+        setNotInterpoWindowKey(pInfo->pCtx, pQueryAttr->numOfOutput, RESULT_ROW_START_INTERP);
+        doApplyFunctions(pRuntimeEnv, pInfo->pCtx, &win, startPos, forwardStep, tsCols, pSDataBlock->info.rows, numOfOutput);
       }
 
       break;
diff --git a/src/query/src/qFill.c b/src/query/src/qFill.c
index cdcc164152dddbc34d03508a2bdd7379d6e50892..144ca4dd794975a161d85c68e8058e3ca105d9c8 100644
--- a/src/query/src/qFill.c
+++ b/src/query/src/qFill.c
@@ -239,6 +239,9 @@ static int32_t fillResultImpl(SFillInfo* pFillInfo, void** data, int32_t outputR
             } else {
               setNull(output, pCol->col.type, pCol->col.bytes);
             }
+            if (!FILL_IS_ASC_FILL(pFillInfo)) {
+              memcpy(*prev + pCol->col.offset, output, pCol->col.bytes);
+            }
           } else {
             assignVal(output, (char*)&pCol->fillVal.i, pCol->col.bytes, pCol->col.type);
           }
diff --git a/tests/script/fullGeneralSuite.sim b/tests/script/fullGeneralSuite.sim
index 9f46b078475806292239e49fcbec80f5957e4eb4..37b1b4d973c26c1b2b37531f25f4d75b83b1f6c6 100644
--- a/tests/script/fullGeneralSuite.sim
+++ b/tests/script/fullGeneralSuite.sim
@@ -222,3 +222,4 @@ run general/stream/metrics_replica1_vnoden.sim
 run general/db/show_create_db.sim
 run general/db/show_create_table.sim
 run general/parser/like.sim
+run general/parser/interp_blocks.sim
diff --git a/tests/script/general/parser/interp_blocks.sim b/tests/script/general/parser/interp_blocks.sim
new file mode 100644
index 0000000000000000000000000000000000000000..6099e8c77cf960985cf06888eba6e80d5ebc7188
--- /dev/null
+++ b/tests/script/general/parser/interp_blocks.sim
@@ -0,0 +1,753 @@
+system sh/stop_dnodes.sh
+
+system sh/deploy.sh -n dnode1 -i 1
+system sh/cfg.sh -n dnode1 -c walLevel -v 1 
+system sh/cfg.sh -n dnode1 -c minRows -v 10
+system sh/exec.sh -n dnode1 -s start
+sleep 100
+sql connect
+
+sql create database newplant;
+print ====== create tables
+sql use newplant
+sql create table st_analogdef (ts TIMESTAMP,ip_value FLOAT,ip_quality TINYINT) TAGS (name NCHAR(50),st_type BINARY(10),st_plant_area NCHAR(10),st_description NCHAR(50),st_eng_units NCHAR(10),st_graph_maximum FLOAT,st_graph_minimum FLOAT,st_hh_limit FLOAT,st_h_limit FLOAT,st_l_limit FLOAT,st_ll_limit FLOAT,st_deadband FLOAT,is_sys_table INT);
+sql CREATE TABLE ts_1171194 USING st_analogdef TAGS ("TD_A01009","analog","ss1","sss1009","%",30000.000000,NULL,12000.000000,10000.000000,100.000000,80.000000,NULL,0);
+
+sql insert into ts_1171194 values ('2021-08-16 16:09:40.000',1.00000,2)
+sql insert into ts_1171194 values ('2021-08-16 16:10:10.000',2.00000,3)
+sql insert into ts_1171194 values ('2021-08-16 16:10:40.000',3.00000,4)
+sql insert into ts_1171194 values ('2021-08-16 16:11:10.000',4.00000,5)
+sql insert into ts_1171194 values ('2021-08-16 16:11:40.000',5.00000,6)
+sql insert into ts_1171194 values ('2021-08-16 16:12:10.000',6.00000,7)
+sql insert into ts_1171194 values ('2021-08-16 16:12:40.000',7.00000,8)
+sql insert into ts_1171194 values ('2021-08-16 16:13:20.000',8.00000,9)
+sql insert into ts_1171194 values ('2021-08-16 16:13:50.000',9.00000,10)
+sql insert into ts_1171194 values ('2021-08-16 16:58:00.000',10.00000,11)
+
+print ================== restart server to commit data into disk
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+sleep 500
+system sh/exec.sh -n dnode1 -s start
+print ================== server restart completed
+
+sql insert into ts_1171194 values ('2021-08-16 16:59:00.000',11.00000,12)
+sql insert into ts_1171194 values ('2021-08-16 17:10:10.000',12.00000,13)
+sql insert into ts_1171194 values ('2021-08-16 17:10:40.000',13.00000,14)
+sql insert into ts_1171194 values ('2021-08-16 17:11:10.000',14.00000,15)
+sql insert into ts_1171194 values ('2021-08-16 17:11:40.000',15.00000,16)
+sql insert into ts_1171194 values ('2021-08-16 17:12:10.000',16.00000,17)
+sql insert into ts_1171194 values ('2021-08-16 17:12:40.000',17.00000,18)
+sql insert into ts_1171194 values ('2021-08-16 17:13:20.000',18.00000,19)
+sql insert into ts_1171194 values ('2021-08-16 17:13:50.000',19.00000,20)
+sql insert into ts_1171194 values ('2021-08-16 17:58:00.000',20.00000,21)
+
+print ================== restart server to commit data into disk
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+sleep 500
+system sh/exec.sh -n dnode1 -s start
+print ================== server restart completed
+
+sql insert into ts_1171194 values ('2021-08-16 17:59:00.000',21.00000,22)
+sql insert into ts_1171194 values ('2021-08-16 18:10:10.000',22.00000,23)
+sql insert into ts_1171194 values ('2021-08-16 18:10:40.000',23.00000,24)
+sql insert into ts_1171194 values ('2021-08-16 18:11:10.000',24.00000,25)
+sql insert into ts_1171194 values ('2021-08-16 18:11:40.000',25.00000,26)
+sql insert into ts_1171194 values ('2021-08-16 18:12:10.000',26.00000,27)
+sql insert into ts_1171194 values ('2021-08-16 18:12:40.000',27.00000,28)
+sql insert into ts_1171194 values ('2021-08-16 18:13:20.000',28.00000,29)
+sql insert into ts_1171194 values ('2021-08-16 18:13:50.000',29.00000,30)
+sql insert into ts_1171194 values ('2021-08-16 18:58:00.000',30.00000,31)
+
+
+print ================== restart server to commit data into disk
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+sleep 500
+system sh/exec.sh -n dnode1 -s start
+print ================== server restart completed
+
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(1h) fill(linear);
+if $rows != 4 then
+  return -1
+endi
+if $data00 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data01 != NULL then
+  return -1
+endi
+if $data02 != NULL then
+  return -1
+endi
+if $data10 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data11 != 11.08955 then
+  return -1
+endi
+if $data12 != 12 then
+  return -1
+endi
+if $data20 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data21 != 21.08955 then
+  return -1
+endi
+if $data22 != 22 then
+  return -1
+endi
+if $data30 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data31 != NULL then
+  return -1
+endi
+if $data32 != NULL then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(30m) fill(linear);
+if $rows != 7 then
+  return -1
+endi
+if $data00 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data01 != NULL then
+  return -1
+endi
+if $data02 != NULL then
+  return -1
+endi
+if $data10 != @21-08-16 16:30:00.000@ then
+  return -1
+endi
+if $data11 != 9.36604 then
+  return -1
+endi
+if $data12 != 10 then
+  return -1
+endi
+if $data20 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data21 != 11.08955 then
+  return -1
+endi
+if $data22 != 12 then
+  return -1
+endi
+if $data30 != @21-08-16 17:30:00.000@ then
+  return -1
+endi
+if $data31 != 19.36604 then
+  return -1
+endi
+if $data32 != 20 then
+  return -1
+endi
+if $data40 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data41 != 21.08955 then
+  return -1
+endi
+if $data42 != 22 then
+  return -1
+endi
+if $data50 != @21-08-16 18:30:00.000@ then
+  return -1
+endi
+if $data51 != 29.36604 then
+  return -1
+endi
+if $data52 != 30 then
+  return -1
+endi
+if $data60 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data61 != NULL then
+  return -1
+endi
+if $data62 != NULL then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(1h) fill(prev);
+if $rows != 4 then
+  return -1
+endi
+if $data00 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data01 != NULL then
+  return -1
+endi
+if $data02 != NULL then
+  return -1
+endi
+if $data10 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data11 != 11.00000 then
+  return -1
+endi
+if $data12 != 12 then
+  return -1
+endi
+if $data20 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data21 != 21.00000 then
+  return -1
+endi
+if $data22 != 22 then
+  return -1
+endi
+if $data30 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data31 != 30.00000 then
+  return -1
+endi
+if $data32 != 31 then
+  return -1
+endi
+
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(1h) fill(next);
+if $rows != 4 then
+  return -1
+endi
+if $data00 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data01 != 1.00000 then
+  return -1
+endi
+if $data02 != 2 then
+  return -1
+endi
+if $data10 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data11 != 12.00000 then
+  return -1
+endi
+if $data12 != 13 then
+  return -1
+endi
+if $data20 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data21 != 22.00000 then
+  return -1
+endi
+if $data22 != 23 then
+  return -1
+endi
+if $data30 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data31 != NULL then
+  return -1
+endi
+if $data32 != NULL then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(1h) fill(value,1);
+if $rows != 4 then
+  return -1
+endi
+if $data00 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data01 != 1.00000 then
+  return -1
+endi
+if $data02 != 1 then
+  return -1
+endi
+if $data10 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data11 != 1.00000 then
+  return -1
+endi
+if $data12 != 1 then
+  return -1
+endi
+if $data20 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data21 != 1.00000 then
+  return -1
+endi
+if $data22 != 1 then
+  return -1
+endi
+if $data30 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data31 != 1.00000 then
+  return -1
+endi
+if $data32 != 1 then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(1h) fill(linear) order  by ts desc;
+if $rows != 4 then
+  return -1
+endi
+if $data00 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data01 != NULL then
+  return -1
+endi
+if $data02 != NULL then
+  return -1
+endi
+if $data10 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data11 != 21.08955 then
+  return -1
+endi
+if $data12 != 22 then
+  return -1
+endi
+if $data20 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data21 != 11.08955 then
+  return -1
+endi
+if $data22 != 12 then
+  return -1
+endi
+if $data30 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data31 != NULL then
+  return -1
+endi
+if $data32 != NULL then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(1h) fill(next) order  by ts desc;
+if $rows != 4 then
+  return -1
+endi
+if $data00 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data01 != NULL then
+  return -1
+endi
+if $data02 != NULL then
+  return -1
+endi
+if $data10 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data11 != 21.00000 then
+  return -1
+endi
+if $data12 != 22 then
+  return -1
+endi
+if $data20 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data21 != 11.00000 then
+  return -1
+endi
+if $data22 != 12 then
+  return -1
+endi
+if $data30 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data31 != NULL then
+  return -1
+endi
+if $data32 != NULL then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(1h) fill(NULL) order  by ts desc;
+if $rows != 4 then
+  return -1
+endi
+if $data00 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data01 != NULL then
+  return -1
+endi
+if $data02 != NULL then
+  return -1
+endi
+if $data10 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data11 != NULL then
+  return -1
+endi
+if $data12 != NULL then
+  return -1
+endi
+if $data20 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data21 != NULL then
+  return -1
+endi
+if $data22 != NULL then
+  return -1
+endi
+if $data30 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data31 != NULL then
+  return -1
+endi
+if $data32 != NULL then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(1h) fill(value, 5) order  by ts desc;
+if $rows != 4 then
+  return -1
+endi
+if $data00 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data01 != 5.00000 then
+  return -1
+endi
+if $data02 != 5 then
+  return -1
+endi
+if $data10 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data11 != 5.00000 then
+  return -1
+endi
+if $data12 != 5 then
+  return -1
+endi
+if $data20 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data21 != 5.00000 then
+  return -1
+endi
+if $data22 != 5 then
+  return -1
+endi
+if $data30 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data31 != 5.00000 then
+  return -1
+endi
+if $data32 != 5 then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(30m) fill(linear) order by ts desc;
+if $rows != 7 then
+  return -1
+endi
+if $data00 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data01 != NULL then
+  return -1
+endi
+if $data02 != NULL then
+  return -1
+endi
+if $data10 != @21-08-16 18:30:00.000@ then
+  return -1
+endi
+if $data11 != 29.36604 then
+  return -1
+endi
+if $data12 != 30 then
+  return -1
+endi
+if $data20 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data21 != 21.08955 then
+  return -1
+endi
+if $data22 != 22 then
+  return -1
+endi
+if $data30 != @21-08-16 17:30:00.000@ then
+  return -1
+endi
+if $data31 != 19.36604 then
+  return -1
+endi
+if $data32 != 20 then
+  return -1
+endi
+if $data40 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data41 != 11.08955 then
+  return -1
+endi
+if $data42 != 12 then
+  return -1
+endi
+if $data50 != @21-08-16 16:30:00.000@ then
+  return -1
+endi
+if $data51 != 9.36604 then
+  return -1
+endi
+if $data52 != 10 then
+  return -1
+endi
+if $data60 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data61 != NULL then
+  return -1
+endi
+if $data62 != NULL then
+  return -1
+endi
+
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 19:00:00.000' every(30m) fill(next) order by ts desc;
+if $rows != 7 then
+  return -1
+endi
+if $data00 != @21-08-16 19:00:00.000@ then
+  return -1
+endi
+if $data01 != NULL then
+  return -1
+endi
+if $data02 != NULL then
+  return -1
+endi
+if $data10 != @21-08-16 18:30:00.000@ then
+  return -1
+endi
+if $data11 != 29.00000 then
+  return -1
+endi
+if $data12 != 30 then
+  return -1
+endi
+if $data20 != @21-08-16 18:00:00.000@ then
+  return -1
+endi
+if $data21 != 21.00000 then
+  return -1
+endi
+if $data22 != 22 then
+  return -1
+endi
+if $data30 != @21-08-16 17:30:00.000@ then
+  return -1
+endi
+if $data31 != 19.00000 then
+  return -1
+endi
+if $data32 != 20 then
+  return -1
+endi
+if $data40 != @21-08-16 17:00:00.000@ then
+  return -1
+endi
+if $data41 != 11.00000 then
+  return -1
+endi
+if $data42 != 12 then
+  return -1
+endi
+if $data50 != @21-08-16 16:30:00.000@ then
+  return -1
+endi
+if $data51 != 9.00000 then
+  return -1
+endi
+if $data52 != 10 then
+  return -1
+endi
+if $data60 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data61 != NULL then
+  return -1
+endi
+if $data62 != NULL then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 16:13:50.000' every(3m) fill(linear);
+if $rows != 5 then
+  return -1
+endi
+if $data00 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data01 != NULL then
+  return -1
+endi
+if $data02 != NULL then
+  return -1
+endi
+if $data10 != @21-08-16 16:03:00.000@ then
+  return -1
+endi
+if $data11 != NULL then
+  return -1
+endi
+if $data12 != NULL then
+  return -1
+endi
+if $data20 != @21-08-16 16:06:00.000@ then
+  return -1
+endi
+if $data21 != NULL then
+  return -1
+endi
+if $data22 != NULL then
+  return -1
+endi
+if $data30 != @21-08-16 16:09:00.000@ then
+  return -1
+endi
+if $data31 != NULL then
+  return -1
+endi
+if $data32 != NULL then
+  return -1
+endi
+if $data40 != @21-08-16 16:12:00.000@ then
+  return -1
+endi
+if $data41 != 5.66667 then
+  return -1
+endi
+if $data42 != 6 then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 16:13:50.000' every(3m) fill(linear) order by ts desc;
+if $rows != 5 then
+  return -1
+endi
+if $data00 != @21-08-16 16:12:00.000@ then
+  return -1
+endi
+if $data01 !=  5.66667 then
+  return -1
+endi
+if $data02 != 6 then
+  return -1
+endi
+if $data10 != @21-08-16 16:09:00.000@ then
+  return -1
+endi
+if $data11 != NULL then
+  return -1
+endi
+if $data12 != NULL then
+  return -1
+endi
+if $data20 != @21-08-16 16:06:00.000@ then
+  return -1
+endi
+if $data21 != NULL then
+  return -1
+endi
+if $data22 != NULL then
+  return -1
+endi
+if $data30 != @21-08-16 16:03:00.000@ then
+  return -1
+endi
+if $data31 != NULL then
+  return -1
+endi
+if $data32 != NULL then
+  return -1
+endi
+if $data40 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data41 != NULL then
+  return -1
+endi
+if $data42 != NULL then
+  return -1
+endi
+
+sql select interp(ip_value,ip_quality) from st_analogdef where name='TD_A01009' and ts >='2021-08-16 16:00:00.000' and ts <='2021-08-16 16:13:50.000' every(3m) fill(next) order by ts desc;
+if $rows != 5 then
+  return -1
+endi
+if $data00 != @21-08-16 16:12:00.000@ then
+  return -1
+endi
+if $data01 !=  5.00000 then
+  return -1
+endi
+if $data02 != 6 then
+  return -1
+endi
+if $data10 != @21-08-16 16:09:00.000@ then
+  return -1
+endi
+if $data11 != NULL then
+  return -1
+endi
+if $data12 != NULL then
+  return -1
+endi
+if $data20 != @21-08-16 16:06:00.000@ then
+  return -1
+endi
+if $data21 != NULL then
+  return -1
+endi
+if $data22 != NULL then
+  return -1
+endi
+if $data30 != @21-08-16 16:03:00.000@ then
+  return -1
+endi
+if $data31 != NULL then
+  return -1
+endi
+if $data32 != NULL then
+  return -1
+endi
+if $data40 != @21-08-16 16:00:00.000@ then
+  return -1
+endi
+if $data41 != NULL then
+  return -1
+endi
+if $data42 != NULL then
+  return -1
+endi
+
+#system sh/exec.sh -n dnode1 -s stop -x SIGINT