diff --git a/include/libs/nodes/plannodes.h b/include/libs/nodes/plannodes.h
index 2d870008dfe44b00ce26bb06a205e3dd66f63dc5..c028c4a1b99663abaa80b4c8ab4a8a4b4d1b1f48 100644
--- a/include/libs/nodes/plannodes.h
+++ b/include/libs/nodes/plannodes.h
@@ -80,9 +80,20 @@ typedef struct SExchangeLogicNode {
   int32_t srcGroupId;
 } SExchangeLogicNode;
 
+typedef enum EWindowType {
+  WINDOW_TYPE_INTERVAL = 1,
+  WINDOW_TYPE_SESSION,
+  WINDOW_TYPE_STATE
+} EWindowType;
+
 typedef struct SWindowLogicNode {
   SLogicNode node;
-  SNode* pWindow;
+  EWindowType winType;
+  SNodeList* pFuncs;
+  int64_t interval;
+  int64_t offset;
+  int64_t sliding;
+  SFillNode* pFill;
 } SWindowLogicNode;
 
 typedef enum ESubplanType {
@@ -198,9 +209,11 @@ typedef struct SExchangePhysiNode {
 
 typedef struct SIntervalPhysiNode {
   SPhysiNode node;
+  SNodeList* pExprs;   // these are expression list of parameter expression of function
+  SNodeList* pFuncs;
   int64_t interval;
-  int64_t sliding;
   int64_t offset;
+  int64_t sliding;
   SFillNode* pFill;
 } SIntervalPhysiNode;
 
diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 13a4fc70f70b062ac8bcebdeea27714a5779efc0..646b443fb748ccb3106fa87b25f8737d693594aa 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -195,11 +195,7 @@ int32_t execDdlQuery(SRequestObj* pRequest, SQuery* pQuery) {
 int32_t getPlan(SRequestObj* pRequest, SQuery* pQuery, SQueryPlan** pPlan, SArray* pNodeList) {
   pRequest->type = pQuery->msgType;
   SPlanContext cxt = { .queryId = pRequest->requestId, .pAstRoot = pQuery->pRoot, .acctId = pRequest->pTscObj->acctId };
-  int32_t  code = qCreateQueryPlan(&cxt, pPlan, pNodeList);
-  if (code != 0) {
-    return code;
-  }
-  return code;
+  return qCreateQueryPlan(&cxt, pPlan, pNodeList);
 }
 
 void setResSchemaInfo(SReqResultInfo* pResInfo, const SSchema* pSchema, int32_t numOfCols) {
diff --git a/source/libs/nodes/src/nodesCloneFuncs.c b/source/libs/nodes/src/nodesCloneFuncs.c
index 180853c0fbf98095aee61ada46c12cd293174db2..9779082e8332138a1db92ef1f7faa1a27dda4d8b 100644
--- a/source/libs/nodes/src/nodesCloneFuncs.c
+++ b/source/libs/nodes/src/nodesCloneFuncs.c
@@ -184,6 +184,12 @@ static SNode* groupingSetNodeCopy(const SGroupingSetNode* pSrc, SGroupingSetNode
   return (SNode*)pDst;
 }
 
+static SNode* fillNodeCopy(const SFillNode* pSrc, SFillNode* pDst) {
+  COPY_SCALAR_FIELD(mode);
+  CLONE_NODE_FIELD(pValues);
+  return (SNode*)pDst;
+}
+
 static SNode* logicNodeCopy(const SLogicNode* pSrc, SLogicNode* pDst) {
   COPY_SCALAR_FIELD(id);
   CLONE_NODE_LIST_FIELD(pTargets);
@@ -249,6 +255,17 @@ static SNode* logicExchangeCopy(const SExchangeLogicNode* pSrc, SExchangeLogicNo
   return (SNode*)pDst;
 }
 
+static SNode* logicWindowCopy(const SWindowLogicNode* pSrc, SWindowLogicNode* pDst) {
+  COPY_BASE_OBJECT_FIELD(node, logicNodeCopy);
+  COPY_SCALAR_FIELD(winType);
+  CLONE_NODE_LIST_FIELD(pFuncs);
+  COPY_SCALAR_FIELD(interval);
+  COPY_SCALAR_FIELD(offset);
+  COPY_SCALAR_FIELD(sliding);
+  CLONE_NODE_FIELD(pFill);
+  return (SNode*)pDst;
+}
+
 static SNode* logicSubplanCopy(const SSubLogicPlan* pSrc, SSubLogicPlan* pDst) {
   CLONE_NODE_FIELD(pNode);
   COPY_SCALAR_FIELD(subplanType);
@@ -310,6 +327,8 @@ SNodeptr nodesCloneNode(const SNodeptr pNode) {
     case QUERY_NODE_ORDER_BY_EXPR:
     case QUERY_NODE_LIMIT:
       break;
+    case QUERY_NODE_FILL:
+      return fillNodeCopy((const SFillNode*)pNode, (SFillNode*)pDst);
     case QUERY_NODE_DATABLOCK_DESC:
       return dataBlockDescCopy((const SDataBlockDescNode*)pNode, (SDataBlockDescNode*)pDst);
     case QUERY_NODE_SLOT_DESC:
@@ -326,6 +345,8 @@ SNodeptr nodesCloneNode(const SNodeptr pNode) {
       return logicVnodeModifCopy((const SVnodeModifLogicNode*)pNode, (SVnodeModifLogicNode*)pDst);
     case QUERY_NODE_LOGIC_PLAN_EXCHANGE:
       return logicExchangeCopy((const SExchangeLogicNode*)pNode, (SExchangeLogicNode*)pDst);
+    case QUERY_NODE_LOGIC_PLAN_WINDOW:
+      return logicWindowCopy((const SWindowLogicNode*)pNode, (SWindowLogicNode*)pDst);
     case QUERY_NODE_LOGIC_SUBPLAN:
       return logicSubplanCopy((const SSubLogicPlan*)pNode, (SSubLogicPlan*)pDst);
     default:
diff --git a/source/libs/nodes/src/nodesCodeFuncs.c b/source/libs/nodes/src/nodesCodeFuncs.c
index 7b602181806048daf516f4be9e9702a1a4d5d69d..2826c1054285ef0979bb72a743d90a1871b11478 100644
--- a/source/libs/nodes/src/nodesCodeFuncs.c
+++ b/source/libs/nodes/src/nodesCodeFuncs.c
@@ -117,6 +117,8 @@ const char* nodesNodeName(ENodeType type) {
       return "PhysiExchange";
     case QUERY_NODE_PHYSICAL_PLAN_SORT:
       return "PhysiSort";
+    case QUERY_NODE_PHYSICAL_PLAN_INTERVAL:
+      return "PhysiInterval";
     case QUERY_NODE_PHYSICAL_PLAN_DISPATCH:
       return "PhysiDispatch";
     case QUERY_NODE_PHYSICAL_PLAN_INSERT:
@@ -573,6 +575,65 @@ static int32_t jsonToPhysiExchangeNode(const SJson* pJson, void* pObj) {
   return code;
 }
 
+static const char* jkIntervalPhysiPlanExprs = "Exprs";
+static const char* jkIntervalPhysiPlanFuncs = "Funcs";
+static const char* jkIntervalPhysiPlanInterval = "Interval";
+static const char* jkIntervalPhysiPlanOffset = "Offset";
+static const char* jkIntervalPhysiPlanSliding = "Sliding";
+static const char* jkIntervalPhysiPlanFill = "Fill";
+
+static int32_t physiIntervalNodeToJson(const void* pObj, SJson* pJson) {
+  const SIntervalPhysiNode* pNode = (const SIntervalPhysiNode*)pObj;
+
+  int32_t code = physicPlanNodeToJson(pObj, pJson);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = nodeListToJson(pJson, jkIntervalPhysiPlanExprs, pNode->pExprs);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = nodeListToJson(pJson, jkIntervalPhysiPlanFuncs, pNode->pFuncs);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddIntegerToObject(pJson, jkIntervalPhysiPlanInterval, pNode->interval);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddIntegerToObject(pJson, jkIntervalPhysiPlanOffset, pNode->offset);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddIntegerToObject(pJson, jkIntervalPhysiPlanSliding, pNode->sliding);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonAddObject(pJson, jkIntervalPhysiPlanFill, nodeToJson, pNode->pFill);
+  }
+
+  return code;
+}
+
+static int32_t jsonToPhysiIntervalNode(const SJson* pJson, void* pObj) {
+  SIntervalPhysiNode* pNode = (SIntervalPhysiNode*)pObj;
+
+  int32_t code = jsonToPhysicPlanNode(pJson, pObj);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = jsonToNodeList(pJson, jkIntervalPhysiPlanExprs, &pNode->pExprs);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = jsonToNodeList(pJson, jkIntervalPhysiPlanFuncs, &pNode->pFuncs);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonGetBigIntValue(pJson, jkIntervalPhysiPlanInterval, &pNode->interval);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonGetBigIntValue(pJson, jkIntervalPhysiPlanOffset, &pNode->offset);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = tjsonGetBigIntValue(pJson, jkIntervalPhysiPlanSliding, &pNode->sliding);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = jsonToNodeObject(pJson, jkIntervalPhysiPlanFill, (SNode**)&pNode->pFill);
+  }
+
+  return code;
+}
+
 static const char* jkDataSinkInputDataBlockDesc = "InputDataBlockDesc";
 
 static int32_t physicDataSinkNodeToJson(const void* pObj, SJson* pJson) {
@@ -1502,6 +1563,8 @@ static int32_t specificNodeToJson(const void* pObj, SJson* pJson) {
       return physiExchangeNodeToJson(pObj, pJson);
     case QUERY_NODE_PHYSICAL_PLAN_SORT:
       break;
+    case QUERY_NODE_PHYSICAL_PLAN_INTERVAL:
+      return physiIntervalNodeToJson(pObj, pJson);
     case QUERY_NODE_PHYSICAL_PLAN_DISPATCH:
       return physiDispatchNodeToJson(pObj, pJson);
     case QUERY_NODE_PHYSICAL_PLAN_INSERT:
diff --git a/source/libs/nodes/src/nodesUtilFuncs.c b/source/libs/nodes/src/nodesUtilFuncs.c
index 4055faf299091c7bc7138ad55a9ad2b916c5789a..c524e62e5a1c3e2c51e0a3764e52d374190d1582 100644
--- a/source/libs/nodes/src/nodesUtilFuncs.c
+++ b/source/libs/nodes/src/nodesUtilFuncs.c
@@ -134,6 +134,8 @@ SNodeptr nodesMakeNode(ENodeType type) {
       return makeNode(type, sizeof(SVnodeModifLogicNode));
     case QUERY_NODE_LOGIC_PLAN_EXCHANGE:
       return makeNode(type, sizeof(SExchangeLogicNode));
+    case QUERY_NODE_LOGIC_PLAN_WINDOW:
+      return makeNode(type, sizeof(SWindowLogicNode));
     case QUERY_NODE_LOGIC_SUBPLAN:
       return makeNode(type, sizeof(SSubLogicPlan));
     case QUERY_NODE_LOGIC_PLAN:
@@ -156,6 +158,8 @@ SNodeptr nodesMakeNode(ENodeType type) {
       return makeNode(type, sizeof(SExchangePhysiNode));
     case QUERY_NODE_PHYSICAL_PLAN_SORT:
       return makeNode(type, sizeof(SNode));
+    case QUERY_NODE_PHYSICAL_PLAN_INTERVAL:
+      return makeNode(type, sizeof(SIntervalPhysiNode));
     case QUERY_NODE_PHYSICAL_PLAN_DISPATCH:
       return makeNode(type, sizeof(SDataDispatcherNode));
     case QUERY_NODE_PHYSICAL_PLAN_INSERT:
diff --git a/source/libs/parser/inc/sql.y b/source/libs/parser/inc/sql.y
index 310da2e966c0d1ac6f3b68a018a08e458d1bae20..f4ed3d85978a537ff676ad69642c2bd354c3ed68 100644
--- a/source/libs/parser/inc/sql.y
+++ b/source/libs/parser/inc/sql.y
@@ -198,7 +198,7 @@ col_name(A) ::= column_name(B).
 cmd ::= SHOW VGROUPS.                                                             { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_VGROUPS_STMT, NULL); }
 cmd ::= SHOW db_name(B) NK_DOT VGROUPS.                                           { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_VGROUPS_STMT, &B); }
 
-/************************************************ show vgroups ********************************************************/
+/************************************************ show mnodes *********************************************************/
 cmd ::= SHOW MNODES.                                                             { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_MNODES_STMT, NULL); }
 
 /************************************************ select **************************************************************/
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 4be4e25eb87b7e73a37ee484a0d6f5ded2662fad..f6b8853017a1dcbf38e3f8a856954fb913dbb3dd 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -708,9 +708,17 @@ static int32_t translateGroupBy(STranslateContext* pCxt, SNodeList* pGroupByList
   return translateExprList(pCxt, pGroupByList);
 }
 
+static int32_t doTranslateWindow(STranslateContext* pCxt, SNode* pWindow) {
+  return TSDB_CODE_SUCCESS;
+}
+
 static int32_t translateWindow(STranslateContext* pCxt, SNode* pWindow) {
   pCxt->currClause = SQL_CLAUSE_WINDOW;
-  return translateExpr(pCxt, pWindow);
+  int32_t code = translateExpr(pCxt, pWindow);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = doTranslateWindow(pCxt, pWindow);
+  }
+  return code;
 }
 
 static int32_t translatePartitionBy(STranslateContext* pCxt, SNodeList* pPartitionByList) {
diff --git a/source/libs/parser/test/parserAstTest.cpp b/source/libs/parser/test/parserAstTest.cpp
index f9a2bafe1066f522d3c880155643523e89acdf56..d30c21cc2113355e3671d8e53ad0b1aece63454e 100644
--- a/source/libs/parser/test/parserAstTest.cpp
+++ b/source/libs/parser/test/parserAstTest.cpp
@@ -183,6 +183,13 @@ TEST_F(ParserTest, selectClause) {
   ASSERT_TRUE(run());
 }
 
+TEST_F(ParserTest, selectWindow) {
+  setDatabase("root", "test");
+
+  bind("SELECT count(*) FROM t1 interval(10s)");
+  ASSERT_TRUE(run());
+}
+
 TEST_F(ParserTest, selectSyntaxError) {
   setDatabase("root", "test");
 
diff --git a/source/libs/planner/src/planLogicCreater.c b/source/libs/planner/src/planLogicCreater.c
index 543bc055549ea182ce8d583c779d2063f15e5fbf..7520ea3c9e3c36d503d1358845d44bb42bf105a9 100644
--- a/source/libs/planner/src/planLogicCreater.c
+++ b/source/libs/planner/src/planLogicCreater.c
@@ -257,18 +257,6 @@ static SNodeList* createColumnByRewriteExps(SLogicPlanContext* pCxt, SNodeList*
   return cxt.pList;
 }
 
-static SLogicNode* createWindowLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect) {
-  if (NULL == pSelect->pWindow) {
-    return NULL;
-  }
-
-  SWindowLogicNode* pAgg = nodesMakeNode(QUERY_NODE_LOGIC_PLAN_WINDOW);
-  CHECK_ALLOC(pAgg, NULL);
-  pAgg->node.id = pCxt->planNodeId++;
-
-
-}
-
 static SLogicNode* createAggLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect) {
   SNodeList* pAggFuncs = NULL;
   CHECK_CODE(nodesCollectFuncs(pSelect, fmIsAggFunc, &pAggFuncs), NULL);
@@ -316,6 +304,50 @@ static SLogicNode* createAggLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSel
   return (SLogicNode*)pAgg;
 }
 
+static SLogicNode* createWindowLogicNodeByInterval(SLogicPlanContext* pCxt, SIntervalWindowNode* pInterval, SSelectStmt* pSelect) {
+  SWindowLogicNode* pWindow = nodesMakeNode(QUERY_NODE_LOGIC_PLAN_WINDOW);
+  CHECK_ALLOC(pWindow, NULL);
+  pWindow->node.id = pCxt->planNodeId++;
+
+  pWindow->winType = WINDOW_TYPE_INTERVAL;
+  pWindow->interval = ((SValueNode*)pInterval->pInterval)->datum.i;
+  pWindow->offset = (NULL != pInterval->pOffset ? ((SValueNode*)pInterval->pOffset)->datum.i : 0);
+  pWindow->sliding = (NULL != pInterval->pSliding ? ((SValueNode*)pInterval->pSliding)->datum.i : 0);
+  if (NULL != pInterval->pFill) {
+    pWindow->pFill = nodesCloneNode(pInterval->pFill);
+    CHECK_ALLOC(pWindow->pFill, (SLogicNode*)pWindow);
+  }
+
+  SNodeList* pFuncs = NULL;
+  CHECK_CODE(nodesCollectFuncs(pSelect, fmIsAggFunc, &pFuncs), NULL);
+  if (NULL != pFuncs) {
+    pWindow->pFuncs = nodesCloneList(pFuncs);
+    CHECK_ALLOC(pWindow->pFuncs, (SLogicNode*)pWindow);
+  }
+
+  CHECK_CODE(rewriteExpr(pWindow->node.id, 1, pWindow->pFuncs, pSelect, SQL_CLAUSE_WINDOW), (SLogicNode*)pWindow);
+
+  pWindow->node.pTargets = createColumnByRewriteExps(pCxt, pWindow->pFuncs);
+  CHECK_ALLOC(pWindow->node.pTargets, (SLogicNode*)pWindow);
+
+  return (SLogicNode*)pWindow;
+}
+
+static SLogicNode* createWindowLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect) {
+  if (NULL == pSelect->pWindow) {
+    return NULL;
+  }
+
+  switch (nodeType(pSelect->pWindow)) {
+    case QUERY_NODE_INTERVAL_WINDOW:
+      return createWindowLogicNodeByInterval(pCxt, (SIntervalWindowNode*)pSelect->pWindow, pSelect);    
+    default:
+      break;
+  }
+
+  return NULL;
+}
+
 static SNodeList* createColumnByProjections(SLogicPlanContext* pCxt, SNodeList* pExprs) {
   SNodeList* pList = nodesMakeList();
   CHECK_ALLOC(pList, NULL);
diff --git a/source/libs/planner/src/planPhysiCreater.c b/source/libs/planner/src/planPhysiCreater.c
index 5af26b3e32cf6168b79aa1da7194f786d42c3665..7b7dd26df1a985463f915408f8984d00f245653f 100644
--- a/source/libs/planner/src/planPhysiCreater.c
+++ b/source/libs/planner/src/planPhysiCreater.c
@@ -473,14 +473,58 @@ static SPhysiNode* createExchangePhysiNode(SPhysiPlanContext* pCxt, SExchangeLog
   return (SPhysiNode*)pExchange;
 }
 
+static SPhysiNode* createIntervalPhysiNode(SPhysiPlanContext* pCxt, SNodeList* pChildren, SWindowLogicNode* pWindowLogicNode) {
+  SIntervalPhysiNode* pInterval = (SIntervalPhysiNode*)makePhysiNode(pCxt, QUERY_NODE_PHYSICAL_PLAN_INTERVAL);
+  CHECK_ALLOC(pInterval, NULL);
+
+  pInterval->interval = pWindowLogicNode->interval;
+  pInterval->offset = pWindowLogicNode->offset;
+  pInterval->sliding = pWindowLogicNode->sliding;
+  pInterval->pFill = nodesCloneNode(pWindowLogicNode->pFill);
+
+  SNodeList* pPrecalcExprs = NULL;
+  SNodeList* pFuncs = NULL;
+  CHECK_CODE(rewritePrecalcExprs(pCxt, pWindowLogicNode->pFuncs, &pPrecalcExprs, &pFuncs), (SPhysiNode*)pInterval);
+
+  SDataBlockDescNode* pChildTupe = (((SPhysiNode*)nodesListGetNode(pChildren, 0))->pOutputDataBlockDesc);
+  // push down expression to pOutputDataBlockDesc of child node
+  if (NULL != pPrecalcExprs) {
+    pInterval->pExprs = setListSlotId(pCxt, pChildTupe->dataBlockId, -1, pPrecalcExprs);
+    CHECK_ALLOC(pInterval->pExprs, (SPhysiNode*)pInterval);
+    CHECK_CODE(addDataBlockDesc(pCxt, pInterval->pExprs, pChildTupe), (SPhysiNode*)pInterval);
+  }
+
+  if (NULL != pFuncs) {
+    pInterval->pFuncs = setListSlotId(pCxt, pChildTupe->dataBlockId, -1, pFuncs);
+    CHECK_ALLOC(pInterval->pFuncs, (SPhysiNode*)pInterval);
+    CHECK_CODE(addDataBlockDesc(pCxt, pInterval->pFuncs, pInterval->node.pOutputDataBlockDesc), (SPhysiNode*)pInterval);
+  }
+
+  CHECK_CODE(setSlotOutput(pCxt, pWindowLogicNode->node.pTargets, pInterval->node.pOutputDataBlockDesc), (SPhysiNode*)pInterval);
+
+  return (SPhysiNode*)pInterval;
+}
+
+static SPhysiNode* createWindowPhysiNode(SPhysiPlanContext* pCxt, SNodeList* pChildren, SWindowLogicNode* pWindowLogicNode) {
+  switch (pWindowLogicNode->winType) {
+    case WINDOW_TYPE_INTERVAL:
+      return createIntervalPhysiNode(pCxt, pChildren, pWindowLogicNode);
+    case WINDOW_TYPE_SESSION:
+    case WINDOW_TYPE_STATE:
+      break;
+    default:
+      break;
+  }
+  return NULL;
+}
+
 static SPhysiNode* createPhysiNode(SPhysiPlanContext* pCxt, SSubplan* pSubplan, SLogicNode* pLogicPlan) {
   SNodeList* pChildren = nodesMakeList();
   CHECK_ALLOC(pChildren, NULL);
 
   SNode* pLogicChild;
   FOREACH(pLogicChild, pLogicPlan->pChildren) {
-    SNode* pChildPhyNode = (SNode*)createPhysiNode(pCxt, pSubplan, (SLogicNode*)pLogicChild);
-    if (TSDB_CODE_SUCCESS != nodesListAppend(pChildren, pChildPhyNode)) {
+    if (TSDB_CODE_SUCCESS != nodesListStrictAppend(pChildren, createPhysiNode(pCxt, pSubplan, (SLogicNode*)pLogicChild))) {
       pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
       nodesDestroyList(pChildren);
       return NULL;
@@ -504,6 +548,9 @@ static SPhysiNode* createPhysiNode(SPhysiPlanContext* pCxt, SSubplan* pSubplan,
     case QUERY_NODE_LOGIC_PLAN_EXCHANGE:
       pPhyNode = createExchangePhysiNode(pCxt, (SExchangeLogicNode*)pLogicPlan);
       break;
+    case QUERY_NODE_LOGIC_PLAN_WINDOW:
+      pPhyNode = createWindowPhysiNode(pCxt, pChildren, (SWindowLogicNode*)pLogicPlan);
+      break;
     default:
       break;
   }
diff --git a/source/libs/planner/test/plannerTest.cpp b/source/libs/planner/test/plannerTest.cpp
index 3748d37d742d0593e00ff6acc16a2f77b273b1cc..b2760c2c4d756eb87abadb87d428fe8df05b278b 100644
--- a/source/libs/planner/test/plannerTest.cpp
+++ b/source/libs/planner/test/plannerTest.cpp
@@ -166,3 +166,10 @@ TEST_F(PlannerTest, subquery) {
   bind("SELECT count(*) FROM (SELECT c1 + c3 a, c1 + count(*) b FROM t1 where c2 = 'abc' GROUP BY c1, c3) where a > 100 group by b");
   ASSERT_TRUE(run());
 }
+
+TEST_F(PlannerTest, interval) {
+  setDatabase("root", "test");
+
+  bind("SELECT count(*) FROM t1 interval(10s)");
+  ASSERT_TRUE(run());
+}