diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 7d6a5c30da83dc315167fa58ab4da24e815a1992..e062cc61f69e7c2bea2f52b5f15dbcde9437076f 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -204,8 +204,9 @@ static int32_t validateParamOfRelationIn(tVariant *pVar, int32_t colType) {
   if (pVar->nType != TSDB_DATA_TYPE_BINARY) {
     return -1; 
   }
-  SBufferReader br = tbufInitReader(pVar->pz, pVar->nLen, false); 
-  return tbufReadUint32(&br) == colType ? 0: -1;     
+  return 0;
+  //SBufferReader br = tbufInitReader(pVar->pz, pVar->nLen, false); 
+  //return tbufReadUint32(&br) == colType ? 0: -1;     
 }
 
 static uint8_t convertOptr(SStrToken *pToken) {
@@ -243,6 +244,8 @@ static uint8_t convertOptr(SStrToken *pToken) {
       return TSDB_RELATION_ISNULL;
     case TK_NOTNULL:
       return TSDB_RELATION_NOTNULL;
+    case TK_IN:
+      return TSDB_RELATION_IN;
     default: { return 0; }
   }
 }
@@ -4507,7 +4510,11 @@ static int32_t validateTagCondExpr(SSqlCmd* pCmd, tExprNode *p) {
       free(tmp);
     } else {
       double tmp;
-      retVal = tVariantDump(vVariant, (char*)&tmp, schemaType, false);
+      if (p->_node.optr == TSDB_RELATION_IN) {
+        retVal = validateParamOfRelationIn(vVariant, schemaType);
+      } else {
+        retVal = tVariantDump(vVariant, (char*)&tmp, schemaType, false);
+      }
     }
     
     if (retVal != TSDB_CODE_SUCCESS) {
@@ -7998,6 +8005,14 @@ int32_t exprTreeFromSqlExpr(SSqlCmd* pCmd, tExprNode **pExpr, const tSqlExpr* pS
       }
       
       return TSDB_CODE_SUCCESS;
+    } else if (pSqlExpr->tokenId == TK_SET) {
+      tVariant *pVal;
+      if (serializeExprListToVariant(pSqlExpr->pParam, &pVal) == false) {
+        return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), "not support filter expression");
+      }
+      *pExpr = calloc(1, sizeof(tExprNode));
+      (*pExpr)->nodeType = TSQL_NODE_VALUE;
+      (*pExpr)->pVal = pVal;
     } else {
       return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), "not support filter expression");
     }
diff --git a/src/common/src/texpr.c b/src/common/src/texpr.c
index 0805eff9ffbcccf619092340da3037e097a9e82a..2690c18e5ec3b2a3d542c158f976427e834b84b5 100644
--- a/src/common/src/texpr.c
+++ b/src/common/src/texpr.c
@@ -479,10 +479,13 @@ void buildFilterSetFromBinary(void **q, const char *buf, int32_t len) {
     } else if (type == TSDB_DATA_TYPE_DOUBLE || type == TSDB_DATA_TYPE_FLOAT) {
       double  val = tbufReadDouble(&br);
       taosHashPut(pObj, (char *)&val, sizeof(val), &dummy, sizeof(dummy));
-    } else if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) {
+    } else if (type == TSDB_DATA_TYPE_BINARY) {
       size_t  t = 0;
       const char *val = tbufReadBinary(&br, &t);
+      
       taosHashPut(pObj, (char *)val, t, &dummy, sizeof(dummy));
+    } else if (type == TSDB_DATA_TYPE_NCHAR) {
+      
     }
   } 
   *q = (void *)pObj;
diff --git a/src/query/src/qFilterfunc.c b/src/query/src/qFilterfunc.c
index 7769ec4a574f74e049f971bcbff41978c4c15e97..5e16107f705fd16d9e6fa950fb08c8dba39d3b12 100644
--- a/src/query/src/qFilterfunc.c
+++ b/src/query/src/qFilterfunc.c
@@ -266,8 +266,10 @@ bool inOperator(SColumnFilterElem *pFilter, const char* minval, const char* maxv
     double v;
     GET_TYPED_DATA(v, double, type, minval);
     return NULL != taosHashGet((SHashObj *)pFilter->q, (char *)&v, sizeof(v));     
-  } else if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR){
-    return NULL != taosHashGet((SHashObj *)pFilter->q, varDataVal(minval), varDataLen(minval));        
+  } else if (type == TSDB_DATA_TYPE_BINARY) {
+     return NULL != taosHashGet((SHashObj *)pFilter->q, varDataVal(minval), varDataLen(minval));        
+  } else if (type == TSDB_DATA_TYPE_NCHAR){
+     return NULL != taosHashGet((SHashObj *)pFilter->q, varDataVal(minval), varDataLen(minval)/TSDB_NCHAR_SIZE);        
   }     
    
   return false;