diff --git a/source/dnode/vnode/src/inc/tq.h b/source/dnode/vnode/src/inc/tq.h
index ad3f8cc869..06ff6329e0 100644
--- a/source/dnode/vnode/src/inc/tq.h
+++ b/source/dnode/vnode/src/inc/tq.h
@@ -96,7 +96,8 @@ struct STQ {
   SHashObj* pStreamTasks;
   SVnode*   pVnode;
   SWal*     pWal;
-  TDB*      pTdb;
+  TDB*      pMetaStore;
+  TTB*      pExecStore;
 };
 
 typedef struct {
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index bd48ed9b4c..979db9169e 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -14,6 +14,7 @@
  */
 
 #include "tq.h"
+#include "tdbInt.h"
 
 int32_t tqInit() {
   int8_t old;
@@ -46,6 +47,10 @@ void tqCleanUp() {
   }
 }
 
+int tqExecKeyCompare(const void* pKey1, int32_t kLen1, const void* pKey2, int32_t kLen2) {
+  return strcmp(pKey1, pKey2);
+}
+
 STQ* tqOpen(const char* path, SVnode* pVnode, SWal* pWal) {
   STQ* pTq = taosMemoryMalloc(sizeof(STQ));
   if (pTq == NULL) {
@@ -55,9 +60,6 @@ STQ* tqOpen(const char* path, SVnode* pVnode, SWal* pWal) {
   pTq->path = strdup(path);
   pTq->pVnode = pVnode;
   pTq->pWal = pWal;
-  if (tdbOpen(path, 4096, 1, &pTq->pTdb) < 0) {
-    ASSERT(0);
-  }
 
   pTq->execs = taosHashInit(64, MurmurHash3_32, true, HASH_ENTRY_LOCK);
 
@@ -65,6 +67,43 @@ STQ* tqOpen(const char* path, SVnode* pVnode, SWal* pWal) {
 
   pTq->pushMgr = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, HASH_ENTRY_LOCK);
 
+  if (tdbOpen(path, 16 * 1024, 1, &pTq->pMetaStore) < 0) {
+    ASSERT(0);
+  }
+
+  if (tdbTbOpen("exec", -1, -1, tqExecKeyCompare, pTq->pMetaStore, &pTq->pExecStore) < 0) {
+    ASSERT(0);
+  }
+
+  TXN txn;
+
+  if (tdbTxnOpen(&txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, 0) < 0) {
+    ASSERT(0);
+  }
+
+  /*if (tdbBegin(pTq->pMetaStore, &txn) < 0) {*/
+  /*ASSERT(0);*/
+  /*}*/
+
+  TBC* pCur;
+  if (tdbTbcOpen(pTq->pExecStore, &pCur, &txn) < 0) {
+    ASSERT(0);
+  }
+
+  void* pKey;
+  int   kLen;
+  void* pVal;
+  int   vLen;
+
+  tdbTbcMoveToFirst(pCur);
+  while (tdbTbcNext(pCur, &pKey, &kLen, &pVal, &vLen) == 0) {
+    // create, put into execsj
+  }
+
+  if (tdbTxnClose(&txn) < 0) {
+    ASSERT(0);
+  }
+
   return pTq;
 }
 
@@ -74,7 +113,7 @@ void tqClose(STQ* pTq) {
     taosHashCleanup(pTq->execs);
     taosHashCleanup(pTq->pStreamTasks);
     taosHashCleanup(pTq->pushMgr);
-    tdbClose(pTq->pTdb);
+    tdbClose(pTq->pMetaStore);
     taosMemoryFree(pTq);
   }
   // TODO
@@ -91,7 +130,6 @@ int32_t tEncodeSTqExec(SEncoder* pEncoder, const STqExec* pExec) {
   if (tEncodeI8(pEncoder, pExec->withTag) < 0) return -1;
   if (pExec->subType == TOPIC_SUB_TYPE__TABLE) {
     if (tEncodeCStr(pEncoder, pExec->qmsg) < 0) return -1;
-    // TODO encode modified exec
   }
   tEndEncode(pEncoder);
   return pEncoder->pos;
@@ -108,7 +146,6 @@ int32_t tDecodeSTqExec(SDecoder* pDecoder, STqExec* pExec) {
   if (tDecodeI8(pDecoder, &pExec->withTag) < 0) return -1;
   if (pExec->subType == TOPIC_SUB_TYPE__TABLE) {
     if (tDecodeCStrAlloc(pDecoder, &pExec->qmsg) < 0) return -1;
-    // TODO decode modified exec
   }
   tEndDecode(pDecoder);
   return 0;
@@ -556,6 +593,23 @@ int32_t tqProcessVgDeleteReq(STQ* pTq, char* msg, int32_t msgLen) {
 
   int32_t code = taosHashRemove(pTq->execs, pReq->subKey, strlen(pReq->subKey));
   ASSERT(code == 0);
+
+  TXN txn;
+
+  if (tdbTxnOpen(&txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) < 0) {
+    ASSERT(0);
+  }
+
+  if (tdbBegin(pTq->pMetaStore, &txn) < 0) {
+    ASSERT(0);
+  }
+
+  tdbTbDelete(pTq->pExecStore, pReq->subKey, (int)strlen(pReq->subKey), &txn);
+
+  if (tdbCommit(pTq->pMetaStore, &txn) < 0) {
+    ASSERT(0);
+  }
+
   return 0;
 }
 
@@ -604,6 +658,45 @@ int32_t tqProcessVgChangeReq(STQ* pTq, char* msg, int32_t msgLen) {
       pExec->pDropTbUid = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_NO_LOCK);
     }
     taosHashPut(pTq->execs, req.subKey, strlen(req.subKey), pExec, sizeof(STqExec));
+
+    int32_t code;
+    int32_t vlen;
+    tEncodeSize(tEncodeSTqExec, pExec, vlen, code);
+    ASSERT(code == 0);
+
+    void* buf = taosMemoryCalloc(1, vlen);
+    if (buf == NULL) {
+      ASSERT(0);
+    }
+
+    SEncoder encoder;
+    tEncoderInit(&encoder, buf, vlen);
+
+    if (tEncodeSTqExec(&encoder, pExec) < 0) {
+      ASSERT(0);
+    }
+
+    TXN txn;
+
+    if (tdbTxnOpen(&txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) < 0) {
+      ASSERT(0);
+    }
+
+    if (tdbBegin(pTq->pMetaStore, &txn) < 0) {
+      ASSERT(0);
+    }
+
+    if (tdbTbUpsert(pTq->pExecStore, req.subKey, (int)strlen(req.subKey), buf, vlen, &txn) < 0) {
+      ASSERT(0);
+    }
+
+    if (tdbCommit(pTq->pMetaStore, &txn) < 0) {
+      ASSERT(0);
+    }
+
+    tEncoderClear(&encoder);
+    taosMemoryFree(buf);
+
     return 0;
   } else {
     /*if (req.newConsumerId != -1) {*/
diff --git a/source/dnode/vnode/src/tq/tqRead.c b/source/dnode/vnode/src/tq/tqRead.c
index be8d786de2..9f4c5fc81e 100644
--- a/source/dnode/vnode/src/tq/tqRead.c
+++ b/source/dnode/vnode/src/tq/tqRead.c
@@ -83,11 +83,11 @@ bool tqNextDataBlockFilterOut(STqReadHandle* pHandle, SHashObj* filterOutUids) {
 
 int32_t tqRetrieveDataBlock(SArray** ppCols, STqReadHandle* pHandle, uint64_t* pGroupId, uint64_t* pUid,
                             int32_t* pNumOfRows, int16_t* pNumOfCols) {
-  /*int32_t         sversion = pHandle->pBlock->sversion;*/
-  // TODO set to real sversion
   *pUid = 0;
 
-  int32_t sversion = 1;
+  // TODO set to real sversion
+  /*int32_t sversion = 1;*/
+  int32_t sversion = htonl(pHandle->pBlock->sversion);
   if (pHandle->sver != sversion || pHandle->cachedSchemaUid != pHandle->msgIter.suid) {
     pHandle->pSchema = metaGetTbTSchema(pHandle->pVnodeMeta, pHandle->msgIter.uid, sversion);
     if (pHandle->pSchema == NULL) {