add backend

source/libs/stream/src/streamStateRocksdb.c

@@ -682,6 +682,35 @@ SStreamStateCur* streamStateGetCur_rocksdb(SStreamState* pState, const SWinKey*
   streamStateFreeCur(pCur);
   return NULL;
 }
+
+SStreamStateCur* streamStateGetAndCheckCur_rocksdb(SStreamState* pState, SWinKey* key) {
+  qDebug("streamStateGetAndCheckCur_rocksdb");
+  SStreamStateCur* pCur = streamStateFillGetCur_rocksdb(pState, key);
+  if (pCur) {
+    int32_t code = streamStateGetGroupKVByCur_rocksdb(pCur, key, NULL, 0);
+    if (code == 0) return pCur;
+    streamStateFreeCur(pCur);
+  }
+  return NULL;
+}
+int32_t streamStateGetKVByCur_rocksdb(SStreamStateCur* pCur, SWinKey* pKey, const void** pVal, int32_t* pVLen) {
+  qDebug("streamStateGetKVByCur_rocksdb");
+  if (!pCur) return -1;
+  SStateKey  tkey;
+  SStateKey* pKtmp = &tkey;
+
+  if (rocksdb_iter_valid(pCur->iter)) {
+    size_t tlen;
+    char*  keyStr = (char*)rocksdb_iter_key(pCur->iter, &tlen);
+    stateKeyDecode((void*)pKtmp, keyStr);
+    if (pKtmp->opNum != pCur->number) {
+      return -1;
+    }
+    *pKey = pKtmp->key;
+    return 0;
+  }
+  return -1;
+}
 SStreamStateCur* streamStateFillGetCur_rocksdb(SStreamState* pState, const SWinKey* key) {
   qDebug("streamStateFillGetCur_rocksdb");
   SStreamStateCur* pCur = taosMemoryCalloc(1, sizeof(SStreamStateCur));
@@ -691,7 +720,7 @@ SStreamStateCur* streamStateFillGetCur_rocksdb(SStreamState* pState, const SWinK
   pCur->iter =
       rocksdb_create_iterator_cf(pState->pTdbState->rocksdb, pState->pTdbState->ropts, pState->pTdbState->pHandle[1]);
   char buf[128] = {0};
-  int  len = winKeyDecode((void*)key, buf);
+  int  len = winKeyEncode((void*)key, buf);
   rocksdb_iter_seek(pCur->iter, buf, len);
   if (!rocksdb_iter_valid(pCur->iter)) {
     rocksdb_iter_seek_for_prev(pCur->iter, buf, len);
@@ -713,34 +742,6 @@ SStreamStateCur* streamStateFillGetCur_rocksdb(SStreamState* pState, const SWinK
   streamStateFreeCur(pCur);
   return NULL;
 }
-SStreamStateCur* streamStateGetAndCheckCur_rocksdb(SStreamState* pState, SWinKey* key) {
-  qDebug("streamStateGetAndCheckCur_rocksdb");
-  SStreamStateCur* pCur = streamStateFillGetCur_rocksdb(pState, key);
-  if (pCur) {
-    int32_t code = streamStateGetGroupKVByCur_rocksdb(pCur, key, NULL, 0);
-    if (code == 0) return pCur;
-    streamStateFreeCur(pCur);
-  }
-  return NULL;
-}
-int32_t streamStateGetKVByCur_rocksdb(SStreamStateCur* pCur, SWinKey* pKey, const void** pVal, int32_t* pVLen) {
-  qDebug("streamStateGetKVByCur_rocksdb");
-  if (!pCur) return -1;
-  SStateKey  tkey;
-  SStateKey* pKtmp = &tkey;
-
-  if (rocksdb_iter_valid(pCur->iter)) {
-    size_t tlen;
-    char*  keyStr = (char*)rocksdb_iter_key(pCur->iter, &tlen);
-    stateKeyDecode((void*)pKtmp, keyStr);
-    if (pKtmp->opNum != pCur->number) {
-      return -1;
-    }
-    *pKey = pKtmp->key;
-    return 0;
-  }
-  return -1;
-}
 int32_t streamStateFillGetKVByCur_rocksdb(SStreamStateCur* pCur, SWinKey* pKey, const void** pVal, int32_t* pVLen) {
   qDebug("streamStateFillGetKVByCur_rocksdb");
   if (!pCur) {