Merge pull request #9544 from taosdata/feature/index_cache

fix fst bug

source/libs/index/inc/indexInt.h

@@ -108,8 +108,17 @@ void iterateValueDestroy(IterateValue* iv, bool destroy);
 
 extern void* indexQhandle;
 
+typedef struct TFileCacheKey {
+  uint64_t suid;
+  uint8_t  colType;
+  char*    colName;
+  int32_t  nColName;
+} ICacheKey;
+
 int indexFlushCacheTFile(SIndex* sIdx, void*);
 
+int32_t indexSerialCacheKey(ICacheKey* key, char* buf);
+
 #define indexFatal(...)                                                               \
   do {                                                                                \
     if (sDebugFlag & DEBUG_FATAL) { taosPrintLog("index FATAL ", 255, __VA_ARGS__); } \

source/libs/index/inc/index_cache.h

@@ -42,6 +42,7 @@ typedef struct IndexCache {
   int32_t   version;
   int32_t   nTerm;
   int8_t    type;
+  uint64_t  suid;
 
   pthread_mutex_t mtx;
 } IndexCache;
@@ -58,7 +59,7 @@ typedef struct CacheTerm {
 } CacheTerm;
 //
 
-IndexCache* indexCacheCreate(SIndex* idx, const char* colName, int8_t type);
+IndexCache* indexCacheCreate(SIndex* idx, uint64_t suid, const char* colName, int8_t type);
 
 void indexCacheDestroy(void* cache);
 

source/libs/index/inc/index_tfile.h

@@ -49,13 +49,6 @@ typedef struct TFileValue {
   int32_t offset;
 } TFileValue;
 
-typedef struct TFileCacheKey {
-  uint64_t suid;
-  uint8_t  colType;
-  char*    colName;
-  int32_t  nColName;
-} TFileCacheKey;
-
 // table cache
 // refactor to LRU cache later
 typedef struct TFileCache {
@@ -103,10 +96,10 @@ typedef struct TFileReaderOpt {
 // tfile cache, manage tindex reader
 TFileCache*  tfileCacheCreate(const char* path);
 void         tfileCacheDestroy(TFileCache* tcache);
-TFileReader* tfileCacheGet(TFileCache* tcache, TFileCacheKey* key);
-void         tfileCachePut(TFileCache* tcache, TFileCacheKey* key, TFileReader* reader);
+TFileReader* tfileCacheGet(TFileCache* tcache, ICacheKey* key);
+void         tfileCachePut(TFileCache* tcache, ICacheKey* key, TFileReader* reader);
 
-TFileReader* tfileGetReaderByCol(IndexTFile* tf, char* colName);
+TFileReader* tfileGetReaderByCol(IndexTFile* tf, uint64_t suid, char* colName);
 
 TFileReader* tfileReaderOpen(char* path, uint64_t suid, int32_t version, const char* colName);
 TFileReader* tfileReaderCreate(WriterCtx* ctx);
@@ -124,6 +117,7 @@ int          tfileWriterFinish(TFileWriter* tw);
 
 //
 IndexTFile* indexTFileCreate(const char* path);
+void        indexTFileDestroy(IndexTFile* tfile);
 int         indexTFilePut(void* tfile, SIndexTerm* term, uint64_t uid);
 int         indexTFileSearch(void* tfile, SIndexTermQuery* query, SArray* result);
 

source/libs/index/inc/index_util.h

@@ -34,7 +34,7 @@ extern "C" {
 #define SERIALIZE_VAR_TO_BUF(buf, var, type)  \
   do {                                        \
     type c = var;                             \
-    assert(sizeof(var) == sizeof(type));      \
+    assert(sizeof(type) == sizeof(c));        \
     memcpy((void*)buf, (void*)&c, sizeof(c)); \
     buf += sizeof(c);                         \
   } while (0)

source/libs/index/src/index.c

@@ -17,6 +17,7 @@
 #include "indexInt.h"
 #include "index_cache.h"
 #include "index_tfile.h"
+#include "index_util.h"
 #include "tdef.h"
 #include "tsched.h"
 
@@ -102,6 +103,7 @@ void indexClose(SIndex* sIdx) {
   }
   taosHashCleanup(sIdx->colObj);
   pthread_mutex_destroy(&sIdx->mtx);
+  indexTFileDestroy(sIdx->tindex);
 #endif
   free(sIdx->path);
   free(sIdx);
@@ -131,17 +133,27 @@ int indexPut(SIndex* index, SIndexMultiTerm* fVals, uint64_t uid) {
   pthread_mutex_lock(&index->mtx);
   for (int i = 0; i < taosArrayGetSize(fVals); i++) {
     SIndexTerm* p = taosArrayGetP(fVals, i);
-    IndexCache** cache = taosHashGet(index->colObj, p->colName, p->nColName);
+
+    char      buf[128] = {0};
+    ICacheKey key = {.suid = p->suid, .colName = p->colName};
+    int32_t   sz = indexSerialCacheKey(&key, buf);
+
+    IndexCache** cache = taosHashGet(index->colObj, buf, sz);
     if (cache == NULL) {
-      IndexCache* pCache = indexCacheCreate(index, p->colName, p->colType);
-      taosHashPut(index->colObj, p->colName, p->nColName, &pCache, sizeof(void*));
+      IndexCache* pCache = indexCacheCreate(index, p->suid, p->colName, p->colType);
+      taosHashPut(index->colObj, buf, sz, &pCache, sizeof(void*));
     }
   }
   pthread_mutex_unlock(&index->mtx);
 
   for (int i = 0; i < taosArrayGetSize(fVals); i++) {
     SIndexTerm* p = taosArrayGetP(fVals, i);
-    IndexCache** cache = taosHashGet(index->colObj, p->colName, p->nColName);
+
+    char      buf[128] = {0};
+    ICacheKey key = {.suid = p->suid, .colName = p->colName};
+    int32_t   sz = indexSerialCacheKey(&key, buf);
+
+    IndexCache** cache = taosHashGet(index->colObj, buf, sz);
     assert(*cache != NULL);
     int ret = indexCachePut(*cache, p, uid);
     if (ret != 0) { return ret; }
@@ -296,7 +308,12 @@ static int indexTermSearch(SIndex* sIdx, SIndexTermQuery* query, SArray** result
   // Get col info
   IndexCache* cache = NULL;
   pthread_mutex_lock(&sIdx->mtx);
-  IndexCache** pCache = taosHashGet(sIdx->colObj, colName, nColName);
+
+  char      buf[128] = {0};
+  ICacheKey key = {.suid = term->suid, .colName = term->colName};
+  int32_t   sz = indexSerialCacheKey(&key, buf);
+
+  IndexCache** pCache = taosHashGet(sIdx->colObj, buf, sz);
   if (pCache == NULL) {
     pthread_mutex_unlock(&sIdx->mtx);
     return -1;
@@ -360,6 +377,7 @@ static void indexMergeSameKey(SArray* result, TFileValue* tv) {
   if (sz > 0) {
     // TODO(yihao): remove duplicate tableid
     TFileValue* lv = taosArrayGetP(result, sz - 1);
+    // indexError("merge colVal: %s", lv->colVal);
     if (strcmp(lv->colVal, tv->colVal) == 0) {
       taosArrayAddAll(lv->tableId, tv->tableId);
       tfileValueDestroy(tv);
@@ -368,6 +386,7 @@ static void indexMergeSameKey(SArray* result, TFileValue* tv) {
     }
   } else {
     taosArrayPush(result, &tv);
+    // indexError("merge colVal: %s", tv->colVal);
   }
 }
 static void indexDestroyTempResult(SArray* result) {
@@ -383,10 +402,12 @@ int indexFlushCacheTFile(SIndex* sIdx, void* cache) {
   indexWarn("suid %" PRIu64 " merge cache into tindex", sIdx->suid);
 
   IndexCache*  pCache = (IndexCache*)cache;
-  TFileReader* pReader = tfileGetReaderByCol(sIdx->tindex, pCache->colName);
+  TFileReader* pReader = tfileGetReaderByCol(sIdx->tindex, pCache->suid, pCache->colName);
+  if (pReader == NULL) { indexWarn("empty pReader found"); }
   // handle flush
   Iterate* cacheIter = indexCacheIteratorCreate(pCache);
   Iterate* tfileIter = tfileIteratorCreate(pReader);
+  if (tfileIter == NULL) { indexWarn("empty tfile reader iterator"); }
 
   SArray* result = taosArrayInit(1024, sizeof(void*));
 
@@ -459,14 +480,14 @@ void iterateValueDestroy(IterateValue* value, bool destroy) {
   } else {
     if (value->val != NULL) { taosArrayClear(value->val); }
   }
-  // free(value->colVal);
+  free(value->colVal);
   value->colVal = NULL;
 }
 static int indexGenTFile(SIndex* sIdx, IndexCache* cache, SArray* batch) {
   int32_t version = CACHE_VERSION(cache);
   uint8_t colType = cache->type;
 
-  TFileWriter* tw = tfileWriterOpen(sIdx->path, sIdx->suid, version, cache->colName, colType);
+  TFileWriter* tw = tfileWriterOpen(sIdx->path, cache->suid, version, cache->colName, colType);
   if (tw == NULL) {
     indexError("failed to open file to write");
     return -1;
@@ -479,14 +500,13 @@ static int indexGenTFile(SIndex* sIdx, IndexCache* cache, SArray* batch) {
   }
   tfileWriterClose(tw);
 
-  TFileReader* reader = tfileReaderOpen(sIdx->path, sIdx->suid, version, cache->colName);
+  TFileReader* reader = tfileReaderOpen(sIdx->path, cache->suid, version, cache->colName);
 
   char         buf[128] = {0};
   TFileHeader* header = &reader->header;
-  TFileCacheKey key = {.suid = header->suid,
-                       .colName = header->colName,
-                       .nColName = strlen(header->colName),
-                       .colType = header->colType};
+  ICacheKey    key = {
+      .suid = cache->suid, .colName = header->colName, .nColName = strlen(header->colName), .colType = header->colType};
+
   pthread_mutex_lock(&sIdx->mtx);
 
   IndexTFile* ifile = (IndexTFile*)sIdx->tindex;
@@ -497,3 +517,13 @@ static int indexGenTFile(SIndex* sIdx, IndexCache* cache, SArray* batch) {
 END:
   tfileWriterClose(tw);
 }
+
+int32_t indexSerialCacheKey(ICacheKey* key, char* buf) {
+  char* p = buf;
+  SERIALIZE_MEM_TO_BUF(buf, key, suid);
+  SERIALIZE_VAR_TO_BUF(buf, '_', char);
+  // SERIALIZE_MEM_TO_BUF(buf, key, colType);
+  // SERIALIZE_VAR_TO_BUF(buf, '_', char);
+  SERIALIZE_STR_MEM_TO_BUF(buf, key, colName, key->nColName);
+  return buf - p;
+}

source/libs/index/src/index_cache.c

@@ -20,7 +20,7 @@
 
 #define MAX_INDEX_KEY_LEN 256  // test only, change later
 
-#define MEM_TERM_LIMIT 10000 * 10
+#define MEM_TERM_LIMIT 10 * 10000
 // ref index_cache.h:22
 //#define CACHE_KEY_LEN(p) \
 //  (sizeof(int32_t) + sizeof(uint16_t) + sizeof(p->colType) + sizeof(p->nColVal) + p->nColVal + sizeof(uint64_t) +
@@ -40,7 +40,7 @@ static bool indexCacheIteratorNext(Iterate* itera);
 
 static IterateValue* indexCacheIteratorGetValue(Iterate* iter);
 
-IndexCache* indexCacheCreate(SIndex* idx, const char* colName, int8_t type) {
+IndexCache* indexCacheCreate(SIndex* idx, uint64_t suid, const char* colName, int8_t type) {
   IndexCache* cache = calloc(1, sizeof(IndexCache));
   if (cache == NULL) {
     indexError("failed to create index cache");
@@ -53,7 +53,7 @@ IndexCache* indexCacheCreate(SIndex* idx, const char* colName, int8_t type) {
   cache->type = type;
   cache->index = idx;
   cache->version = 0;
-
+  cache->suid = suid;
   pthread_mutex_init(&cache->mtx, NULL);
   indexCacheRef(cache);
   return cache;
@@ -150,6 +150,7 @@ Iterate* indexCacheIteratorCreate(IndexCache* cache) {
 
   MemTable* tbl = cache->imm;
   iiter->val.val = taosArrayInit(1, sizeof(uint64_t));
+  iiter->val.colVal = NULL;
   iiter->iter = tbl != NULL ? tSkipListCreateIter(tbl->mem) : NULL;
   iiter->next = indexCacheIteratorNext;
   iiter->getValue = indexCacheIteratorGetValue;
@@ -353,6 +354,9 @@ static bool indexCacheIteratorNext(Iterate* itera) {
   SSkipListIterator* iter = itera->iter;
   if (iter == NULL) { return false; }
   IterateValue* iv = &itera->val;
+  if (iv->colVal != NULL && iv->val != NULL) {
+    // indexError("value in cache: colVal: %s, size: %d", iv->colVal, (int)taosArrayGetSize(iv->val));
+  }
   iterateValueDestroy(iv, false);
 
   bool next = tSkipListIterNext(iter);

source/libs/index/src/index_fst.c

@@ -319,7 +319,7 @@ void fstStateSetCommInput(FstState* s, uint8_t inp) {
   assert(s->state == OneTransNext || s->state == OneTrans);
 
   uint8_t val;
-  COMMON_INDEX(inp, 0x111111, val);
+  COMMON_INDEX(inp, 0b111111, val);
   s->val = (s->val & fstStateDict[s->state].val) | val;
 }
 
@@ -369,7 +369,7 @@ uint8_t fstStateInput(FstState* s, FstNode* node) {
   bool      null = false;
   uint8_t   inp = fstStateCommInput(s, &null);
   uint8_t*  data = fstSliceData(slice, NULL);
-  return null == false ? inp : data[-1];
+  return null == false ? inp : data[node->start - 1];
 }
 uint8_t fstStateInputForAnyTrans(FstState* s, FstNode* node, uint64_t i) {
   assert(s->state == AnyTrans);
@@ -1062,6 +1062,7 @@ Output fstEmptyFinalOutput(Fst* fst, bool* null) {
   } else {
     *null = true;
   }
+  fstNodeDestroy(node);
   return res;
 }
 
@@ -1286,6 +1287,7 @@ StreamWithStateResult* streamWithStateNextWith(StreamWithState* sws, StreamCallb
       StreamWithStateResult* result = swsResultCreate(&slice, fOutput, tState);
       free(buf);
       fstSliceDestroy(&slice);
+      taosArrayDestroy(nodes);
       return result;
     }
     free(buf);

source/libs/index/src/index_tfile.c

@@ -51,7 +51,6 @@ static void tfileDestroyFileName(void* elem);
 static int  tfileCompare(const void* a, const void* b);
 static int  tfileParseFileName(const char* filename, uint64_t* suid, int* colId, int* version);
 static void tfileGenFileName(char* filename, uint64_t suid, int colId, int version);
-static void tfileSerialCacheKey(TFileCacheKey* key, char* buf);
 
 TFileCache* tfileCacheCreate(const char* path) {
   TFileCache* tcache = calloc(1, sizeof(TFileCache));
@@ -83,15 +82,15 @@ TFileCache* tfileCacheCreate(const char* path) {
     char         buf[128] = {0};
     TFileReader* reader = tfileReaderCreate(wc);
     TFileHeader* header = &reader->header;
-    TFileCacheKey key = {.suid = header->suid,
+    ICacheKey    key = {.suid = header->suid,
                      .colName = header->colName,
                      .nColName = strlen(header->colName),
                      .colType = header->colType};
-    tfileSerialCacheKey(&key, buf);
 
+    int32_t sz = indexSerialCacheKey(&key, buf);
+    assert(sz < sizeof(buf));
+    taosHashPut(tcache->tableCache, buf, sz, &reader, sizeof(void*));
     tfileReaderRef(reader);
-    // indexTable
-    taosHashPut(tcache->tableCache, buf, strlen(buf), &reader, sizeof(void*));
   }
   taosArrayDestroyEx(files, tfileDestroyFileName);
   return tcache;
@@ -117,30 +116,30 @@ void tfileCacheDestroy(TFileCache* tcache) {
   free(tcache);
 }
 
-TFileReader* tfileCacheGet(TFileCache* tcache, TFileCacheKey* key) {
+TFileReader* tfileCacheGet(TFileCache* tcache, ICacheKey* key) {
   char    buf[128] = {0};
-  tfileSerialCacheKey(key, buf);
-
-  TFileReader** reader = taosHashGet(tcache->tableCache, buf, strlen(buf));
+  int32_t sz = indexSerialCacheKey(key, buf);
+  assert(sz < sizeof(buf));
+  TFileReader** reader = taosHashGet(tcache->tableCache, buf, sz);
   if (reader == NULL) { return NULL; }
   tfileReaderRef(*reader);
 
   return *reader;
 }
-void tfileCachePut(TFileCache* tcache, TFileCacheKey* key, TFileReader* reader) {
+void tfileCachePut(TFileCache* tcache, ICacheKey* key, TFileReader* reader) {
   char    buf[128] = {0};
-  tfileSerialCacheKey(key, buf);
+  int32_t sz = indexSerialCacheKey(key, buf);
   // remove last version index reader
-  TFileReader** p = taosHashGet(tcache->tableCache, buf, strlen(buf));
+  TFileReader** p = taosHashGet(tcache->tableCache, buf, sz);
   if (p != NULL) {
     TFileReader* oldReader = *p;
-    taosHashRemove(tcache->tableCache, buf, strlen(buf));
+    taosHashRemove(tcache->tableCache, buf, sz);
     oldReader->remove = true;
     tfileReaderUnRef(oldReader);
   }
 
+  taosHashPut(tcache->tableCache, buf, sz, &reader, sizeof(void*));
   tfileReaderRef(reader);
-  taosHashPut(tcache->tableCache, buf, strlen(buf), &reader, sizeof(void*));
   return;
 }
 TFileReader* tfileReaderCreate(WriterCtx* ctx) {
@@ -230,8 +229,6 @@ TFileReader* tfileReaderOpen(char* path, uint64_t suid, int32_t version, const c
 
   TFileReader* reader = tfileReaderCreate(wc);
   return reader;
-
-  // tfileSerialCacheKey(&key, buf);
 }
 TFileWriter* tfileWriterCreate(WriterCtx* ctx, TFileHeader* header) {
   // char pathBuf[128] = {0};
@@ -325,15 +322,19 @@ int tfileWriterPut(TFileWriter* tw, void* data, bool order) {
     tfileWriterClose(tw);
     return -1;
   }
-  // write fst
+
+  // write data
   indexError("--------Begin----------------");
   for (size_t i = 0; i < sz; i++) {
     // TODO, fst batch write later
     TFileValue* v = taosArrayGetP((SArray*)data, i);
-    if (tfileWriteData(tw, v) == 0) {
-      //
+    if (tfileWriteData(tw, v) != 0) {
+      indexError("failed to write data: %s, offset: %d len: %d", v->colVal, v->offset,
+                 (int)taosArrayGetSize(v->tableId));
+    } else {
+      indexInfo("success to write data: %s, offset: %d len: %d", v->colVal, v->offset,
+                (int)taosArrayGetSize(v->tableId));
     }
-    indexError("data: %s, offset: %d len: %d", v->colVal, v->offset, (int)taosArrayGetSize(v->tableId));
   }
   indexError("--------End----------------");
   fstBuilderFinish(tw->fb);
@@ -359,7 +360,7 @@ IndexTFile* indexTFileCreate(const char* path) {
   tfile->cache = tfileCacheCreate(path);
   return tfile;
 }
-void IndexTFileDestroy(IndexTFile* tfile) {
+void indexTFileDestroy(IndexTFile* tfile) {
   tfileCacheDestroy(tfile->cache);
   free(tfile);
 }
@@ -370,8 +371,7 @@ int indexTFileSearch(void* tfile, SIndexTermQuery* query, SArray* result) {
   IndexTFile* pTfile = (IndexTFile*)tfile;
 
   SIndexTerm* term = query->term;
-  TFileCacheKey key = {
-      .suid = term->suid, .colType = term->colType, .colName = term->colName, .nColName = term->nColName};
+  ICacheKey key = {.suid = term->suid, .colType = term->colType, .colName = term->colName, .nColName = term->nColName};
   TFileReader* reader = tfileCacheGet(pTfile->cache, &key);
   if (reader == NULL) { return 0; }
 
@@ -385,8 +385,10 @@ int indexTFilePut(void* tfile, SIndexTerm* term, uint64_t uid) {
 }
 static bool tfileIteratorNext(Iterate* iiter) {
   IterateValue* iv = &iiter->val;
+  if (iv->colVal != NULL && iv->val != NULL) {
+    // indexError("value in fst: colVal: %s, size: %d", iv->colVal, (int)taosArrayGetSize(iv->val));
+  }
   iterateValueDestroy(iv, false);
-  // SArray* tblIds = iv->val;
 
   char*    colVal = NULL;
   uint64_t offset = 0;
@@ -406,14 +408,14 @@ static bool tfileIteratorNext(Iterate* iiter) {
   if (tfileReaderLoadTableIds(tIter->rdr, offset, iv->val) != 0) { return false; }
 
   iv->colVal = colVal;
-
+  return true;
   // std::string key(ch, sz);
 }
 
 static IterateValue* tifileIterateGetValue(Iterate* iter) { return &iter->val; }
 
 static TFileFstIter* tfileFstIteratorCreate(TFileReader* reader) {
-  TFileFstIter* tIter = calloc(1, sizeof(Iterate));
+  TFileFstIter* tIter = calloc(1, sizeof(TFileFstIter));
   if (tIter == NULL) { return NULL; }
 
   tIter->ctx = automCtxCreate(NULL, AUTOMATION_ALWAYS);
@@ -435,6 +437,7 @@ Iterate* tfileIteratorCreate(TFileReader* reader) {
   iter->next = tfileIteratorNext;
   iter->getValue = tifileIterateGetValue;
   iter->val.val = taosArrayInit(1, sizeof(uint64_t));
+  iter->val.colVal = NULL;
   return iter;
 }
 void tfileIteratorDestroy(Iterate* iter) {
@@ -447,13 +450,14 @@ void tfileIteratorDestroy(Iterate* iter) {
   streamWithStateDestroy(tIter->st);
   fstStreamBuilderDestroy(tIter->fb);
   automCtxDestroy(tIter->ctx);
+  free(tIter);
 
   free(iter);
 }
 
-TFileReader* tfileGetReaderByCol(IndexTFile* tf, char* colName) {
+TFileReader* tfileGetReaderByCol(IndexTFile* tf, uint64_t suid, char* colName) {
   if (tf == NULL) { return NULL; }
-  TFileCacheKey key = {.suid = 0, .colType = TSDB_DATA_TYPE_BINARY, .colName = colName, .nColName = strlen(colName)};
+  ICacheKey key = {.suid = suid, .colType = TSDB_DATA_TYPE_BINARY, .colName = colName, .nColName = strlen(colName)};
   return tfileCacheGet(tf->cache, &key);
 }
 
@@ -480,7 +484,7 @@ static int tfileValueCompare(const void* a, const void* b, const void* param) {
 TFileValue* tfileValueCreate(char* val) {
   TFileValue* tf = calloc(1, sizeof(TFileValue));
   if (tf == NULL) { return NULL; }
-  tf->colVal = val;
+  tf->colVal = tstrdup(val);
   tf->tableId = taosArrayInit(32, sizeof(uint64_t));
   return tf;
 }
@@ -491,6 +495,7 @@ int tfileValuePush(TFileValue* tf, uint64_t val) {
 }
 void tfileValueDestroy(TFileValue* tf) {
   taosArrayDestroy(tf->tableId);
+  free(tf->colVal);
   free(tf);
 }
 static void tfileSerialTableIdsToBuf(char* buf, SArray* ids) {
@@ -648,10 +653,3 @@ static int tfileParseFileName(const char* filename, uint64_t* suid, int* colId,
   }
   return -1;
 }
-static void tfileSerialCacheKey(TFileCacheKey* key, char* buf) {
-  // SERIALIZE_MEM_TO_BUF(buf, key, suid);
-  // SERIALIZE_VAR_TO_BUF(buf, '_', char);
-  // SERIALIZE_MEM_TO_BUF(buf, key, colType);
-  // SERIALIZE_VAR_TO_BUF(buf, '_', char);
-  SERIALIZE_STR_MEM_TO_BUF(buf, key, colName, key->nColName);
-}

source/libs/index/test/fstTest.cc

@@ -24,8 +24,13 @@ class FstWriter {
     _b = fstBuilderCreate(_wc, 0);
   }
   bool Put(const std::string& key, uint64_t val) {
+    // char buf[128] = {0};
+    // int  len = 0;
+    // taosMbsToUcs4(key.c_str(), key.size(), buf, 128, &len);
+    // FstSlice skey = fstSliceCreate((uint8_t*)buf, len);
     FstSlice skey = fstSliceCreate((uint8_t*)key.c_str(), key.size());
     bool     ok = fstBuilderInsert(_b, skey, val);
+
     fstSliceDestroy(&skey);
     return ok;
   }
@@ -61,6 +66,11 @@ class FstReadMemory {
     return _fst != NULL;
   }
   bool Get(const std::string& key, uint64_t* val) {
+    // char buf[128] = {0};
+    // int  len = 0;
+    // taosMbsToUcs4(key.c_str(), key.size(), buf, 128, &len);
+    // FstSlice skey = fstSliceCreate((uint8_t*)buf, len);
+
     FstSlice skey = fstSliceCreate((uint8_t*)key.c_str(), key.size());
     bool     ok = fstGet(_fst, &skey, val);
     fstSliceDestroy(&skey);
@@ -135,15 +145,109 @@ int Performance_fstWriteRecords(FstWriter* b) {
   }
   return L * M * N;
 }
+void Performance_fstReadRecords(FstReadMemory* m) {
+  std::string str("aa");
+  for (int i = 0; i < M; i++) {
+    str[0] = 'a' + i;
+    str.resize(2);
+    for (int j = 0; j < N; j++) {
+      str[1] = 'a' + j;
+      str.resize(2);
+      for (int k = 0; k < L; k++) {
+        str.push_back('a');
+        uint64_t val, cost;
+        if (m->GetWithTimeCostUs(str, &val, &cost)) {
+          printf("succes to get kv(%s, %" PRId64 "), cost: %" PRId64 "\n", str.c_str(), val, cost);
+        } else {
+          printf("failed to get key: %s\n", str.c_str());
+        }
+      }
+    }
+  }
+}
+
+void checkMillonWriteAndReadOfFst() {
+  tfInit();
+  FstWriter* fw = new FstWriter;
+  Performance_fstWriteRecords(fw);
+  delete fw;
+  FstReadMemory* fr = new FstReadMemory(1024 * 64 * 1024);
+
+  if (fr->init()) { printf("success to init fst read"); }
+
+  Performance_fstReadRecords(fr);
+  tfCleanup();
+  delete fr;
+}
+void checkFstLongTerm() {
+  tfInit();
+  FstWriter* fw = new FstWriter;
+  // Performance_fstWriteRecords(fw);
+
+  fw->Put("A B", 1);
+  fw->Put("C", 2);
+  fw->Put("a", 3);
+  delete fw;
+
+  FstReadMemory* m = new FstReadMemory(1024 * 64);
+  if (m->init() == false) {
+    std::cout << "init readMemory failed" << std::endl;
+    delete m;
+    return;
+  }
+  {
+    uint64_t val = 0;
+    if (m->Get("A B", &val)) {
+      std::cout << "success to Get: " << val << std::endl;
+    } else {
+      std::cout << "failed to Get:" << val << std::endl;
+    }
+  }
+  {
+    uint64_t val = 0;
+    if (m->Get("C", &val)) {
+      std::cout << "success to Get: " << val << std::endl;
+    } else {
+      std::cout << "failed to Get:" << val << std::endl;
+    }
+  }
+  {
+    uint64_t val = 0;
+    if (m->Get("a", &val)) {
+      std::cout << "success to Get: " << val << std::endl;
+    } else {
+      std::cout << "failed to Get:" << val << std::endl;
+    }
+  }
+
+  // prefix search
+  // std::vector<uint64_t> result;
+
+  // AutomationCtx* ctx = automCtxCreate((void*)"ab", AUTOMATION_ALWAYS);
+  // m->Search(ctx, result);
+  // std::cout << "size: " << result.size() << std::endl;
+  // assert(result.size() == count);
+  // for (int i = 0; i < result.size(); i++) {
+  // assert(result[i] == i);  // check result
+  //}
+  tfCleanup();
+  // free(ctx);
+  // delete m;
+}
 void checkFstCheckIterator() {
   tfInit();
   FstWriter* fw = new FstWriter;
   int64_t    s = taosGetTimestampUs();
   int        count = 2;
-  Performance_fstWriteRecords(fw);
+  // Performance_fstWriteRecords(fw);
   int64_t e = taosGetTimestampUs();
 
   std::cout << "insert data count :  " << count << "elapas time: " << e - s << std::endl;
+
+  fw->Put("Hello world", 1);
+  fw->Put("hello world", 2);
+  fw->Put("hello worle", 3);
+  fw->Put("hello worlf", 4);
   delete fw;
 
   FstReadMemory* m = new FstReadMemory(1024 * 64);
@@ -171,7 +275,7 @@ void checkFstCheckIterator() {
 
 void fst_get(Fst* fst) {
   for (int i = 0; i < 10000; i++) {
-    std::string term = "Hello";
+    std::string term = "Hello World";
     FstSlice    key = fstSliceCreate((uint8_t*)term.c_str(), term.size());
     uint64_t    offset = 0;
     bool        ret = fstGet(fst, &key, &offset);
@@ -189,7 +293,7 @@ void validateTFile(char* arg) {
 
   std::thread threads[NUM_OF_THREAD];
   // std::vector<std::thread> threads;
-  TFileReader* reader = tfileReaderOpen(arg, 0, 295868, "tag1");
+  TFileReader* reader = tfileReaderOpen(arg, 0, 999992, "tag1");
 
   for (int i = 0; i < NUM_OF_THREAD; i++) {
     threads[i] = std::thread(fst_get, reader->fst);
@@ -203,9 +307,12 @@ void validateTFile(char* arg) {
   tfCleanup();
 }
 int main(int argc, char* argv[]) {
-  if (argc > 1) { validateTFile(argv[1]); }
+  // tool to check all kind of fst test 
+  // if (argc > 1) { validateTFile(argv[1]); }
   // checkFstCheckIterator();
+  // checkFstLongTerm();
   // checkFstPrefixSearch();
 
+  checkMillonWriteAndReadOfFst();
   return 1;
 }

source/libs/index/test/indexTests.cc

@@ -457,7 +457,10 @@ TEST_F(IndexTFileEnv, test_tfile_write) {
   // taosArrayPush(data, &v4);
 
   fObj->Put(data);
-  for (size_t i = 0; i < taosArrayGetSize(data); i++) { destroyTFileValue(taosArrayGetP(data, i)); }
+  for (size_t i = 0; i < taosArrayGetSize(data); i++) {
+    // data
+    destroyTFileValue(taosArrayGetP(data, i));
+  }
   taosArrayDestroy(data);
 
   std::string     colName("voltage");
@@ -470,6 +473,7 @@ TEST_F(IndexTFileEnv, test_tfile_write) {
   fObj->Get(&query, result);
   assert(taosArrayGetSize(result) == 200);
   indexTermDestroy(term);
+  taosArrayDestroy(result);
 
   // tfileWriterDestroy(twrite);
 }
@@ -477,7 +481,7 @@ class CacheObj {
  public:
   CacheObj() {
     // TODO
-    cache = indexCacheCreate(NULL, "voltage", TSDB_DATA_TYPE_BINARY);
+    cache = indexCacheCreate(NULL, 0, "voltage", TSDB_DATA_TYPE_BINARY);
   }
   int Put(SIndexTerm* term, int16_t colId, int32_t version, uint64_t uid) {
     int ret = indexCachePut(cache, term, uid);
@@ -534,6 +538,7 @@ TEST_F(IndexCacheEnv, cache_test) {
     SIndexTerm* term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                        colVal.c_str(), colVal.size());
     coj->Put(term, colId, version++, suid++);
+    indexTermDestroy(term);
     // indexTermDestry(term);
   }
   {
@@ -541,24 +546,28 @@ TEST_F(IndexCacheEnv, cache_test) {
     SIndexTerm* term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                        colVal.c_str(), colVal.size());
     coj->Put(term, colId, version++, suid++);
+    indexTermDestroy(term);
   }
   {
     std::string colVal("v2");
     SIndexTerm* term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                        colVal.c_str(), colVal.size());
     coj->Put(term, colId, version++, suid++);
+    indexTermDestroy(term);
   }
   {
     std::string colVal("v3");
     SIndexTerm* term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                        colVal.c_str(), colVal.size());
     coj->Put(term, colId, version++, suid++);
+    indexTermDestroy(term);
   }
   {
     std::string colVal("v3");
     SIndexTerm* term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                        colVal.c_str(), colVal.size());
     coj->Put(term, colId, version++, suid++);
+    indexTermDestroy(term);
   }
   coj->Debug();
   std::cout << "--------first----------" << std::endl;
@@ -567,12 +576,14 @@ TEST_F(IndexCacheEnv, cache_test) {
     SIndexTerm* term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                        colVal.c_str(), colVal.size());
     coj->Put(term, othColId, version++, suid++);
+    indexTermDestroy(term);
   }
   {
     std::string colVal("v4");
     SIndexTerm* term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                        colVal.c_str(), colVal.size());
     coj->Put(term, othColId, version++, suid++);
+    indexTermDestroy(term);
   }
   coj->Debug();
   std::cout << "--------second----------" << std::endl;
@@ -583,6 +594,7 @@ TEST_F(IndexCacheEnv, cache_test) {
       SIndexTerm* term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                          colVal.c_str(), colVal.size());
       coj->Put(term, colId, version++, suid++);
+      indexTermDestroy(term);
     }
   }
   coj->Debug();
@@ -598,6 +610,9 @@ TEST_F(IndexCacheEnv, cache_test) {
     coj->Get(&query, colId, 10000, ret, &valType);
     std::cout << "size : " << taosArrayGetSize(ret) << std::endl;
     assert(taosArrayGetSize(ret) == 4);
+    taosArrayDestroy(ret);
+
+    indexTermDestroy(term);
   }
   {
     std::string     colVal("v2");
@@ -609,6 +624,9 @@ TEST_F(IndexCacheEnv, cache_test) {
 
     coj->Get(&query, colId, 10000, ret, &valType);
     assert(taosArrayGetSize(ret) == 1);
+    taosArrayDestroy(ret);
+
+    indexTermDestroy(term);
   }
 }
 class IndexObj {
@@ -678,13 +696,16 @@ class IndexObj {
 
     SArray* result = (SArray*)taosArrayInit(1, sizeof(uint64_t));
     if (Search(mq, result) == 0) { std::cout << "search one successfully" << std::endl; }
-    return taosArrayGetSize(result);
+    int sz = taosArrayGetSize(result);
+    indexMultiTermQueryDestroy(mq);
+    taosArrayDestroy(result);
+    return sz;
     // assert(taosArrayGetSize(result) == targetSize);
   }
   void PutOne(const std::string& colName, const std::string& colVal) {
+    SIndexMultiTerm* terms = indexMultiTermCreate();
     SIndexTerm*      term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
                                        colVal.c_str(), colVal.size());
-    SIndexMultiTerm* terms = indexMultiTermCreate();
     indexMultiTermAdd(terms, term);
     Put(terms, 10);
     indexMultiTermDestroy(terms);
@@ -783,18 +804,21 @@ TEST_F(IndexEnv2, testIndexOpen) {
     index->Search(mq, result);
     std::cout << "target size: " << taosArrayGetSize(result) << std::endl;
     assert(taosArrayGetSize(result) == 400);
+    taosArrayDestroy(result);
+    indexMultiTermQueryDestroy(mq);
   }
 }
 
 TEST_F(IndexEnv2, testIndex_TrigeFlush) {
-  std::string path = "/tmp/test";
+  std::string path = "/tmp/test1";
   if (index->Init(path) != 0) {
     // r
     std::cout << "failed to init" << std::endl;
   }
   int numOfTable = 100 * 10000;
-  index->WriteMillonData("tag1", "Hello", numOfTable);
-  int target = index->SearchOne("tag1", "Hello");
+  index->WriteMillonData("tag1", "Hello Wolrd", numOfTable);
+  int target = index->SearchOne("tag1", "Hello Wolrd");
+  std::cout << "Get Index: " << target << std::endl;
   assert(numOfTable == target);
 }
 
@@ -821,14 +845,6 @@ TEST_F(IndexEnv2, testIndex_serarch_cache_and_tfile) {
     threads[i].join();
   }
 }
-TEST_F(IndexEnv2, testIndex_multi_thread_write) {
-  std::string path = "/tmp";
-  if (index->Init(path) != 0) {}
-}
-TEST_F(IndexEnv2, testIndex_multi_thread_read) {
-  std::string path = "/tmp";
-  if (index->Init(path) != 0) {}
-}
 
 TEST_F(IndexEnv2, testIndex_restart) {
   std::string path = "/tmp";