Merge branch 'develop' into compress_float

.appveyor.yml

@@ -22,7 +22,6 @@ for:
       - call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %ARCH%
 
     before_build:
-      - choco install lua
       - cd c:\dev\TDengine
       - md build
 
@@ -36,9 +35,6 @@ for:
         - image: macos
     clone_depth: 1
 
-    before_build:
-      - brew install lua
-
     build_script:
       - mkdir debug
       - cd debug

src/client/src/tscServer.c

@@ -2005,7 +2005,6 @@ static SVgroupsInfo* createVgroupInfoFromMsg(char* pMsg, int32_t* size, uint64_t
 
       SVgroupMsg *vmsg = &pVgroupMsg->vgroups[j];
       vmsg->vgId = htonl(vmsg->vgId);
-      vmsg->numOfEps = vmsg->numOfEps;
       for (int32_t k = 0; k < vmsg->numOfEps; ++k) {
         vmsg->epAddr[k].port = htons(vmsg->epAddr[k].port);
       }

src/client/src/tscUtil.c

@@ -634,7 +634,9 @@ static void setResRawPtrImpl(SSqlRes* pRes, SInternalField* pInfo, int32_t i, bo
 
 void tscSetResRawPtr(SSqlRes* pRes, SQueryInfo* pQueryInfo) {
   assert(pRes->numOfCols > 0);
-
+  if (pRes->numOfRows == 0) {
+    return;
+  }
   int32_t offset = 0;
   for (int32_t i = 0; i < pQueryInfo->fieldsInfo.numOfOutput; ++i) {
     SInternalField* pInfo = (SInternalField*)TARRAY_GET_ELEM(pQueryInfo->fieldsInfo.internalField, i);
@@ -746,6 +748,37 @@ typedef struct SJoinOperatorInfo {
   SRspResultInfo resultInfo;  // todo refactor, add this info for each operator
 } SJoinOperatorInfo;
 
+static void converNcharFilterColumn(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols, int32_t rows, bool *gotNchar) {
+  for (int32_t i = 0; i < numOfFilterCols; ++i) {
+    if (pFilterInfo[i].info.type == TSDB_DATA_TYPE_NCHAR) {
+      pFilterInfo[i].pData2 = pFilterInfo[i].pData;
+      pFilterInfo[i].pData = malloc(rows * pFilterInfo[i].info.bytes);
+      int32_t bufSize = pFilterInfo[i].info.bytes - VARSTR_HEADER_SIZE;
+      for (int32_t j = 0; j < rows; ++j) {
+        char* dst = (char *)pFilterInfo[i].pData + j * pFilterInfo[i].info.bytes;
+        char* src = (char *)pFilterInfo[i].pData2 + j * pFilterInfo[i].info.bytes;
+        int32_t len = 0;
+        taosMbsToUcs4(varDataVal(src), varDataLen(src), varDataVal(dst), bufSize, &len);
+        varDataLen(dst) = len;
+      }
+      *gotNchar = true;
+    }
+  }
+}
+
+static void freeNcharFilterColumn(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols) {
+  for (int32_t i = 0; i < numOfFilterCols; ++i) {
+    if (pFilterInfo[i].info.type == TSDB_DATA_TYPE_NCHAR) {
+      if (pFilterInfo[i].pData2) {
+        tfree(pFilterInfo[i].pData);
+        pFilterInfo[i].pData = pFilterInfo[i].pData2;
+        pFilterInfo[i].pData2 = NULL;
+      }
+    }
+  }
+}
+
+
 static void doSetupSDataBlock(SSqlRes* pRes, SSDataBlock* pBlock, SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols) {
   int32_t offset = 0;
   char* pData = pRes->data;
@@ -764,8 +797,13 @@ static void doSetupSDataBlock(SSqlRes* pRes, SSDataBlock* pBlock, SSingleColumnF
   // filter data if needed
   if (numOfFilterCols > 0) {
     doSetFilterColumnInfo(pFilterInfo, numOfFilterCols, pBlock);
+    bool gotNchar = false;
+    converNcharFilterColumn(pFilterInfo, numOfFilterCols, pBlock->info.rows, &gotNchar);
     int8_t* p = calloc(pBlock->info.rows, sizeof(int8_t));
     bool all = doFilterDataBlock(pFilterInfo, numOfFilterCols, pBlock->info.rows, p);
+    if (gotNchar) {
+      freeNcharFilterColumn(pFilterInfo, numOfFilterCols);
+    }
     if (!all) {
       doCompactSDataBlock(pBlock, pBlock->info.rows, p);
     }

src/connector/odbc/CMakeLists.txt

@@ -20,8 +20,8 @@ IF (TD_LINUX_64)
         if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0.0)
           message(WARNING "gcc 4.8.0 will complain too much about flex-generated code, we just bypass building ODBC driver in such case")
         else ()
-          SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wconversion")
-          SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Wconversion")
+          SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ")
+          SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ")
           ADD_SUBDIRECTORY(src)
           ADD_SUBDIRECTORY(tools)
           ADD_SUBDIRECTORY(examples)

src/kit/shell/inc/shellCommand.h

@@ -45,7 +45,7 @@ extern void updateBuffer(Command *cmd);
 extern int isReadyGo(Command *cmd);
 extern void resetCommand(Command *cmd, const char s[]);
 
-int countPrefixOnes(char c);
+int countPrefixOnes(unsigned char c);
 void clearScreen(int ecmd_pos, int cursor_pos);
 void printChar(char c, int times);
 void positionCursor(int step, int direction);

src/kit/shell/src/shellCommand.c

@@ -26,7 +26,7 @@ typedef struct {
   char widthOnScreen;
 } UTFCodeInfo;
 
-int countPrefixOnes(char c) {
+int countPrefixOnes(unsigned char c) {
   unsigned char mask = 127;
   mask = ~mask;
   int ret = 0;
@@ -48,7 +48,7 @@ void getPrevCharSize(const char *str, int pos, int *size, int *width) {
   while (--pos >= 0) {
     *size += 1;
 
-    if (str[pos] > 0 || countPrefixOnes(str[pos]) > 1) break;
+    if (str[pos] > 0 || countPrefixOnes((unsigned char )str[pos]) > 1) break;
   }
 
   int rc = mbtowc(&wc, str + pos, MB_CUR_MAX);

src/query/inc/qExecutor.h

@@ -73,14 +73,14 @@ typedef struct SResultRowPool {
 
 typedef struct SResultRow {
   int32_t       pageId;      // pageId & rowId is the position of current result in disk-based output buffer
-  int32_t       offset:29;    // row index in buffer page
+  int32_t       offset:29;   // row index in buffer page
   bool          startInterp; // the time window start timestamp has done the interpolation already.
   bool          endInterp;   // the time window end timestamp has done the interpolation already.
   bool          closed;      // this result status: closed or opened
   uint32_t      numOfRows;   // number of rows of current time window
   SResultRowCellInfo*  pCellInfo;  // For each result column, there is a resultInfo
-  STimeWindow win;
-  char* key;                 // start key of current result row
+  STimeWindow   win;
+  char         *key;               // start key of current result row
 } SResultRow;
 
 typedef struct SGroupResInfo {
@@ -105,7 +105,7 @@ typedef struct SResultRowInfo {
   int16_t      type:8;     // data type for hash key
   int32_t      size:24;    // number of result set
   int32_t      capacity;   // max capacity
-  int32_t      curIndex;   // current start active index
+  SResultRow*  current;    // current start active index
   int64_t      prevSKey;   // previous (not completed) sliding window start key
 } SResultRowInfo;
 
@@ -118,6 +118,7 @@ typedef struct SColumnFilterElem {
 
 typedef struct SSingleColumnFilterInfo {
   void*              pData;
+  void*              pData2;  //used for nchar column
   int32_t            numOfFilters;
   SColumnInfo        info;
   SColumnFilterElem* pFilters;

src/query/src/qExecutor.c

@@ -410,6 +410,21 @@ static void prepareResultListBuffer(SResultRowInfo* pResultRowInfo, SQueryRuntim
   pResultRowInfo->capacity = (int32_t)newCapacity;
 }
 
+static int32_t ascResultRowCompareFn(const void* p1, const void* p2) {
+  SResultRow* pRow1 = *(SResultRow**)p1;
+  SResultRow* pRow2 = *(SResultRow**)p2;
+
+  if (pRow1 == pRow2) {
+    return 0;
+  } else {
+    return pRow1->win.skey < pRow2->win.skey? -1:1;
+  }
+}
+
+static int32_t descResultRowCompareFn(const void* p1, const void* p2) {
+  return -ascResultRowCompareFn(p1, p2);
+}
+
 static SResultRow *doPrepareResultRowFromKey(SQueryRuntimeEnv *pRuntimeEnv, SResultRowInfo *pResultRowInfo, char *pData,
                                              int16_t bytes, bool masterscan, uint64_t uid) {
   bool existed = false;
@@ -425,11 +440,17 @@ static SResultRow *doPrepareResultRowFromKey(SQueryRuntimeEnv *pRuntimeEnv, SRes
     }
 
     if (p1 != NULL) {
-      for(int32_t i = pResultRowInfo->size - 1; i >= 0; --i) {
-        if (pResultRowInfo->pResult[i] == (*p1)) {
-          pResultRowInfo->curIndex = i;
+      pResultRowInfo->current = (*p1);
+
+      if (pResultRowInfo->size == 0) {
+        existed = false;
+      } else if (pResultRowInfo->size == 1) {
+        existed = (pResultRowInfo->pResult[0] == (*p1));
+      } else {
+        __compar_fn_t fn = QUERY_IS_ASC_QUERY(pRuntimeEnv->pQueryAttr)? ascResultRowCompareFn:descResultRowCompareFn;
+        void* ptr = taosbsearch(p1, pResultRowInfo->pResult, pResultRowInfo->size, POINTER_BYTES, fn, TD_EQ);
+        if (ptr != NULL) {
           existed = true;
-          break;
         }
       }
     }
@@ -456,8 +477,8 @@ static SResultRow *doPrepareResultRowFromKey(SQueryRuntimeEnv *pRuntimeEnv, SRes
       pResult = *p1;
     }
 
-    pResultRowInfo->pResult[pResultRowInfo->size] = pResult;
-    pResultRowInfo->curIndex = pResultRowInfo->size++;
+    pResultRowInfo->pResult[pResultRowInfo->size++] = pResult;
+    pResultRowInfo->current = pResult;
   }
 
   // too many time window in query
@@ -465,7 +486,7 @@ static SResultRow *doPrepareResultRowFromKey(SQueryRuntimeEnv *pRuntimeEnv, SRes
     longjmp(pRuntimeEnv->env, TSDB_CODE_QRY_TOO_MANY_TIMEWINDOW);
   }
 
-  return getResultRow(pResultRowInfo, pResultRowInfo->curIndex);
+  return pResultRowInfo->current;
 }
 
 static void getInitialStartTimeWindow(SQueryAttr* pQueryAttr, TSKEY ts, STimeWindow* w) {
@@ -496,7 +517,7 @@ static void getInitialStartTimeWindow(SQueryAttr* pQueryAttr, TSKEY ts, STimeWin
 static STimeWindow getActiveTimeWindow(SResultRowInfo * pResultRowInfo, int64_t ts, SQueryAttr *pQueryAttr) {
   STimeWindow w = {0};
 
- if (pResultRowInfo->curIndex == -1) {  // the first window, from the previous stored value
+ if (pResultRowInfo->current == NULL) {  // the first window, from the previous stored value
     if (pResultRowInfo->prevSKey == TSKEY_INITIAL_VAL) {
       getInitialStartTimeWindow(pQueryAttr, ts, &w);
       pResultRowInfo->prevSKey = w.skey;
@@ -510,8 +531,9 @@ static STimeWindow getActiveTimeWindow(SResultRowInfo * pResultRowInfo, int64_t
       w.ekey = w.skey + pQueryAttr->interval.interval - 1;
     }
   } else {
-    int32_t slot = curTimeWindowIndex(pResultRowInfo);
-    SResultRow* pWindowRes = getResultRow(pResultRowInfo, slot);
+//    int32_t slot = curTimeWindowIndex(pResultRowInfo);
+//    SResultRow* pWindowRes = getResultRow(pResultRowInfo, slot);
+    SResultRow* pWindowRes = pResultRowInfo->current;
     w = pWindowRes->win;
   }
 
@@ -697,7 +719,12 @@ static void doUpdateResultRowIndex(SResultRowInfo*pResultRowInfo, TSKEY lastKey,
 
   // all result rows are closed, set the last one to be the skey
   if (skey == TSKEY_INITIAL_VAL) {
-    pResultRowInfo->curIndex = pResultRowInfo->size - 1;
+    if (pResultRowInfo->size == 0) {
+//      assert(pResultRowInfo->current == NULL);
+      pResultRowInfo->current = NULL;
+    } else {
+      pResultRowInfo->current = pResultRowInfo->pResult[pResultRowInfo->size - 1];
+    }
   } else {
 
     for (i = pResultRowInfo->size - 1; i >= 0; --i) {
@@ -708,12 +735,12 @@ static void doUpdateResultRowIndex(SResultRowInfo*pResultRowInfo, TSKEY lastKey,
     }
 
     if (i == pResultRowInfo->size - 1) {
-      pResultRowInfo->curIndex = i;
+      pResultRowInfo->current = pResultRowInfo->pResult[i];
     } else {
-      pResultRowInfo->curIndex = i + 1;  // current not closed result object
+      pResultRowInfo->current = pResultRowInfo->pResult[i + 1];  // current not closed result object
     }
 
-    pResultRowInfo->prevSKey = pResultRowInfo->pResult[pResultRowInfo->curIndex]->win.skey;
+    pResultRowInfo->prevSKey = pResultRowInfo->current->win.skey;
   }
 }
 
@@ -721,7 +748,7 @@ static void updateResultRowInfoActiveIndex(SResultRowInfo* pResultRowInfo, SQuer
   bool ascQuery = QUERY_IS_ASC_QUERY(pQueryAttr);
   if ((lastKey > pQueryAttr->window.ekey && ascQuery) || (lastKey < pQueryAttr->window.ekey && (!ascQuery))) {
     closeAllResultRows(pResultRowInfo);
-    pResultRowInfo->curIndex = pResultRowInfo->size - 1;
+    pResultRowInfo->current = pResultRowInfo->pResult[pResultRowInfo->size - 1];
   } else {
     int32_t step = ascQuery ? 1 : -1;
     doUpdateResultRowIndex(pResultRowInfo, lastKey - step, ascQuery, pQueryAttr->timeWindowInterpo);
@@ -1230,7 +1257,8 @@ static void hashIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pResul
   int32_t step = GET_FORWARD_DIRECTION_FACTOR(pQueryAttr->order.order);
   bool ascQuery = QUERY_IS_ASC_QUERY(pQueryAttr);
 
-  int32_t prevIndex = curTimeWindowIndex(pResultRowInfo);
+  SResultRow* prevRow = pResultRowInfo->current;
+//  int32_t prevIndex = curTimeWindowIndex(pResultRowInfo);
 
   TSKEY* tsCols = NULL;
   if (pSDataBlock->pDataBlock != NULL) {
@@ -1259,13 +1287,19 @@ static void hashIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pResul
       getNumOfRowsInTimeWindow(pRuntimeEnv, &pSDataBlock->info, tsCols, startPos, ekey, binarySearchForKey, true);
 
   // prev time window not interpolation yet.
-  int32_t curIndex = curTimeWindowIndex(pResultRowInfo);
-  if (prevIndex != -1 && prevIndex < curIndex && pQueryAttr->timeWindowInterpo) {
-    for (int32_t j = prevIndex; j < curIndex; ++j) {  // previous time window may be all closed already.
+//  int32_t curIndex = curTimeWindowIndex(pResultRowInfo);
+//  if (prevIndex != -1 && prevIndex < curIndex && pQueryAttr->timeWindowInterpo) {
+//    for (int32_t j = prevIndex; j < curIndex; ++j) {  // previous time window may be all closed already.
+    if (prevRow != NULL && prevRow != pResultRowInfo->current && pQueryAttr->timeWindowInterpo) {
+      int32_t j = 0;
+      while(pResultRowInfo->pResult[j] != prevRow) {
+        j++;
+      }
+
+      for(; pResultRowInfo->pResult[j] != pResultRowInfo->current; ++j) {
       SResultRow* pRes = pResultRowInfo->pResult[j];
       if (pRes->closed) {
-        assert(resultRowInterpolated(pRes, RESULT_ROW_START_INTERP) &&
-               resultRowInterpolated(pRes, RESULT_ROW_END_INTERP));
+        assert(resultRowInterpolated(pRes, RESULT_ROW_START_INTERP) && resultRowInterpolated(pRes, RESULT_ROW_END_INTERP));
         continue;
       }
 
@@ -3146,7 +3180,7 @@ void copyToSDataBlock(SQueryRuntimeEnv* pRuntimeEnv, int32_t threshold, SSDataBl
 
 }
 
-static void updateTableQueryInfoForReverseScan(SQueryAttr *pQueryAttr, STableQueryInfo *pTableQueryInfo) {
+static void updateTableQueryInfoForReverseScan(STableQueryInfo *pTableQueryInfo) {
   if (pTableQueryInfo == NULL) {
     return;
   }
@@ -3158,7 +3192,12 @@ static void updateTableQueryInfoForReverseScan(SQueryAttr *pQueryAttr, STableQue
   pTableQueryInfo->cur.vgroupIndex = -1;
 
   // set the index to be the end slot of result rows array
-  pTableQueryInfo->resInfo.curIndex = pTableQueryInfo->resInfo.size - 1;
+  SResultRowInfo* pResRowInfo = &pTableQueryInfo->resInfo;
+  if (pResRowInfo->size > 0) {
+    pResRowInfo->current = pResRowInfo->pResult[pResRowInfo->size - 1];
+  } else {
+    pResRowInfo->current = NULL;
+  }
 }
 
 static void setupQueryRangeForReverseScan(SQueryRuntimeEnv* pRuntimeEnv) {
@@ -3172,7 +3211,7 @@ static void setupQueryRangeForReverseScan(SQueryRuntimeEnv* pRuntimeEnv) {
     size_t t = taosArrayGetSize(group);
     for (int32_t j = 0; j < t; ++j) {
       STableQueryInfo *pCheckInfo = taosArrayGetP(group, j);
-      updateTableQueryInfoForReverseScan(pQueryAttr, pCheckInfo);
+      updateTableQueryInfoForReverseScan(pCheckInfo);
 
       // update the last key in tableKeyInfo list, the tableKeyInfo is used to build the tsdbQueryHandle and decide
       // the start check timestamp of tsdbQueryHandle
@@ -4574,7 +4613,7 @@ static SSDataBlock* doTableScan(void* param, bool *newgroup) {
     }
 
     if (pResultRowInfo->size > 0) {
-      pResultRowInfo->curIndex = 0;
+      pResultRowInfo->current = pResultRowInfo->pResult[0];
       pResultRowInfo->prevSKey = pResultRowInfo->pResult[0]->win.skey;
     }
 
@@ -4600,8 +4639,8 @@ static SSDataBlock* doTableScan(void* param, bool *newgroup) {
     pTableScanInfo->order = cond.order;
 
     if (pResultRowInfo->size > 0) {
-      pResultRowInfo->curIndex = pResultRowInfo->size-1;
-      pResultRowInfo->prevSKey = pResultRowInfo->pResult[pResultRowInfo->size-1]->win.skey;
+      pResultRowInfo->current = pResultRowInfo->pResult[pResultRowInfo->size - 1];
+      pResultRowInfo->prevSKey = pResultRowInfo->current->win.skey;
     }
 
     p = doTableScanImpl(pOperator, newgroup);

src/query/src/qSqlParser.c

@@ -938,7 +938,7 @@ void SqlInfoDestroy(SSqlInfo *pInfo) {
       taosArrayDestroy(pInfo->pMiscInfo->a);
     }
 
-    if (pInfo->pMiscInfo != NULL && pInfo->type == TSDB_SQL_CREATE_DB) {
+    if (pInfo->pMiscInfo != NULL && (pInfo->type == TSDB_SQL_CREATE_DB || pInfo->type == TSDB_SQL_ALTER_DB)) {
       taosArrayDestroyEx(pInfo->pMiscInfo->dbOpt.keep, freeVariant);
     }
 

src/query/src/qUtil.c

@@ -45,7 +45,7 @@ int32_t initResultRowInfo(SResultRowInfo *pResultRowInfo, int32_t size, int16_t
   pResultRowInfo->type     = type;
   pResultRowInfo->size     = 0;
   pResultRowInfo->prevSKey = TSKEY_INITIAL_VAL;
-  pResultRowInfo->curIndex = -1;
+  pResultRowInfo->current  = NULL;
   pResultRowInfo->capacity = size;
 
   pResultRowInfo->pResult = calloc(pResultRowInfo->capacity, POINTER_BYTES);
@@ -90,9 +90,9 @@ void resetResultRowInfo(SQueryRuntimeEnv *pRuntimeEnv, SResultRowInfo *pResultRo
     SET_RES_WINDOW_KEY(pRuntimeEnv->keyBuf, &groupIndex, sizeof(groupIndex), uid);
     taosHashRemove(pRuntimeEnv->pResultRowHashTable, (const char *)pRuntimeEnv->keyBuf, GET_RES_WINDOW_KEY_LEN(sizeof(groupIndex)));
   }
-  
-  pResultRowInfo->curIndex = -1;
-  pResultRowInfo->size = 0;
+
+  pResultRowInfo->size     = 0;
+  pResultRowInfo->current  = NULL;
   pResultRowInfo->prevSKey = TSKEY_INITIAL_VAL;
 }
 

src/util/src/thashutil.c

@@ -126,15 +126,38 @@ _hash_fn_t taosGetDefaultHashFunction(int32_t type) {
   _hash_fn_t fn = NULL;
   switch(type) {
     case TSDB_DATA_TYPE_TIMESTAMP:
-    case TSDB_DATA_TYPE_BIGINT:   fn = taosIntHash_64;break;
-    case TSDB_DATA_TYPE_BINARY:   fn = MurmurHash3_32;break;
-    case TSDB_DATA_TYPE_NCHAR:    fn = MurmurHash3_32;break;
-    case TSDB_DATA_TYPE_INT:      fn = taosIntHash_32; break;
-    case TSDB_DATA_TYPE_SMALLINT: fn = taosIntHash_16; break;
-    case TSDB_DATA_TYPE_TINYINT:  fn = taosIntHash_8; break;
-    case TSDB_DATA_TYPE_FLOAT:    fn = taosFloatHash; break;                             
-    case TSDB_DATA_TYPE_DOUBLE:   fn = taosDoubleHash; break;                             
-    default: fn = taosIntHash_32;break;
+    case TSDB_DATA_TYPE_UBIGINT:
+    case TSDB_DATA_TYPE_BIGINT:   
+      fn = taosIntHash_64;
+      break;
+    case TSDB_DATA_TYPE_BINARY:   
+      fn = MurmurHash3_32;
+      break;
+    case TSDB_DATA_TYPE_NCHAR:    
+      fn = MurmurHash3_32;
+      break;
+    case TSDB_DATA_TYPE_UINT:
+    case TSDB_DATA_TYPE_INT:      
+      fn = taosIntHash_32; 
+      break;
+    case TSDB_DATA_TYPE_SMALLINT: 
+    case TSDB_DATA_TYPE_USMALLINT:  
+      fn = taosIntHash_16; 
+      break;
+    case TSDB_DATA_TYPE_BOOL:
+    case TSDB_DATA_TYPE_UTINYINT:
+    case TSDB_DATA_TYPE_TINYINT:  
+      fn = taosIntHash_8; 
+      break;
+    case TSDB_DATA_TYPE_FLOAT:    
+      fn = taosFloatHash; 
+      break;                             
+    case TSDB_DATA_TYPE_DOUBLE:   
+      fn = taosDoubleHash; 
+      break;                             
+    default: 
+      fn = taosIntHash_32;
+      break;
   }
   
   return fn;