[TD-340]

src/client/src/tscSql.c

@@ -729,6 +729,7 @@ TAOS_ROW taos_fetch_row(TAOS_RES *res) {
 }
 
 int taos_fetch_block(TAOS_RES *res, TAOS_ROW *rows) {
+#if 0
   SSqlObj *pSql = (SSqlObj *)res;
   SSqlCmd *pCmd = &pSql->cmd;
   SSqlRes *pRes = &pSql->res;
@@ -768,6 +769,11 @@ int taos_fetch_block(TAOS_RES *res, TAOS_ROW *rows) {
   }
 
   return nRows;
+#endif
+
+  (*rows) = taos_fetch_row(res);
+  return ((*rows) != NULL)? 1:0;
+
 }
 
 int taos_select_db(TAOS *taos, const char *db) {

src/connector/python/linux/python2/taos/cinterface.py

@@ -316,6 +316,9 @@ class CTaosInterface(object):
         blocks = [None] * len(fields)
         for i in range(len(fields)):
             data = ctypes.cast(pblock, ctypes.POINTER(ctypes.c_void_p))[i]
+            if data == None:
+                blocks[i] = [None] * num_of_rows
+                continue
 
             if fields[i]['type'] not in _CONVERT_FUNC:
                 raise DatabaseError("Invalid data type returned from database")

src/connector/python/linux/python3/taos/cinterface.py

@@ -316,6 +316,9 @@ class CTaosInterface(object):
         blocks = [None] * len(fields)
         for i in range(len(fields)):
             data = ctypes.cast(pblock, ctypes.POINTER(ctypes.c_void_p))[i]
+            if data == None:
+                blocks[i] = [None] * num_of_rows
+                continue
 
             if fields[i]['type'] not in _CONVERT_FUNC:
                 raise DatabaseError("Invalid data type returned from database")

src/util/src/textbuffer.c

@@ -41,11 +41,13 @@ void getTmpfilePath(const char *fileNamePrefix, char *dstPath) {
   char *tmpDir = "/tmp/";
 #endif
 
+  int64_t ts = taosGetTimestampUs();
+
   strcpy(tmpPath, tmpDir);
   strcat(tmpPath, tdengineTmpFileNamePrefix);
   strcat(tmpPath, fileNamePrefix);
-  strcat(tmpPath, "-%llu-%u");
-  snprintf(dstPath, MAX_TMPFILE_PATH_LENGTH, tmpPath, taosGetPthreadId(), atomic_add_fetch_32(&tmpFileSerialNum, 1));
+  strcat(tmpPath, "-%d-%llu-%u-%llu");
+  snprintf(dstPath, MAX_TMPFILE_PATH_LENGTH, tmpPath, getpid(), taosGetPthreadId(), atomic_add_fetch_32(&tmpFileSerialNum, 1), ts);
 }
 
 /*