[TD-5445]<fix>: taosdemo bug stmt interface with sample data. (#6971)

sync from develop branch.

src/kit/taosdemo/taosdemo.c

@@ -16,7 +16,7 @@
 
 /*
    when in some thread query return error, thread don't exit, but return, otherwise coredump in other thread.
-*/
+   */
 
 #include <stdint.h>
 #include <taos.h>
@@ -24,24 +24,24 @@
 #define CURL_STATICLIB
 
 #ifdef LINUX
-  #include <argp.h>
-  #include <inttypes.h>
-  #ifndef _ALPINE
-    #include <error.h>
-  #endif
-  #include <pthread.h>
-  #include <semaphore.h>
-  #include <stdbool.h>
-  #include <stdio.h>
-  #include <string.h>
-  #include <sys/time.h>
-  #include <time.h>
-  #include <unistd.h>
-  #include <wordexp.h>
-  #include <regex.h>
+#include <argp.h>
+#include <inttypes.h>
+#ifndef _ALPINE
+#include <error.h>
+#endif
+#include <pthread.h>
+#include <semaphore.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+#include <wordexp.h>
+#include <regex.h>
 #else
-  #include <regex.h>
-  #include <stdio.h>
+#include <regex.h>
+#include <stdio.h>
 #endif
 
 #include <assert.h>
@@ -485,7 +485,7 @@ typedef unsigned __int32 uint32_t;
 #pragma comment ( lib, "ws2_32.lib" )
 // Some old MinGW/CYGWIN distributions don't define this:
 #ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
-  #define ENABLE_VIRTUAL_TERMINAL_PROCESSING  0x0004
+#define ENABLE_VIRTUAL_TERMINAL_PROCESSING  0x0004
 #endif // ENABLE_VIRTUAL_TERMINAL_PROCESSING
 
 static HANDLE g_stdoutHandle;
@@ -2697,7 +2697,7 @@ static int getSuperTableFromServer(TAOS * taos, char* dbName,
 
     calcRowLen(superTbls);
 
-/*
+    /*
        if (TBL_ALREADY_EXISTS == superTbls->childTblExists) {
     //get all child table name use cmd: select tbname from superTblName;
     int childTblCount = 10000;
@@ -3270,7 +3270,7 @@ static void createChildTables() {
 
 /*
    Read 10000 lines at most. If more than 10000 lines, continue to read after using
-*/
+   */
 static int readTagFromCsvFileToMem(SSuperTable  * superTblInfo) {
     size_t  n = 0;
     ssize_t readLen = 0;
@@ -3338,7 +3338,7 @@ static int readTagFromCsvFileToMem(SSuperTable  * superTblInfo) {
 
 /*
    Read 10000 lines at most. If more than 10000 lines, continue to read after using
-*/
+   */
 static int readSampleFromCsvFileToMem(
         SSuperTable* superTblInfo) {
     size_t  n = 0;
@@ -5118,7 +5118,8 @@ static int32_t execInsert(threadInfo *pThreadInfo, uint32_t k)
 
 #if STMT_IFACE_ENABLED == 1
         case STMT_IFACE:
-            debugPrint("%s() LN%d, stmt=%p", __func__, __LINE__, pThreadInfo->stmt);
+            debugPrint("%s() LN%d, stmt=%p",
+                    __func__, __LINE__, pThreadInfo->stmt);
             if (0 != taos_stmt_execute(pThreadInfo->stmt)) {
                 errorPrint("%s() LN%d, failied to execute insert statement\n",
                         __func__, __LINE__);
@@ -5771,6 +5772,8 @@ static int32_t prepareStbStmtBind(
     TAOS_BIND *bind;
 
     if (isColumn) {
+        int cursor = 0;
+
         for (int i = 0; i < stbInfo->columnCount + 1; i ++) {
             bind = (TAOS_BIND *)((char *)bindArray + (sizeof(TAOS_BIND) * i));
 
@@ -5794,7 +5797,6 @@ static int32_t prepareStbStmtBind(
 
                 ptr += bind->buffer_length;
             } else {
-                int cursor = 0;
 
                 if (sourceRand) {
                     if ( -1 == prepareStmtBindArrayByType(
@@ -5851,6 +5853,7 @@ static int32_t prepareStbStmtBind(
 
     }
 
+    free(bindBuffer);
     return 0;
 }
 
@@ -6570,7 +6573,7 @@ static void callBack(void *param, TAOS_RES *res, int code) {
     pstr += sprintf(pstr, "insert into %s.%s%"PRId64" values",
             pThreadInfo->db_name, pThreadInfo->tb_prefix,
             pThreadInfo->start_table_from);
-//  if (pThreadInfo->counter >= pThreadInfo->superTblInfo->insertRows) {
+    //  if (pThreadInfo->counter >= pThreadInfo->superTblInfo->insertRows) {
     if (pThreadInfo->counter >= g_args.num_of_RPR) {
         pThreadInfo->start_table_from++;
         pThreadInfo->counter = 0;
@@ -6724,14 +6727,17 @@ static void startMultiThreadInsertData(int threads, char* db_name,
         int64_t limit;
         uint64_t offset;
 
-        if ((NULL != g_args.sqlFile) && (superTblInfo->childTblExists == TBL_NO_EXISTS) &&
-                ((superTblInfo->childTblOffset != 0) || (superTblInfo->childTblLimit >= 0))) {
+        if ((NULL != g_args.sqlFile)
+                && (superTblInfo->childTblExists == TBL_NO_EXISTS)
+                && ((superTblInfo->childTblOffset != 0)
+                    || (superTblInfo->childTblLimit >= 0))) {
             printf("WARNING: offset and limit will not be used since the child tables not exists!\n");
         }
 
         if (superTblInfo->childTblExists == TBL_ALREADY_EXISTS) {
             if ((superTblInfo->childTblLimit < 0)
-                    || ((superTblInfo->childTblOffset + superTblInfo->childTblLimit)
+                    || ((superTblInfo->childTblOffset
+                            + superTblInfo->childTblLimit)
                         > (superTblInfo->childTblCount))) {
                 superTblInfo->childTblLimit =
                     superTblInfo->childTblCount - superTblInfo->childTblOffset;
@@ -6837,7 +6843,8 @@ static void startMultiThreadInsertData(int threads, char* db_name,
 
 #if STMT_IFACE_ENABLED == 1
             if ((g_args.iface == STMT_IFACE)
-                    || ((superTblInfo) && (superTblInfo->iface == STMT_IFACE))) {
+                    || ((superTblInfo)
+                        && (superTblInfo->iface == STMT_IFACE))) {
 
                 int columnCount;
                 if (superTblInfo) {
@@ -6865,7 +6872,8 @@ static void startMultiThreadInsertData(int threads, char* db_name,
                             == superTblInfo->autoCreateTable)) {
                     pstr += sprintf(pstr, "INSERT INTO ? USING %s TAGS(?",
                             superTblInfo->sTblName);
-                    for (int tag = 0; tag < (superTblInfo->tagCount - 1); tag ++ ) {
+                    for (int tag = 0; tag < (superTblInfo->tagCount - 1);
+                            tag ++ ) {
                         pstr += sprintf(pstr, ",?");
                     }
                     pstr += sprintf(pstr, ") VALUES(?");
@@ -7027,12 +7035,12 @@ static void *readTable(void *sarg) {
     }
 
     int64_t num_of_DPT;
-/*  if (pThreadInfo->superTblInfo) {
+    /*  if (pThreadInfo->superTblInfo) {
         num_of_DPT = pThreadInfo->superTblInfo->insertRows; //  nrecords_per_table;
         } else {
         */
     num_of_DPT = g_args.num_of_DPT;
-//  }
+    //  }
 
     int64_t num_of_tables = pThreadInfo->ntables; // rinfo->end_table_to - rinfo->start_table_from + 1;
     int64_t totalData = num_of_DPT * num_of_tables;
@@ -7591,7 +7599,7 @@ static int queryTestProcess() {
     tmfree((char*)pidsOfSub);
     tmfree((char*)infosOfSub);
 
-//  taos_close(taos);// TODO: workaround to use separate taos connection;
+    //  taos_close(taos);// TODO: workaround to use separate taos connection;
     uint64_t endTs = taosGetTimestampMs();
 
     uint64_t totalQueried = g_queryInfo.specifiedQueryInfo.totalQueried +
@@ -7817,7 +7825,7 @@ static void *superSubscribe(void *sarg) {
 
 static void *specifiedSubscribe(void *sarg) {
     threadInfo *pThreadInfo = (threadInfo *)sarg;
-//  TAOS_SUB*  tsub = NULL;
+    //  TAOS_SUB*  tsub = NULL;
 
     setThreadName("specSub");
 
@@ -8076,7 +8084,7 @@ static int subscribeTestProcess() {
 
     tmfree((char*)pidsOfStable);
     tmfree((char*)infosOfStable);
-//   taos_close(taos);
+    //   taos_close(taos);
     return 0;
 }