From c2779c2181d4189a4e7cf9d3637f919183b4b58f Mon Sep 17 00:00:00 2001
From: Hui Li <huili@taosdata.com>
Date: Fri, 19 Jun 2020 18:27:34 +0800
Subject: [PATCH 1/3] [add init]

---
 src/kit/taosdump/taosdump.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/kit/taosdump/taosdump.c b/src/kit/taosdump/taosdump.c
index 7fa7ffa3a9..feef1ee81a 100644
--- a/src/kit/taosdump/taosdump.c
+++ b/src/kit/taosdump/taosdump.c
@@ -425,6 +425,7 @@ int taosGetTableRecordInfo(char *table, STableRecordInfo *pTableRecordInfo) {
 
 int taosDumpOut(SDumpArguments *arguments) {
   TAOS_ROW row;
+  TAOS_RES* result = NULL;
   char *temp = NULL;
   FILE *fp = NULL;
   int count = 0;
@@ -464,7 +465,7 @@ int taosDumpOut(SDumpArguments *arguments) {
   taosDumpCharset(fp);
 
   sprintf(command, "show databases");
-  TAOS_RES* result = taos_query(taos, command);
+  result = taos_query(taos, command);
   int32_t code = taos_errno(result);
   if (code != 0) {
     fprintf(stderr, "failed to run command: %s, reason: %s\n", command, taos_errstr(result));

From 78b1f5d632036672ed191f52287df992875c5804 Mon Sep 17 00:00:00 2001
From: Hui Li <huili@taosdata.com>
Date: Fri, 19 Jun 2020 18:31:11 +0800
Subject: [PATCH 2/3] [add init]

---
 src/kit/taosdump/taosdump.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/kit/taosdump/taosdump.c b/src/kit/taosdump/taosdump.c
index feef1ee81a..ccef783709 100644
--- a/src/kit/taosdump/taosdump.c
+++ b/src/kit/taosdump/taosdump.c
@@ -572,7 +572,7 @@ int taosDumpOut(SDumpArguments *arguments) {
   fclose(fp);
   taos_close(taos);
   taos_free_result(result);
-  free(temp);
+  tfree(temp);
   taosFreeDbInfos();
   return 0;
 
@@ -580,7 +580,7 @@ _exit_failure:
   fclose(fp);
   taos_close(taos);
   taos_free_result(result);
-  free(temp);
+  tfree(temp);
   taosFreeDbInfos();
   return -1;
 }

From 6ce994b3e6219e100f2df1adbdb842502fe53833 Mon Sep 17 00:00:00 2001
From: Hui Li <huili@taosdata.com>
Date: Fri, 19 Jun 2020 18:41:22 +0800
Subject: [PATCH 3/3] [Back off using rand for performance]

---
 src/util/src/tutil.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/util/src/tutil.c b/src/util/src/tutil.c
index 4469ad79b1..150767643f 100644
--- a/src/util/src/tutil.c
+++ b/src/util/src/tutil.c
@@ -36,6 +36,7 @@ uint32_t taosRand(void)
 #else
 uint32_t taosRand(void)
 {
+/*
   int fd;
   int seed;
   
@@ -51,6 +52,8 @@ uint32_t taosRand(void)
   }
 
   return (uint32_t)seed;
+*/
+  return rand();
 }
 #endif