diff --git a/tests/examples/c/stmt.c b/tests/examples/c/stmt.c
deleted file mode 100644
index 3de0457f0d293eca84f3a6af55b71ac6237a29b2..0000000000000000000000000000000000000000
--- a/tests/examples/c/stmt.c
+++ /dev/null
@@ -1,537 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "taos.h"
-#include <sys/time.h>
-#include <pthread.h>
-#include <unistd.h>
-#include <assert.h>
-
-void execute_simple_sql(void *taos, char *sql) {
-    TAOS_RES *result = taos_query(taos, sql);
-    if ( result == NULL || taos_errno(result) != 0) {
-        printf( "failed to %s, Reason: %s\n" , sql, taos_errstr(result));
-        taos_free_result(result);
-        exit(EXIT_FAILURE);
-    }
-    taos_free_result(result);
-}
-
-void print_result(TAOS_RES* res) {
-    if (res == NULL) {
-        exit(EXIT_FAILURE);
-    }
-    TAOS_ROW    row = NULL;
-    int         num_fields = taos_num_fields(res);
-    TAOS_FIELD* fields = taos_fetch_fields(res);
-    while ((row = taos_fetch_row(res))) {
-        char temp[256] = {0};
-        taos_print_row(temp, row, fields, num_fields);
-        printf("get result: %s\n", temp);
-    }
-}
-
-void taos_stmt_init_test() {
-	printf("start taos_stmt_init test \n");
-    void *taos = NULL;
-	TAOS_STMT *stmt = NULL;
-    stmt = taos_stmt_init(taos);
-	assert(stmt == NULL);
-    // ASM ERROR
-	// assert(taos_stmt_close(stmt) != 0);
-	taos = taos_connect("127.0.0.1","root","taosdata",NULL,0);
-	if(taos == NULL) {
-		printf("Cannot connect to tdengine server\n");
-		exit(EXIT_FAILURE);
-	}
-	stmt = taos_stmt_init(taos);
-	assert(stmt != NULL);
-	assert(taos_stmt_close(stmt) == 0);
-    printf("finish taos_stmt_init test\n"); 
-}
-void taos_stmt_preprare_test() {
-    printf("start taos_stmt_prepare test\n");
-    char *stmt_sql = calloc(1, 1048576);
-    TAOS_STMT *stmt = NULL;
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) != 0);
-    void *taos = NULL;	
-	taos = taos_connect("127.0.0.1","root","taosdata",NULL,0);
-	if(taos == NULL) {
-		printf("Cannot connect to tdengine server\n");
-		exit(EXIT_FAILURE);
-	}
-    execute_simple_sql(taos, "drop database if exists stmt_test");
-    execute_simple_sql(taos, "create database stmt_test");
-    execute_simple_sql(taos, "use stmt_test");
-    execute_simple_sql(taos, "create table super(ts timestamp, c1 int, c2 bigint, c3 float, c4 double, c5 binary(8), c6 smallint, c7 tinyint, c8 bool, c9 nchar(8), c10 timestamp) tags (t1 int, t2 bigint, t3 float, t4 double, t5 binary(8), t6 smallint, t7 tinyint, t8 bool, t9 nchar(8))");
-    stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    // below will make client dead lock
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) == 0);
-
-    // assert(taos_stmt_close(stmt) == 0);
-    // stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    sprintf(stmt_sql, "select from ?");
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) != 0);
-    assert(taos_stmt_close(stmt) == 0);
-
-    stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    sprintf(stmt_sql, "insert into ? values (?,?,?,?,?,?,?,?,?,?,?)");
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) == 0);
-    assert(taos_stmt_close(stmt) == 0);
-
-    stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    sprintf(stmt_sql, "insert into super values (?,?,?,?,?,?,?,?,?,?,?)");
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) != 0);
-    assert(taos_stmt_close(stmt) == 0);
-
-    stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    sprintf(stmt_sql, "insert into ? values (?,?,?,?,?,?,?,?,1,?,?,?)");
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) == 0);
-    assert(taos_stmt_close(stmt) == 0);
-
-    free(stmt_sql);
-    printf("finish taos_stmt_prepare test\n");
-}
-
-void taos_stmt_set_tbname_test() {
-    printf("start taos_stmt_set_tbname test\n");
-    TAOS_STMT *stmt = NULL;
-    char *name = calloc(1, 200);
-    // ASM ERROR
-    // assert(taos_stmt_set_tbname(stmt, name) != 0);
-    void *taos = taos_connect("127.0.0.1","root","taosdata",NULL,0);
-	if(taos == NULL) {
-		printf("Cannot connect to tdengine server\n");
-		exit(EXIT_FAILURE);
-	}
-    execute_simple_sql(taos, "drop database if exists stmt_test");
-    execute_simple_sql(taos, "create database stmt_test");
-    execute_simple_sql(taos, "use stmt_test");
-    execute_simple_sql(taos, "create table super(ts timestamp, c1 int)");
-    stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    assert(taos_stmt_set_tbname(stmt, name) != 0);
-    char* stmt_sql = calloc(1, 1000);
-    sprintf(stmt_sql, "insert into ? values (?,?)");
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) == 0);
-    sprintf(name, "super");
-    assert(stmt != NULL);
-    assert(taos_stmt_set_tbname(stmt, name) == 0);
-    free(name);
-    free(stmt_sql);
-    taos_stmt_close(stmt);
-    printf("finish taos_stmt_set_tbname test\n");
-}
-
-void taos_stmt_set_tbname_tags_test() {
-    printf("start taos_stmt_set_tbname_tags test\n");
-    TAOS_STMT *stmt = NULL;
-    char *name = calloc(1,20);
-    TAOS_BIND *tags = calloc(1, sizeof(TAOS_BIND));
-    // ASM ERROR
-    // assert(taos_stmt_set_tbname_tags(stmt, name, tags) != 0);
-    void *taos = taos_connect("127.0.0.1","root","taosdata",NULL,0);
-	if(taos == NULL) {
-		printf("Cannot connect to tdengine server\n");
-		exit(EXIT_FAILURE);
-	}
-    execute_simple_sql(taos, "drop database if exists stmt_test");
-    execute_simple_sql(taos, "create database stmt_test");
-    execute_simple_sql(taos, "use stmt_test");
-    execute_simple_sql(taos, "create stable super(ts timestamp, c1 int) tags (id int)");
-    execute_simple_sql(taos, "create table tb using super tags (1)");
-    stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    char* stmt_sql = calloc(1, 1000);
-    sprintf(stmt_sql, "insert into ? using super tags (?) values (?,?)");
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) == 0);
-    assert(taos_stmt_set_tbname_tags(stmt, name, tags) != 0);
-    sprintf(name, "tb");
-    assert(taos_stmt_set_tbname_tags(stmt, name, tags) != 0);
-    int t = 1;
-    tags->buffer_length = TSDB_DATA_TYPE_INT;
-    tags->buffer_length = sizeof(uint32_t);
-    tags->buffer = &t;
-    tags->length = &tags->buffer_length;
-    tags->is_null = NULL;
-    assert(taos_stmt_set_tbname_tags(stmt, name, tags) == 0);
-    free(stmt_sql);
-    free(name);
-    free(tags);
-    taos_stmt_close(stmt);
-    printf("finish taos_stmt_set_tbname_tags test\n");
-}
-
-void taos_stmt_set_sub_tbname_test() {
-    printf("start taos_stmt_set_sub_tbname test\n");
-    TAOS_STMT *stmt = NULL;
-    char *name = calloc(1, 200);
-    // ASM ERROR
-    // assert(taos_stmt_set_sub_tbname(stmt, name) != 0);
-    void *taos = taos_connect("127.0.0.1","root","taosdata",NULL,0);
-	if(taos == NULL) {
-		printf("Cannot connect to tdengine server\n");
-		exit(EXIT_FAILURE);
-	}
-    execute_simple_sql(taos, "drop database if exists stmt_test");
-    execute_simple_sql(taos, "create database stmt_test");
-    execute_simple_sql(taos, "use stmt_test");
-    execute_simple_sql(taos, "create stable super(ts timestamp, c1 int) tags (id int)");
-    execute_simple_sql(taos, "create table tb using super tags (1)");
-    stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    char* stmt_sql = calloc(1, 1000);
-    sprintf(stmt_sql, "insert into ? values (?,?)");
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) == 0);
-    assert(taos_stmt_set_sub_tbname(stmt, name) != 0);
-    sprintf(name, "tb");
-    assert(taos_stmt_set_sub_tbname(stmt, name) == 0);
-    // assert(taos_load_table_info(taos, "super, tb") == 0);
-    // assert(taos_stmt_set_sub_tbname(stmt, name) == 0);
-    free(name);
-    free(stmt_sql);
-    assert(taos_stmt_close(stmt) == 0);
-    printf("finish taos_stmt_set_sub_tbname test\n");
-}
-
-void taos_stmt_bind_param_test() {
-    printf("start taos_stmt_bind_param test\n");
-    TAOS_STMT *stmt = NULL;
-    TAOS_BIND *binds = NULL;
-    assert(taos_stmt_bind_param(stmt, binds) != 0);
-    void *taos = taos_connect("127.0.0.1","root","taosdata",NULL,0);
-	if(taos == NULL) {
-		printf("Cannot connect to tdengine server\n");
-		exit(EXIT_FAILURE);
-	}
-    execute_simple_sql(taos, "drop database if exists stmt_test");
-    execute_simple_sql(taos, "create database stmt_test");
-    execute_simple_sql(taos, "use stmt_test");
-    execute_simple_sql(taos, "create table super(ts timestamp, c1 int)");
-    stmt = taos_stmt_init(taos);
-    char* stmt_sql = calloc(1, 1000);
-    sprintf(stmt_sql, "insert into ? values (?,?)");
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) == 0);
-    assert(taos_stmt_bind_param(stmt, binds) != 0);
-    free(binds);
-    TAOS_BIND *params = calloc(2, sizeof(TAOS_BIND));
-    int64_t ts = (int64_t)1591060628000;
-    params[0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
-    params[0].buffer_length = sizeof(uint64_t);
-    params[0].buffer = &ts;
-    params[0].length = &params[0].buffer_length;
-    params[0].is_null = NULL;
-    int32_t i = (int32_t)21474;
-    params[1].buffer_type = TSDB_DATA_TYPE_INT;
-    params[1].buffer_length = sizeof(int32_t);
-    params[1].buffer = &i;
-    params[1].length = &params[1].buffer_length;
-    params[1].is_null = NULL;
-    assert(taos_stmt_bind_param(stmt, params) != 0);
-    assert(taos_stmt_set_tbname(stmt, "super") == 0);
-    assert(taos_stmt_bind_param(stmt, params) == 0);
-    free(params);
-    free(stmt_sql);
-    taos_stmt_close(stmt);
-    printf("finish taos_stmt_bind_param test\n");
-}
-
-void taos_stmt_bind_single_param_batch_test() {
-    printf("start taos_stmt_bind_single_param_batch test\n");
-    TAOS_STMT *stmt = NULL;
-    TAOS_MULTI_BIND *bind = NULL;
-    assert(taos_stmt_bind_single_param_batch(stmt, bind, 0) != 0);
-    printf("finish taos_stmt_bind_single_param_batch test\n");
-}
-
-void taos_stmt_bind_param_batch_test() {
-    printf("start taos_stmt_bind_param_batch test\n");
-    TAOS_STMT *stmt = NULL;
-    TAOS_MULTI_BIND *bind = NULL;
-    assert(taos_stmt_bind_param_batch(stmt, bind) != 0);
-    printf("finish taos_stmt_bind_param_batch test\n");
-}
-
-void taos_stmt_add_batch_test() {
-    printf("start taos_stmt_add_batch test\n");
-    TAOS_STMT *stmt = NULL;
-    assert(taos_stmt_add_batch(stmt) != 0);
-    void *taos = taos_connect("127.0.0.1","root","taosdata",NULL,0);
-	if(taos == NULL) {
-		printf("Cannot connect to tdengine server\n");
-		exit(EXIT_FAILURE);
-	}
-    execute_simple_sql(taos, "drop database if exists stmt_test");
-    execute_simple_sql(taos, "create database stmt_test");
-    execute_simple_sql(taos, "use stmt_test");
-    execute_simple_sql(taos, "create table super(ts timestamp, c1 int)");
-    stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    char* stmt_sql = calloc(1, 1000);
-    sprintf(stmt_sql, "insert into ? values (?,?)");
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) == 0);
-    assert(taos_stmt_add_batch(stmt) != 0);
-    TAOS_BIND *params = calloc(2, sizeof(TAOS_BIND));
-    int64_t ts = (int64_t)1591060628000;
-    params[0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
-    params[0].buffer_length = sizeof(uint64_t);
-    params[0].buffer = &ts;
-    params[0].length = &params[0].buffer_length;
-    params[0].is_null = NULL;
-    int32_t i = (int32_t)21474;
-    params[1].buffer_type = TSDB_DATA_TYPE_INT;
-    params[1].buffer_length = sizeof(int32_t);
-    params[1].buffer = &i;
-    params[1].length = &params[1].buffer_length;
-    params[1].is_null = NULL;
-    assert(taos_stmt_set_tbname(stmt, "super") == 0);
-    assert(taos_stmt_bind_param(stmt, params) == 0);
-    assert(taos_stmt_add_batch(stmt) == 0);
-    free(params);
-    free(stmt_sql);
-    assert(taos_stmt_close(stmt) == 0);
-    printf("finish taos_stmt_add_batch test\n");
-}
-
-void taos_stmt_execute_test() {
-    printf("start taos_stmt_execute test\n");
-    TAOS_STMT *stmt = NULL;
-    assert(taos_stmt_execute(stmt) != 0);
-    void *taos = taos_connect("127.0.0.1","root","taosdata",NULL,0);
-	if(taos == NULL) {
-		printf("Cannot connect to tdengine server\n");
-		exit(EXIT_FAILURE);
-	}
-    execute_simple_sql(taos, "drop database if exists stmt_test");
-    execute_simple_sql(taos, "create database stmt_test");
-    execute_simple_sql(taos, "use stmt_test");
-    execute_simple_sql(taos, "create table super(ts timestamp, c1 int)");
-    stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    assert(taos_stmt_execute(stmt) != 0);
-    char* stmt_sql = calloc(1, 1000);
-    sprintf(stmt_sql, "insert into ? values (?,?)");
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) == 0);
-    assert(taos_stmt_execute(stmt) != 0);
-    TAOS_BIND *params = calloc(2, sizeof(TAOS_BIND));
-    int64_t ts = (int64_t)1591060628000;
-    params[0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
-    params[0].buffer_length = sizeof(uint64_t);
-    params[0].buffer = &ts;
-    params[0].length = &params[0].buffer_length;
-    params[0].is_null = NULL;
-    int32_t i = (int32_t)21474;
-    params[1].buffer_type = TSDB_DATA_TYPE_INT;
-    params[1].buffer_length = sizeof(int32_t);
-    params[1].buffer = &i;
-    params[1].length = &params[1].buffer_length;
-    params[1].is_null = NULL;
-    assert(taos_stmt_set_tbname(stmt, "super") == 0);
-    assert(taos_stmt_execute(stmt) != 0);
-    assert(taos_stmt_bind_param(stmt, params) == 0);
-    assert(taos_stmt_execute(stmt) != 0);
-    assert(taos_stmt_add_batch(stmt) == 0);
-    assert(taos_stmt_execute(stmt) == 0);
-    free(params);
-    free(stmt_sql);
-    assert(taos_stmt_close(stmt) == 0);
-    printf("finish taos_stmt_execute test\n");
-}
-
-void taos_stmt_use_result_query(void *taos, char *col, int type) {
-    TAOS_STMT *stmt = taos_stmt_init(taos);
-    assert(stmt != NULL);
-    char *stmt_sql = calloc(1, 1024);
-    struct {
-        int64_t long_value;
-        int64_t ts_value;
-        uint64_t ulong_value;
-        int32_t int_value;
-        uint32_t uint_value;
-        int16_t small_value;
-        uint16_t usmall_value;
-        int8_t tiny_value;
-        uint8_t utiny_value;
-        float float_value;
-        double double_value;
-        char binary_value[10];
-        char nchar_value[32];
-    } v = {0};
-    v.ts_value = (int64_t)1591060628000;
-    v.long_value = (int64_t)1;
-    v.int_value = (int32_t)1;
-    v.small_value = (int16_t)1;
-    v.tiny_value = (int8_t)1;
-    v.ulong_value = (uint64_t)1;
-    v.uint_value = (uint32_t)1;
-    v.usmall_value = (uint16_t)1;
-    v.utiny_value = (uint8_t)1;
-    v.float_value = (float)1;
-    v.double_value = (double)1;
-    strcpy(v.binary_value, "abcdefgh");
-    strcpy(v.nchar_value, "一二三四五六七八");
-    uintptr_t nchar_value_len = strlen(v.nchar_value);
-    sprintf(stmt_sql, "select * from stmt_test.t1 where %s = ?", col);
-    printf("stmt_sql: %s\n", stmt_sql);
-    assert(taos_stmt_prepare(stmt, stmt_sql, 0) == 0);
-    TAOS_BIND *params = calloc(1, sizeof(TAOS_BIND));
-    params->buffer_type = type;
-    params->is_null = NULL;
-    switch(type){
-        case TSDB_DATA_TYPE_TIMESTAMP:
-            params->buffer_length = sizeof(v.ts_value);
-            params->buffer = &v.ts_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_INT:
-            params->buffer_length = sizeof(v.int_value);
-            params->buffer = &v.int_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_BIGINT:
-            params->buffer_length = sizeof(v.long_value);
-            params->buffer = &v.long_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_FLOAT:
-            params->buffer_length = sizeof(v.float_value);
-            params->buffer = &v.float_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_DOUBLE:
-            params->buffer_length = sizeof(v.double_value);
-            params->buffer = &v.double_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_BINARY:
-            params->buffer_length = sizeof(v.binary_value);
-            params->buffer = &v.binary_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_SMALLINT:
-            params->buffer_length = sizeof(v.small_value);
-            params->buffer = &v.small_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_TINYINT:
-            params->buffer_length = sizeof(v.tiny_value);
-            params->buffer = &v.tiny_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_BOOL:
-            params->buffer_length = sizeof(v.tiny_value);
-            params->buffer = &v.tiny_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_NCHAR:
-            params->buffer_length = sizeof(v.nchar_value);
-            params->buffer = &v.nchar_value;
-            params->length = &nchar_value_len;
-            break;
-        case TSDB_DATA_TYPE_UINT:
-            params->buffer_length = sizeof(v.uint_value);
-            params->buffer = &v.uint_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_UBIGINT:
-            params->buffer_length = sizeof(v.ulong_value);
-            params->buffer = &v.ulong_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_USMALLINT:
-            params->buffer_length = sizeof(v.usmall_value);
-            params->buffer = &v.usmall_value;
-            params->length = &params->buffer_length;
-            break;
-        case TSDB_DATA_TYPE_UTINYINT:
-            params->buffer_length = sizeof(v.utiny_value);
-            params->buffer = &v.utiny_value;
-            params->length = &params->buffer_length;
-            break;
-        default:
-            printf("Cannnot find type: %d\n", type);
-            break;
-
-    }
-    assert(taos_stmt_bind_param(stmt, params) == 0);
-    assert(taos_stmt_execute(stmt) == 0);
-    TAOS_RES* result = taos_stmt_use_result(stmt);
-    assert(result != NULL);
-    print_result(result);
-    assert(taos_stmt_close(stmt) == 0);
-    free(params);
-    free(stmt_sql);
-    taos_free_result(result);
-}
-
-void taos_stmt_use_result_test() {
-    printf("start taos_stmt_use_result test\n");
-    void *taos = taos_connect("127.0.0.1","root","taosdata",NULL,0);
-    if(taos == NULL) {
-		printf("Cannot connect to tdengine server\n");
-		exit(EXIT_FAILURE);
-	}
-    execute_simple_sql(taos, "drop database if exists stmt_test");
-    execute_simple_sql(taos, "create database stmt_test");
-    execute_simple_sql(taos, "use stmt_test");
-    execute_simple_sql(taos, "create table super(ts timestamp, c1 int, c2 bigint, c3 float, c4 double, c5 binary(8), c6 smallint, c7 tinyint, c8 bool, c9 nchar(8), c10 timestamp, c11 int unsigned, c12 bigint unsigned, c13 smallint unsigned, c14 tinyint unsigned) tags (t1 int, t2 bigint, t3 float, t4 double, t5 binary(8), t6 smallint, t7 tinyint, t8 bool, t9 nchar(8), t10 int unsigned, t11 bigint unsigned, t12 smallint unsigned, t13 tinyint unsigned)");
-    execute_simple_sql(taos, "create table t1 using super tags (1, 1, 1, 1, 'abcdefgh',1,1,1,'一二三四五六七八', 1, 1, 1, 1)");
-    execute_simple_sql(taos, "insert into t1 values (1591060628000, 1, 1, 1, 1, 'abcdefgh',1,1,1,'一二三四五六七八', now, 1, 1, 1, 1)");
-    execute_simple_sql(taos, "insert into t1 values (1591060628001, 1, 1, 1, 1, 'abcdefgh',1,1,1,'一二三四五六七八', now, 1, 1, 1, 1)");
-    
-    // taos_stmt_use_result_query(taos, "ts", TSDB_DATA_TYPE_TIMESTAMP);
-    taos_stmt_use_result_query(taos, "c1", TSDB_DATA_TYPE_INT);
-    taos_stmt_use_result_query(taos, "c2", TSDB_DATA_TYPE_BIGINT);
-    taos_stmt_use_result_query(taos, "c3", TSDB_DATA_TYPE_FLOAT);
-    taos_stmt_use_result_query(taos, "c4", TSDB_DATA_TYPE_DOUBLE);
-    taos_stmt_use_result_query(taos, "c5", TSDB_DATA_TYPE_BINARY);
-    taos_stmt_use_result_query(taos, "c6", TSDB_DATA_TYPE_SMALLINT);
-    taos_stmt_use_result_query(taos, "c7", TSDB_DATA_TYPE_TINYINT);
-    taos_stmt_use_result_query(taos, "c8", TSDB_DATA_TYPE_BOOL);
-    taos_stmt_use_result_query(taos, "c9", TSDB_DATA_TYPE_NCHAR);
-    // taos_stmt_use_result_query(taos, "c10", TSDB_DATA_TYPE_TIMESTAMP);
-    taos_stmt_use_result_query(taos, "c11", TSDB_DATA_TYPE_UINT);
-    taos_stmt_use_result_query(taos, "c12", TSDB_DATA_TYPE_UBIGINT);
-    taos_stmt_use_result_query(taos, "c13", TSDB_DATA_TYPE_USMALLINT);
-    taos_stmt_use_result_query(taos, "c14", TSDB_DATA_TYPE_UTINYINT);
-    
-    printf("finish taos_stmt_use_result test\n");
-}
-
-void taos_stmt_close_test() {
-    printf("start taos_stmt_close test\n");
-    // ASM ERROR
-    // TAOS_STMT *stmt = NULL;
-    // assert(taos_stmt_close(stmt) != 0);
-    printf("finish taos_stmt_close test\n");
-}
-
-void test_api_reliability() {
-	// ASM catch memory leak
-    taos_stmt_init_test();
-	taos_stmt_preprare_test();
-    taos_stmt_set_tbname_test();
-    taos_stmt_set_tbname_tags_test();
-    taos_stmt_set_sub_tbname_test();
-    taos_stmt_bind_param_test();
-    taos_stmt_bind_single_param_batch_test();
-    taos_stmt_bind_param_batch_test();
-    taos_stmt_add_batch_test();
-    taos_stmt_execute_test();
-    taos_stmt_close_test();
-}
-
-void test_query() {
-    taos_stmt_use_result_test();
-}
-
-int main(int argc, char *argv[]) {
-    // test_api_reliability();
-    test_query();
-    return 0;
-}
\ No newline at end of file