loadrunner测试mysql数据库及sql语句执行性能

原创
2016/06/18 17:27
阅读数 855
AI总结
/*需要的表结构如下 
CREATE TABLE `test_data` ( 
`order_id` BIGINT UNSIGNED NOT NULL COMMENT 'Order numbers. Must be unique.', 
`status` BOOL NOT NULL DEFAULT '0' COMMENT 'Whether data has been used or not. A value of 0 means FALSE.', 
`date_used` DATETIME NULL COMMENT 'Date/time that the data was used.', 
UNIQUE ( 
    `order_id` 
) 
) ENGINE = innodb COMMENT = 'LoadRunner test data'; 
*/ 
Action()   
{   
int rc;    
int db_connection; // 数据库连接   
int query_result; // 查询结果集 MYSQL_RES   
char** result_row; // 查询的数据衕   
    
char *server = "localhost";   
char *user = "root";   
char *password = "123456";   
char *database = "test";   
int port = 3306;   
int unix_socket = NULL;    
int flags = 0;    
    
// 找到libmysql.dll的所在位置.   
rc = lr_load_dll("C:\\Program Files\\MySQL\\MySQL Server 5.1\\bin\\libmysql.dll");   
if (rc != 0) {   
    lr_error_message("Could not load libmysql.dll");   
    lr_abort();   
}   
    
// 创建MySQL对象   
db_connection = mysql_init(NULL);   
if (db_connection == NULL) {   
    lr_error_message("Insufficient memory");   
    lr_abort();   
}   
    
// 连接到MySQL数据库   
rc = mysql_real_connect(db_connection, server, user, password, database, port, unix_socket, flags);   
if (rc == NULL) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
    
// 向数据库插入数据   
// 此处的 {ORDER_ID} 是一个参数,简单测试时可以用一个常数代替   
lr_save_string (lr_eval_string("INSERT INTO test_data (order_id) VALUES ({ORDER_ID})"),"paramInsertQuery");    
rc = mysql_query(db_connection, lr_eval_string("{paramInsertQuery}"));   
if (rc != 0) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
    
// 从数据库读取一个数据并显示   
rc = mysql_query(db_connection, "SELECT order_id FROM test_data WHERE status IS FALSE LIMIT 1");   
if (rc != 0) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
query_result = mysql_use_result(db_connection);   
if (query_result == NULL) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_free_result(query_result);   
    mysql_close(db_connection);   
    lr_abort();   
}   
// 如果结果集包含多行数据,需要多次调用 mysql_fetch_row 直到返回NULL   
result_row = (char **)mysql_fetch_row(query_result);    
if (result_row == NULL) {   
    lr_error_message("Did not expect the result set to be empty");   
    mysql_free_result(query_result);   
    mysql_close(db_connection);   
    lr_abort();   
}   
// 保存参数,用于删除这行数据   
lr_save_string(result_row[0], "paramOrderID");   
lr_output_message("Order ID is: %s", lr_eval_string("{paramOrderID}"));   
mysql_free_result(query_result);   
    
// 在事务里更新一行数据,需要用InnoDB引擎   
rc = mysql_query(db_connection, "BEGIN"); //启动事务   
if (rc != 0) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
// 使用 "FOR UPDATE" 锁住要更新的数据行   
rc = mysql_query(db_connection, "SELECT order_id FROM test_data WHERE status IS FALSE LIMIT 1 FOR UPDATE");    
if (rc != 0) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
query_result = mysql_use_result(db_connection);   
if (query_result == NULL) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_free_result(query_result);   
    mysql_close(db_connection);   
    lr_abort();   
}   
result_row = (char **)mysql_fetch_row(query_result);    
if (result_row == NULL) {   
    lr_error_message("没有查询到结果");   
    mysql_free_result(query_result);   
    mysql_close(db_connection);   
    lr_abort();   
}   
lr_save_string(result_row[0], "paramOrderID");   
lr_output_message("Order ID is: %s", lr_eval_string("{paramOrderID}"));   
mysql_free_result(query_result);   
lr_save_string(lr_eval_string("UPDATE test_data SET status=TRUE, date_used=NOW() WHERE order_id='{paramOrderID}'"),"paramUpdateQuery");   
rc = mysql_query(db_connection, lr_eval_string("{paramUpdateQuery}"));   
if (rc != 0) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
rc = mysql_query(db_connection, "COMMIT"); // 提交事务   
if (rc != 0) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
    
// 再次查找数据,应该为空了,因为前面的事务更新了标志   
rc = mysql_query(db_connection, "SELECT order_id FROM test_data WHERE status IS FALSE LIMIT 1");   
if (rc != 0) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
query_result = mysql_use_result(db_connection);   
if (query_result == NULL) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_free_result(query_result);   
    mysql_close(db_connection);   
    lr_abort();   
}   
result_row = (char **)mysql_fetch_row(query_result);   
if (result_row == NULL) {   
    lr_output_message("Result set is empty as expected");   
    mysql_free_result(query_result);   
} else {   
    lr_error_message("Did not expect the result set to contain any rows");   
    mysql_free_result(query_result);   
    mysql_close(db_connection);   
    lr_abort();   
}   
    
// 删除数据   
lr_save_string(lr_eval_string("DELETE FROM test_data WHERE order_id = '{paramOrderID}'"),"paramDeleteQuery");   
rc = mysql_query(db_connection, lr_eval_string("{paramDeleteQuery}"));   
if (rc != 0) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
    
// 释放MySQL资源   
mysql_close(db_connection);   
    return 0;   
} 
/*需要的表结构如下
CREATE TABLE `test_data` (
`order_id` BIGINT UNSIGNED NOT NULL COMMENT 'Order numbers. Must be unique.',
`status` BOOL NOT NULL DEFAULT '0' COMMENT 'Whether data has been used or not. A value of 0 means FALSE.',
`date_used` DATETIME NULL COMMENT 'Date/time that the data was used.',
UNIQUE (
    `order_id`
)
) ENGINE = innodb COMMENT = 'LoadRunner test data';
*/
Action()
{
int rc; 
int db_connection; // 数据库连接
int query_result; // 查询结果集 MYSQL_RES
char** result_row; // 查询的数据衕

char *server = "localhost";
char *user = "root";
char *password = "123456";
char *database = "test";
int port = 3306;
int unix_socket = NULL; 
int flags = 0; 

// 找到libmysql.dll的所在位置.
rc = lr_load_dll("C:\\Program Files\\MySQL\\MySQL Server 5.1\\bin\\libmysql.dll");
if (rc != 0) {
    lr_error_message("Could not load libmysql.dll");
    lr_abort();
}

// 创建MySQL对象
db_connection = mysql_init(NULL);
if (db_connection == NULL) {
    lr_error_message("Insufficient memory");
    lr_abort();
}

// 连接到MySQL数据库
rc = mysql_real_connect(db_connection, server, user, password, database, port, unix_socket, flags);
if (rc == NULL) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}

// 向数据库插入数据
// 此处的 {ORDER_ID} 是一个参数,简单测试时可以用一个常数代替
lr_save_string (lr_eval_string("INSERT INTO test_data (order_id) VALUES ({ORDER_ID})"),"paramInsertQuery"); 
rc = mysql_query(db_connection, lr_eval_string("{paramInsertQuery}"));
if (rc != 0) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}

// 从数据库读取一个数据并显示
rc = mysql_query(db_connection, "SELECT order_id FROM test_data WHERE status IS FALSE LIMIT 1");
if (rc != 0) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}
query_result = mysql_use_result(db_connection);
if (query_result == NULL) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_free_result(query_result);
    mysql_close(db_connection);
    lr_abort();
}
// 如果结果集包含多行数据,需要多次调用 mysql_fetch_row 直到返回NULL
result_row = (char **)mysql_fetch_row(query_result); 
if (result_row == NULL) {
    lr_error_message("Did not expect the result set to be empty");
    mysql_free_result(query_result);
    mysql_close(db_connection);
    lr_abort();
}
// 保存参数,用于删除这行数据
lr_save_string(result_row[0], "paramOrderID");
lr_output_message("Order ID is: %s", lr_eval_string("{paramOrderID}"));
mysql_free_result(query_result);

// 在事务里更新一行数据,需要用InnoDB引擎
rc = mysql_query(db_connection, "BEGIN"); //启动事务
if (rc != 0) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}
// 使用 "FOR UPDATE" 锁住要更新的数据行
rc = mysql_query(db_connection, "SELECT order_id FROM test_data WHERE status IS FALSE LIMIT 1 FOR UPDATE"); 
if (rc != 0) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}
query_result = mysql_use_result(db_connection);
if (query_result == NULL) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_free_result(query_result);
    mysql_close(db_connection);
    lr_abort();
}
result_row = (char **)mysql_fetch_row(query_result); 
if (result_row == NULL) {
    lr_error_message("没有查询到结果");
    mysql_free_result(query_result);
    mysql_close(db_connection);
    lr_abort();
}
lr_save_string(result_row[0], "paramOrderID");
lr_output_message("Order ID is: %s", lr_eval_string("{paramOrderID}"));
mysql_free_result(query_result);
lr_save_string(lr_eval_string("UPDATE test_data SET status=TRUE, date_used=NOW() WHERE order_id='{paramOrderID}'"),"paramUpdateQuery");
rc = mysql_query(db_connection, lr_eval_string("{paramUpdateQuery}"));
if (rc != 0) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}
rc = mysql_query(db_connection, "COMMIT"); // 提交事务
if (rc != 0) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}

// 再次查找数据,应该为空了,因为前面的事务更新了标志
rc = mysql_query(db_connection, "SELECT order_id FROM test_data WHERE status IS FALSE LIMIT 1");
if (rc != 0) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}
query_result = mysql_use_result(db_connection);
if (query_result == NULL) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_free_result(query_result);
    mysql_close(db_connection);
    lr_abort();
}
result_row = (char **)mysql_fetch_row(query_result);
if (result_row == NULL) {
    lr_output_message("Result set is empty as expected");
    mysql_free_result(query_result);
} else {
    lr_error_message("Did not expect the result set to contain any rows");
    mysql_free_result(query_result);
    mysql_close(db_connection);
    lr_abort();
}

// 删除数据
lr_save_string(lr_eval_string("DELETE FROM test_data WHERE order_id = '{paramOrderID}'"),"paramDeleteQuery");
rc = mysql_query(db_connection, lr_eval_string("{paramDeleteQuery}"));
if (rc != 0) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}

// 释放MySQL资源
mysql_close(db_connection);
return 0;
}

 

展开阅读全文
加载中
点击加入讨论🔥(2) 发布并加入讨论🔥
2 评论
1 收藏
1
分享
AI总结
返回顶部
顶部