loadrunner測試mysql數據庫及sql語句執行性能

時間  2019-12-23
標籤 loadrunner 測試 mysql 數據庫 sql 語句 執行 性能 欄目 MySQL 简体版
原文   原文鏈接 
/*須要的表結構以下 
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; // 數據庫鏈接   
int query_result; // 查詢結果集 MYSQL_RES   
char** result_row; // 查詢的數據衕   
    
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();   
}   
    
// 建立MySQL對象   
db_connection = mysql_init(NULL);   
if (db_connection == NULL) {   
    lr_error_message("Insufficient memory");   
    lr_abort();   
}   
    
// 鏈接到MySQL數據庫   
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();   
}   
    
// 向數據庫插入數據   
// 此處的 {ORDER_ID} 是一個參數，簡單測試時能夠用一個常數代替   
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();   
}   
    
// 從數據庫讀取一個數據並顯示   
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();   
}   
// 若是結果集包含多行數據，須要屢次調用 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();   
}   
// 保存參數，用於刪除這行數據   
lr_save_string(result_row[0], "paramOrderID");   
lr_output_message("Order ID is: %s", lr_eval_string("{paramOrderID}"));   
mysql_free_result(query_result);   
    
// 在事務裏更新一行數據，須要用InnoDB引擎   
rc = mysql_query(db_connection, "BEGIN"); //啓動事務   
if (rc != 0) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
// 使用 "FOR UPDATE" 鎖住要更新的數據行   
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("沒有查詢到結果");   
    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"); // 提交事務   
if (rc != 0) {   
    lr_error_message("%s", mysql_error(db_connection));   
    mysql_close(db_connection);   
    lr_abort();   
}   
    
// 再次查找數據，應該爲空了，由於前面的事務更新了標誌   
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();   
}   
    
// 刪除數據   
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();   
}   
    
// 釋放MySQL資源   
mysql_close(db_connection);   
    return 0;   
} 
/*須要的表結構以下
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; // 數據庫鏈接
int query_result; // 查詢結果集 MYSQL_RES
char** result_row; // 查詢的數據衕

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();
}

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

// 鏈接到MySQL數據庫
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();
}

// 向數據庫插入數據
// 此處的 {ORDER_ID} 是一個參數，簡單測試時能夠用一個常數代替
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();
}

// 從數據庫讀取一個數據並顯示
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();
}
// 若是結果集包含多行數據，須要屢次調用 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();
}
// 保存參數，用於刪除這行數據
lr_save_string(result_row[0], "paramOrderID");
lr_output_message("Order ID is: %s", lr_eval_string("{paramOrderID}"));
mysql_free_result(query_result);

// 在事務裏更新一行數據，須要用InnoDB引擎
rc = mysql_query(db_connection, "BEGIN"); //啓動事務
if (rc != 0) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}
// 使用 "FOR UPDATE" 鎖住要更新的數據行
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("沒有查詢到結果");
    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"); // 提交事務
if (rc != 0) {
    lr_error_message("%s", mysql_error(db_connection));
    mysql_close(db_connection);
    lr_abort();
}

// 再次查找數據，應該爲空了，由於前面的事務更新了標誌
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();
}

// 刪除數據
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();
}

// 釋放MySQL資源
mysql_close(db_connection);
return 0;
}
相關文章
相關標籤/搜索
每日一句
    每一个你不满意的现在，都有一个你没有努力的曾经。
本站公眾號
   歡迎關注本站公眾號,獲取更多信息
聯繫我們 最近搜索 最新文章 沪ICP备13005482号-10 MyBatis教程 SQL 教程 MySQL教程 Java 教程 Thymeleaf 教程 Hibernate教程 Spring教程 Redis教程