????Loadrunner??????????????????SQL??????????????

??????????Loadrunner 8 ???C API?????Vuser ????MySQL????????????sql????????????

?????????????????????????????????????B/S????

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/*???????????
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; // ????????? 
int query_result; // ???????? MYSQL_RES 
char** result_row; // ?????????? 
  
char *server = "localhost"; 
char *user = "root"; 
char *password = "123456"; 
char *database = "test"; 
int port = 3306; 
int unix_socket = NULL;  
int flags = 0;  
  
// ???libmysql.dll??????λ??. 
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(); 
} 
  
// ????MySQL???? 
db_connection = mysql_init(NULL); 
if (db_connection == NULL) { 
    lr_error_message("Insufficient memory"); 
    lr_abort(); 
} 
  
// ?????MySQL????? 
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(); 
} 
  
// ?????????????? 
// ????? {ORDER_ID} ??????????????????????????????????? 
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(); 
}

// ???????????????????? 
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(); 
}