mco_trans_isolation_level

此函数返回连接的当前隔离级别。

    MCO_RET mco_trans_isolation_level(
    	mco_trans_h t, 
    	MCO_TRANS_ISOLATION_LEVEL* isolation_level
    );

参数

t

mco_trans_h

由 mco_trans_start() 函数返回的 mco_trans_h 事务句柄。

level

MCO_TRANS_ISOLATION_LEVEL*

当前连接的隔离级别。

返回

MCO_S_OK

已成功返回隔离级别。

示例

    /*  应用程序代码片段 */
        
     
    const char * dbname = "SimpleDb";
     
    int main(int argc, char* argv[])
    {
        mco_db_h db;
        MCO_RET rc;
        mco_device_t       dev;
        mco_db_params_t    db_params;
        mco_trans_h t;
        MCO_TRANS_ISOLATION_LEVEL level;
         
        ...
        rc = mco_db_open_dev( dbname, simple_get_dictionary(), &dev, 1, &db_params );
        if ( MCO_S_OK != rc )
        {
            rc = mco_db_connect(  dbname, &db );
            ...
            level = mco_trans_isolation_level(t, &level);
        
            if ( level & MCO_REPEATABLE_READ )
            {
                printf("\nIsolation level is Read_Repeatable." );
            }
            ...
        }
        ...
    }

文件

• 头文件：mco.h
• 源文件：mcotrans.c
• 库：libmcolib.a