php - 主键错误(自动增量int)在php中调用存储过程

Question

//存储过程名称:insertName，_id为自增

try { 

        $sql = "CALL insertName(:_id, :_name)";
        $res = $pdo->prepare($sql);
        $res -> bindValue(":_id","NULL");
        $res -> bindValue(":_name",$name);
        $res->execute(); 
        $res->setFetchMode(PDO::FETCH_ASSOC);
} catch( PDOException $e ) {

        die( "ERROR ..." .$e->getMessage());
}

//如果我尝试直接插入数字，一切都会正常

try {  
        $sql = "CALL insertName(:_id, :_name)";

        $res = $pdo->prepare($sql);
        $res -> bindValue(":_id",1);
        $res -> bindValue(":_name",$name);
        $res->execute(); 
        $res->setFetchMode(PDO::FETCH_ASSOC);
} catch( PDOException $e ) {

        die( "ERROR ..." .$e->getMessage());
}

//即使我在不​​使用存储过程的情况下尝试此操作也可以正常

try {  
        $sql = 'INSERT INTO (id,name) VALUES (NULL,"'.$name.'" )';
        $res = $pdo->prepare($sql);
        $res->execute(); 
} catch( PDOException $e ) {

        die( "ERROR ..." .$e->getMessage());
}

Answer 1

只插入name值，由于id是自增的，所以会自己取值