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I can not dynamically change table name(dev-1.9)
  • sosekisoseki
    Hello there,

    I have following method in the model.
     
     public static function set_table(int $user_id)                                                                                
      {                                                                                                                             
        static::$_table_name = "tests_".substr(str_pad((string)$user_id,2,0,STR_PAD_LEFT),-2); 
      }   

    public static function add($user_id)
    {
      $prop = array('user_id'=>$user_id);
      self::set_table($user_id);
      return self::forge($prop)->save(); 
    }

    But, it dose not change the table name.

    Do you have any suggetion for this?

    Regards,
  • WanWizardWanWizard
    Accepted Answer
    Do not use self:, use static:. Late static binding is important if you change static properties.
  • atabakatabak
    in your model:
    public static function table()
    {
          // some magic code
          return 'new_table_name';
    }
  • WanWizardWanWizard
    Accepted Answer
    The model already has a static method for retrieving the table name.

    The problem is that self:: will call the original base model, not the current derived class. You need late static binding for that.
  • sosekisoseki
    Hello there,

    Sorry for late reply.

    Thank you very much for your help.

    I did not know that I have to use static:: all the time when I change static properties.

    I still have to more about PHP.

    Thank you, Harro :)
  • WanWizardWanWizard
    Accepted Answer
    No worries, we've all been there.

  • sosekisoseki
    Thank you, Harror :)
    I always appreciate it .
  • sosekisoseki
    Hello there,

    I have different issue about this.

    When I try to change the table like following, it dose not save the data that I specified.

    public static function set_table(int $user_id)                                                                                
      {                                                                                                                             
        static::$_table_name = "tests_".substr(str_pad((string)$user_id,2,0,STR_PAD_LEFT),-2); 
      }   

    public static function add($user_id)
    {
      $prop = array('user_id'=>$user_id);
      static::set_table($user_id);
      return static::forge($prop)->save(); 
    }
  • sosekisoseki
    I can see that the table is changed when I did "echo static::$_table_name".
    But, when I continue to keep changing the table name and save the data, somehow the previous table name is still there, not new table name.

    For example, when I intend to change the table like following.

    table_01
    table_02
    table_03
    table_04
    table_05
    ...

    The data is saved to wrong table like following.
    table_01
    table_01
    table_02
    table_01
    table_03
    ...
    It looks like previous table name is still there when I save the data.
    Is there something wrong with my source code?
    Best regards,
  • WanWizardWanWizard
    Accepted Answer
    See the table() method.

    The table name is cached by classname in static::$_table_names_cached so other model instances can easily look it op.
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