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drupal schema type int length 3 but get int(10)

want to have a int(3) field.
In drupal schema, define as:
      'response_code' => array(
        'description' => 'The API response code',
        'type' => 'int',
        'length' => 3,
        'unsigned' => TRUE,
        'not null' => FALSE,

But it creates int(10) field in mysql database.
  `response_code` int(10) unsigned DEFAULT NULL,
1 Solution
Ray PaseurCommented:
Length of an INT is not really relevant.  Integers are numbers and they don't have any inherent length.  They have maximum and minimum values.  Strings have length.

Why does this matter to you?  There might be a different approach, if we understand your concern about a length of 3.
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