provider.install

<?php

/**
 * @file
 * Database migration for providers.
 */

 /**
  * Implements hook_schema().
  */
function provider_schema() {
  $schema['provider'] = array(
    'description' => 'The base table for providers.',
    'fields' => array(
      'pid' => array(
        'description' => 'The primary identifier for a provider.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'vid' => array(
        'description' => 'The current {provider_revision}.vid version identifier.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'type' => array(
        'description' => 'The {provider_type} of this provider.',
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
      ),
      'title' => array(
        'description' => 'The title of this provider.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'created' => array(
        'description' => 'The Unix timestamp when the provider was created.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'changed' => array(
        'description' => 'The Unix timestamp when the provider was most recently saved.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),

    ),
    'unique keys' => array(
      'pid_vid' => array('pid', 'vid'),
      'pid'     => array('pid'),
    ),
    'primary key' => array('pid'),
  );

  $schema['provider_revision'] = array(
    'description' => 'Stores information about each saved version of an {provider}.',
    'fields' => array(
      'pid' => array(
        'description' => 'The {provider} this version belongs to.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'vid' => array(
        'description' => 'The primary identifier for this version.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'title' => array(
        'description' => 'The title of this version.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'created' => array(
        'description' => 'The Unix timestamp when the provider was created.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'indexes' => array(
      'pid' => array('pid'),
    ),
    'primary key' => array('vid'),
    'foreign keys' => array(
      'provider' => array(
        'table' => 'provider',
        'columns' => array(
          'pid' => 'pid',
        ),
      ),
    ),
  );

  return $schema;
}