<?php

/**

 * @file

 * Install, update and uninstall functions for the field_test module.

 */

/**

 * Implements hook_install().

 */

function field_test_install() {

  // hook_entity_info_alter() needs to be executed as last.

  db_update('system')

    ->fields(array('weight' => 1))

    ->condition('name', 'field_test')

    ->execute();

}

/**

 * Implements hook_schema().

 */

function field_test_schema() {

  $schema['test_entity'] = array(

    'description' => 'The base table for test_entities.',

    'fields' => array(

      'ftid' => array(

        'description' => 'The primary identifier for a test_entity.',

        'type' => 'serial',

        'unsigned' => TRUE,

        'not null' => TRUE,

      ),

      'ftvid' => array(

        'description' => 'The current {test_entity_revision}.ftvid version identifier.',

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => TRUE,

        'default' => 0,

      ),

      'fttype' => array(

        'description' => 'The type of this test_entity.',

        'type' => 'varchar',

        'length' => 32,

        'not null' => TRUE,

        'default' => '',

      ),

      'ftlabel' => array(

        'description' => 'The label of this test_entity.',

        'type' => 'varchar',

        'length' => 255,

        'not null' => TRUE,

        'default' => '',

      ),

    ),

    'unique keys' => array(

      'ftvid' => array('ftvid'),

    ),

    'primary key' => array('ftid'),

  );

  $schema['test_entity_bundle_key'] = array(

    'description' => 'The base table for test entities with a bundle key.',

    'fields' => array(

      'ftid' => array(

        'description' => 'The primary identifier for a test_entity_bundle_key.',

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => TRUE,

        'default' => 0,

      ),

      'fttype' => array(

        'description' => 'The type of this test_entity.',

        'type' => 'varchar',

        'length' => 32,

        'not null' => FALSE,

        'default' => '',

      ),

    ),

  );

  $schema['test_entity_bundle'] = array(

    'description' => 'The base table for test entities with a bundle.',

    'fields' => array(

      'ftid' => array(

        'description' => 'The primary identifier for a test_entity_bundle.',

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => TRUE,

        'default' => 0,

      ),

    ),

  );

  $schema['test_entity_revision'] = array(

    'description' => 'Stores information about each saved version of a {test_entity}.',

    'fields' => array(

      'ftid' => array(

        'description' => 'The {test_entity} this version belongs to.',

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => TRUE,

        'default' => 0,

      ),

      'ftvid' => array(

        'description' => 'The primary identifier for this version.',

        'type' => 'serial',

        'unsigned' => TRUE,

        'not null' => TRUE,

      ),

    ),

    'indexes' => array(

      'nid' => array('ftid'),

    ),

    'primary key' => array('ftvid'),

  );

  return $schema;

}

/**

 * Implements hook_field_schema().

 */

function field_test_field_schema($field) {

  if ($field['type'] == 'test_field') {

    return array(

      'columns' => array(

        'value' => array(

          'type' => 'int',

          'size' => 'medium',

          'not null' => FALSE,

        ),

      ),

      'indexes' => array(

        'value' => array('value'),

      ),

    );

  }

  else {

    $foreign_keys = array();

    // The 'foreign keys' key is not always used in tests.

    if (!empty($field['settings']['foreign_key_name'])) {

      $foreign_keys['foreign keys'] = array(

      // This is a dummy foreign key definition, references a table that

      // doesn't exist, but that's not a problem.

      $field['settings']['foreign_key_name'] => array(

        'table' => $field['settings']['foreign_key_name'],

        'columns' => array($field['settings']['foreign_key_name'] => 'id'),

        ),

      );

    }

    return array(

      'columns' => array(

        'shape' => array(

          'type' => 'varchar',

          'length' => 32,

          'not null' => FALSE,

        ),

        'color' => array(

          'type' => 'varchar',

          'length' => 32,

          'not null' => FALSE,

        ),

      ),

    ) + $foreign_keys;

  }

}