datetime.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the Datetime module.
 */

/**
 * Implements hook_field_schema().
 */
function datetime_field_schema($field) {
  $db_columns = array();
  $db_columns['value'] = array(
    'description' => 'The date value',
    'type' => 'varchar',
    'length' => 20,
    'not null' => FALSE,
  );
  $indexes = array(
    'value' => array(
      'value',
    ),
  );
  return array(
    'columns' => $db_columns,
    'indexes' => $indexes,
  );
}