materio-base-d7/sites/all/modules/contrib/mail/maillog/maillog.install

<?php

/**
 * @file
 * Provides the installation routines for the maillog module
 */

/**
 * Implementation of hook_enable().
 */
function maillog_enable() {
  $mail_system = variable_get('mail_system', array('default-system' => 'DefaultMailSystem'));
  $mail_system['maillog'] = 'MaillogMailSystem';
  $mail_system['default-system'] = $mail_system['maillog'];
  variable_set('mail_system', $mail_system);
}

/**
 * Implementation of hook_disable().
 *
 * Removing smtp_libraries settings.
 *
 * If the smptp_library variable refers to the maillog_smtp_library the variable will be resetted. It does not make sense to backup the smtp_library
 * when enabling the maillog module, because before restoring when the maillog module gets disabled another module could changed the smtp variable.
 */
function maillog_disable() {
  $mail_system = variable_get('mail_system', array('default-system' => 'DefaultMailSystem'));
  unset($mail_system['maillog']);
  $mail_system['default-system'] = 'DefaultMailSystem';
  variable_set('mail_system', $mail_system);
}

/**
 * Implementation of hook_schema().
 */
function maillog_schema() {
  $schema['maillog'] = array(
    'description' => t("Stores outgoing e-mail details for nodes of type 'maillog'."),
    'fields' => array(
      'idmaillog' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'description' => t("The mail_log {node}.nid"),
      ),
      'header_message_id' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => t("The 'message-id' field of the e-mail."),
      ),
      'header_from' => array(
        'type' => 'text',
        'not null' => TRUE,
        'description' => t("The 'From' field of the e-mail."),
      ),
      'header_to' => array(
        'type' => 'text',
        'not null' => TRUE,
        'description' => t("The 'To' field of the e-mail."),
      ),
      'header_reply_to' => array(
        'type' => 'text',
        'not null' => TRUE,
        'description' => t("The 'Reply-To' field of the e-mail."),
      ),
      'header_all' => array(
        'type' => 'text',
        'not null' => TRUE,
        'description' => t("The 'Header' field of the e-mail."),
      ),
      'subject' => array(
        'description' => t("The 'Subject' fieldof the e-mail."),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'body' => array(
        'description' => 'The body of this version.',
        'type' => 'text',
        'not null' => TRUE,
        'size' => 'big'
      ),
      'sent_date' => array(
        'description' => 'The Unix timestamp when the mail was sent.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'primary key' => array('idmaillog'),
  );

  return $schema;
}