gistfile1.txt

<?php

function peer_review_install() {
  drupal_install_schema('peer_review');
}

function peer_review_uninstall() {
  drupal_uninstall_schema('peer_review');
}

function peer_review_schema() {
  $schema['peer_review'] = array(
    'fields' => array(
      'rid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0
      ),
      'nid' => array(
        'type' => 'int',
        'not null' => TRUE
      ),
      'uid' => array(
        'type' => 'int',
        'not null' => TRUE
      ),
      'added' => array(
        'type' => 'datetime',
        'not null' => TRUE
      )
    ),
    'indexes' => array(
      'nid' => array('nid'),
      'uid' => array('uid'),
    ),
    'primary key' => array('rid')
  );

  return $schema;
}