<?php
// $Id$

/**
 * Implementation of hook_install().
 */
function dblog_install() {
  // Create tables.
  drupal_install_schema('dblog');
}

/**
 * Implementation of hook_uninstall().
 */
function dblog_uninstall() {
  // Remove tables.
  drupal_uninstall_schema('dblog');
}

/**
 * Implementation of hook_schema().
 */
function dblog_schema() {
  $schema['watchdog'] = array(
    'description' => t('Table that contains logs of all system events.'),
    'fields' => array(
      'wid' => array(
        'type' => 'serial',
        'not null' => TRUE,
        'description' => t('Primary Key: Unique watchdog event ID.'),
      ),
      'uid' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => t('The {users}.uid of the user who triggered the event.'),
      ),
      'type' => array(
        'type' => 'varchar',
        'length' => 16,
        'not null' => TRUE,
        'default' => '',
        'description' => t('Type of log message, for example "user" or "page not found."'),
      ),
      'message' => array(
        'type' => 'text',
        'not null' => TRUE,
        'size' => 'big',
        'description' => t('Text of log message to be passed into the t() function.'),
      ),
      'variables' => array(
        'type' => 'text',
        'not null' => TRUE,
        'size' => 'big',
        'description' => t('Serialized array of variables that match the message string and that is passed into the t() function.'),
      ),
      'severity' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
        'description' => t('The severity level of the event; ranges from 0 (Emergency) to 7 (Debug)'),
      ),
      'link' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => t('Link to view the result of the event.'),
      ),
      'location'  => array(
        'type' => 'text',
        'not null' => TRUE,
        'description' => t('URL of the origin of the event.'),
      ),
      'referer' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => t('URL of referring page.'),
      ),
      'hostname' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => '',
        'description' => t('Hostname of the user who triggered the event.'),
      ),
      'timestamp' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => t('Unix timestamp of when event occurred.'),
      ),
    ),
    'primary key' => array('wid'),
    'indexes' => array(
      'type' => array('type'),
    ),
  );

  return $schema;
}
