<?php
/**
 * @file
 * Install, update, and uninstall functions for the groups_reports module.
 */

/**
 * Implement hook_schema
 */
function groups_reports_schema() {
  $schema['groups_membership_stat'] = array(
    'description' => 'Stores group membership daily aggregated statistics.',
    'fields' => array(
      'nid' => array(
        'description' => 'The group\'s {node}.nid for these statistics.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'timestamp' => array(
        'description' => 'The YYYYMMDD format date of membership record',
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
      ),
      'membercount' => array(
        'description' => 'The total number of members registered for the group.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'medium',
      ),
      'datasrc' => array(
        'description' => 'The data source of the data',
        'type' => 'varchar',
        'length' => 1,
        'not null' => TRUE,
        'default' => '',
      ),
    ),
    'primary key' => array('nid', 'timestamp', 'datasrc'),
  );
  return $schema;
}

/**
 * Update primary key of groups_membership_stat table
 */
function groups_reports_update_7100() {
  db_drop_primary_key('groups_membership_stat');
  db_add_primary_key('groups_membership_stat', array('nid', 'timestamp', 'datasrc'));
}
