geofield.install

<?php

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

/**
 * Implements hook_field_schema().
 */
function geofield_field_schema($field) {

  $schema_callback = 'geofield_backend_default_schema';
  /**
   * @TODO: Rewrite to use core plugin system.
   */
  /*$schema_callback = '';
  ctools_include('plugins');
  if (isset($field['settings']['backend'])) {
    $backend = ctools_get_plugins('geofield', 'geofield_backend', $field['settings']['backend']);

  }
  else {
    $backend = ctools_get_plugins('geofield', 'geofield_backend', 'default');
  }

  if (!empty($backend['schema'])) {
    $schema_callback = $backend['schema'];
  } else {
    /**
     * Edge case, during an update between 7.x-1.x and 7.x-2.x, if ctools is enabled,
     * ctools will not see the geofield plugin without manually truncating the cache 
     * tables. To bypass, we manually seed the $backend array directly if 
     * $backend['schema'] still isn't declared.
     **
    module_load_include('inc', 'geofield', 'includes/geofield_backend/default');
    $schema_callback = 'geofield_backend_default_schema';
  }

  $geom_schema = $schema_callback($field);*/

  module_load_include('inc', 'geofield', 'includes/geofield_backend/default');

  return array(
    'columns' => array(
      'value' => $schema_callback($field),
     /*'value' => array(
        'type' => 'blob',
        'size' => 'big',
        'not null' => FALSE,
      ),*/
      'geo_type' => array(
        'type' => 'varchar',
        'default' => '',
        'length' => 64,
      ),
      'lat' => array(
        'type' => 'numeric',
        'precision' => 18,
        'scale' => 12,
        'not null' => FALSE,
      ),
      'lon' => array(
        'type' => 'numeric',
        'precision' => 18,
        'scale' => 12,
        'not null' => FALSE,
      ),
      'left' => array(
        'type' => 'numeric',
        'precision' => 18,
        'scale' => 12,
        'not null' => FALSE,
      ),
      'top' => array(
        'type' => 'numeric',
        'precision' => 18,
        'scale' => 12,
        'not null' => FALSE,
      ),
      'right' => array(
        'type' => 'numeric',
        'precision' => 18,
        'scale' => 12,
        'not null' => FALSE,
      ),
      'bottom' => array(
        'type' => 'numeric',
        'precision' => 18,
        'scale' => 12,
        'not null' => FALSE,
      ),
      'geohash' => array(
        'type' => 'varchar',
        'length' => GEOFIELD_GEOHASH_LENGTH,
        'not null' => FALSE,
      ),
    ),
    'indexes' => array(
      'lat' => array('lat'),
      'lon' => array('lon'),
      'top' => array('top'),
      'bottom' => array('bottom'),
      'left' => array('left'),
      'right' => array('right'),
      'geohash' => array('geohash'),
      'centroid' => array('lat','lon'),
      'bbox' => array('top','bottom','left','right'),
    ),
  );
}