function og_update_7000 in Organic groups 7

Same name and namespace in other branches

1. 7.2 og.install \og_update_7000()

Upgrade from Organic groups 6 to 7.

File

./og.install, line 667

Install, update, and uninstall functions for the Organic groups module.

Code

function og_update_7000(&$sandbox) {
  if (db_field_exists('og', 'nid') && !db_table_exists('d6_og')) {

    // Rename the old table, so we can populate the new {og} table using API
    // functions, that assume the new DB structure.
    db_rename_table('og', 'd6_og');
    db_rename_table('og_ancestry', 'd6_og_ancestry');
    db_rename_table('og_uid', 'd6_og_uid');

    // Add serial ID to d6_og* tables so we can keep track of records that were
    // processed.
    foreach (array(
      'd6_og',
      'd6_og_ancestry',
      'd6_og_uid',
    ) as $table) {

      // Drop the current primary key, as we are adding a serial column.
      db_drop_primary_key($table);
      db_add_field($table, 'upgrade_id', array(
        'description' => 'This a serial ID that keeps track of records that were processed.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ), array(
        'primary key' => array(
          'upgrade_id',
        ),
      ));
    }
    $schema = og_schema_7000_info();
    foreach (array(
      'og',
      'og_role_permission',
      'og_role',
      'og_users_roles',
    ) as $table) {
      db_create_table($table, $schema[$table]);
    }

    // We can't call og_needs_migrate() directly, so just set the variable.
    variable_set('og_needs_migrate', TRUE);
    return t('Renamed Organic groups 6 tables. Enable Organic groups migrate module to continue the migration of data.');
  }
  return t('No change needed in Organic groups schema.');
}