/**
* Create and/or upgrade the plugin's database tables.
*
* @return bool
*/
public static function upgrade_database()
{
global $wpdb, $blclog;
$conf = blc_get_configuration();
$current = $conf->options['current_db_version'];
if ($current != 0 && $current < 4) {
//The 4th DB version makes a lot of backwards-incompatible changes to the main
//BLC tables, so instead of upgrading we just throw them away and recreate.
if (!blcDatabaseUpgrader::drop_tables()) {
return false;
}
$current = 0;
}
//Create/update the plugin's tables
if (!blcDatabaseUpgrader::make_schema_current()) {
return false;
}
if ($current != 0) {
if ($current < 5) {
blcDatabaseUpgrader::upgrade_095();
}
}
$conf->options['current_db_version'] = BLC_DATABASE_VERSION;
$conf->save_options();
$blclog->info('Database successfully upgraded.');
return true;
}
