streams/Zotlabs/Update/_1244.php

<?php

namespace Zotlabs\Update;

class _1244 {

	function run() {
	
	    q("START TRANSACTION");

		if(ACTIVE_DBTYPE == DBTYPE_POSTGRES) {
			$r1 = q("ALTER TABLE xchan ADD xchan_created timestamp NOT NULL DEFAULT '0001-01-01 00:00:00' ");
 			$r2 = q("create index \"xchan_created_idx\" on xchan (\"xchan_created\")");

			$r = ($r1 && $r2);
		}
		else {
			$r = q("ALTER TABLE `xchan` ADD `xchan_created` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' , 
				ADD INDEX `xchan_created` (`xchan_created`)");
		}

		if($r) {
			q("COMMIT");
			return UPDATE_SUCCESS;
		}

		q("ROLLBACK");
		return UPDATE_FAILED;

	}

	function verify() {

		$columns = db_columns('xchan');

		if(in_array('xchan_created',$columns)) {
			return true;
		}

		return false;
	}

}