public static function changeColumn($tablename, $old_columnname, $new_columnname, array $define) { $col_def = self::getColumnDefineB($tablename, $old_columnname, $define); # print ("ALTER TABLE `$tablename` CHANGE COLUMN `$old_columnname` `$new_columnname` $col_def"); return GDO::getCurrentDB()->queryWrite("ALTER TABLE `{$tablename}` CHANGE COLUMN `{$old_columnname}` `{$new_columnname}` {$col_def}"); }
<?php # WeChall DB global $db1, $db2; $db1 = GDO::getCurrentDB(); # Challenge DB $db2 = gdo_db_instance(DLDC_DB_HOST, DLDC_DB_USER, DLDC_DB_PASS, DLDC_DB_NAME); # Set to challenge db GDO::setCurrentDB($db2);