ALTER TABLE IF EXISTS vn2008.unary_scan RENAME vn2008.unary_scan__;
ALTER TABLE IF EXISTS vn2008.unary_scan_line RENAME vn2008.unary_scan_line__;
ALTER TABLE IF EXISTS vn2008.unary_scan_line_buy RENAME vn2008.unary_scan_line_buy__;
ALTER TABLE IF EXISTS vn2008.unary_scan_line_expedition RENAME vn2008.unary_scan_line_expedition__;