PolarDB-X 1.0-SQL 手册-DML-全局二级索引对DML的限制

CREATE TABLE t_order(
  `id` bigint(11) NOT NULL AUTO_INCREMENT,
  `order_id` varchar(20) DEFAULT NULL,
  `buyer_id` varchar(20) DEFAULT NULL,
  `seller_id` varchar(20) DEFAULT NULL,
  `order_snapshot` longtext DEFAULT NULL,
  `order_detail` longtext DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `l_i_order` (`order_id`),
  GLOBAL INDEX `g_i_seller` (`seller_id`) dbpartition by hash(`seller_id`) tbpartition by hash(`seller_id`),
  GLOBAL UNIQUE INDEX `g_i_buyer` (`buyer_id`) COVERING (order_snapshot) dbpartition by hash(`buyer_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 dbpartition by hash(`order_id`);

SET DRDS_TRANSACTION_POLICY='XA';
INSERT INTO t_order(order_id, buyer_id, seller_id) VALUES('order_1', 'buyer_1', 'seller_1');
# 失败
INSERT IGNORE INTO t_order(order_id, buyer_id, seller_id) VALUES('order_2', 'buyer_1', 'seller_1');
# 失败不允许继续执行
INSERT IGNORE INTO t_order(order_id, buyer_id, seller_id) VALUES('order_2', 'buyer_2', 'seller_2');
# 失败后不允许提交事务
COMMIT;