CREATE TABLE `tr` ( `id` bigint(20) NOT NULL, `biz_date` date NOT NULL, `domain_type` tinyint(4) NOT NULL, `business_type` tinyint(4) NOT NULL, `trade_type` tinyint(4) NOT NULL DEFAULT '1', `trade_time` timestamp(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3), `trade_status` tinyint(4) NOT NULL DEFAULT '0', `trade_pay_status` tinyint(4) NOT NULL DEFAULT '0', `delivery_type` tinyint(4) NOT NULL DEFAULT '0', `source` tinyint(4) NOT NULL, `source_child` mediumint(9) DEFAULT NULL, `trade_no` varchar(26) NOT NULL, `sku_kind_count` int(11) NOT NULL, `sale_amount` decimal(10,2) NOT NULL DEFAULT '0.00', `privilege_amount` decimal(10,2) NOT NULL DEFAULT '0.00', `trade_amount` decimal(10,2) NOT NULL DEFAULT '0.00', `trade_amount_before` decimal(10,2) NOT NULL DEFAULT '0.00', `trade_memo` varchar(100) DEFAULT NULL, `relate_trade_id` bigint(20) DEFAULT NULL, `relate_trade_uuid` varchar(32) DEFAULT NULL, `brand_identy` bigint(20) NOT NULL, `shop_identy` bigint(20) NOT NULL, `device_identy` varchar(36) NOT NULL, `uuid` varchar(32) NOT NULL, `status_flag` tinyint(4) NOT NULL, `client_create_time` timestamp(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3), `client_update_time` timestamp(3) NULL DEFAULT NULL, `server_create_time` timestamp(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3), `server_update_time` timestamp(3) DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3), `creator_id` bigint(20) DEFAULT NULL, `creator_name` varchar(32) DEFAULT NULL, `updator_id` bigint(20) DEFAULT NULL, `updator_name` varchar(32) DEFAULT NULL, `trade_people_count` int(4) DEFAULT NULL, `trade_pay_form` tinyint(4) NOT NULL DEFAULT '1', `print_time` timestamp(3) NULL DEFAULT NULL, `action_type` tinyint(4) NOT NULL DEFAULT '1', `recycle_status` tinyint(1) NOT NULL DEFAULT '1', `rds_source_calm` varchar(100) DEFAULT NULL, PRIMARY KEY (`id`), UNIQUE KEY `uuid` (`uuid`), KEY `idx_server_update_time` (`shop_identy`,`server_update_time`), KEY `idx_server_create_time` (`server_create_time`), KEY `idx_trade_no` (`trade_no`), KEY `idx_relate_trade_id` (`relate_trade_id`), KEY `idx_brand_identy_biz_date` (`brand_identy`,`biz_date`), KEY `idx_trade_status_server_create_time` (`trade_status`,`server_create_time`), KEY `idx_shop_identy_biz_date` (`shop_identy`,`biz_date`), KEY `idx_shop_identy_server_create_time` (`shop_identy`,`server_create_time`), KEY `idx_shop_identy_trade_status_business_type` (`shop_identy`,`trade_status`,`business_type`,`trade_pay_status`,`trade_type`,`delivery_type`,`source`,`biz_date`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT=''; CREATE TABLE `p` ( `id` bigint(20) NOT NULL, `biz_date` date NOT NULL, `payment_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, `payment_type` int(11) NOT NULL, `relate_id` bigint(20) DEFAULT NULL, `relate_uuid` varchar(32) DEFAULT NULL, `receivable_amount` decimal(10,2) NOT NULL DEFAULT '0.00', `exempt_amount` decimal(10,2) NOT NULL DEFAULT '0.00', `actual_amount` decimal(10,2) NOT NULL DEFAULT '0.00', `handover_uuid` varchar(32) DEFAULT NULL, `brand_identy` bigint(20) NOT NULL, `shop_identy` bigint(20) NOT NULL, `device_identy` varchar(36) NOT NULL, `uuid` varchar(32) NOT NULL, `status_flag` tinyint(4) NOT NULL DEFAULT '1', `client_create_time` timestamp(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3), `client_update_time` timestamp(3) NULL DEFAULT NULL, `server_create_time` timestamp(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3), `server_update_time` timestamp(3) DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3), `creator_id` bigint(20) DEFAULT NULL, `creator_name` varchar(32) DEFAULT NULL, `updator_id` bigint(20) DEFAULT NULL, `updator_name` varchar(32) DEFAULT NULL, `is_paid` tinyint(4) DEFAULT '1', `memo` varchar(100) DEFAULT NULL, `recycle_status` tinyint(1) NOT NULL DEFAULT '1', `shop_actual_amount` decimal(10,2) NOT NULL DEFAULT '0.00', `rds_source_calm` varchar(100) DEFAULT NULL, PRIMARY KEY (`id`), UNIQUE KEY `uuid` (`uuid`), KEY `payment_relate_id` (`relate_id`), KEY `idx_shop_identy_biz_date` (`shop_identy`,`biz_date`), KEY `idx_relate_uuid` (`relate_uuid`(8)), KEY `idx_shop_identy_server_update_time` (`shop_identy`,`server_update_time`), KEY `idx_shop_identy_server_create_time` (`shop_identy`,`server_create_time`), KEY `idx_server_create_time` (`server_create_time`), KEY `idx_brand_identy_shop_identy_payment_time` (`brand_identy`,`shop_identy`,`payment_time`), KEY `idx_handover_uuid` (`handover_uuid`(8)), KEY `idx_shop_identy_handover_uuid_payment_time` (`shop_identy`,`handover_uuid`(1),`payment_time`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT=''; CREATE TABLE `te` ( `id` bigint(20) NOT NULL, `trade_id` bigint(20) NOT NULL, `trade_uuid` varchar(32) NOT NULL, `number_plate` varchar(32) DEFAULT NULL, `fix_type` tinyint(4) DEFAULT NULL, `called` tinyint(4) DEFAULT NULL, `invoice_title` varchar(64) DEFAULT NULL, `expect_time` timestamp NULL DEFAULT NULL, `receiver_phone` varchar(16) DEFAULT NULL, `receiver_name` varchar(32) DEFAULT NULL, `receiver_sex` tinyint(4) DEFAULT NULL, `delivery_address_id` bigint(20) DEFAULT NULL, `delivery_address` varchar(500) DEFAULT NULL, `received_time` timestamp NULL DEFAULT NULL, `delivery_fee` decimal(10,2) DEFAULT NULL, `device_platform` varchar(20) DEFAULT NULL, `device_token` varchar(128) DEFAULT NULL, `open_identy` varchar(100) DEFAULT NULL, `user_identy` bigint(20) DEFAULT NULL, `third_tran_no` varchar(100) DEFAULT NULL, `brand_identy` bigint(20) NOT NULL, `shop_identy` bigint(20) NOT NULL, `device_identy` varchar(36) NOT NULL, `uuid` varchar(32) NOT NULL, `status_flag` tinyint(4) NOT NULL, `client_create_time` timestamp(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3), `client_update_time` timestamp(3) NULL DEFAULT NULL, `server_create_time` timestamp(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3), `server_update_time` timestamp(3) DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3), `creator_id` bigint(20) DEFAULT NULL, `creator_name` varchar(32) DEFAULT NULL, `updator_id` bigint(20) DEFAULT NULL, `updator_name` varchar(32) DEFAULT NULL, `call_dish_status` tinyint(4) NOT NULL DEFAULT '0', `delivery_man` varchar(50) DEFAULT NULL, `delivery_status` tinyint(4) NOT NULL DEFAULT '0', `delivery_user_id` varchar(50) DEFAULT NULL, `delivery_real_time` timestamp NULL DEFAULT NULL, `send_area_id` bigint(20) DEFAULT NULL, `order_tip` tinyint(4) NOT NULL DEFAULT '0', `binding_delivery_user_time` timestamp(3) NULL DEFAULT NULL, `square_up_time` timestamp(3) NULL DEFAULT NULL, `is_sub_mch` tinyint(1) DEFAULT '0', `serial_number` varchar(50) NOT NULL DEFAULT '', `recycle_status` tinyint(1) NOT NULL DEFAULT '1', `delivery_platform` bigint(20) NOT NULL DEFAULT '1', `is_printed` tinyint(4) NOT NULL DEFAULT '1', `third_serial_no` varchar(50) DEFAULT NULL, `has_serving` tinyint(4) NOT NULL DEFAULT '1', `device_no` varchar(6) DEFAULT NULL, `third_service_charge` decimal(10,2) DEFAULT '0.00', `third_subsidies` decimal(10,2) DEFAULT '0.00', `rds_source_calm` varchar(100) DEFAULT NULL, PRIMARY KEY (`id`), UNIQUE KEY `uuid` (`uuid`), KEY `idx_trade_id` (`trade_id`), KEY `idx_server_update_time` (`shop_identy`,`server_update_time`), KEY `idx_receiver_phone` (`receiver_phone`(11)), KEY `idx_delivery_status_delivery_user_id` (`delivery_status`,`delivery_user_id`(10)), KEY `idx_trade_uuid` (`trade_uuid`(10)), KEY `idx_third_tran_no` (`third_tran_no`(10)) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT=''; EXPLAIN SELECT te.expect_time AS expected_time FROM tr tr inner JOIN te te ON te.trade_id = tr.id left JOIN p p ON p.relate_id = tr.id WHERE tr.brand_identy = 32314 AND tr.shop_identy = 810094178 AND tr.domain_type = 2 AND tr.business_type = 18 AND tr.trade_type IN (1) AND te.expect_time BETWEEN '2018-04-23 00:00:00.0' AND '2018-04-23 23:59:59.0' ORDER BY te.expect_time asc LIMIT 0, 5; -- test order by constant desc select 1 as a from dual order by a limit 1; -- test order by correlated column drop table if exists t1; drop table if exists t2; create table t1(a bigint, b bigint); create table t2(a bigint, b bigint); desc select * from t1 where t1.a in (select t2.a as a from t2 where t2.b > t1.b order by t1.b limit 1); desc select * from t1 where t1.a in (select a from (select t2.a as a, t1.b as b from t2 where t2.b > t1.b) x order by b limit 1); -- test ExpectedCnt of join's children drop table if exists t; create table t(a int not null, index idx(a)); explain select /*+ TIDB_INLJ(t2) */ * from t t1 join t t2 on t1.a = t2.a limit 5; explain select /*+ TIDB_INLJ(t2) */ * from t t1 left join t t2 on t1.a = t2.a where t2.a is null limit 5; explain select /*+ TIDB_SMJ(t1, t2) */ * from t t1 join t t2 on t1.a = t2.a limit 5; explain select /*+ TIDB_SMJ(t1, t2) */ * from t t1 left join t t2 on t1.a = t2.a where t2.a is null limit 5; explain select /*+ TIDB_HJ(t1, t2) */ * from t t1 join t t2 on t1.a = t2.a limit 5; explain select /*+ TIDB_HJ(t1, t2) */ * from t t1 left join t t2 on t1.a = t2.a where t2.a is null limit 5;