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topn_push_down.result
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topn_push_down.result
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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;
id count task operator info
Projection_13 0.00 root test.te.expect_time
└─Limit_19 0.00 root offset:0, count:5
└─IndexJoin_92 0.00 root left outer join, inner:IndexReader_91, outer key:test.tr.id, inner key:test.p.relate_id
├─TopN_95 0.00 root test.te.expect_time:asc, offset:0, count:5
│ └─IndexJoin_36 0.00 root inner join, inner:IndexLookUp_35, outer key:test.tr.id, inner key:test.te.trade_id
│ ├─IndexLookUp_74 0.00 root
│ │ ├─Selection_72 0.00 cop eq(test.tr.business_type, 18), in(test.tr.trade_type, 1)
│ │ │ └─IndexScan_70 10.00 cop table:tr, index:shop_identy, trade_status, business_type, trade_pay_status, trade_type, delivery_type, source, biz_date, range:[810094178,810094178], keep order:false, stats:pseudo
│ │ └─Selection_73 0.00 cop eq(test.tr.brand_identy, 32314), eq(test.tr.domain_type, 2)
│ │ └─TableScan_71 0.00 cop table:tr, keep order:false, stats:pseudo
│ └─IndexLookUp_35 0.25 root
│ ├─IndexScan_32 10.00 cop table:te, index:trade_id, range: decided by [eq(test.te.trade_id, test.tr.id)], keep order:false, stats:pseudo
│ └─Selection_34 0.25 cop ge(test.te.expect_time, 2018-04-23 00:00:00.000000), le(test.te.expect_time, 2018-04-23 23:59:59.000000)
│ └─TableScan_33 10.00 cop table:te, keep order:false, stats:pseudo
└─IndexReader_91 9.99 root index:Selection_90
└─Selection_90 9.99 cop not(isnull(test.p.relate_id))
└─IndexScan_89 10.00 cop table:p, index:relate_id, range: decided by [eq(test.p.relate_id, test.tr.id)], keep order:false, stats:pseudo
desc select 1 as a from dual order by a limit 1;
id count task operator info
Projection_6 1.00 root 1
└─TableDual_7 1.00 root rows:1
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);
id count task operator info
Apply_15 9990.00 root semi join, inner:Selection_19, equal:[eq(test.t1.a, test.t2.a)]
├─TableReader_18 9990.00 root data:Selection_17
│ └─Selection_17 9990.00 cop not(isnull(test.t1.a))
│ └─TableScan_16 10000.00 cop table:t1, range:[-inf,+inf], keep order:false, stats:pseudo
└─Selection_19 0.80 root not(isnull(test.t2.a))
└─Limit_20 1.00 root offset:0, count:1
└─TableReader_26 1.00 root data:Limit_25
└─Limit_25 1.00 cop offset:0, count:1
└─Selection_24 1.00 cop gt(test.t2.b, test.t1.b)
└─TableScan_23 1.25 cop table:t2, range:[-inf,+inf], keep order:false, stats:pseudo
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);
id count task operator info
Apply_17 9990.00 root semi join, inner:Selection_21, equal:[eq(test.t1.a, test.x.a)]
├─TableReader_20 9990.00 root data:Selection_19
│ └─Selection_19 9990.00 cop not(isnull(test.t1.a))
│ └─TableScan_18 10000.00 cop table:t1, range:[-inf,+inf], keep order:false, stats:pseudo
└─Selection_21 0.80 root not(isnull(test.x.a))
└─Projection_22 1.00 root test.t2.a, test.t1.b
└─Limit_23 1.00 root offset:0, count:1
└─TableReader_29 1.00 root data:Limit_28
└─Limit_28 1.00 cop offset:0, count:1
└─Selection_27 1.00 cop gt(test.t2.b, test.t1.b)
└─TableScan_26 1.25 cop table:t2, range:[-inf,+inf], keep order:false, stats:pseudo
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;
id count task operator info
Limit_11 5.00 root offset:0, count:5
└─IndexJoin_15 5.00 root inner join, inner:IndexReader_14, outer key:test.t1.a, inner key:test.t2.a
├─TableReader_17 4.00 root data:TableScan_16
│ └─TableScan_16 4.00 cop table:t1, range:[-inf,+inf], keep order:false, stats:pseudo
└─IndexReader_14 10.00 root index:IndexScan_13
└─IndexScan_13 10.00 cop table:t2, index:a, range: decided by [eq(test.t2.a, test.t1.a)], keep order:false, stats:pseudo
explain select /*+ TIDB_INLJ(t2) */ * from t t1 left join t t2 on t1.a = t2.a where t2.a is null limit 5;
id count task operator info
Limit_12 5.00 root offset:0, count:5
└─Selection_13 5.00 root isnull(test.t2.a)
└─IndexJoin_17 5.00 root left outer join, inner:IndexReader_16, outer key:test.t1.a, inner key:test.t2.a
├─TableReader_19 4.00 root data:TableScan_18
│ └─TableScan_18 4.00 cop table:t1, range:[-inf,+inf], keep order:false, stats:pseudo
└─IndexReader_16 10.00 root index:IndexScan_15
└─IndexScan_15 10.00 cop table:t2, index:a, range: decided by [eq(test.t2.a, test.t1.a)], keep order:false, stats:pseudo
explain select /*+ TIDB_SMJ(t1, t2) */ * from t t1 join t t2 on t1.a = t2.a limit 5;
id count task operator info
Limit_11 5.00 root offset:0, count:5
└─MergeJoin_12 5.00 root inner join, left key:test.t1.a, right key:test.t2.a
├─IndexReader_14 4.00 root index:IndexScan_13
│ └─IndexScan_13 4.00 cop table:t1, index:a, range:[NULL,+inf], keep order:true, stats:pseudo
└─IndexReader_16 4.00 root index:IndexScan_15
└─IndexScan_15 4.00 cop table:t2, index:a, range:[NULL,+inf], keep order:true, stats:pseudo
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;
id count task operator info
Limit_12 5.00 root offset:0, count:5
└─Selection_13 5.00 root isnull(test.t2.a)
└─MergeJoin_14 5.00 root left outer join, left key:test.t1.a, right key:test.t2.a
├─IndexReader_16 4.00 root index:IndexScan_15
│ └─IndexScan_15 4.00 cop table:t1, index:a, range:[NULL,+inf], keep order:true, stats:pseudo
└─IndexReader_18 4.00 root index:IndexScan_17
└─IndexScan_17 4.00 cop table:t2, index:a, range:[NULL,+inf], keep order:true, stats:pseudo
explain select /*+ TIDB_HJ(t1, t2) */ * from t t1 join t t2 on t1.a = t2.a limit 5;
id count task operator info
Limit_11 5.00 root offset:0, count:5
└─HashLeftJoin_19 5.00 root inner join, inner:TableReader_24, equal:[eq(test.t1.a, test.t2.a)]
├─TableReader_22 4.00 root data:TableScan_21
│ └─TableScan_21 4.00 cop table:t1, range:[-inf,+inf], keep order:false, stats:pseudo
└─TableReader_24 10000.00 root data:TableScan_23
└─TableScan_23 10000.00 cop table:t2, range:[-inf,+inf], keep order:false, stats:pseudo
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;
id count task operator info
Limit_12 5.00 root offset:0, count:5
└─Selection_13 5.00 root isnull(test.t2.a)
└─HashLeftJoin_18 5.00 root left outer join, inner:TableReader_22, equal:[eq(test.t1.a, test.t2.a)]
├─TableReader_20 4.00 root data:TableScan_19
│ └─TableScan_19 4.00 cop table:t1, range:[-inf,+inf], keep order:false, stats:pseudo
└─TableReader_22 10000.00 root data:TableScan_21
└─TableScan_21 10000.00 cop table:t2, range:[-inf,+inf], keep order:false, stats:pseudo