1338 lines
66 KiB
Plaintext
1338 lines
66 KiB
Plaintext
set tidb_cost_model_version=1;
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drop database if exists cte1;
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create database cte1;
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drop table if exists tbl_0;
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create table tbl_0(a int);
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with recursive cte_0 (col_10,col_11,col_12) AS ( select 1, 2,3 from tbl_0 UNION select col_10 + 1,col_11 + 1,col_12 + 1 from cte_0 where col_10 < 10 ) select * from cte_0;
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col_10 col_11 col_12
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drop table if exists tbl_1;
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CREATE TABLE `tbl_1` (
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`col_5` decimal(47,21) NOT NULL DEFAULT '5308.880000000000000000000',
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`col_6` enum('Alice','Bob','Charlie','David') DEFAULT NULL,
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`col_7` float NOT NULL,
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`col_8` bigint NOT NULL DEFAULT '-688199144806783096',
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`col_9` varchar(248) NOT NULL,
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PRIMARY KEY (`col_5`,`col_7`,`col_9`,`col_8`),
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UNIQUE KEY `idx_4` (`col_8`),
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UNIQUE KEY `idx_7` (`col_5`,`col_7`,`col_8`),
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UNIQUE KEY `idx_9` (`col_9`,`col_8`),
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UNIQUE KEY `idx_3` (`col_9`(3),`col_8`),
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UNIQUE KEY `idx_8` (`col_7`,`col_6`,`col_8`,`col_5`),
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KEY `idx_5` (`col_7`),
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KEY `idx_6` (`col_7`),
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KEY `idx_10` (`col_9`,`col_5`),
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KEY `idx_11` (`col_5`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
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/*!50100 PARTITION BY HASH (`col_8`)
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PARTITIONS 4 */;
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with recursive cte_1 (col_13,col_14,col_15,col_16,col_17) AS ( with recursive cte_2 (col_18,col_19,col_20,col_21,col_22,col_23,col_24) AS ( select 1, 2,col_8,4,5,6,7 from tbl_1 ) select col_19,col_18,col_22,col_23,col_21 from cte_2 UNION ALL select col_13 + 1,col_14 + 1,col_15 + 1,col_16 + 1,col_17 + 1 from cte_1 where col_13 < 10 ) select * from cte_1;
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col_13 col_14 col_15 col_16 col_17
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with recursive cte_256 (col_969,col_970,col_971) AS ( with recursive cte_257 (col_972,col_973,col_974,col_975) AS ( select 1, 2,col_8,4 from tbl_1 UNION select col_972 + 1,col_973 + 1,col_974 + 1,col_975 + 1 from cte_257 where col_972 < 10 ) select col_975,col_974,col_973 from cte_257 UNION DISTINCT select col_969 + 1,col_970 + 1,col_971 + 1 from cte_256 where col_969 < 10 ) select * from cte_256;
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col_969 col_970 col_971
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drop table if exists tbl_2, tbl_3;
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create table tbl_2 ( col_4 char(246) collate utf8_unicode_ci not null , col_5 char(253) collate utf8mb4_unicode_ci ) ;
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create table tbl_3 ( col_6 char(207) collate utf8mb4_unicode_ci , col_7 int unsigned not null ) ;
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insert into tbl_2 values ( "0",null ) ;
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insert into tbl_2 values ( "1","0" ) ;
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insert into tbl_2 values ( "1","1" ) ;
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insert into tbl_2 values ( "0","0" ) ;
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insert into tbl_2 values ( "0","1" ) ;
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insert into tbl_3 values ( "1",0 ) ;
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insert into tbl_3 values ( "1",1 ) ;
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insert into tbl_3 values ( "0",0 ) ;
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insert into tbl_3 values ( "0",1 ) ;
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with recursive tbl_2 (col_64,col_65,col_66,col_67) AS ( select 1, col_6,col_6,4 from tbl_3 UNION DISTINCT select col_64 + 1,concat(col_65, 1),col_66 + 1,concat(col_67, 1) from tbl_2 where col_64 < 5 ) select * from tbl_2 order by col_64;
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col_64 col_65 col_66 col_67
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1 1 1 4
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1 0 0 4
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2 11 2 41
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2 01 1 41
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3 111 3 411
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3 011 2 411
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4 1111 4 4111
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4 0111 3 4111
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5 11111 5 41111
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5 01111 4 41111
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drop table if exists tbl_3, tbl_4;
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create table tbl_3 ( col_6 int not null , col_7 char(95) collate utf8_general_ci ) ;
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create table tbl_4 ( col_8 char collate utf8_unicode_ci , col_9 char collate utf8mb4_bin ) ;
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insert into tbl_3 values ( 0,"1" ) ;
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insert into tbl_4 values ( "1","0" ) ;
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with recursive cte_2245 (col_8692,col_8693) AS ( select 1, col_7 from tbl_3 UNION select col_8692 + 1,concat(col_8693, 1) from cte_2245 where col_8692 < 5 ) , cte_2246 (col_8694,col_8695,col_8696,col_8697) AS ( with recursive cte_2247 (col_8698,col_8699,col_8700,col_8701) AS ( select 1, cast("2" as char(20)),3,col_8 from tbl_4 ) select col_8698,col_8699,col_8700,col_8701 from cte_2247 UNION select col_8694 + 1,col_8695 + 1,col_8696 + 1,col_8697 + 1 from cte_2246 where col_8694 < 5 ) select * from cte_2245,cte_2246 order by col_8692,col_8693,col_8696,col_8695,col_8697,col_8694;
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col_8692 col_8693 col_8694 col_8695 col_8696 col_8697
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1 1 1 2 3 1
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1 1 2 3 4 2
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1 1 3 4 5 3
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1 1 4 5 6 4
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1 1 5 6 7 5
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2 11 1 2 3 1
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2 11 2 3 4 2
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2 11 3 4 5 3
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2 11 4 5 6 4
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2 11 5 6 7 5
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3 111 1 2 3 1
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3 111 2 3 4 2
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3 111 3 4 5 3
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3 111 4 5 6 4
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3 111 5 6 7 5
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4 1111 1 2 3 1
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4 1111 2 3 4 2
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4 1111 3 4 5 3
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4 1111 4 5 6 4
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4 1111 5 6 7 5
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5 11111 1 2 3 1
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5 11111 2 3 4 2
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5 11111 3 4 5 3
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5 11111 4 5 6 4
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5 11111 5 6 7 5
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with recursive cte2 as (select 1 as col_1, 2 as col_2) select c1.col_1, c2.col_2 from cte2 as c1, cte2 as c2 where c2.col_2 = 1;
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col_1 col_2
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with recursive cte (c1) as (select 1), cte1 (c2) as (select 1 union select c1 + 1 from cte, cte1) select * from cte, cte1;
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c1 c2
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1 1
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1 2
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with recursive tbl_0 (col_943,col_944,col_945,col_946,col_947) AS ( with recursive tbl_0 (col_948,col_949,col_950,col_951,col_952) AS ( select 1, 2,3,4,5 UNION ALL select col_948 + 1,col_949 + 1,col_950 + 1,col_951 + 1,col_952 + 1 from tbl_0 where col_948 < 5 ) select col_948,col_949,col_951,col_950,col_952 from tbl_0 UNION ALL select col_943 + 1,col_944 + 1,col_945 + 1,col_946 + 1,col_947 + 1 from tbl_0 where col_943 < 5 ) select * from tbl_0;
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Error 1054 (42S22): Unknown column 'col_943' in 'where clause'
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with recursive cte1 (c1, c2) as (select 1, '1' union select concat(c1, 1), c2 + 1 from cte1 where c1 < 100) select * from cte1;
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c1 c2
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1 1
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11 2
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111 3
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with recursive cte_8 (col_51,col_52,col_53,col_54) AS ( with recursive cte_9 (col_55,col_56,col_57,col_58) AS ( select 1, 2,3,4 UNION ALL select col_55 + 1,col_56 + 1,col_57 + 1,col_58 + 1 from cte_9 where col_55 < 5 ) select col_55,col_57,col_56,col_58 from cte_9 UNION DISTINCT select col_51 + 1,col_52 + 1,col_53 + 1,col_54 + 1 from cte_8 where col_51 < 5 ) select * from cte_8;
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col_51 col_52 col_53 col_54
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1 3 2 4
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2 4 3 5
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3 5 4 6
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4 6 5 7
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5 7 6 8
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with recursive qn as (select 1 from dual union all select 1 from dual) select * from qn;
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1
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1
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1
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with recursive qn as (select 1 as a from dual group by a union all select a+1 from qn where a<3) select * from qn;
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a
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1
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2
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3
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with recursive qn as ((select 1 as a from dual order by a) union all select a+1 from qn where a<3) select * from qn;
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a
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1
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2
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3
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drop table if exists employees;
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CREATE TABLE employees (
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ID INT PRIMARY KEY,
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NAME VARCHAR(100),
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MANAGER_ID INT,
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INDEX (MANAGER_ID),
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FOREIGN KEY (MANAGER_ID) REFERENCES employees(ID)
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);
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INSERT INTO employees VALUES
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(333, "Yasmina", NULL),
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(198, "John", 333),
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(692, "Tarek", 333),
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(29, "Pedro", 198),
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(4610, "Sarah", 29),
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(72, "Pierre", 29),
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(123, "Adil", 692);
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WITH RECURSIVE employees_extended AS (SELECT ID, NAME, MANAGER_ID, CAST(ID AS CHAR(200)) AS PATH FROM employees WHERE NAME='Pierre' UNION ALL SELECT S.ID, S.NAME, S.MANAGER_ID, CONCAT(M.PATH, ",", S.ID) FROM employees_extended M JOIN employees S ON M.MANAGER_ID=S.ID) SELECT * FROM employees_extended;
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ID NAME MANAGER_ID PATH
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72 Pierre 29 72
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29 Pedro 198 72,29
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198 John 333 72,29,198
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333 Yasmina NULL 72,29,198,333
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with recursive cte (c1) as (select 1), cte1 (c2) as (select 1 union select c1 + 1 from cte where c1 < 10) select * from cte where c1 < 5;
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c1
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1
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with recursive cte_581 (col_2343,col_2344,col_2345) AS ( select 1, '2',cast('3' as char(20))) , cte_582 (col_2346,col_2347,col_2348) AS ( select 1, 2, 3) select * from cte_581 as cte_as_583,cte_582 as cte_as_584,cte_582 as cte_as_585 order by cte_as_583.col_2343,cte_as_585.col_2348,cte_as_584.col_2346,cte_as_584.col_2348,cte_as_583.col_2344,cte_as_584.col_2347,cte_as_585.col_2346,cte_as_585.col_2347,cte_as_583.col_2345;
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col_2343 col_2344 col_2345 col_2346 col_2347 col_2348 col_2346 col_2347 col_2348
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1 2 3 1 2 3 1 2 3
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with recursive tbl_3 (col_19,col_20,col_21,col_22) AS ( select 1, 2,3,4 UNION select col_19 + 1,col_20 + 1,col_21 + 1,concat(col_22, 1) from tbl_3 where col_19 < 5 ) , cte_4 (col_23,col_24,col_25,col_26) AS ( select 1, 2,cast("3" as char(20)),4 UNION DISTINCT select col_23 + 1,col_24 + 1,concat(col_25, 1),col_26 + 1 from cte_4 where col_23 < 5 ) select * from tbl_3 as cte_as_3,cte_4 as cte_as_4,tbl_3 as cte_as_5 order by cte_as_3.col_19,cte_as_4.col_23,cte_as_4.col_25,cte_as_4.col_24,cte_as_4.col_26,cte_as_3.col_20,cte_as_5.col_22,cte_as_3.col_21,cte_as_5.col_20,cte_as_3.col_22,cte_as_5.col_19,cte_as_5.col_21;
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col_19 col_20 col_21 col_22 col_23 col_24 col_25 col_26 col_19 col_20 col_21 col_22
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1 2 3 4 1 2 3 4 1 2 3 4
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1 2 3 4 1 2 3 4 2 3 4 41
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1 2 3 4 1 2 3 4 3 4 5 411
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1 2 3 4 1 2 3 4 4 5 6 4111
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1 2 3 4 1 2 3 4 5 6 7 41111
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1 2 3 4 2 3 31 5 1 2 3 4
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1 2 3 4 2 3 31 5 2 3 4 41
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1 2 3 4 2 3 31 5 3 4 5 411
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1 2 3 4 2 3 31 5 4 5 6 4111
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1 2 3 4 2 3 31 5 5 6 7 41111
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1 2 3 4 3 4 311 6 1 2 3 4
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1 2 3 4 3 4 311 6 2 3 4 41
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1 2 3 4 3 4 311 6 3 4 5 411
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1 2 3 4 3 4 311 6 4 5 6 4111
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1 2 3 4 3 4 311 6 5 6 7 41111
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1 2 3 4 4 5 3111 7 1 2 3 4
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1 2 3 4 4 5 3111 7 2 3 4 41
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1 2 3 4 4 5 3111 7 3 4 5 411
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1 2 3 4 4 5 3111 7 4 5 6 4111
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1 2 3 4 4 5 3111 7 5 6 7 41111
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1 2 3 4 5 6 31111 8 1 2 3 4
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1 2 3 4 5 6 31111 8 2 3 4 41
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1 2 3 4 5 6 31111 8 3 4 5 411
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1 2 3 4 5 6 31111 8 4 5 6 4111
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1 2 3 4 5 6 31111 8 5 6 7 41111
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2 3 4 41 1 2 3 4 1 2 3 4
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2 3 4 41 1 2 3 4 2 3 4 41
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2 3 4 41 1 2 3 4 3 4 5 411
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2 3 4 41 1 2 3 4 4 5 6 4111
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2 3 4 41 1 2 3 4 5 6 7 41111
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2 3 4 41 2 3 31 5 1 2 3 4
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2 3 4 41 2 3 31 5 2 3 4 41
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2 3 4 41 2 3 31 5 3 4 5 411
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2 3 4 41 2 3 31 5 4 5 6 4111
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2 3 4 41 2 3 31 5 5 6 7 41111
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2 3 4 41 3 4 311 6 1 2 3 4
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2 3 4 41 3 4 311 6 2 3 4 41
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2 3 4 41 3 4 311 6 3 4 5 411
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2 3 4 41 3 4 311 6 4 5 6 4111
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2 3 4 41 3 4 311 6 5 6 7 41111
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2 3 4 41 4 5 3111 7 1 2 3 4
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2 3 4 41 4 5 3111 7 2 3 4 41
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2 3 4 41 4 5 3111 7 3 4 5 411
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2 3 4 41 4 5 3111 7 4 5 6 4111
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2 3 4 41 4 5 3111 7 5 6 7 41111
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2 3 4 41 5 6 31111 8 1 2 3 4
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2 3 4 41 5 6 31111 8 2 3 4 41
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2 3 4 41 5 6 31111 8 3 4 5 411
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2 3 4 41 5 6 31111 8 4 5 6 4111
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2 3 4 41 5 6 31111 8 5 6 7 41111
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3 4 5 411 1 2 3 4 1 2 3 4
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3 4 5 411 1 2 3 4 2 3 4 41
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3 4 5 411 1 2 3 4 3 4 5 411
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3 4 5 411 1 2 3 4 4 5 6 4111
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3 4 5 411 1 2 3 4 5 6 7 41111
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3 4 5 411 2 3 31 5 1 2 3 4
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3 4 5 411 2 3 31 5 2 3 4 41
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3 4 5 411 2 3 31 5 3 4 5 411
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3 4 5 411 2 3 31 5 4 5 6 4111
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3 4 5 411 2 3 31 5 5 6 7 41111
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3 4 5 411 3 4 311 6 1 2 3 4
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3 4 5 411 3 4 311 6 2 3 4 41
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3 4 5 411 3 4 311 6 3 4 5 411
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3 4 5 411 3 4 311 6 4 5 6 4111
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3 4 5 411 3 4 311 6 5 6 7 41111
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3 4 5 411 4 5 3111 7 1 2 3 4
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3 4 5 411 4 5 3111 7 2 3 4 41
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3 4 5 411 4 5 3111 7 3 4 5 411
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3 4 5 411 4 5 3111 7 4 5 6 4111
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3 4 5 411 4 5 3111 7 5 6 7 41111
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3 4 5 411 5 6 31111 8 1 2 3 4
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3 4 5 411 5 6 31111 8 2 3 4 41
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3 4 5 411 5 6 31111 8 3 4 5 411
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3 4 5 411 5 6 31111 8 4 5 6 4111
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3 4 5 411 5 6 31111 8 5 6 7 41111
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4 5 6 4111 1 2 3 4 1 2 3 4
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4 5 6 4111 1 2 3 4 2 3 4 41
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4 5 6 4111 1 2 3 4 3 4 5 411
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4 5 6 4111 1 2 3 4 4 5 6 4111
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4 5 6 4111 1 2 3 4 5 6 7 41111
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4 5 6 4111 2 3 31 5 1 2 3 4
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4 5 6 4111 2 3 31 5 2 3 4 41
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4 5 6 4111 2 3 31 5 3 4 5 411
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4 5 6 4111 2 3 31 5 4 5 6 4111
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4 5 6 4111 2 3 31 5 5 6 7 41111
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4 5 6 4111 3 4 311 6 1 2 3 4
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4 5 6 4111 3 4 311 6 2 3 4 41
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4 5 6 4111 3 4 311 6 3 4 5 411
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4 5 6 4111 3 4 311 6 4 5 6 4111
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4 5 6 4111 3 4 311 6 5 6 7 41111
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4 5 6 4111 4 5 3111 7 1 2 3 4
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4 5 6 4111 4 5 3111 7 2 3 4 41
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4 5 6 4111 4 5 3111 7 3 4 5 411
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4 5 6 4111 4 5 3111 7 4 5 6 4111
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4 5 6 4111 4 5 3111 7 5 6 7 41111
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4 5 6 4111 5 6 31111 8 1 2 3 4
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4 5 6 4111 5 6 31111 8 2 3 4 41
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4 5 6 4111 5 6 31111 8 3 4 5 411
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4 5 6 4111 5 6 31111 8 4 5 6 4111
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4 5 6 4111 5 6 31111 8 5 6 7 41111
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5 6 7 41111 1 2 3 4 1 2 3 4
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5 6 7 41111 1 2 3 4 2 3 4 41
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5 6 7 41111 1 2 3 4 3 4 5 411
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5 6 7 41111 1 2 3 4 4 5 6 4111
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5 6 7 41111 1 2 3 4 5 6 7 41111
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5 6 7 41111 2 3 31 5 1 2 3 4
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5 6 7 41111 2 3 31 5 2 3 4 41
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5 6 7 41111 2 3 31 5 3 4 5 411
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5 6 7 41111 2 3 31 5 4 5 6 4111
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5 6 7 41111 2 3 31 5 5 6 7 41111
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5 6 7 41111 3 4 311 6 1 2 3 4
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5 6 7 41111 3 4 311 6 2 3 4 41
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5 6 7 41111 3 4 311 6 3 4 5 411
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5 6 7 41111 3 4 311 6 4 5 6 4111
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5 6 7 41111 3 4 311 6 5 6 7 41111
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5 6 7 41111 4 5 3111 7 1 2 3 4
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5 6 7 41111 4 5 3111 7 2 3 4 41
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5 6 7 41111 4 5 3111 7 3 4 5 411
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5 6 7 41111 4 5 3111 7 4 5 6 4111
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5 6 7 41111 4 5 3111 7 5 6 7 41111
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5 6 7 41111 5 6 31111 8 1 2 3 4
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5 6 7 41111 5 6 31111 8 2 3 4 41
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5 6 7 41111 5 6 31111 8 3 4 5 411
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5 6 7 41111 5 6 31111 8 4 5 6 4111
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5 6 7 41111 5 6 31111 8 5 6 7 41111
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with cte1 (c1) as (select 1) select * from cte1 as b, cte1 as a;
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c1 c1
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1 1
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WITH RECURSIVE qn AS
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(
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select 1
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union all
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select 3, 0 from qn
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)
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select * from qn;
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Error 1222 (21000): The used SELECT statements have a different number of columns
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with recursive cte1 as (select 1 union all (select 1 from cte1 limit 10)) select * from cte1;
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Error 1235 (42000): This version of TiDB doesn't yet support 'ORDER BY / LIMIT / SELECT DISTINCT in recursive query block of Common Table Expression'
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with recursive qn as (select 123 as a union all select null from qn where a is not null) select * from qn;
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a
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123
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NULL
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with recursive q (b) as (select 1, 1 union all select 1, 1 from q) select b from q;
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Error 1353 (HY000): In definition of view, derived table or common table expression, SELECT list and column names list have different column counts
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drop table if exists t1;
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create table t1(a int);
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insert into t1 values(1);
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insert into t1 values(2);
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SELECT *
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FROM
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t1 dt
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WHERE
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EXISTS(
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WITH RECURSIVE qn AS (SELECT a*0 AS b UNION ALL SELECT b+1 FROM qn WHERE b=0)
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SELECT * FROM qn WHERE b=a
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);
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a
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1
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drop table if exists t1;
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create table t1 (a int);
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insert into t1 values (1);
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SELECT (WITH qn AS (SELECT 10*a as a FROM t1),
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qn2 AS (SELECT 3*a AS b FROM qn) SELECT * from qn2 LIMIT 1)
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FROM t1;
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(WITH qn AS (SELECT 10*a as a FROM t1),
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qn2 AS (SELECT 3*a AS b FROM qn)
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30
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select (with qn as (select "with") select * from qn) as scal_subq
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from dual;
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scal_subq
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with
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drop table if exists t1;
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create table t1 (a int); insert into t1 values(1), (2), (3);
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with q as (select * from t1)
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select /*+ merge(q) no_merge(q1) */ * from q, q q1 where q.a=1 and q1.a=2;
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a a
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1 2
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drop table if exists t1; create table t1 (a int, b int);
|
|
with qn as (select a, b from t1) select b from qn group by a;
|
|
b
|
|
drop table if exists t1;
|
|
create table t1(a int);
|
|
insert into t1 values(1);
|
|
insert into t1 values(2);
|
|
SELECT *
|
|
FROM
|
|
t1 dt
|
|
WHERE
|
|
EXISTS(
|
|
WITH RECURSIVE qn AS (SELECT a*0+1 AS b UNION ALL SELECT b+1 FROM qn WHERE b=0)
|
|
SELECT * FROM qn WHERE b=1
|
|
);
|
|
a
|
|
1
|
|
2
|
|
drop table if exists tbl_1;
|
|
CREATE TABLE `tbl_1` (
|
|
`col_2` char(65) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,
|
|
`col_3` int(11) NOT NULL
|
|
);
|
|
with recursive cte_8932 (col_34891,col_34892) AS ( with recursive cte_8932 (col_34893,col_34894,col_34895) AS ( with tbl_1 (col_34896,col_34897,col_34898,col_34899) AS ( select 1, "2",3,col_3 from tbl_1 ) select cte_as_8958.col_34896,cte_as_8958.col_34898,cte_as_8958.col_34899 from tbl_1 as cte_as_8958 UNION DISTINCT select col_34893 + 1,concat(col_34894, 1),col_34895 + 1 from cte_8932 where col_34893 < 5 ) select cte_as_8959.col_34893,cte_as_8959.col_34895 from cte_8932 as cte_as_8959 ) select * from cte_8932 as cte_as_8960 order by cte_as_8960.col_34891,cte_as_8960.col_34892;
|
|
col_34891 col_34892
|
|
drop table if exists t1;
|
|
create table t1(c1 bigint unsigned);
|
|
insert into t1 values(0);
|
|
with recursive cte1 as (select c1 - 1 c1 from t1 union all select c1 - 1 c1 from cte1 where c1 != 0) select * from cte1 dt1, cte1 dt2;
|
|
Error 1690 (22003): BIGINT UNSIGNED value is out of range in '(cte.t1.c1 - 1)'
|
|
drop table if exists t;
|
|
create table t(a int, b int, key (b));
|
|
desc with cte as (select * from t) select * from cte;
|
|
id estRows task access object operator info
|
|
TableReader_9 10000.00 root data:TableFullScan_8
|
|
└─TableFullScan_8 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
create SESSION binding for with cte as (select * from t) select * from cte using with cte as (select * from t use index(b)) select * from cte;
|
|
desc with cte as (select * from t) select * from cte;
|
|
id estRows task access object operator info
|
|
IndexLookUp_10 10000.00 root
|
|
├─IndexFullScan_8(Build) 10000.00 cop[tikv] table:t, index:b(b) keep order:false, stats:pseudo
|
|
└─TableRowIDScan_9(Probe) 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
desc with cte as (select * from t use index()) select * from cte;
|
|
id estRows task access object operator info
|
|
IndexLookUp_10 10000.00 root
|
|
├─IndexFullScan_8(Build) 10000.00 cop[tikv] table:t, index:b(b) keep order:false, stats:pseudo
|
|
└─TableRowIDScan_9(Probe) 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
drop table if exists t1, tpk;
|
|
create table t1(c1 int);
|
|
insert into t1 values(1), (2), (1), (2);
|
|
create table tpk(c1 int primary key);
|
|
insert into tpk values(1), (2), (3);
|
|
// Expect a Sort operator on CTE.
|
|
explain with cte1 as (select c1 from t1) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
id estRows task access object operator info
|
|
MergeJoin_25 12487.50 root inner join, left key:cte.t1.c1, right key:cte.t1.c1
|
|
├─Sort_23(Build) 9990.00 root cte.t1.c1
|
|
│ └─TableReader_22 9990.00 root data:Selection_21
|
|
│ └─Selection_21 9990.00 cop[tikv] not(isnull(cte.t1.c1))
|
|
│ └─TableFullScan_20 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
└─Sort_19(Probe) 9990.00 root cte.t1.c1
|
|
└─TableReader_18 9990.00 root data:Selection_17
|
|
└─Selection_17 9990.00 cop[tikv] not(isnull(cte.t1.c1))
|
|
└─TableFullScan_16 10000.00 cop[tikv] table:dt1 keep order:false, stats:pseudo
|
|
with cte1 as (select c1 from t1) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
c1 c1
|
|
1 1
|
|
1 1
|
|
1 1
|
|
1 1
|
|
2 2
|
|
2 2
|
|
2 2
|
|
2 2
|
|
// Sort should not exist, because tpk.c1 is pk. Not the best plan for now(#25674).
|
|
explain with cte1 as (select c1 from tpk) select /*+ MERGE_JOIN(dt1, dt2) */ * from tpk dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
id estRows task access object operator info
|
|
MergeJoin_27 12500.00 root inner join, left key:cte.tpk.c1, right key:cte.tpk.c1
|
|
├─TableReader_24(Build) 10000.00 root data:TableFullScan_23
|
|
│ └─TableFullScan_23 10000.00 cop[tikv] table:tpk keep order:true, stats:pseudo
|
|
└─TableReader_22(Probe) 10000.00 root data:TableFullScan_21
|
|
└─TableFullScan_21 10000.00 cop[tikv] table:dt1 keep order:true, stats:pseudo
|
|
with cte1 as (select c1 from tpk) select /*+ MERGE_JOIN(dt1, dt2) */ * from tpk dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
c1 c1
|
|
1 1
|
|
2 2
|
|
3 3
|
|
// Sort should not exist, because we have order by in CTE definition. Not the best plan for now(#25674).
|
|
explain with cte1 as (select c1 from t1 order by c1) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
id estRows task access object operator info
|
|
MergeJoin_25 12487.50 root inner join, left key:cte.t1.c1, right key:cte.t1.c1
|
|
├─Sort_23(Build) 9990.00 root cte.t1.c1
|
|
│ └─TableReader_22 9990.00 root data:Selection_21
|
|
│ └─Selection_21 9990.00 cop[tikv] not(isnull(cte.t1.c1))
|
|
│ └─TableFullScan_20 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
└─Sort_19(Probe) 9990.00 root cte.t1.c1
|
|
└─TableReader_18 9990.00 root data:Selection_17
|
|
└─Selection_17 9990.00 cop[tikv] not(isnull(cte.t1.c1))
|
|
└─TableFullScan_16 10000.00 cop[tikv] table:dt1 keep order:false, stats:pseudo
|
|
with cte1 as (select c1 from t1 order by c1) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
c1 c1
|
|
1 1
|
|
1 1
|
|
1 1
|
|
1 1
|
|
2 2
|
|
2 2
|
|
2 2
|
|
2 2
|
|
// Expect a Sort operator on CTE. Because it's recursive.
|
|
explain with recursive cte1 as (select c1 from t1 union select c1 +1 c1 from cte1 where c1 < 3) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
id estRows task access object operator info
|
|
MergeJoin_36 8001.00 root inner join, left key:cte.t1.c1, right key:cte.t1.c1
|
|
├─Sort_34(Build) 6400.80 root cte.t1.c1
|
|
│ └─Selection_32 6400.80 root not(isnull(cte.t1.c1))
|
|
│ └─CTEFullScan_33 8001.00 root CTE:cte1 AS dt2 data:CTE_0
|
|
└─Sort_30(Probe) 9990.00 root cte.t1.c1
|
|
└─TableReader_29 9990.00 root data:Selection_28
|
|
└─Selection_28 9990.00 cop[tikv] not(isnull(cte.t1.c1))
|
|
└─TableFullScan_27 10000.00 cop[tikv] table:dt1 keep order:false, stats:pseudo
|
|
CTE_0 8001.00 root Recursive CTE
|
|
├─TableReader_18(Seed Part) 10000.00 root data:TableFullScan_17
|
|
│ └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
└─Projection_19(Recursive Part) 8000.00 root cast(plus(cte.t1.c1, 1), int(11))->cte.t1.c1
|
|
└─Selection_20 8000.00 root lt(cte.t1.c1, 3)
|
|
└─CTETable_21 10000.00 root Scan on CTE_0
|
|
with recursive cte1 as (select c1 from t1 union select c1 +1 c1 from cte1 where c1 < 3) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
c1 c1
|
|
1 1
|
|
1 1
|
|
2 2
|
|
2 2
|
|
// Expect a Sort operator on CTE. Because it's recursive.
|
|
explain with recursive cte1 as (select c1 from tpk union select c1 +1 c1 from cte1 where c1 < 3) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
id estRows task access object operator info
|
|
MergeJoin_36 8001.00 root inner join, left key:cte.t1.c1, right key:cte.tpk.c1
|
|
├─Sort_34(Build) 6400.80 root cte.tpk.c1
|
|
│ └─Selection_32 6400.80 root not(isnull(cte.tpk.c1))
|
|
│ └─CTEFullScan_33 8001.00 root CTE:cte1 AS dt2 data:CTE_0
|
|
└─Sort_30(Probe) 9990.00 root cte.t1.c1
|
|
└─TableReader_29 9990.00 root data:Selection_28
|
|
└─Selection_28 9990.00 cop[tikv] not(isnull(cte.t1.c1))
|
|
└─TableFullScan_27 10000.00 cop[tikv] table:dt1 keep order:false, stats:pseudo
|
|
CTE_0 8001.00 root Recursive CTE
|
|
├─TableReader_18(Seed Part) 10000.00 root data:TableFullScan_17
|
|
│ └─TableFullScan_17 10000.00 cop[tikv] table:tpk keep order:false, stats:pseudo
|
|
└─Projection_19(Recursive Part) 8000.00 root cast(plus(cte.tpk.c1, 1), int(11))->cte.tpk.c1
|
|
└─Selection_20 8000.00 root lt(cte.tpk.c1, 3)
|
|
└─CTETable_21 10000.00 root Scan on CTE_0
|
|
with recursive cte1 as (select c1 from tpk union select c1 +1 c1 from cte1 where c1 < 3) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
c1 c1
|
|
1 1
|
|
1 1
|
|
2 2
|
|
2 2
|
|
// Got order by in CTE definition
|
|
// Expect Sort operator in CTE definition.
|
|
explain with cte1 as (select c1 from t1 order by c1) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
id estRows task access object operator info
|
|
MergeJoin_25 12487.50 root inner join, left key:cte.t1.c1, right key:cte.t1.c1
|
|
├─Sort_23(Build) 9990.00 root cte.t1.c1
|
|
│ └─TableReader_22 9990.00 root data:Selection_21
|
|
│ └─Selection_21 9990.00 cop[tikv] not(isnull(cte.t1.c1))
|
|
│ └─TableFullScan_20 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
└─Sort_19(Probe) 9990.00 root cte.t1.c1
|
|
└─TableReader_18 9990.00 root data:Selection_17
|
|
└─Selection_17 9990.00 cop[tikv] not(isnull(cte.t1.c1))
|
|
└─TableFullScan_16 10000.00 cop[tikv] table:dt1 keep order:false, stats:pseudo
|
|
with cte1 as (select c1 from t1 order by c1) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
c1 c1
|
|
1 1
|
|
1 1
|
|
1 1
|
|
1 1
|
|
2 2
|
|
2 2
|
|
2 2
|
|
2 2
|
|
// Sort should not exist, because tpk is ordered. Not the best plan for now(#25674).
|
|
explain with cte1 as (select c1 from tpk order by c1) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
id estRows task access object operator info
|
|
MergeJoin_23 12487.50 root inner join, left key:cte.t1.c1, right key:cte.tpk.c1
|
|
├─TableReader_21(Build) 10000.00 root data:TableFullScan_20
|
|
│ └─TableFullScan_20 10000.00 cop[tikv] table:tpk keep order:true, stats:pseudo
|
|
└─Sort_19(Probe) 9990.00 root cte.t1.c1
|
|
└─TableReader_18 9990.00 root data:Selection_17
|
|
└─Selection_17 9990.00 cop[tikv] not(isnull(cte.t1.c1))
|
|
└─TableFullScan_16 10000.00 cop[tikv] table:dt1 keep order:false, stats:pseudo
|
|
with cte1 as (select c1 from tpk order by c1) select /*+ MERGE_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = dt1.c1 order by 1, 2;
|
|
c1 c1
|
|
1 1
|
|
1 1
|
|
2 2
|
|
2 2
|
|
// HashJoin. No need to sort
|
|
explain with cte1 as (select c1 from t1) select /*+ HASH_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = 1 order by 1, 2;
|
|
id estRows task access object operator info
|
|
Sort_13 100000.00 root cte.t1.c1, cte.t1.c1
|
|
└─Projection_16 100000.00 root cte.t1.c1, cte.t1.c1
|
|
└─HashJoin_18 100000.00 root CARTESIAN inner join
|
|
├─TableReader_21(Build) 10.00 root data:Selection_20
|
|
│ └─Selection_20 10.00 cop[tikv] eq(cte.t1.c1, 1)
|
|
│ └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
└─TableReader_23(Probe) 10000.00 root data:TableFullScan_22
|
|
└─TableFullScan_22 10000.00 cop[tikv] table:dt1 keep order:false, stats:pseudo
|
|
with cte1 as (select c1 from t1) select /*+ HASH_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = 1 order by 1, 2;
|
|
c1 c1
|
|
1 1
|
|
1 1
|
|
1 1
|
|
1 1
|
|
2 1
|
|
2 1
|
|
2 1
|
|
2 1
|
|
explain with cte1 as (select c1 from tpk) select /*+ HASH_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = 1 order by 1, 2;
|
|
id estRows task access object operator info
|
|
Sort_13 10000.00 root cte.t1.c1, cte.tpk.c1
|
|
└─Projection_16 10000.00 root cte.t1.c1, cte.tpk.c1
|
|
└─HashJoin_18 10000.00 root CARTESIAN inner join
|
|
├─Point_Get_19(Build) 1.00 root table:tpk handle:1
|
|
└─TableReader_21(Probe) 10000.00 root data:TableFullScan_20
|
|
└─TableFullScan_20 10000.00 cop[tikv] table:dt1 keep order:false, stats:pseudo
|
|
with cte1 as (select c1 from tpk) select /*+ HASH_JOIN(dt1, dt2) */ * from t1 dt1 inner join cte1 dt2 on dt2.c1 = 1 order by 1, 2;
|
|
c1 c1
|
|
1 1
|
|
1 1
|
|
2 1
|
|
2 1
|
|
// Use same CTE.
|
|
drop table if exists tpk1, tpk;
|
|
create table tpk(c1 int primary key);
|
|
insert into tpk values(1), (2), (3);
|
|
create table tpk1(c1 int primary key);
|
|
insert into tpk1 values(1), (2), (3);
|
|
explain with cte1 as (select c1 from tpk) select /*+ merge_join(dt1, dt2) */ * from tpk1 dt1 inner join cte1 dt2 inner join cte1 dt3 on dt1.c1 = dt2.c1 and dt2.c1 = dt3.c1;
|
|
id estRows task access object operator info
|
|
HashJoin_19 12500.00 root inner join, equal:[eq(cte.tpk.c1, cte.tpk.c1)]
|
|
├─Selection_28(Build) 8000.00 root not(isnull(cte.tpk.c1))
|
|
│ └─CTEFullScan_29 10000.00 root CTE:cte1 AS dt3 data:CTE_0
|
|
└─MergeJoin_21(Probe) 10000.00 root inner join, left key:cte.tpk1.c1, right key:cte.tpk.c1
|
|
├─Sort_27(Build) 8000.00 root cte.tpk.c1
|
|
│ └─Selection_25 8000.00 root not(isnull(cte.tpk.c1))
|
|
│ └─CTEFullScan_26 10000.00 root CTE:cte1 AS dt2 data:CTE_0
|
|
└─TableReader_23(Probe) 10000.00 root data:TableFullScan_22
|
|
└─TableFullScan_22 10000.00 cop[tikv] table:dt1 keep order:true, stats:pseudo
|
|
CTE_0 10000.00 root Non-Recursive CTE
|
|
└─TableReader_15(Seed Part) 10000.00 root data:TableFullScan_14
|
|
└─TableFullScan_14 10000.00 cop[tikv] table:tpk keep order:false, stats:pseudo
|
|
with cte1 as (select c1 from tpk) select /*+ merge_join(dt1, dt2) */ * from tpk1 dt1 inner join cte1 dt2 inner join cte1 dt3 on dt1.c1 = dt2.c1 and dt2.c1 = dt3.c1;
|
|
c1 c1 c1
|
|
1 1 1
|
|
2 2 2
|
|
3 3 3
|
|
// Test CTE as inner side of Apply
|
|
drop table if exists t1, t2;
|
|
create table t1(c1 int, c2 int);
|
|
insert into t1 values(2, 1);
|
|
insert into t1 values(2, 2);
|
|
create table t2(c1 int, c2 int);
|
|
insert into t2 values(1, 1);
|
|
insert into t2 values(3, 2);
|
|
explain select * from t1 where c1 > all(with cte1 as (select c1 from t2 where t2.c2 = t1.c2) select c1 from cte1);
|
|
id estRows task access object operator info
|
|
Projection_16 10000.00 root cte.t1.c1, cte.t1.c2
|
|
└─Apply_18 10000.00 root CARTESIAN inner join, other cond:or(and(gt(cte.t1.c1, Column#11), if(ne(Column#12, 0), NULL, 1)), or(eq(Column#13, 0), if(isnull(cte.t1.c1), NULL, 0)))
|
|
├─TableReader_20(Build) 10000.00 root data:TableFullScan_19
|
|
│ └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
└─StreamAgg_35(Probe) 10000.00 root funcs:max(Column#19)->Column#11, funcs:sum(Column#20)->Column#12, funcs:count(Column#21)->Column#13
|
|
└─TableReader_36 10000.00 root data:StreamAgg_24
|
|
└─StreamAgg_24 10000.00 cop[tikv] funcs:max(cte.t2.c1)->Column#19, funcs:sum(isnull(cte.t2.c1))->Column#20, funcs:count(1)->Column#21
|
|
└─Selection_34 100000.00 cop[tikv] eq(cte.t2.c2, cte.t1.c2)
|
|
└─TableFullScan_33 100000000.00 cop[tikv] table:t2 keep order:false, stats:pseudo
|
|
select * from t1 where c1 > all(with cte1 as (select c1 from t2 where t2.c2 = t1.c2) select c1 from cte1);
|
|
c1 c2
|
|
2 1
|
|
// Test semi apply.
|
|
insert into t1 values(2, 3);
|
|
explain select * from t1 where exists(with cte1 as (select c1 from t2 where t2.c2 = t1.c2) select c1 from cte1);
|
|
id estRows task access object operator info
|
|
HashJoin_14 7992.00 root semi join, equal:[eq(cte.t1.c2, cte.t2.c2)]
|
|
├─TableReader_20(Build) 9990.00 root data:Selection_19
|
|
│ └─Selection_19 9990.00 cop[tikv] not(isnull(cte.t2.c2))
|
|
│ └─TableFullScan_18 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo
|
|
└─TableReader_17(Probe) 9990.00 root data:Selection_16
|
|
└─Selection_16 9990.00 cop[tikv] not(isnull(cte.t1.c2))
|
|
└─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
select * from t1 where exists(with cte1 as (select c1 from t2 where t2.c2 = t1.c2) select c1 from cte1);
|
|
c1 c2
|
|
2 1
|
|
2 2
|
|
// Same as above, but test recursive cte.
|
|
explain select * from t1 where c1 > all(with recursive cte1 as (select c1 from t2 where t2.c2 = t1.c2 union all select c1+1 as c1 from cte1 limit 1) select c1 from cte1);
|
|
id estRows task access object operator info
|
|
Projection_30 10000.00 root cte.t1.c1, cte.t1.c2
|
|
└─Apply_32 10000.00 root CARTESIAN inner join, other cond:or(and(gt(cte.t1.c1, Column#14), if(ne(Column#15, 0), NULL, 1)), or(eq(Column#16, 0), if(isnull(cte.t1.c1), NULL, 0)))
|
|
├─TableReader_34(Build) 10000.00 root data:TableFullScan_33
|
|
│ └─TableFullScan_33 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
└─HashAgg_35(Probe) 10000.00 root funcs:max(Column#19)->Column#14, funcs:sum(Column#20)->Column#15, funcs:count(1)->Column#16
|
|
└─Projection_39 200000.00 root cte.t2.c1->Column#19, cast(isnull(cte.t2.c1), decimal(20,0) BINARY)->Column#20
|
|
└─CTEFullScan_37 200000.00 root CTE:cte1 data:CTE_0
|
|
CTE_0 20.00 root Recursive CTE, limit(offset:0, count:1)
|
|
├─TableReader_26(Seed Part) 10.00 root data:Projection_20
|
|
│ └─Projection_20 10.00 cop[tikv] cte.t2.c1
|
|
│ └─Selection_25 10.00 cop[tikv] eq(cte.t2.c2, cte.t1.c2)
|
|
│ └─TableFullScan_24 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo
|
|
└─Projection_27(Recursive Part) 10.00 root cast(plus(cte.t2.c1, 1), int(11))->cte.t2.c1
|
|
└─CTETable_28 10.00 root Scan on CTE_0
|
|
select * from t1 where c1 > all(with recursive cte1 as (select c1 from t2 where t2.c2 = t1.c2 union all select c1+1 as c1 from cte1 limit 1) select c1 from cte1);
|
|
c1 c2
|
|
2 1
|
|
2 3
|
|
explain select * from t1 where exists(with recursive cte1 as (select c1 from t2 where t2.c2 = t1.c2 union all select c1+1 as c1 from cte1 limit 10) select c1 from cte1);
|
|
id estRows task access object operator info
|
|
Apply_29 10000.00 root CARTESIAN semi join
|
|
├─TableReader_31(Build) 10000.00 root data:TableFullScan_30
|
|
│ └─TableFullScan_30 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
└─CTEFullScan_32(Probe) 200000.00 root CTE:cte1 data:CTE_0
|
|
CTE_0 20.00 root Recursive CTE, limit(offset:0, count:10)
|
|
├─TableReader_24(Seed Part) 10.00 root data:Projection_18
|
|
│ └─Projection_18 10.00 cop[tikv] cte.t2.c1
|
|
│ └─Selection_23 10.00 cop[tikv] eq(cte.t2.c2, cte.t1.c2)
|
|
│ └─TableFullScan_22 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo
|
|
└─Projection_25(Recursive Part) 10.00 root cast(plus(cte.t2.c1, 1), int(11))->cte.t2.c1
|
|
└─CTETable_26 10.00 root Scan on CTE_0
|
|
select * from t1 where exists(with recursive cte1 as (select c1 from t2 where t2.c2 = t1.c2 union all select c1+1 as c1 from cte1 limit 10) select c1 from cte1);
|
|
c1 c2
|
|
2 1
|
|
2 2
|
|
// Test correlated col is in recursive part.
|
|
explain select * from t1 where c1 > all(with recursive cte1 as (select c1, c2 from t2 union all select c1+1 as c1, c2+1 as c2 from cte1 where cte1.c2=t1.c2) select c1 from cte1);
|
|
id estRows task access object operator info
|
|
Projection_24 10000.00 root cte.t1.c1, cte.t1.c2
|
|
└─Apply_26 10000.00 root CARTESIAN inner join, other cond:or(and(gt(cte.t1.c1, Column#18), if(ne(Column#19, 0), NULL, 1)), or(eq(Column#20, 0), if(isnull(cte.t1.c1), NULL, 0)))
|
|
├─TableReader_28(Build) 10000.00 root data:TableFullScan_27
|
|
│ └─TableFullScan_27 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
└─HashAgg_29(Probe) 10000.00 root funcs:max(Column#23)->Column#18, funcs:sum(Column#24)->Column#19, funcs:count(1)->Column#20
|
|
└─Projection_33 180000000.00 root cte.t2.c1->Column#23, cast(isnull(cte.t2.c1), decimal(20,0) BINARY)->Column#24
|
|
└─CTEFullScan_31 180000000.00 root CTE:cte1 data:CTE_0
|
|
CTE_0 18000.00 root Recursive CTE
|
|
├─TableReader_19(Seed Part) 10000.00 root data:TableFullScan_18
|
|
│ └─TableFullScan_18 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo
|
|
└─Projection_20(Recursive Part) 8000.00 root cast(plus(cte.t2.c1, 1), int(11))->cte.t2.c1, cast(plus(cte.t2.c2, 1), int(11))->cte.t2.c2
|
|
└─Selection_21 8000.00 root eq(cte.t2.c2, cte.t1.c2)
|
|
└─CTETable_22 10000.00 root Scan on CTE_0
|
|
select * from t1 where c1 > all(with recursive cte1 as (select c1, c2 from t2 union all select c1+1 as c1, c2+1 as c2 from cte1 where cte1.c2=t1.c2) select c1 from cte1);
|
|
c1 c2
|
|
explain select * from t1 where exists(with recursive cte1 as (select c1, c2 from t2 union all select c1+1 as c1, c2+1 as c2 from cte1 where cte1.c2=t1.c2) select c1 from cte1);
|
|
id estRows task access object operator info
|
|
Apply_23 10000.00 root CARTESIAN semi join
|
|
├─TableReader_25(Build) 10000.00 root data:TableFullScan_24
|
|
│ └─TableFullScan_24 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo
|
|
└─CTEFullScan_26(Probe) 180000000.00 root CTE:cte1 data:CTE_0
|
|
CTE_0 18000.00 root Recursive CTE
|
|
├─TableReader_17(Seed Part) 10000.00 root data:TableFullScan_16
|
|
│ └─TableFullScan_16 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo
|
|
└─Projection_18(Recursive Part) 8000.00 root cast(plus(cte.t2.c1, 1), int(11))->cte.t2.c1, cast(plus(cte.t2.c2, 1), int(11))->cte.t2.c2
|
|
└─Selection_19 8000.00 root eq(cte.t2.c2, cte.t1.c2)
|
|
└─CTETable_20 10000.00 root Scan on CTE_0
|
|
select * from t1 where exists(with recursive cte1 as (select c1, c2 from t2 union all select c1+1 as c1, c2+1 as c2 from cte1 where cte1.c2=t1.c2) select c1 from cte1);
|
|
c1 c2
|
|
2 1
|
|
2 2
|
|
2 3
|
|
use cte;
|
|
drop table if exists t1, t2;
|
|
drop view if exists v1;
|
|
create table t1 (a int);
|
|
insert into t1 values (0), (1), (2), (3), (4);
|
|
create table t2 (a int);
|
|
insert into t2 values (1), (2), (3), (4), (5);
|
|
drop view if exists v1,v2;
|
|
create view v1 as with t1 as (select a from t2 where t2.a=3 union select t2.a+1 from t1,t2 where t1.a=t2.a) select * from t1 order by a desc limit 5;
|
|
create view v2 as with recursive t1 as ( select a from t2 where t2.a=3 union select t2.a+1 from t1,t2 where t1.a=t2.a) select * from t1 order by a desc limit 5;
|
|
use cte1;
|
|
select * from cte.v1;
|
|
a
|
|
5
|
|
4
|
|
3
|
|
2
|
|
select * from cte.v2;
|
|
a
|
|
6
|
|
5
|
|
4
|
|
3
|
|
use cte;
|
|
drop table if exists t ,t1, t2;
|
|
create table t(a int);
|
|
insert into t values (0);
|
|
create table t1 (b int);
|
|
insert into t1 values (0);
|
|
create table t2 (c int);
|
|
insert into t2 values (0);
|
|
drop view if exists v1;
|
|
create view v1 as with t1 as (with t11 as (select * from t) select * from t1, t2) select * from t1;
|
|
use cte1;
|
|
select * from cte.v1;
|
|
b c
|
|
0 0
|
|
use cte;
|
|
drop table if exists t11111;
|
|
create table t11111 (d int);
|
|
insert into t11111 values (123), (223), (323);
|
|
drop view if exists v1;
|
|
create view v1 as WITH t123 AS (WITH t11111 AS ( SELECT * FROM t1 ) SELECT ( WITH t2 AS ( SELECT ( WITH t23 AS ( SELECT * FROM t11111 ) SELECT * FROM t23 LIMIT 1 ) FROM t11111 ) SELECT * FROM t2 LIMIT 1 ) FROM t11111, t2 ) SELECT * FROM t11111;
|
|
use cte1;
|
|
select * from cte.v1;
|
|
d
|
|
123
|
|
223
|
|
323
|
|
use cte;
|
|
drop table if exists t1;
|
|
create table t1 (a int);
|
|
insert into t1 values (1);
|
|
drop view if exists v1;
|
|
create view v1 as SELECT (WITH qn AS (SELECT 10*a as a FROM t1),qn2 AS (SELECT 3*a AS b FROM qn) SELECT * from qn2 LIMIT 1) FROM t1;
|
|
use cte1;
|
|
select * from cte.v1;
|
|
name_exp_1
|
|
30
|
|
use cte;
|
|
drop table if exists t1,t2;
|
|
create table t1 (a int);
|
|
insert into t1 values (0), (1);
|
|
create table t2 (b int);
|
|
insert into t2 values (4), (5);
|
|
drop view if exists v1;
|
|
create view v1 as with t1 as (with t11 as (select * from t1) select * from t1, t2) select * from t1;
|
|
use cte1;
|
|
select * from cte.v1;
|
|
a b
|
|
0 5
|
|
0 4
|
|
1 5
|
|
1 4
|
|
CREATE TABLE `t_cqmg3b` (
|
|
`wkey` int(11) DEFAULT NULL,
|
|
`pkey` int(11) NOT NULL,
|
|
`c_anpf_c` int(11) DEFAULT NULL,
|
|
`c_b_fp_c` text DEFAULT NULL,
|
|
`c_ndccfb` int(11) DEFAULT NULL,
|
|
`c_8rswc` int(11) DEFAULT NULL,
|
|
PRIMARY KEY (`pkey`) /*T![clustered_index] CLUSTERED */
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
|
|
INSERT INTO `t_cqmg3b` VALUES (102,556000,NULL,'vbwxgc',NULL,NULL),(102,557000,NULL,'bfblud',NULL,NULL),(102,558000,NULL,'c6drnb',NULL,NULL),(102,559000,NULL,'fo_ezc',NULL,NULL),(102,560000,NULL,'btdes',NULL,NULL),(102,561000,NULL,'gy6zc',NULL,NULL),(102,562000,NULL,'9cyx9c',NULL,NULL),(102,563000,NULL,NULL,NULL,NULL),(103,564000,NULL,NULL,NULL,NULL),(103,565000,NULL,NULL,NULL,NULL),(103,566000,NULL,NULL,NULL,NULL),(103,567000,NULL,NULL,NULL,NULL),(103,568000,NULL,NULL,NULL,NULL),(103,569000,NULL,NULL,NULL,NULL),(103,570000,NULL,NULL,NULL,NULL),(105,578000,NULL,'fmicvd',NULL,NULL),(105,579000,NULL,'_tflkc',NULL,NULL),(105,580000,NULL,'xhovz',NULL,NULL),(105,581000,NULL,'n5bak',NULL,NULL),(105,582000,NULL,'gszus',NULL,NULL),(105,583000,NULL,'ewvydd',NULL,NULL),(105,584000,NULL,'fbzr0d',NULL,NULL),(107,590000,NULL,'8kgdf',NULL,NULL),(107,591000,NULL,'28v4bc',NULL,NULL),(107,592000,NULL,'evujpb',NULL,NULL),(107,593000,NULL,'8nkbzd',NULL,NULL),(107,594000,NULL,NULL,NULL,NULL),(109,599000,NULL,'1zswm',NULL,NULL),(109,600000,NULL,'gxlzrc',NULL,NULL),(109,601000,NULL,'xmedjc',NULL,NULL),(110,602000,NULL,'jwym6',NULL,NULL),(110,603000,NULL,NULL,NULL,NULL),(110,604000,NULL,'pcckxd',NULL,NULL),(111,605000,NULL,'lhvvp',NULL,NULL),(111,606000,NULL,'5eyidd',NULL,NULL),(111,607000,NULL,'l8azic',NULL,NULL),(111,608000,NULL,'_lmxx',NULL,NULL),(112,609000,NULL,'cstovb',NULL,NULL),(112,610000,NULL,'9bcdjc',NULL,NULL),(112,611000,NULL,'7zofhc',NULL,NULL),(112,612000,NULL,'pe2a3',NULL,NULL),(112,613000,NULL,'xtoet',NULL,NULL),(112,614000,NULL,'unvnj',NULL,NULL),(112,615000,NULL,'fj4v1b',NULL,NULL);
|
|
CREATE TABLE `t_dnmxh` (
|
|
`wkey` int(11) DEFAULT NULL,
|
|
`pkey` int(11) NOT NULL,
|
|
`c_xhsndb` double DEFAULT NULL,
|
|
PRIMARY KEY (`pkey`) /*T![clustered_index] CLUSTERED */
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
|
|
INSERT INTO `t_dnmxh` VALUES (104,571000,NULL),(104,572000,44.37),(104,573000,59.91),(104,574000,91.5),(104,575000,9.53),(104,576000,92.4),(104,577000,47.96),(106,585000,NULL),(106,586000,NULL),(106,587000,NULL),(106,588000,NULL),(106,589000,NULL),(108,595000,13.35),(108,596000,13.51),(108,597000,47.51),(108,598000,NULL),(113,616000,24.73),(113,617000,NULL),(113,618000,92.6),(113,619000,NULL),(113,620000,91.65),(113,621000,100.46),(113,622000,31.3),(113,623000,63.81);
|
|
WITH cte_0 AS (select distinct ref_0.wkey as c0, ref_0.pkey as c1, ref_0.c_xhsndb as c2 from t_dnmxh as ref_0 where (1 <= ( select ref_1.pkey not in ( select ref_5.wkey as c0 from t_dnmxh as ref_5 where (ref_5.wkey < ( select ref_6.pkey as c0 from t_cqmg3b as ref_6 where 88 between 96 and 76)) ) as c0 from (t_cqmg3b as ref_1 left outer join t_dnmxh as ref_2 on (ref_1.wkey = ref_2.wkey )) where ref_0.c_xhsndb is NULL union select 33 <= 91 as c0 from t_cqmg3b as ref_8 ))), cte_1 AS (select ref_9.wkey as c0, ref_9.pkey as c1, ref_9.c_anpf_c as c2, ref_9.c_b_fp_c as c3, ref_9.c_ndccfb as c4, ref_9.c_8rswc as c5 from t_cqmg3b as ref_9) select count(1) from cte_0 as ref_10 where case when 56 < 50 then case when 100 in ( select distinct ref_11.c4 as c0 from cte_1 as ref_11 where (ref_11.c4 > ( select ref_13.pkey as c0 from t_dnmxh as ref_13 where (ref_13.wkey > ( select distinct ref_11.c1 as c0 from cte_0 as ref_14)) )) or (1 = 1)) then null else null end else '7mxv6' end not like 'ki4%vc';
|
|
count(1)
|
|
24
|
|
with cte1 as (select 1), cte2 as (select 2) select * from cte1 union (with cte2 as (select 3) select * from cte2 union all select * from cte2) order by 1;
|
|
1
|
|
1
|
|
3
|
|
drop table if exists tt, tt1, tt2, tt3, tt4, tt5;
|
|
create table tt(c1 int, c2 int);
|
|
create table tt1(c1 int, c2 int);
|
|
create table tt2(c1 int, c2 int);
|
|
create table tt3(c1 int, c2 int);
|
|
create table tt4(c1 int, c2 int);
|
|
create table tt5(c1 int, c2 int);
|
|
insert into tt values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6);
|
|
insert into tt1 values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6);
|
|
insert into tt2 values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6);
|
|
insert into tt3 values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6);
|
|
insert into tt4 values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6);
|
|
insert into tt5 values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6);
|
|
explain with recursive cte1 as (select c1 from tt union select c1 from cte1 where exists (select /*+ no_decorrelate() */ c1 from tt1 where tt1.c2 = cte1.c1)) select c1 from tt2 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt2.c1) order by 1;
|
|
id estRows task access object operator info
|
|
Sort_31 10000.00 root cte1.tt2.c1
|
|
└─Apply_35 10000.00 root CARTESIAN semi join
|
|
├─TableReader_37(Build) 10000.00 root data:TableFullScan_36
|
|
│ └─TableFullScan_36 10000.00 cop[tikv] table:tt2 keep order:false, stats:pseudo
|
|
└─Selection_38(Probe) 64008000.00 root eq(cte1.tt.c1, cte1.tt2.c1)
|
|
└─CTEFullScan_39 80010000.00 root CTE:cte1 data:CTE_0
|
|
CTE_0 8001.00 root Recursive CTE
|
|
├─TableReader_23(Seed Part) 10000.00 root data:TableFullScan_22
|
|
│ └─TableFullScan_22 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo
|
|
└─Apply_26(Recursive Part) 10000.00 root CARTESIAN semi join
|
|
├─CTETable_27(Build) 10000.00 root Scan on CTE_0
|
|
└─TableReader_30(Probe) 100000.00 root data:Selection_29
|
|
└─Selection_29 100000.00 cop[tikv] eq(cte1.tt1.c2, cte1.tt.c1)
|
|
└─TableFullScan_28 100000000.00 cop[tikv] table:tt1 keep order:false, stats:pseudo
|
|
with recursive cte1 as (select c1 from tt union select c1 from cte1 where exists (select /*+ no_decorrelate() */ c1 from tt1 where tt1.c2 = cte1.c1)) select c1 from tt2 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt2.c1) order by 1;
|
|
c1
|
|
1
|
|
2
|
|
3
|
|
4
|
|
5
|
|
6
|
|
explain with recursive cte1 as (select c1 from tt union select c1 from cte1 where exists (select /*+ no_decorrelate() */ c1 from tt1 where tt1.c2 = cte1.c1))
|
|
select c1 from tt2 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt2.c1) union select c1 from tt3 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt3.c1) union
|
|
select c1 from tt4 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt4.c1) union select c1 from tt5 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt5.c1) order by 1;
|
|
id estRows task access object operator info
|
|
Sort_58 32000.00 root Column#28
|
|
└─HashAgg_60 32000.00 root group by:Column#28, funcs:firstrow(Column#28)->Column#28
|
|
└─Union_61 40000.00 root
|
|
├─Apply_64 10000.00 root CARTESIAN semi join
|
|
│ ├─TableReader_66(Build) 10000.00 root data:TableFullScan_65
|
|
│ │ └─TableFullScan_65 10000.00 cop[tikv] table:tt2 keep order:false, stats:pseudo
|
|
│ └─Selection_67(Probe) 64008000.00 root eq(cte1.tt.c1, cte1.tt2.c1)
|
|
│ └─CTEFullScan_68 80010000.00 root CTE:cte1 data:CTE_0
|
|
├─Apply_71 10000.00 root CARTESIAN semi join
|
|
│ ├─TableReader_73(Build) 10000.00 root data:TableFullScan_72
|
|
│ │ └─TableFullScan_72 10000.00 cop[tikv] table:tt3 keep order:false, stats:pseudo
|
|
│ └─Selection_74(Probe) 64008000.00 root eq(cte1.tt.c1, cte1.tt3.c1)
|
|
│ └─CTEFullScan_75 80010000.00 root CTE:cte1 data:CTE_0
|
|
├─Apply_78 10000.00 root CARTESIAN semi join
|
|
│ ├─TableReader_80(Build) 10000.00 root data:TableFullScan_79
|
|
│ │ └─TableFullScan_79 10000.00 cop[tikv] table:tt4 keep order:false, stats:pseudo
|
|
│ └─Selection_81(Probe) 64008000.00 root eq(cte1.tt.c1, cte1.tt4.c1)
|
|
│ └─CTEFullScan_82 80010000.00 root CTE:cte1 data:CTE_0
|
|
└─Apply_85 10000.00 root CARTESIAN semi join
|
|
├─TableReader_87(Build) 10000.00 root data:TableFullScan_86
|
|
│ └─TableFullScan_86 10000.00 cop[tikv] table:tt5 keep order:false, stats:pseudo
|
|
└─Selection_88(Probe) 64008000.00 root eq(cte1.tt.c1, cte1.tt5.c1)
|
|
└─CTEFullScan_89 80010000.00 root CTE:cte1 data:CTE_0
|
|
CTE_0 8001.00 root Recursive CTE
|
|
├─TableReader_50(Seed Part) 10000.00 root data:TableFullScan_49
|
|
│ └─TableFullScan_49 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo
|
|
└─Apply_53(Recursive Part) 10000.00 root CARTESIAN semi join
|
|
├─CTETable_54(Build) 10000.00 root Scan on CTE_0
|
|
└─TableReader_57(Probe) 100000.00 root data:Selection_56
|
|
└─Selection_56 100000.00 cop[tikv] eq(cte1.tt1.c2, cte1.tt.c1)
|
|
└─TableFullScan_55 100000000.00 cop[tikv] table:tt1 keep order:false, stats:pseudo
|
|
with recursive cte1 as (select c1 from tt union select c1 from cte1 where exists (select /*+ no_decorrelate() */ c1 from tt1 where tt1.c2 = cte1.c1))
|
|
select c1 from tt2 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt2.c1) union select c1 from tt3 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt3.c1) union
|
|
select c1 from tt4 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt4.c1) union select c1 from tt5 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt5.c1) order by 1;
|
|
c1
|
|
1
|
|
2
|
|
3
|
|
4
|
|
5
|
|
6
|
|
explain with cte1 as (with recursive cte2 as (select c1 from tt union all select c1 from cte2 where exists(select /*+ no_decorrelate() */ c1 from tt1 where tt1.c1 = cte2.c1) limit 300)
|
|
select c1 from tt union select c1 from cte2 where exists (select /*+ no_decorrelate() */ c1 from tt1 where tt1.c2 = cte2.c1))
|
|
select c1 from tt2 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt2.c1) union select c1 from tt3 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt3.c1) union
|
|
select c1 from tt4 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt4.c1) union select c1 from tt5 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt5.c1) order by 1;
|
|
id estRows task access object operator info
|
|
Sort_85 32000.00 root Column#36
|
|
└─HashAgg_87 32000.00 root group by:Column#36, funcs:firstrow(Column#36)->Column#36
|
|
└─Union_88 40000.00 root
|
|
├─Apply_91 10000.00 root CARTESIAN semi join
|
|
│ ├─TableReader_93(Build) 10000.00 root data:TableFullScan_92
|
|
│ │ └─TableFullScan_92 10000.00 cop[tikv] table:tt2 keep order:false, stats:pseudo
|
|
│ └─Selection_94(Probe) 128008000.00 root eq(Column#23, cte1.tt2.c1)
|
|
│ └─CTEFullScan_95 160010000.00 root CTE:cte1 data:CTE_0
|
|
├─Apply_98 10000.00 root CARTESIAN semi join
|
|
│ ├─TableReader_100(Build) 10000.00 root data:TableFullScan_99
|
|
│ │ └─TableFullScan_99 10000.00 cop[tikv] table:tt3 keep order:false, stats:pseudo
|
|
│ └─Selection_101(Probe) 128008000.00 root eq(Column#27, cte1.tt3.c1)
|
|
│ └─CTEFullScan_102 160010000.00 root CTE:cte1 data:CTE_0
|
|
├─Apply_105 10000.00 root CARTESIAN semi join
|
|
│ ├─TableReader_107(Build) 10000.00 root data:TableFullScan_106
|
|
│ │ └─TableFullScan_106 10000.00 cop[tikv] table:tt4 keep order:false, stats:pseudo
|
|
│ └─Selection_108(Probe) 128008000.00 root eq(Column#31, cte1.tt4.c1)
|
|
│ └─CTEFullScan_109 160010000.00 root CTE:cte1 data:CTE_0
|
|
└─Apply_112 10000.00 root CARTESIAN semi join
|
|
├─TableReader_114(Build) 10000.00 root data:TableFullScan_113
|
|
│ └─TableFullScan_113 10000.00 cop[tikv] table:tt5 keep order:false, stats:pseudo
|
|
└─Selection_115(Probe) 128008000.00 root eq(Column#35, cte1.tt5.c1)
|
|
└─CTEFullScan_116 160010000.00 root CTE:cte1 data:CTE_0
|
|
CTE_0 16001.00 root Non-Recursive CTE
|
|
└─HashAgg_73(Seed Part) 16001.00 root group by:Column#19, funcs:firstrow(Column#19)->Column#19
|
|
└─Union_74 30000.00 root
|
|
├─TableReader_77 10000.00 root data:TableFullScan_76
|
|
│ └─TableFullScan_76 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo
|
|
└─Apply_80 20000.00 root CARTESIAN semi join
|
|
├─CTEFullScan_81(Build) 20000.00 root CTE:cte2 data:CTE_1
|
|
└─TableReader_84(Probe) 200000.00 root data:Selection_83
|
|
└─Selection_83 200000.00 cop[tikv] eq(cte1.tt1.c2, cte1.tt.c1)
|
|
└─TableFullScan_82 200000000.00 cop[tikv] table:tt1 keep order:false, stats:pseudo
|
|
CTE_1 20000.00 root Recursive CTE, limit(offset:0, count:300)
|
|
├─TableReader_65(Seed Part) 10000.00 root data:TableFullScan_64
|
|
│ └─TableFullScan_64 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo
|
|
└─Apply_68(Recursive Part) 10000.00 root CARTESIAN semi join
|
|
├─CTETable_69(Build) 10000.00 root Scan on CTE_1
|
|
└─TableReader_72(Probe) 100000.00 root data:Selection_71
|
|
└─Selection_71 100000.00 cop[tikv] eq(cte1.tt1.c1, cte1.tt.c1)
|
|
└─TableFullScan_70 100000000.00 cop[tikv] table:tt1 keep order:false, stats:pseudo
|
|
with cte1 as (with recursive cte2 as (select c1 from tt union all select c1 from cte2 where exists(select /*+ no_decorrelate() */ c1 from tt1 where tt1.c1 = cte2.c1) limit 300)
|
|
select c1 from tt union select c1 from cte2 where exists (select /*+ no_decorrelate() */ c1 from tt1 where tt1.c2 = cte2.c1))
|
|
select c1 from tt2 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt2.c1) union select c1 from tt3 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt3.c1) union
|
|
select c1 from tt4 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt4.c1) union select c1 from tt5 where exists (select /*+ no_decorrelate() */ * from cte1 where cte1.c1 = tt5.c1) order by 1;
|
|
c1
|
|
1
|
|
2
|
|
3
|
|
4
|
|
5
|
|
6
|
|
drop table if exists table_a, table_b, table_c, table_d, table_e;
|
|
CREATE TABLE `table_a` (
|
|
`col_1` varchar(40) DEFAULT NULL,
|
|
`col_2` varchar(40) DEFAULT NULL,
|
|
`col_3` varchar(500) DEFAULT NULL,
|
|
`col_4` varchar(500) DEFAULT NULL,
|
|
`col_5` varchar(500) DEFAULT NULL,
|
|
`col_6` varchar(500) DEFAULT NULL,
|
|
`col_7` decimal(38,6) DEFAULT NULL,
|
|
`col_8` decimal(38,6) DEFAULT NULL,
|
|
`col_9` decimal(38,6) DEFAULT NULL,
|
|
`col_10` decimal(38,6) DEFAULT NULL,
|
|
`col_11` decimal(38,6) DEFAULT NULL,
|
|
`col_12` decimal(38,6) DEFAULT NULL,
|
|
`col_13` decimal(38,6) DEFAULT NULL,
|
|
`col_14` decimal(38,6) DEFAULT NULL,
|
|
`col_15` decimal(38,6) DEFAULT NULL,
|
|
`col_16` decimal(38,6) DEFAULT NULL,
|
|
`col_17` decimal(38,6) DEFAULT NULL,
|
|
`col_18` decimal(38,6) DEFAULT NULL,
|
|
`col_19` varchar(40) DEFAULT NULL,
|
|
`col_20` varchar(100) DEFAULT NULL,
|
|
`col_21` varchar(100) DEFAULT NULL,
|
|
`created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
|
|
KEY `index_col_1` (`col_1`),
|
|
KEY `index_col_2_3` (`col_2`,`col_3`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
|
|
CREATE TABLE `table_b` (
|
|
`col_1` varchar(8) NOT NULL,
|
|
`col_2` varchar(100) NOT NULL,
|
|
`col_3` varchar(200) DEFAULT NULL,
|
|
`col_4` varchar(10) NOT NULL,
|
|
`col_5` decimal(38,6) DEFAULT NULL,
|
|
`col_6` decimal(38,6) DEFAULT NULL,
|
|
`col_7` decimal(38,6) DEFAULT NULL,
|
|
`col_8` decimal(38,6) DEFAULT NULL,
|
|
`created_at` datetime DEFAULT CURRENT_TIMESTAMP,
|
|
KEY `index_col_1_2` (`col_1`,`col_2`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
|
|
CREATE TABLE `table_c` (
|
|
`col_1` varchar(50) DEFAULT NULL,
|
|
`col_2` varchar(50) DEFAULT NULL,
|
|
`col_3` varchar(30) DEFAULT NULL,
|
|
`col_4` varchar(100) DEFAULT NULL,
|
|
`col_5` varchar(50) DEFAULT NULL,
|
|
`col_6` varchar(100) DEFAULT NULL,
|
|
`col_7` decimal(38,6) DEFAULT NULL,
|
|
`col_8` decimal(38,6) DEFAULT NULL,
|
|
`col_9` decimal(38,6) DEFAULT NULL,
|
|
`col_10` decimal(38,6) DEFAULT NULL,
|
|
`col_11` decimal(38,6) DEFAULT NULL,
|
|
`col_12` decimal(38,6) DEFAULT NULL,
|
|
`col_13` decimal(38,6) DEFAULT NULL,
|
|
`col_14` decimal(38,6) DEFAULT NULL,
|
|
`col_15` decimal(38,6) DEFAULT NULL,
|
|
`col_16` decimal(38,6) DEFAULT NULL,
|
|
`col_17` varchar(50) DEFAULT NULL,
|
|
`col_18` varchar(50) DEFAULT NULL,
|
|
`col_19` varchar(50) DEFAULT NULL,
|
|
`created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
|
|
KEY `index_col_1_3` (`col_1`,`col_3`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
|
|
CREATE TABLE `table_d` (
|
|
`col_1` decimal(10,0) DEFAULT NULL,
|
|
`col_2` varchar(1) DEFAULT NULL,
|
|
`col_3` date NOT NULL,
|
|
`col_4` varchar(13) DEFAULT NULL,
|
|
`col_5` varchar(6) DEFAULT NULL,
|
|
`col_6` varchar(255) DEFAULT NULL,
|
|
`col_7` decimal(10,0) DEFAULT NULL,
|
|
`col_8` varchar(12) DEFAULT NULL,
|
|
`col_9` decimal(10,0) DEFAULT NULL,
|
|
`col_10` varchar(17) DEFAULT NULL,
|
|
`col_11` decimal(10,0) DEFAULT NULL,
|
|
`col_12` varchar(7) DEFAULT NULL,
|
|
`col_13` date DEFAULT NULL,
|
|
`col_14` date DEFAULT NULL,
|
|
`col_15` date DEFAULT NULL,
|
|
`col_16` date DEFAULT NULL,
|
|
`col_17` date DEFAULT NULL,
|
|
`col_18` date DEFAULT NULL,
|
|
`col_19` date DEFAULT NULL,
|
|
`col_20` varchar(1) DEFAULT NULL,
|
|
`col_21` varchar(1) DEFAULT NULL,
|
|
`col_22` decimal(1,0) DEFAULT NULL,
|
|
`col_23` varchar(1) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
|
|
CREATE TABLE `table_e` (
|
|
`col_1` varchar(8) NOT NULL,
|
|
`col_2` varchar(100) NOT NULL,
|
|
`col_3` varchar(100) DEFAULT NULL,
|
|
`col_4` varchar(100) NOT NULL,
|
|
`col_5` varchar(100) DEFAULT NULL,
|
|
`col_6` varchar(100) DEFAULT NULL,
|
|
`col_7` decimal(38,12) DEFAULT NULL,
|
|
`col_8` varchar(100) DEFAULT NULL,
|
|
`col_9` varchar(100) DEFAULT NULL,
|
|
`col_10` varchar(100) DEFAULT NULL,
|
|
`col_11` varchar(100) DEFAULT NULL,
|
|
`col_12` varchar(8) DEFAULT NULL,
|
|
`col_13` decimal(38,12) DEFAULT NULL,
|
|
`col_14` varchar(100) DEFAULT NULL,
|
|
`created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
|
|
`col_15` varchar(500) DEFAULT NULL,
|
|
PRIMARY KEY (`col_2`, `col_1`, `col_4`),
|
|
KEY `index_col_5_6` (`col_5`, `col_6`)
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
|
|
INSERT INTO `table_a`
|
|
(`col_1`, `col_2`, `col_3`, `col_4`, `col_5`, `col_6`, `col_7`,
|
|
`col_8`, `col_9`, `col_10`, `col_11`, `col_12`, `col_13`,
|
|
`col_14`, `col_15`, `col_16`, `col_17`, `col_18`, `col_19`,
|
|
`col_20`, `col_21`, `created_at`)
|
|
VALUES
|
|
('20230628', '20230628', 'Portfolio A', 'Product B', 'Direct', 'USD',
|
|
200000, 150000, 50000, 100000,
|
|
50000, 10000, 5000, 1.2, 0.1,
|
|
0.15, 0.08, 0.02, '2023-06-28',
|
|
'2023-06-28', '2025-06-28', CURRENT_TIMESTAMP);
|
|
INSERT INTO `table_b`
|
|
(`col_1`, `col_2`, `col_3`, `col_4`, `col_5`, `col_6`, `col_7`, `col_8`, `created_at`)
|
|
VALUES
|
|
('20240628', 'DR201800093', 'Product A', '申购', 1000, 100000, 95000, 1.1, CURRENT_TIMESTAMP);
|
|
INSERT INTO `table_c`
|
|
(`col_1`, `col_2`, `col_3`, `col_4`, `col_5`, `col_6`, `col_7`,
|
|
`col_8`, `col_9`, `col_10`, `col_11`, `col_12`, `col_13`,
|
|
`col_14`, `col_15`, `col_16`, `col_17`, `col_18`, `col_19`, `created_at`)
|
|
VALUES
|
|
('20230628', 'Dept A', 'DR201800093', 'Product A', '孵化', 'Strategy 1',
|
|
100000, 100000, 120000, 100, 1.2,
|
|
0.2, 0.15, 0.1, 0.05, 0.08,
|
|
'2023-06-28', '2025-06-28', '2Y', CURRENT_TIMESTAMP);
|
|
INSERT INTO `table_d`
|
|
(`col_1`, `col_2`, `col_3`, `col_4`, `col_5`, `col_6`, `col_7`,
|
|
`col_8`, `col_9`, `col_10`, `col_11`, `col_12`, `col_13`, `col_14`,
|
|
`col_15`, `col_16`, `col_17`, `col_18`, `col_19`, `col_20`, `col_21`,
|
|
`col_22`, `col_23`)
|
|
VALUES
|
|
('20240628', '1', '2024-06-28', 'Friday', '28', 'End of Month', 202406,
|
|
'June', 20242, 'Q2', 2024, '2024', '2024-06-27', '2024-05-28',
|
|
'2024-03-28', '2023-06-28', '2024-06-27', '2024-06-27', '2024-06-27',
|
|
'1', '1', '1', '1');
|
|
INSERT INTO `table_e`
|
|
(`col_1`, `col_2`, `col_3`, `col_4`, `col_5`, `col_6`, `col_7`,
|
|
`col_8`, `col_9`, `col_10`, `col_11`, `col_12`, `col_13`, `col_14`,
|
|
`created_at`, `col_15`)
|
|
VALUES
|
|
('20230628', 'CFETS_MID', 'Mid', 'USD/CNY', 'USD', 'CNY',
|
|
7.0, 'Source A', 'Unit A', 'Region A', '2023-06-28 15:00:00', '20230627',
|
|
6.9, 'user_001', CURRENT_TIMESTAMP, 'Exchange rate on 2023-06-28');
|
|
desc WITH date_table AS (
|
|
SELECT
|
|
d.col_1 AS date,
|
|
(SELECT MAX(col_1)
|
|
FROM table_c a
|
|
WHERE col_1 <=
|
|
CONCAT(YEAR(DATE_SUB(d.col_1, INTERVAL 1 YEAR)),
|
|
'1231')
|
|
AND EXISTS (SELECT 1
|
|
FROM table_d d
|
|
WHERE a.col_1 = d.col_1
|
|
AND d.col_2 = 1)) AS date1,
|
|
(SELECT MAX(col_1)
|
|
FROM table_a a
|
|
WHERE col_1 <= CONCAT(YEAR(DATE_SUB(d.col_1, INTERVAL 1 YEAR)),
|
|
'1231')
|
|
AND EXISTS (SELECT 1
|
|
FROM table_d d
|
|
WHERE a.col_1 = d.col_1
|
|
AND d.col_2 = 1)) AS date2,
|
|
(SELECT MAX(col_1)
|
|
FROM table_c
|
|
WHERE col_1 <= d.col_1) AS date3,
|
|
(SELECT MAX(col_1)
|
|
FROM table_a
|
|
WHERE col_1 <= d.col_1) AS date4
|
|
FROM table_d d
|
|
WHERE d.col_1 = '20240628'
|
|
),
|
|
rm_am_champs_ex_risk_portfolio_seed_money_1 AS (
|
|
SELECT b.col_2
|
|
FROM table_a b
|
|
LEFT JOIN table_e rb
|
|
ON rb.col_1 = b.col_19
|
|
AND b.col_6 = rb.col_3
|
|
WHERE b.col_2 = (SELECT date4 FROM date_table)
|
|
),
|
|
rm_am_champs_ex_risk_portfolio_seed_money_2 AS (
|
|
SELECT b.col_2
|
|
FROM table_a b
|
|
LEFT JOIN table_e rb
|
|
ON rb.col_1 = b.col_19
|
|
AND b.col_6 = rb.col_3
|
|
),
|
|
product_base AS (
|
|
SELECT DISTINCT t.col_3, col_4, 'ML' AS is_do
|
|
FROM table_c t
|
|
),
|
|
product_detail AS (
|
|
SELECT t.col_4,
|
|
"3集合" AS nature_investment
|
|
FROM product_base t
|
|
LEFT JOIN date_table dt
|
|
ON 1 = 1
|
|
LEFT JOIN table_c a
|
|
ON t.col_4 = a.col_4
|
|
AND a.col_1 = dt.date3
|
|
)
|
|
SELECT col_4
|
|
FROM (
|
|
SELECT col_4
|
|
FROM product_detail
|
|
UNION ALL
|
|
SELECT col_4
|
|
FROM product_detail
|
|
) a;
|
|
id estRows task access object operator info
|
|
Union_212 199600.20 root
|
|
├─Projection_213 99800.10 root cte1.table_c.col_4->Column#418
|
|
│ └─CTEFullScan_214 99800.10 root CTE:product_detail data:CTE_4
|
|
└─Projection_215 99800.10 root cte1.table_c.col_4->Column#418
|
|
└─CTEFullScan_216 99800.10 root CTE:product_detail data:CTE_4
|
|
CTE_4 99800.10 root Non-Recursive CTE
|
|
└─Projection_174(Seed Part) 99800.10 root cte1.table_c.col_4, 3集合->Column#413
|
|
└─HashJoin_190 99800.10 root left outer join, equal:[eq(cte1.table_c.col_4, cte1.table_c.col_4) eq(Column#390, cte1.table_c.col_1)]
|
|
├─TableReader_206(Build) 9980.01 root data:Selection_205
|
|
│ └─Selection_205 9980.01 cop[tikv] not(isnull(cte1.table_c.col_1)), not(isnull(cte1.table_c.col_4))
|
|
│ └─TableFullScan_204 10000.00 cop[tikv] table:a keep order:false, stats:pseudo
|
|
└─HashJoin_192(Probe) 80000.00 root CARTESIAN left outer join
|
|
├─CTEFullScan_202(Build) 10.00 root CTE:date_table AS dt data:CTE_0
|
|
└─HashAgg_198(Probe) 8000.00 root group by:cte1.table_c.col_3, cte1.table_c.col_4, funcs:firstrow(cte1.table_c.col_4)->cte1.table_c.col_4
|
|
└─TableReader_199 8000.00 root data:HashAgg_194
|
|
└─HashAgg_194 8000.00 cop[tikv] group by:cte1.table_c.col_3, cte1.table_c.col_4,
|
|
└─TableFullScan_197 10000.00 cop[tikv] table:t keep order:false, stats:pseudo
|
|
CTE_0 10.00 root Non-Recursive CTE
|
|
└─Apply_97(Seed Part) 10.00 root CARTESIAN left outer join
|
|
├─Apply_99(Build) 10.00 root CARTESIAN left outer join
|
|
│ ├─Apply_101(Build) 10.00 root CARTESIAN left outer join
|
|
│ │ ├─Apply_103(Build) 10.00 root CARTESIAN left outer join
|
|
│ │ │ ├─TableReader_106(Build) 10.00 root data:Selection_105
|
|
│ │ │ │ └─Selection_105 10.00 cop[tikv] eq(cte1.table_d.col_1, 20240628)
|
|
│ │ │ │ └─TableFullScan_104 10000.00 cop[tikv] table:d keep order:false, stats:pseudo
|
|
│ │ │ └─StreamAgg_108(Probe) 10.00 root funcs:max(cte1.table_c.col_1)->Column#159
|
|
│ │ │ └─TopN_111 10.00 root cte1.table_c.col_1:desc, offset:0, count:1
|
|
│ │ │ └─HashJoin_116 63936.00 root semi join, equal:[eq(Column#423, Column#424)]
|
|
│ │ │ ├─Projection_121(Build) 80000.00 root cast(cte1.table_d.col_1, double BINARY)->Column#424
|
|
│ │ │ │ └─TableReader_124 80000.00 root data:Selection_123
|
|
│ │ │ │ └─Selection_123 80000.00 cop[tikv] eq(cast(cte1.table_d.col_2, double BINARY), 1)
|
|
│ │ │ │ └─TableFullScan_122 100000.00 cop[tikv] table:d keep order:false, stats:pseudo
|
|
│ │ │ └─Projection_117(Probe) 79920.00 root cte1.table_c.col_1, cast(cte1.table_c.col_1, double BINARY)->Column#423
|
|
│ │ │ └─Selection_118 79920.00 root le(cte1.table_c.col_1, concat(cast(year(cast(date_sub(cte1.table_d.col_1, 1, "YEAR"), datetime(6) BINARY)), var_string(20)), "1231"))
|
|
│ │ │ └─IndexReader_120 99900.00 root index:IndexFullScan_119
|
|
│ │ │ └─IndexFullScan_119 99900.00 cop[tikv] table:a, index:index_col_1_3(col_1, col_3) keep order:false, stats:pseudo
|
|
│ │ └─StreamAgg_126(Probe) 10.00 root funcs:max(cte1.table_a.col_1)->Column#208
|
|
│ │ └─TopN_129 10.00 root cte1.table_a.col_1:desc, offset:0, count:1
|
|
│ │ └─HashJoin_134 63936.00 root semi join, equal:[eq(Column#429, Column#430)]
|
|
│ │ ├─Projection_139(Build) 80000.00 root cast(cte1.table_d.col_1, double BINARY)->Column#430
|
|
│ │ │ └─TableReader_142 80000.00 root data:Selection_141
|
|
│ │ │ └─Selection_141 80000.00 cop[tikv] eq(cast(cte1.table_d.col_2, double BINARY), 1)
|
|
│ │ │ └─TableFullScan_140 100000.00 cop[tikv] table:d keep order:false, stats:pseudo
|
|
│ │ └─Projection_135(Probe) 79920.00 root cte1.table_a.col_1, cast(cte1.table_a.col_1, double BINARY)->Column#429
|
|
│ │ └─Selection_136 79920.00 root le(cte1.table_a.col_1, concat(cast(year(cast(date_sub(cte1.table_d.col_1, 1, "YEAR"), datetime(6) BINARY)), var_string(20)), "1231"))
|
|
│ │ └─IndexReader_138 99900.00 root index:IndexFullScan_137
|
|
│ │ └─IndexFullScan_137 99900.00 cop[tikv] table:a, index:index_col_1(col_1) keep order:false, stats:pseudo
|
|
│ └─StreamAgg_144(Probe) 10.00 root funcs:max(cte1.table_c.col_1)->Column#230
|
|
│ └─Limit_148 10.00 root offset:0, count:1
|
|
│ └─IndexReader_157 10.00 root index:Limit_156
|
|
│ └─Limit_156 10.00 cop[tikv] offset:0, count:1
|
|
│ └─Selection_155 10.00 cop[tikv] le(cast(cte1.table_c.col_1, double BINARY), cast(cte1.table_d.col_1, double BINARY))
|
|
│ └─IndexFullScan_154 12.50 cop[tikv] table:table_c, index:index_col_1_3(col_1, col_3) keep order:true, desc, stats:pseudo
|
|
└─StreamAgg_159(Probe) 10.00 root funcs:max(cte1.table_a.col_1)->Column#254
|
|
└─Limit_163 10.00 root offset:0, count:1
|
|
└─IndexReader_172 10.00 root index:Limit_171
|
|
└─Limit_171 10.00 cop[tikv] offset:0, count:1
|
|
└─Selection_170 10.00 cop[tikv] le(cast(cte1.table_a.col_1, double BINARY), cast(cte1.table_d.col_1, double BINARY))
|
|
└─IndexFullScan_169 12.50 cop[tikv] table:table_a, index:index_col_1(col_1) keep order:true, desc, stats:pseudo
|
|
WITH date_table AS (
|
|
SELECT
|
|
d.col_1 AS date,
|
|
(SELECT MAX(col_1)
|
|
FROM table_c a
|
|
WHERE col_1 <=
|
|
CONCAT(YEAR(DATE_SUB(d.col_1, INTERVAL 1 YEAR)),
|
|
'1231')
|
|
AND EXISTS (SELECT 1
|
|
FROM table_d d
|
|
WHERE a.col_1 = d.col_1
|
|
AND d.col_2 = 1)) AS date1,
|
|
(SELECT MAX(col_1)
|
|
FROM table_a a
|
|
WHERE col_1 <= CONCAT(YEAR(DATE_SUB(d.col_1, INTERVAL 1 YEAR)),
|
|
'1231')
|
|
AND EXISTS (SELECT 1
|
|
FROM table_d d
|
|
WHERE a.col_1 = d.col_1
|
|
AND d.col_2 = 1)) AS date2,
|
|
(SELECT MAX(col_1)
|
|
FROM table_c
|
|
WHERE col_1 <= d.col_1) AS date3,
|
|
(SELECT MAX(col_1)
|
|
FROM table_a
|
|
WHERE col_1 <= d.col_1) AS date4
|
|
FROM table_d d
|
|
WHERE d.col_1 = '20240628'
|
|
),
|
|
rm_am_champs_ex_risk_portfolio_seed_money_1 AS (
|
|
SELECT b.col_2
|
|
FROM table_a b
|
|
LEFT JOIN table_e rb
|
|
ON rb.col_1 = b.col_19
|
|
AND b.col_6 = rb.col_3
|
|
WHERE b.col_2 = (SELECT date4 FROM date_table)
|
|
),
|
|
rm_am_champs_ex_risk_portfolio_seed_money_2 AS (
|
|
SELECT b.col_2
|
|
FROM table_a b
|
|
LEFT JOIN table_e rb
|
|
ON rb.col_1 = b.col_19
|
|
AND b.col_6 = rb.col_3
|
|
),
|
|
product_base AS (
|
|
SELECT DISTINCT t.col_3, col_4, 'ML' AS is_do
|
|
FROM table_c t
|
|
),
|
|
product_detail AS (
|
|
SELECT t.col_4,
|
|
"3集合" AS nature_investment
|
|
FROM product_base t
|
|
LEFT JOIN date_table dt
|
|
ON 1 = 1
|
|
LEFT JOIN table_c a
|
|
ON t.col_4 = a.col_4
|
|
AND a.col_1 = dt.date3
|
|
)
|
|
SELECT col_4
|
|
FROM (
|
|
SELECT col_4
|
|
FROM product_detail
|
|
UNION ALL
|
|
SELECT col_4
|
|
FROM product_detail
|
|
) a;
|
|
col_4
|
|
Product A
|
|
Product A
|
|
drop table if exists t1, t2;
|
|
create table t1(a int, b int);
|
|
create table t2(a int, b int);
|
|
insert into t1 value(5,5);
|
|
insert into t2 value(1,1);
|
|
with recursive cte1 as (select 1 as a union all select cte1.a+1 from t1 join cte1 on t1.a > cte1.a) select * from cte1;
|
|
a
|
|
1
|
|
2
|
|
3
|
|
4
|
|
5
|
|
update t2 set b=2 where a in (with recursive cte1 as (select 1 as a union all select cte1.a+1 from t1 join cte1 on t1.a > cte1.a) select * from cte1);
|
|
select * from t2;
|
|
a b
|
|
1 2
|
|
delete from t2 where a in (with recursive cte1 as (select 1 as a union all select cte1.a+1 from t1 join cte1 on t1.a > cte1.a) select * from cte1);
|
|
select * from t2;
|
|
a b
|
|
drop table if exists table_abc1;
|
|
drop table if exists table_abc2;
|
|
drop table if exists table_abc3;
|
|
drop table if exists table_abc4;
|
|
CREATE TABLE `table_abc1` (
|
|
`column_abc1` varchar(10) DEFAULT NULL,
|
|
`column_abc2` varchar(10) DEFAULT NULL,
|
|
`column_abc3` varchar(10) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
|
|
CREATE TABLE `table_abc3` (
|
|
`column_abc5` varchar(10) DEFAULT NULL,
|
|
`column_abc6` varchar(10) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
|
|
CREATE TABLE `table_abc4` (
|
|
`column_abc3` varchar(10) DEFAULT NULL,
|
|
`column_abc7` varchar(10) DEFAULT NULL,
|
|
`column_abc5` varchar(10) DEFAULT NULL
|
|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
|
|
INSERT INTO `table_abc1` VALUES ('KTL157','KTL157','KTL157');
|
|
INSERT INTO `table_abc3` VALUES ('1000','20240819');
|
|
INSERT INTO `table_abc4` VALUES ('KTL157','test','1000');
|
|
DELETE FROM table_abc3 t_abc3
|
|
WHERE t_abc3.column_abc5 IN (
|
|
SELECT a.column_abc5
|
|
FROM (
|
|
WITH tree_cte1 AS (
|
|
WITH RECURSIVE tree_cte AS (
|
|
SELECT t.column_abc1, t.column_abc2, t.column_abc3, 0 AS lv
|
|
FROM table_abc1 t
|
|
WHERE t.column_abc1 IN ('KTL157', 'KTL159')
|
|
UNION ALL
|
|
SELECT t.column_abc1, t.column_abc2, t.column_abc3, tcte.lv + 1
|
|
FROM table_abc1 t
|
|
JOIN tree_cte tcte ON t.column_abc1 = tcte.column_abc2
|
|
WHERE tcte.lv <= 1
|
|
)
|
|
SELECT * FROM tree_cte
|
|
)
|
|
SELECT e.column_abc5
|
|
FROM (
|
|
SELECT DISTINCT * FROM tree_cte1
|
|
) aa
|
|
LEFT JOIN table_abc4 e ON e.column_abc3 = aa.column_abc3
|
|
) a
|
|
);
|