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planner: fix an unstable explain test case #40199

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Dec 27, 2022
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planner: fix an unstable explain test case #40199

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2 changes: 2 additions & 0 deletions cmd/explaintest/r/explain_complex.result
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Original file line number Diff line number Diff line change
Expand Up @@ -243,6 +243,7 @@ created_on datetime DEFAULT NULL,
updated_on datetime DEFAULT NULL,
UNIQUE KEY org_employee_position_pk (hotel_id,user_id,position_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
set tidb_cost_model_version=2;
explain format = 'brief' SELECT d.id, d.ctx, d.name, d.left_value, d.right_value, d.depth, d.leader_id, d.status, d.created_on, d.updated_on FROM org_department AS d LEFT JOIN org_position AS p ON p.department_id = d.id AND p.status = 1000 LEFT JOIN org_employee_position AS ep ON ep.position_id = p.id AND ep.status = 1000 WHERE (d.ctx = 1 AND (ep.user_id = 62 OR d.id = 20 OR d.id = 20) AND d.status = 1000) GROUP BY d.id ORDER BY d.left_value;
id estRows task access object operator info
Sort 1.00 root test.org_department.left_value
Expand All @@ -262,6 +263,7 @@ Sort 1.00 root test.org_department.left_value
└─TableReader(Probe) 9.99 root data:Selection
└─Selection 9.99 cop[tikv] eq(test.org_employee_position.status, 1000), not(isnull(test.org_employee_position.position_id))
└─TableFullScan 10000.00 cop[tikv] table:ep keep order:false, stats:pseudo
set tidb_cost_model_version=1;
create table test.Tab_A (id int primary key,bid int,cid int,name varchar(20),type varchar(20),num int,amt decimal(11,2));
create table test.Tab_B (id int primary key,name varchar(20));
create table test.Tab_C (id int primary key,name varchar(20),amt decimal(11,2));
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2 changes: 2 additions & 0 deletions cmd/explaintest/t/explain_complex.test
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Expand Up @@ -174,7 +174,9 @@ CREATE TABLE org_position (
UNIQUE KEY org_employee_position_pk (hotel_id,user_id,position_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

set tidb_cost_model_version=2;
explain format = 'brief' SELECT d.id, d.ctx, d.name, d.left_value, d.right_value, d.depth, d.leader_id, d.status, d.created_on, d.updated_on FROM org_department AS d LEFT JOIN org_position AS p ON p.department_id = d.id AND p.status = 1000 LEFT JOIN org_employee_position AS ep ON ep.position_id = p.id AND ep.status = 1000 WHERE (d.ctx = 1 AND (ep.user_id = 62 OR d.id = 20 OR d.id = 20) AND d.status = 1000) GROUP BY d.id ORDER BY d.left_value;
set tidb_cost_model_version=1;

create table test.Tab_A (id int primary key,bid int,cid int,name varchar(20),type varchar(20),num int,amt decimal(11,2));
create table test.Tab_B (id int primary key,name varchar(20));
Expand Down