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Merge 10.2 into bb-10.2-ext

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Marko Mäkelä
2018-01-11 18:00:31 +02:00
parent 773c3ceb57 bf7719111f
commit cca611d1c0
77 changed files with 1145 additions and 429 deletions
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106
mysql-test/r/cte_recursive.result
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@@ -2951,6 +2951,112 @@ limit 1
ERROR HY000: Unacceptable mutual recursion with anchored table 'cte_1'
drop table t1;
#
# mdev-14777: crash caused by the same as in mdev-14755
#
CREATE TABLE t1 (i1 int NOT NULL, i2 int);
CREATE TABLE t2 (d1 int NOT NULL PRIMARY KEY);
CREATE TABLE t3 (i int );
insert into t1 select seq,seq from seq_1_to_100000;
insert into t2 select seq from seq_1000_to_100000;
insert into t3 select seq from seq_1_to_1000;
SELECT *
FROM
(
SELECT *
FROM
(
WITH RECURSIVE rt AS
(
SELECT i2 P, i1 C FROM t1 WHERE i1 IN (SELECT d1 FROM t2)
UNION
SELECT t1.i2 P, rt.C C FROM t1, rt
)
SELECT C,P
FROM ( SELECT P,C FROM rt WHERE NOT EXISTS (SELECT 1 FROM t1) ) Y
) X
WHERE 1 = 1
) K, t3;
C P i
drop table t1,t2,t3;
#
# mdev-14879: subquery with recursive reference in WHERE of CTE
#
create table flights
(departure varchar(32),
arrival varchar(32),
carrier varchar(20),
flight_number char(7));
insert into flights values
('Seattle', 'Frankfurt', 'Lufthansa', 'LH 491'),
('Seattle', 'Chicago', 'American', 'AA 2573'),
('Seattle', 'Los Angeles', 'Alaska Air', 'AS 410'),
('Chicago', 'New York', 'American', 'AA 375'),
('Chicago', 'Montreal', 'Air Canada', 'AC 3053'),
('Los Angeles', 'New York', 'Delta', 'DL 1197'),
('Moscow', 'Tokyo', 'Aeroflot', 'SU 264'),
('New York', 'Paris', 'Air France', 'AF 23'),
('Frankfurt', 'Moscow', 'Lufthansa', 'LH 1444'),
('Tokyo', 'Seattle', 'ANA', 'NH 178'),
('Los Angeles', 'Tokyo', 'ANA', 'NH 175'),
('Moscow', 'Los Angeles', 'Aeroflot', 'SU 106'),
('Montreal', 'Paris', 'Air Canada', 'AC 870'),
('Cairo', 'Paris', 'Air France', 'AF 503'),
('New York', 'Seattle', 'American', 'AA 45'),
('Paris', 'Chicago', 'Air France', 'AF 6734');
with recursive destinations (city) as
( select a.arrival from flights a where a.departure='Cairo'
union
select b.arrival from destinations r, flights b where r.city=b.departure)
select * from destinations;
city
Paris
Chicago
New York
Montreal
Seattle
Frankfurt
Los Angeles
Moscow
Tokyo
set standard_compliant_cte=0;
with recursive destinations (city, legs) as
(
select a.arrival, 1 from flights a where a.departure='Cairo'
union
select b.arrival, r.legs + 1 from destinations r, flights b
where r.city=b.departure and b.arrival not in (select city from destinations)
)
select * from destinations;
city legs
Paris 1
Chicago 2
New York 3
Montreal 3
Seattle 4
Frankfurt 5
Los Angeles 5
Moscow 6
Tokyo 6
explain extended with recursive destinations (city, legs) as
(
select a.arrival, 1 from flights a where a.departure='Cairo'
union
select b.arrival, r.legs + 1 from destinations r, flights b
where r.city=b.departure and b.arrival not in (select city from destinations)
)
select * from destinations;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 16 100.00
2 DERIVED a ALL NULL NULL NULL NULL 16 100.00 Using where
3 RECURSIVE UNION b ALL NULL NULL NULL NULL 16 100.00 Using where
3 RECURSIVE UNION <derived2> ref key0 key0 35 test.b.departure 2 100.00
4 DEPENDENT SUBQUERY <derived2> ALL NULL NULL NULL NULL 16 100.00 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 with recursive destinations as (/* select#2 */ select `test`.`a`.`arrival` AS `city`,1 AS `legs` from `test`.`flights` `a` where `test`.`a`.`departure` = 'Cairo' union /* select#3 */ select `test`.`b`.`arrival` AS `arrival`,`r`.`legs` + 1 AS `r.legs + 1` from `destinations` `r` join `test`.`flights` `b` where `r`.`city` = `test`.`b`.`departure` and !<in_optimizer>(`test`.`b`.`arrival`,<exists>(/* select#4 */ select `destinations`.`city` from `destinations` where trigcond(`test`.`b`.`arrival` = `destinations`.`city` or `destinations`.`city` is null) having trigcond(`destinations`.`city` is null))))/* select#1 */ select `destinations`.`city` AS `city`,`destinations`.`legs` AS `legs` from `destinations`
set standard_compliant_cte=default;
drop table flights;
#
# MDEV-14217 [db crash] Recursive CTE when SELECT includes new field
#
CREATE TEMPORARY TABLE a_tbl (