mirror of
https://github.com/MariaDB/server.git
synced 2025-08-08 11:22:35 +03:00
Merge 10.11 into 11.0
This commit is contained in:
Marko Mäkelä
@@ -2337,4 +2337,278 @@ set sql_mode="oracle";
|
||||
with data as (select 1 as id)
|
||||
select id into @myid from data;
|
||||
set sql_mode= @save_sql_mode;
|
||||
#
|
||||
# MDEV-31995 Bogus error executing PS for query using CTE with renaming of columns
|
||||
#
|
||||
create table t1 (a int, b int);
|
||||
insert into t1 values (1,1),(1,2),(1,3),(2,1),(2,2);
|
||||
create table t2 (a int, b int);
|
||||
insert into t2 values (3,1),(3,2),(3,3),(4,1),(4,2);
|
||||
with cte (c1,c2) as
|
||||
(select a as col1, sum(b) as col2 from t1 group by col1)
|
||||
select * from cte;
|
||||
c1 c2
|
||||
1 6
|
||||
2 3
|
||||
prepare st from "with cte (c1,c2) as
|
||||
(select a as col1, sum(b) as col2 from t1 group by col1)
|
||||
select * from cte";
|
||||
execute st;
|
||||
c1 c2
|
||||
1 6
|
||||
2 3
|
||||
execute st;
|
||||
c1 c2
|
||||
1 6
|
||||
2 3
|
||||
drop prepare st;
|
||||
create procedure sp() with cte (c1,c2) as
|
||||
(select a as col1, sum(b) as col2 from t1 group by col1)
|
||||
select * from cte;
|
||||
call sp();
|
||||
c1 c2
|
||||
1 6
|
||||
2 3
|
||||
call sp();
|
||||
c1 c2
|
||||
1 6
|
||||
2 3
|
||||
drop procedure sp;
|
||||
with cte (c1,c2) as
|
||||
(select a as col1, sum(b) as col2 from t1 order by col1)
|
||||
select * from cte;
|
||||
c1 c2
|
||||
1 9
|
||||
prepare st from "with cte (c1,c2) as
|
||||
(select a as col1, sum(b) as col2 from t1 order by col1)
|
||||
select * from cte";
|
||||
execute st;
|
||||
c1 c2
|
||||
1 9
|
||||
execute st;
|
||||
c1 c2
|
||||
1 9
|
||||
drop prepare st;
|
||||
create procedure sp() with cte (c1,c2) as
|
||||
(select a as col1, sum(b) as col2 from t1 order by col1)
|
||||
select * from cte;
|
||||
call sp();
|
||||
c1 c2
|
||||
1 9
|
||||
call sp();
|
||||
c1 c2
|
||||
1 9
|
||||
drop procedure sp;
|
||||
with cte (c1,c2) as
|
||||
(select a as col1, sum(b) as col2 from t1 where a > 1 group by col1
|
||||
union select a as col3, sum(b) as col4 from t2 where b > 2 group by col3),
|
||||
cte2 (c3, c4) as
|
||||
(select a as col5, sum(b) as col6 from t1 where a <= 1 group by col5
|
||||
union select a as col7, sum(b) as col8 from t2 where b <= 2 group by col7)
|
||||
select * from cte where c1=1 union select * from cte2 where c3=3;
|
||||
c1 c2
|
||||
3 3
|
||||
prepare st from "with cte (c1,c2) as
|
||||
(select a as col1, sum(b) as col2 from t1 where a > 1 group by col1
|
||||
union select a as col3, sum(b) as col4 from t2 where b > 2 group by col3),
|
||||
cte2 (c3, c4) as
|
||||
(select a as col5, sum(b) as col6 from t1 where a <= 1 group by col5
|
||||
union select a as col7, sum(b) as col8 from t2 where b <= 2 group by col7)
|
||||
select * from cte where c1=1 union select * from cte2 where c3=3";
|
||||
execute st;
|
||||
c1 c2
|
||||
3 3
|
||||
execute st;
|
||||
c1 c2
|
||||
3 3
|
||||
drop prepare st;
|
||||
create procedure sp() with cte (c1,c2) as
|
||||
(select a as col1, sum(b) as col2 from t1 where a > 1 group by col1
|
||||
union select a as col3, sum(b) as col4 from t2 where b > 2 group by col3),
|
||||
cte2 (c3, c4) as
|
||||
(select a as col5, sum(b) as col6 from t1 where a <= 1 group by col5
|
||||
union select a as col7, sum(b) as col8 from t2 where b <= 2 group by col7)
|
||||
select * from cte where c1=1 union select * from cte2 where c3=3;
|
||||
call sp();
|
||||
c1 c2
|
||||
3 3
|
||||
call sp();
|
||||
c1 c2
|
||||
3 3
|
||||
drop procedure sp;
|
||||
with cte (c1,c2) as (select * from t1)
|
||||
select cte.c1+1 as col1 , cte.c2 as col2 from cte where cte.c1 > 1
|
||||
union
|
||||
select cte.c1 as col3, cte.c2+1 as col4 from cte where cte.c1 < 0;
|
||||
col1 col2
|
||||
3 1
|
||||
3 2
|
||||
prepare st from "with cte (c1,c2) as (select * from t1)
|
||||
select cte.c1+1 as col1 , cte.c2 as col2 from cte where cte.c1 > 1
|
||||
union
|
||||
select cte.c1 as col3, cte.c2+1 as col4 from cte where cte.c1 < 0";
|
||||
execute st;
|
||||
col1 col2
|
||||
3 1
|
||||
3 2
|
||||
execute st;
|
||||
col1 col2
|
||||
3 1
|
||||
3 2
|
||||
save this to the end to test errors >drop prepare st;
|
||||
create procedure sp() with cte (c1,c2) as (select * from t1)
|
||||
select cte.c1+1 as col1 , cte.c2 as col2 from cte where cte.c1 > 1
|
||||
union
|
||||
select cte.c1 as col3, cte.c2+1 as col4 from cte where cte.c1 < 0;
|
||||
call sp();
|
||||
col1 col2
|
||||
3 1
|
||||
3 2
|
||||
call sp();
|
||||
col1 col2
|
||||
3 1
|
||||
3 2
|
||||
drop procedure sp;
|
||||
insert into t1 select * from t2;
|
||||
with cte (c1, c2)
|
||||
as (select a, sum(b) from t1 where b > 1 group by a having sum(b) < 5)
|
||||
select * from cte where c1 < 4 and c2 > 1;
|
||||
c1 c2
|
||||
2 2
|
||||
# Check pushdown conditions in JSON output
|
||||
explain format=json with cte (c1, c2)
|
||||
as (select a, sum(b) from t1 where b > 1 group by a having sum(b) < 5)
|
||||
select * from cte where c1 < 4 and c2 > 1;
|
||||
EXPLAIN
|
||||
{
|
||||
"query_block": {
|
||||
"select_id": 1,
|
||||
"cost": "REPLACED",
|
||||
"nested_loop": [
|
||||
{
|
||||
"table": {
|
||||
"table_name": "<derived2>",
|
||||
"access_type": "ALL",
|
||||
"loops": 1,
|
||||
"rows": 10,
|
||||
"cost": "REPLACED",
|
||||
"filtered": 100,
|
||||
"attached_condition": "cte.c1 < 4 and cte.c2 > 1",
|
||||
"materialized": {
|
||||
"query_block": {
|
||||
"select_id": 2,
|
||||
"cost": "REPLACED",
|
||||
"having_condition": "sum(t1.b) < 5 and c2 > 1",
|
||||
"filesort": {
|
||||
"sort_key": "t1.a",
|
||||
"temporary_table": {
|
||||
"nested_loop": [
|
||||
{
|
||||
"table": {
|
||||
"table_name": "t1",
|
||||
"access_type": "ALL",
|
||||
"loops": 1,
|
||||
"rows": 10,
|
||||
"cost": "REPLACED",
|
||||
"filtered": 100,
|
||||
"attached_condition": "t1.b > 1 and t1.a < 4"
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
alter table t1 add column c int;
|
||||
execute st;
|
||||
ERROR HY000: WITH column list and SELECT field list have different column counts
|
||||
drop prepare st;
|
||||
drop table t1,t2;
|
||||
Test out recursive CTEs
|
||||
create table distances (src char(1), dest char(1), distance int);
|
||||
create table city_population (city char(1), population int);
|
||||
INSERT INTO `distances` VALUES ('A','A',0),('B','A',593),('C','A',800),
|
||||
('D','A',221),('E','A',707),('F','A',869),('G','A',225),('H','A',519),
|
||||
('A','B',919),('B','B',0),('C','B',440),('D','B',79),('E','B',79),
|
||||
('F','B',154),('G','B',537),('H','B',220),('A','C',491),('B','C',794),
|
||||
('C','C',0),('D','C',100),('E','C',350),('F','C',748),('G','C',712),
|
||||
('H','C',315),('A','D',440),('B','D',256),('C','D',958),('D','D',0),
|
||||
('E','D',255),('F','D',161),('G','D',63),('H','D',831),('A','E',968),
|
||||
('B','E',345),('C','E',823),('D','E',81),('E','E',0),('F','E',436),
|
||||
('G','E',373),('H','E',558),('A','F',670),('B','F',677),('C','F',375),
|
||||
('D','F',843),('E','F',90),('F','F',0),('G','F',328),('H','F',881),
|
||||
('A','G',422),('B','G',467),('C','G',67),('D','G',936),('E','G',480),
|
||||
('F','G',592),('G','G',0),('H','G',819),('A','H',537),('B','H',229),
|
||||
('C','H',534),('D','H',984),('E','H',319),('F','H',643),('G','H',257),
|
||||
('H','H',0);
|
||||
insert into city_population values ('A', 5000), ('B', 6000), ('C', 100000),
|
||||
('D', 80000), ('E', 7000), ('F', 1000), ('G', 100), ('H', -80000);
|
||||
#find the biggest city within 300 kellikams of 'E'
|
||||
with recursive travel (src, path, dest, distance, population) as (
|
||||
select city, cast('' as varchar(10)), city,
|
||||
0, population
|
||||
from city_population where city='E'
|
||||
union all
|
||||
select src.src, concat(src.path, dst.dest), dst.dest,
|
||||
src.distance + dst.distance, dstc.population
|
||||
from travel src
|
||||
join distances dst on src.dest != dst.dest
|
||||
join city_population dstc on dst.dest = dstc.city
|
||||
where dst.src = src.dest and src.distance + dst.distance < 300
|
||||
and length(path) < 10
|
||||
)
|
||||
select * from travel where dest != 'E' order by population desc, distance
|
||||
limit 1;
|
||||
src path dest distance population
|
||||
E FD D 251 80000
|
||||
prepare st from "with recursive travel (src, path, dest, distance, population) as (
|
||||
select city, cast('' as varchar(10)), city,
|
||||
0, population
|
||||
from city_population where city='E'
|
||||
union all
|
||||
select src.src, concat(src.path, dst.dest), dst.dest,
|
||||
src.distance + dst.distance, dstc.population
|
||||
from travel src
|
||||
join distances dst on src.dest != dst.dest
|
||||
join city_population dstc on dst.dest = dstc.city
|
||||
where dst.src = src.dest and src.distance + dst.distance < 300
|
||||
and length(path) < 10
|
||||
)
|
||||
select * from travel where dest != 'E' order by population desc, distance
|
||||
limit 1";
|
||||
execute st;
|
||||
src path dest distance population
|
||||
E FD D 251 80000
|
||||
execute st;
|
||||
src path dest distance population
|
||||
E FD D 251 80000
|
||||
drop prepare st;
|
||||
create procedure sp() with recursive travel (src, path, dest, distance, population) as (
|
||||
select city, cast('' as varchar(10)), city,
|
||||
0, population
|
||||
from city_population where city='E'
|
||||
union all
|
||||
select src.src, concat(src.path, dst.dest), dst.dest,
|
||||
src.distance + dst.distance, dstc.population
|
||||
from travel src
|
||||
join distances dst on src.dest != dst.dest
|
||||
join city_population dstc on dst.dest = dstc.city
|
||||
where dst.src = src.dest and src.distance + dst.distance < 300
|
||||
and length(path) < 10
|
||||
)
|
||||
select * from travel where dest != 'E' order by population desc, distance
|
||||
limit 1;
|
||||
call sp();
|
||||
src path dest distance population
|
||||
E FD D 251 80000
|
||||
call sp();
|
||||
src path dest distance population
|
||||
E FD D 251 80000
|
||||
drop procedure sp;
|
||||
drop table distances, city_population;
|
||||
# End of 10.4 tests
|
||||
|
||||
Reference in New Issue
Block a user