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Commit 2a54cef9 authored by Sergey Petrunya's avatar Sergey Petrunya
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Merge MariaDB 5.2 -> MariaDB 5.3 

- post-merge fixes
parent 4a024258
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Showing with 204 additions and 178 deletions
mysql-test/r/join_nested.result
View file @ 2a54cef9
...@@ -851,7 +851,7 @@ ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b; ...@@ -851,7 +851,7 @@ ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 Using join buffer 1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
1 SIMPLE t2 ref idx_b idx_b 5 test.t3.b 2 100.00 1 SIMPLE t2 ref idx_b idx_b 5 test.t3.b 2 100.00 Using where
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t3`.`a` = 1) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`b`)))) where 1 Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t3`.`a` = 1) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`b`)))) where 1
...@@ -1479,7 +1479,7 @@ on (t1.a = t2.a); ...@@ -1479,7 +1479,7 @@ on (t1.a = t2.a);
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 10 1 SIMPLE t1 ALL NULL NULL NULL NULL 10
1 SIMPLE t2 ref a a 5 test.t1.a 1 1 SIMPLE t2 ref a a 5 test.t1.a 1
1 SIMPLE t3 ref a a 5 test.t1.a 1 1 SIMPLE t3 ref a a 5 test.t1.a 1 Using where
drop table t1, t2, t3; drop table t1, t2, t3;
CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, type varchar(10)); CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, type varchar(10));
CREATE TABLE t2 (pid int NOT NULL PRIMARY KEY, type varchar(10)); CREATE TABLE t2 (pid int NOT NULL PRIMARY KEY, type varchar(10));
......
mysql-test/r/join_outer.result
View file @ 2a54cef9
...@@ -1328,13 +1328,13 @@ RIGHT OUTER JOIN t1 tt1 ON 1 ...@@ -1328,13 +1328,13 @@ RIGHT OUTER JOIN t1 tt1 ON 1
STRAIGHT_JOIN t1 tt9 ON 1; STRAIGHT_JOIN t1 tt9 ON 1;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE tt1 ALL NULL NULL NULL NULL 2 1 SIMPLE tt1 ALL NULL NULL NULL NULL 2
1 SIMPLE tt2 ALL NULL NULL NULL NULL 2 1 SIMPLE tt2 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE tt3 ALL NULL NULL NULL NULL 2 1 SIMPLE tt3 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE tt4 ALL NULL NULL NULL NULL 2 1 SIMPLE tt4 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE tt5 ALL NULL NULL NULL NULL 2 1 SIMPLE tt5 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE tt6 ALL NULL NULL NULL NULL 2 1 SIMPLE tt6 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE tt7 ALL NULL NULL NULL NULL 2 1 SIMPLE tt7 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE tt8 ALL NULL NULL NULL NULL 2 1 SIMPLE tt8 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE tt9 ALL NULL NULL NULL NULL 2 Using join buffer 1 SIMPLE tt9 ALL NULL NULL NULL NULL 2 Using join buffer
SET optimizer_search_depth = DEFAULT; SET optimizer_search_depth = DEFAULT;
DROP TABLE t1; DROP TABLE t1;
...@@ -1355,7 +1355,7 @@ RIGHT JOIN t2 TA2 JOIN t2 TA3 ON TA2.f1 ON TA3.f1; ...@@ -1355,7 +1355,7 @@ RIGHT JOIN t2 TA2 JOIN t2 TA3 ON TA2.f1 ON TA3.f1;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE TA2 ALL NULL NULL NULL NULL 20 Using where 1 SIMPLE TA2 ALL NULL NULL NULL NULL 20 Using where
1 SIMPLE TA3 ALL NULL NULL NULL NULL 20 Using join buffer 1 SIMPLE TA3 ALL NULL NULL NULL NULL 20 Using join buffer
1 SIMPLE TA1 ALL NULL NULL NULL NULL 2 1 SIMPLE TA1 ALL NULL NULL NULL NULL 2 Using where
DROP TABLE t1, t2; DROP TABLE t1, t2;
# #
# Bug#48971 Segfault in add_found_match_trig_cond () at sql_select.cc:5990 # Bug#48971 Segfault in add_found_match_trig_cond () at sql_select.cc:5990
...@@ -1372,11 +1372,11 @@ RIGHT JOIN t1 AS jt6 ON jt6.f1 ...@@ -1372,11 +1372,11 @@ RIGHT JOIN t1 AS jt6 ON jt6.f1
ON 1; ON 1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE jt1 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt1 index NULL PRIMARY 4 NULL 2 100.00 Using index
1 SIMPLE jt6 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt6 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
1 SIMPLE jt3 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt3 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
1 SIMPLE jt4 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt4 index NULL PRIMARY 4 NULL 2 100.00 Using index
1 SIMPLE jt5 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt5 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
Warnings: Warnings:
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt1` left join (`test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on((`test`.`jt6`.`f1` and 1))) on(1) where 1 Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt1` left join (`test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on((`test`.`jt6`.`f1` and 1))) on(1) where 1
EXPLAIN EXTENDED SELECT STRAIGHT_JOIN jt1.f1 FROM t1 AS jt1 EXPLAIN EXTENDED SELECT STRAIGHT_JOIN jt1.f1 FROM t1 AS jt1
...@@ -1389,11 +1389,11 @@ RIGHT JOIN t1 AS jt6 ON jt6.f1 ...@@ -1389,11 +1389,11 @@ RIGHT JOIN t1 AS jt6 ON jt6.f1
ON 1; ON 1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE jt6 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt6 index NULL PRIMARY 4 NULL 2 100.00 Using index
1 SIMPLE jt3 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt3 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
1 SIMPLE jt4 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt4 index NULL PRIMARY 4 NULL 2 100.00 Using index
1 SIMPLE jt5 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt5 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
1 SIMPLE jt1 index NULL PRIMARY 4 NULL 2 100.00 Using index 1 SIMPLE jt1 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
Warnings: Warnings:
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on((`test`.`jt6`.`f1` and 1)) left join `test`.`t1` `jt1` on(1) where 1 Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on((`test`.`jt6`.`f1` and 1)) left join `test`.`t1` `jt1` on(1) where 1
DROP TABLE t1; DROP TABLE t1;
...@@ -1438,7 +1438,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1438,7 +1438,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t3.pk 1 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t3.pk 1 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.pk' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.pk' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`pk` AS `pk`,(select (`test`.`t3`.`pk` + if(isnull(`test`.`t4`.`pk`),0,`test`.`t4`.`pk`)) from `test`.`t3` left join `test`.`t4` on((`test`.`t4`.`pk` = `test`.`t3`.`pk`)) where (`test`.`t3`.`pk` = (`test`.`t2`.`pk` + 1000)) limit 1) AS `t` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`pk` = (`test`.`t1`.`pk` + 1000)) and (`test`.`t1`.`pk` > 1000)) group by `test`.`t2`.`pk` Note 1003 select `test`.`t2`.`pk` AS `pk`,<expr_cache><`test`.`t2`.`pk`>((select (`test`.`t3`.`pk` + if(isnull(`test`.`t4`.`pk`),0,`test`.`t4`.`pk`)) from `test`.`t3` left join `test`.`t4` on((`test`.`t4`.`pk` = `test`.`t3`.`pk`)) where (`test`.`t3`.`pk` = (`test`.`t2`.`pk` + 1000)) limit 1)) AS `t` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`pk` = (`test`.`t1`.`pk` + 1000)) and (`test`.`t1`.`pk` > 1000)) group by `test`.`t2`.`pk`
select t2.pk, select t2.pk,
(select t3.pk+if(isnull(t4.pk),0,t4.pk) (select t3.pk+if(isnull(t4.pk),0,t4.pk)
from t3 left join t4 on t4.pk=t3.pk from t3 left join t4 on t4.pk=t3.pk
...@@ -1449,63 +1449,4 @@ group by t2.pk; ...@@ -1449,63 +1449,4 @@ group by t2.pk;
pk t pk t
2001 3001 2001 3001
drop table t1,t2,t3,t4; drop table t1,t2,t3,t4;
#
# Bug#57024: Poor performance when conjunctive condition over the outer
# table is used in the on condition of an outer join
#
create table t1 (a int);
insert into t1 values (NULL), (NULL), (NULL), (NULL);
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 values (4), (2), (1), (3);
create table t2 like t1;
insert into t2 select if(t1.a is null, 10, t1.a) from t1;
create table t3 (a int, b int, index idx(a));
insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101);
analyze table t1,t2,t3;
Table Op Msg_type Msg_text
test.t1 analyze status OK
test.t2 analyze status OK
test.t3 analyze status OK
flush status;
select sum(t3.b) from t1 left join t3 on t3.a=t1.a and t1.a is not null;
sum(t3.b)
1006
show status like "handler_read%";
Variable_name Value
Handler_read_first 0
Handler_read_key 4
Handler_read_next 5
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 1048581
flush status;
select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
sum(t3.b)
1006
show status like "handler_read%";
Variable_name Value
Handler_read_first 0
Handler_read_key 4
Handler_read_next 5
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 1048581
drop table t1,t2,t3;
End of 5.1 tests End of 5.1 tests
mysql-test/r/join_outer_jcl6.result
View file @ 2a54cef9
...@@ -1312,6 +1312,147 @@ WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2)); ...@@ -1312,6 +1312,147 @@ WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2));
f1 f2 f3 f1 f2 f1 f2 f3 f1 f2
1 NULL 3 NULL NULL 1 NULL 3 NULL NULL
DROP TABLE t1, t2; DROP TABLE t1, t2;
#
# Bug#52357: Assertion failed: join->best_read in greedy_search
# optimizer_search_depth=0
#
CREATE TABLE t1( a INT );
INSERT INTO t1 VALUES (1),(2);
SET optimizer_search_depth = 0;
# Should not core dump on query preparation
EXPLAIN
SELECT 1
FROM t1 tt3 LEFT OUTER JOIN t1 tt4 ON 1
LEFT OUTER JOIN t1 tt5 ON 1
LEFT OUTER JOIN t1 tt6 ON 1
LEFT OUTER JOIN t1 tt7 ON 1
LEFT OUTER JOIN t1 tt8 ON 1
RIGHT OUTER JOIN t1 tt2 ON 1
RIGHT OUTER JOIN t1 tt1 ON 1
STRAIGHT_JOIN t1 tt9 ON 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE tt1 ALL NULL NULL NULL NULL 2
1 SIMPLE tt2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer
1 SIMPLE tt3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer
1 SIMPLE tt4 ALL NULL NULL NULL NULL 2 Using where; Using join buffer
1 SIMPLE tt5 ALL NULL NULL NULL NULL 2 Using where; Using join buffer
1 SIMPLE tt6 ALL NULL NULL NULL NULL 2 Using where; Using join buffer
1 SIMPLE tt7 ALL NULL NULL NULL NULL 2 Using where; Using join buffer
1 SIMPLE tt8 ALL NULL NULL NULL NULL 2 Using where; Using join buffer
1 SIMPLE tt9 ALL NULL NULL NULL NULL 2 Using join buffer
SET optimizer_search_depth = DEFAULT;
DROP TABLE t1;
#
# Bug#46091 STRAIGHT_JOIN + RIGHT JOIN returns different result
#
CREATE TABLE t1 (f1 INT NOT NULL);
INSERT INTO t1 VALUES (9),(0);
CREATE TABLE t2 (f1 INT NOT NULL);
INSERT INTO t2 VALUES
(5),(3),(0),(3),(1),(0),(1),(7),(1),(0),(0),(8),(4),(9),(0),(2),(0),(8),(5),(1);
SELECT STRAIGHT_JOIN COUNT(*) FROM t1 TA1
RIGHT JOIN t2 TA2 JOIN t2 TA3 ON TA2.f1 ON TA3.f1;
COUNT(*)
476
EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t1 TA1
RIGHT JOIN t2 TA2 JOIN t2 TA3 ON TA2.f1 ON TA3.f1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE TA2 ALL NULL NULL NULL NULL 20 Using where
1 SIMPLE TA3 ALL NULL NULL NULL NULL 20 Using join buffer
1 SIMPLE TA1 ALL NULL NULL NULL NULL 2 Using where; Using join buffer
DROP TABLE t1, t2;
#
# Bug#48971 Segfault in add_found_match_trig_cond () at sql_select.cc:5990
#
CREATE TABLE t1(f1 INT, PRIMARY KEY (f1));
INSERT INTO t1 VALUES (1),(2);
EXPLAIN EXTENDED SELECT STRAIGHT_JOIN jt1.f1 FROM t1 AS jt1
LEFT JOIN t1 AS jt2
RIGHT JOIN t1 AS jt3
JOIN t1 AS jt4 ON 1
LEFT JOIN t1 AS jt5 ON 1
ON 1
RIGHT JOIN t1 AS jt6 ON jt6.f1
ON 1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE jt1 index NULL PRIMARY 4 NULL 2 100.00 Using index
1 SIMPLE jt6 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer
1 SIMPLE jt3 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer
1 SIMPLE jt4 index NULL PRIMARY 4 NULL 2 100.00 Using index; Using join buffer
1 SIMPLE jt5 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer
1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer
Warnings:
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt1` left join (`test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on((`test`.`jt6`.`f1` and 1))) on(1) where 1
EXPLAIN EXTENDED SELECT STRAIGHT_JOIN jt1.f1 FROM t1 AS jt1
RIGHT JOIN t1 AS jt2
RIGHT JOIN t1 AS jt3
JOIN t1 AS jt4 ON 1
LEFT JOIN t1 AS jt5 ON 1
ON 1
RIGHT JOIN t1 AS jt6 ON jt6.f1
ON 1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE jt6 index NULL PRIMARY 4 NULL 2 100.00 Using index
1 SIMPLE jt3 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer
1 SIMPLE jt4 index NULL PRIMARY 4 NULL 2 100.00 Using index; Using join buffer
1 SIMPLE jt5 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer
1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer
1 SIMPLE jt1 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer
Warnings:
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on((`test`.`jt6`.`f1` and 1)) left join `test`.`t1` `jt1` on(1) where 1
DROP TABLE t1;
#
# Bug#49600: outer join of two single-row tables with joining attributes
# evaluated to nulls
create table t1 (a int, b int);
create table t2 (a int, b int);
insert into t1 values (1, NULL);
insert into t2 values (2, NULL);
select * from t1 left join t2 on t1.b=t2.b;
a b a b
1 NULL NULL NULL
select * from t1 left join t2 on t1.b=t2.b where 1=1;
a b a b
1 NULL NULL NULL
drop table t1,t2;
#
# Bug#53161: outer join in the derived table is erroneously converted
# into an inner join for a query with a group by clause
#
create table t1 (pk int not null primary key, a int not null);
create table t2 like t1;
create table t3 like t1;
create table t4 (pk int not null primary key);
insert into t1 values (1000, 1), (1001, 1);
insert into t2 values (2000, 2), (2001, 2);
insert into t3 values (3000, 3), (3001, 2);
insert into t4 values (4000), (4001);
explain extended
select t2.pk,
(select t3.pk+if(isnull(t4.pk),0,t4.pk)
from t3 left join t4 on t4.pk=t3.pk
where t3.pk=t2.pk+1000 limit 1 ) as t
from t1,t2
where t2.pk=t1.pk+1000 and t1.pk>1000
group by t2.pk;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 2 100.00 Using where; Using index; Using temporary; Using filesort
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 func 1 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 func 1 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t3.pk 1 100.00 Using where; Using index
Warnings:
Note 1276 Field or reference 'test.t2.pk' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`pk` AS `pk`,<expr_cache><`test`.`t2`.`pk`>((select (`test`.`t3`.`pk` + if(isnull(`test`.`t4`.`pk`),0,`test`.`t4`.`pk`)) from `test`.`t3` left join `test`.`t4` on((`test`.`t4`.`pk` = `test`.`t3`.`pk`)) where (`test`.`t3`.`pk` = (`test`.`t2`.`pk` + 1000)) limit 1)) AS `t` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`pk` = (`test`.`t1`.`pk` + 1000)) and (`test`.`t1`.`pk` > 1000)) group by `test`.`t2`.`pk`
select t2.pk,
(select t3.pk+if(isnull(t4.pk),0,t4.pk)
from t3 left join t4 on t4.pk=t3.pk
where t3.pk=t2.pk+1000 limit 1 ) as t
from t1,t2
where t2.pk=t1.pk+1000 and t1.pk>1000
group by t2.pk;
pk t
2001 3001
drop table t1,t2,t3,t4;
End of 5.1 tests End of 5.1 tests
set join_cache_level=default; set join_cache_level=default;
show variables like 'join_cache_level'; show variables like 'join_cache_level';
......
mysql-test/r/select.result
View file @ 2a54cef9
...@@ -4396,7 +4396,7 @@ INSERT INTO t1 VALUES ...@@ -4396,7 +4396,7 @@ INSERT INTO t1 VALUES
EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL a NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL a NULL NULL NULL 2 Range checked for each record (index map: 0x1)
SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
1 1
1 1
...@@ -4406,7 +4406,7 @@ SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; ...@@ -4406,7 +4406,7 @@ SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a); EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a);
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL a NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL a NULL NULL NULL 2 Range checked for each record (index map: 0x1)
SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a); SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a);
1 1
1 1
......
mysql-test/r/select_jcl6.result
View file @ 2a54cef9
...@@ -4400,7 +4400,7 @@ INSERT INTO t1 VALUES ...@@ -4400,7 +4400,7 @@ INSERT INTO t1 VALUES
EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL a NULL NULL NULL 2 Using where; Using join buffer 1 SIMPLE t2 ALL a NULL NULL NULL 2 Range checked for each record (index map: 0x1)
SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
1 1
1 1
...@@ -4410,7 +4410,7 @@ SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; ...@@ -4410,7 +4410,7 @@ SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a); EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a);
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL a NULL NULL NULL 2 Using where; Using join buffer 1 SIMPLE t2 ALL a NULL NULL NULL 2 Range checked for each record (index map: 0x1)
SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a); SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a);
1 1
1 1
...@@ -4785,6 +4785,21 @@ a b c ...@@ -4785,6 +4785,21 @@ a b c
SELECT * FROM t1 WHERE 102 < c; SELECT * FROM t1 WHERE 102 < c;
a b c a b c
DROP TABLE t1; DROP TABLE t1;
#
# Bug #54459: Assertion failed: param.sort_length,
# file .\filesort.cc, line 149 (part II)
#
CREATE TABLE t1(a ENUM('') NOT NULL);
INSERT INTO t1 VALUES (), (), ();
EXPLAIN SELECT 1 FROM t1 ORDER BY a COLLATE latin1_german2_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
SELECT 1 FROM t1 ORDER BY a COLLATE latin1_german2_ci;
1
1
1
1
DROP TABLE t1;
End of 5.1 tests End of 5.1 tests
set join_cache_level=default; set join_cache_level=default;
show variables like 'join_cache_level'; show variables like 'join_cache_level';
......
mysql-test/r/select_pkeycache.result
View file @ 2a54cef9
...@@ -4396,7 +4396,7 @@ INSERT INTO t1 VALUES ...@@ -4396,7 +4396,7 @@ INSERT INTO t1 VALUES
EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL a NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL a NULL NULL NULL 2 Range checked for each record (index map: 0x1)
SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
1 1
1 1
...@@ -4406,7 +4406,7 @@ SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2; ...@@ -4406,7 +4406,7 @@ SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a); EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a);
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL a NULL NULL NULL 2 Using where 1 SIMPLE t2 ALL a NULL NULL NULL 2 Range checked for each record (index map: 0x1)
SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a); SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a);
1 1
1 1
......
mysql-test/suite/innodb/r/innodb.result
View file @ 2a54cef9
...@@ -1219,7 +1219,7 @@ count(*) ...@@ -1219,7 +1219,7 @@ count(*)
623 623
explain select * from t1 where c between 1 and 2500; explain select * from t1 where c between 1 and 2500;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c c 5 NULL # Using where 1 SIMPLE t1 range c c 5 NULL # Using index condition; Using MRR
update t1 set c=a; update t1 set c=a;
explain select * from t1 where c between 1 and 2500; explain select * from t1 where c between 1 and 2500;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
...@@ -1914,7 +1914,7 @@ qq ...@@ -1914,7 +1914,7 @@ qq
*a *a*a * *a *a*a *
explain select * from t1 where v='a'; explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v,v_2 # 13 const # Using where 1 SIMPLE t1 ref v,v_2 # 13 const # Using index condition
select v,count(*) from t1 group by v limit 10; select v,count(*) from t1 group by v limit 10;
v count(*) v count(*)
a 1 a 1
...@@ -2090,7 +2090,7 @@ id select_type table type possible_keys key key_len ref rows Extra ...@@ -2090,7 +2090,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using where; Using index 1 SIMPLE t1 ref v v 303 const # Using where; Using index
explain select * from t1 where v='a'; explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using where 1 SIMPLE t1 ref v v 303 const # Using index condition
select v,count(*) from t1 group by v limit 10; select v,count(*) from t1 group by v limit 10;
v count(*) v count(*)
a 1 a 1
......
mysql-test/suite/innodb_plugin/r/innodb.result
View file @ 2a54cef9
...@@ -1222,7 +1222,7 @@ count(*) ...@@ -1222,7 +1222,7 @@ count(*)
623 623
explain select * from t1 where c between 1 and 2500; explain select * from t1 where c between 1 and 2500;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c c 5 NULL # Using where 1 SIMPLE t1 range c c 5 NULL # Using index condition; Using MRR
update t1 set c=a; update t1 set c=a;
explain select * from t1 where c between 1 and 2500; explain select * from t1 where c between 1 and 2500;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
...@@ -1916,7 +1916,7 @@ qq ...@@ -1916,7 +1916,7 @@ qq
*a *a*a * *a *a*a *
explain select * from t1 where v='a'; explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v,v_2 # 13 const # Using where 1 SIMPLE t1 ref v,v_2 # 13 const # Using index condition
select v,count(*) from t1 group by v limit 10; select v,count(*) from t1 group by v limit 10;
v count(*) v count(*)
a 1 a 1
...@@ -2092,7 +2092,7 @@ id select_type table type possible_keys key key_len ref rows Extra ...@@ -2092,7 +2092,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using where; Using index 1 SIMPLE t1 ref v v 303 const # Using where; Using index
explain select * from t1 where v='a'; explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using where 1 SIMPLE t1 ref v v 303 const # Using index condition
select v,count(*) from t1 group by v limit 10; select v,count(*) from t1 group by v limit 10;
v count(*) v count(*)
a 1 a 1
......
mysql-test/suite/innodb_plugin/r/innodb_mysql.result
View file @ 2a54cef9
...@@ -356,7 +356,7 @@ SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id ...@@ -356,7 +356,7 @@ SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id
WHERE t1.name LIKE 'A%'; WHERE t1.name LIKE 'A%';
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index PRIMARY,name name 23 NULL 3 Using where; Using index 1 SIMPLE t1 index PRIMARY,name name 23 NULL 3 Using where; Using index
1 SIMPLE t2 ref fkey fkey 5 test.t1.id 1 Using where; Using index 1 SIMPLE t2 ref fkey fkey 5 test.t1.id 1 Using index
EXPLAIN EXPLAIN
SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id
WHERE t1.name LIKE 'A%' OR FALSE; WHERE t1.name LIKE 'A%' OR FALSE;
...@@ -1426,12 +1426,15 @@ DROP TABLE t1; ...@@ -1426,12 +1426,15 @@ DROP TABLE t1;
# #
create table t1 (a bit(1) not null,b int) engine=myisam; create table t1 (a bit(1) not null,b int) engine=myisam;
create table t2 (c int) engine=innodb; create table t2 (c int) engine=innodb;
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='partial_match_rowid_merge=off,partial_match_table_scan=off';
explain explain
select b from t1 where a not in (select b from t1,t2 group by a) group by a; select b from t1 where a not in (select b from t1,t2 group by a) group by a;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found 2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 1 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 1
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1,t2; DROP TABLE t1,t2;
End of 5.0 tests End of 5.0 tests
CREATE TABLE `t2` ( CREATE TABLE `t2` (
......
mysql-test/suite/pbxt/r/join_nested.result
View file @ 2a54cef9
...@@ -1487,7 +1487,7 @@ on (t1.a = t2.a); ...@@ -1487,7 +1487,7 @@ on (t1.a = t2.a);
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 10 1 SIMPLE t1 ALL NULL NULL NULL NULL 10
1 SIMPLE t2 ref a a 5 test.t1.a 1 1 SIMPLE t2 ref a a 5 test.t1.a 1
1 SIMPLE t3 ref a a 5 test.t1.a 1 1 SIMPLE t3 ref a a 5 test.t1.a 1 Using where
drop table t1, t2, t3; drop table t1, t2, t3;
CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, type varchar(10)); CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, type varchar(10));
CREATE TABLE t2 (pid int NOT NULL PRIMARY KEY, type varchar(10)); CREATE TABLE t2 (pid int NOT NULL PRIMARY KEY, type varchar(10));
......
mysql-test/suite/pbxt/r/select.result
View file @ 2a54cef9
...@@ -1398,7 +1398,6 @@ explain select companynr,companyname from t4 left join t2 using (companynr) wher ...@@ -1398,7 +1398,6 @@ explain select companynr,companyname from t4 left join t2 using (companynr) wher
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 ALL PRIMARY NULL NULL NULL 12 Using where 1 SIMPLE t4 ALL PRIMARY NULL NULL NULL 12 Using where
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199
explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 or companynr < 0; explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 or companynr < 0;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 ALL PRIMARY NULL NULL NULL 12 Using where 1 SIMPLE t4 ALL PRIMARY NULL NULL NULL 12 Using where
......
mysql-test/suite/vcol/t/vcol_misc.test
View file @ 2a54cef9
...@@ -160,22 +160,3 @@ select * from t1,t2 where t1.b=t2.c and d <= 100; ...@@ -160,22 +160,3 @@ select * from t1,t2 where t1.b=t2.c and d <= 100;
set join_cache_level=default; set join_cache_level=default;
drop table t1, t2; drop table t1, t2;
create table t1 (a int, b int);
insert into t1 values (3, 30), (4, 20), (1, 20);
create table t2 (c int, d int, v int as (d+1), index idx(c));
insert into t2(c,d) values
(20, 100), (20, 300), (30, 100), (30, 200), (40, 500),
(70, 100), (40, 300), (60, 100), (40, 100), (70, 100);
set join_cache_level=6;
explain
select * from t1,t2 where t1.b=t2.c and d <= 100;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
1 SIMPLE t2 ref idx idx 5 test.t1.b 2 Using where; Using join buffer
select * from t1,t2 where t1.b=t2.c and d <= 100;
a b c d v
4 20 20 100 101
1 20 20 100 101
3 30 30 100 101
set join_cache_level=default;
drop table t1, t2;
mysql-test/t/join_outer.test
View file @ 2a54cef9
...@@ -1030,48 +1030,4 @@ select t2.pk, ...@@ -1030,48 +1030,4 @@ select t2.pk,
drop table t1,t2,t3,t4; drop table t1,t2,t3,t4;
--echo #
--echo # Bug#57024: Poor performance when conjunctive condition over the outer
--echo # table is used in the on condition of an outer join
--echo #
create table t1 (a int);
insert into t1 values (NULL), (NULL), (NULL), (NULL);
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 values (4), (2), (1), (3);
create table t2 like t1;
insert into t2 select if(t1.a is null, 10, t1.a) from t1;
create table t3 (a int, b int, index idx(a));
insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101);
analyze table t1,t2,t3;
flush status;
select sum(t3.b) from t1 left join t3 on t3.a=t1.a and t1.a is not null;
show status like "handler_read%";
flush status;
select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
show status like "handler_read%";
drop table t1,t2,t3;
--echo End of 5.1 tests --echo End of 5.1 tests
sql/sql_select.cc
View file @ 2a54cef9
...@@ -7021,9 +7021,6 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond) ...@@ -7021,9 +7021,6 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
if (tmp_cond) if (tmp_cond)
{ {
JOIN_TAB *cond_tab= tab < first_inner_tab ? first_inner_tab : tab; JOIN_TAB *cond_tab= tab < first_inner_tab ? first_inner_tab : tab;
Item **sel_cond_ref= tab < first_inner_tab ?
&first_inner_tab->on_precond :
&tab->select_cond;
/* /*
First add the guards for match variables of First add the guards for match variables of
all embedding outer join operations. all embedding outer join operations.
...@@ -7046,15 +7043,15 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond) ...@@ -7046,15 +7043,15 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
tmp_cond->quick_fix_field(); tmp_cond->quick_fix_field();
/* Add the predicate to other pushed down predicates */ /* Add the predicate to other pushed down predicates */
DBUG_PRINT("info", ("Item_cond_and")); DBUG_PRINT("info", ("Item_cond_and"));
*sel_cond_ref= !(*sel_cond_ref) ? cond_tab->select_cond= !cond_tab->select_cond ? tmp_cond :
tmp_cond : new Item_cond_and(cond_tab->select_cond,
new Item_cond_and(*sel_cond_ref, tmp_cond); tmp_cond);
DBUG_PRINT("info", ("Item_cond_and 0x%lx", DBUG_PRINT("info", ("Item_cond_and 0x%lx",
(ulong)(*sel_cond_ref))); (ulong)cond_tab->select_cond));
if (!(*sel_cond_ref)) if (!cond_tab->select_cond)
DBUG_RETURN(1); DBUG_RETURN(1);
(*sel_cond_ref)->update_used_tables(); cond_tab->select_cond->quick_fix_field();
(*sel_cond_ref)->quick_fix_field(); cond_tab->select_cond->update_used_tables();
if (cond_tab->select) if (cond_tab->select)
cond_tab->select->cond= cond_tab->select_cond; cond_tab->select->cond= cond_tab->select_cond;
} }
...@@ -13094,7 +13091,7 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records) ...@@ -13094,7 +13091,7 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
DBUG_RETURN(nls); DBUG_RETURN(nls);
} }
int error; int error;
enum_nested_loop_state rc= NESTED_LOOP_OK; enum_nested_loop_state rc;
READ_RECORD *info= &join_tab->read_record; READ_RECORD *info= &join_tab->read_record;
if (join_tab->flush_weedout_table) if (join_tab->flush_weedout_table)
...@@ -13127,23 +13124,18 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records) ...@@ -13127,23 +13124,18 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
/* Set first_unmatched for the last inner table of this group */ /* Set first_unmatched for the last inner table of this group */
join_tab->last_inner->first_unmatched= join_tab; join_tab->last_inner->first_unmatched= join_tab;
if (join_tab->on_precond && !join_tab->on_precond->val_int())
rc= NESTED_LOOP_NO_MORE_ROWS;
} }
join->thd->row_count= 0; join->thd->row_count= 0;
if (join_tab->loosescan_match_tab) if (join_tab->loosescan_match_tab)
join_tab->loosescan_match_tab->found_match= FALSE; join_tab->loosescan_match_tab->found_match= FALSE;
if (rc != NESTED_LOOP_NO_MORE_ROWS)
{
error= (*join_tab->read_first_record)(join_tab); error= (*join_tab->read_first_record)(join_tab);
if (join_tab->keep_current_rowid) if (join_tab->keep_current_rowid)
join_tab->table->file->position(join_tab->table->record[0]); join_tab->table->file->position(join_tab->table->record[0]);
rc= evaluate_join_record(join, join_tab, error); rc= evaluate_join_record(join, join_tab, error);
}
} }
/* /*
......
sql/sql_select.h
View file @ 2a54cef9
...@@ -161,8 +161,6 @@ typedef struct st_join_table { ...@@ -161,8 +161,6 @@ typedef struct st_join_table {
KEYUSE *keyuse; /**< pointer to first used key */ KEYUSE *keyuse; /**< pointer to first used key */
SQL_SELECT *select; SQL_SELECT *select;
COND *select_cond; COND *select_cond;
COND *on_precond; /**< part of on condition to check before
accessing the first inner table */
QUICK_SELECT_I *quick; QUICK_SELECT_I *quick;
/* /*
The value of select_cond before we've attempted to do Index Condition The value of select_cond before we've attempted to do Index Condition
......
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