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Fixed BUG#2460: Crash wih Stored Procedure and UNION.

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This commit is contained in:
pem@mysql.comhem.se
2004-05-28 19:43:06 +02:00
parent a4729a9052
commit 27abb69250
3 changed files with 94 additions and 1 deletions
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45
mysql-test/r/sp.result
View File

@ -1273,6 +1273,51 @@ select @a|
@a
5
drop procedure bug3863|
drop table if exists t3|
create table t3 (
id int(10) unsigned not null default 0,
rid int(10) unsigned not null default 0,
msg text not null,
primary key (id),
unique key rid (rid, id)
)|
create procedure bug2460_1(in v int)
begin
( select n0.id from t3 as n0 where n0.id = v )
union
( select n0.id from t3 as n0, t3 as n1
where n0.id = n1.rid and n1.id = v )
union
( select n0.id from t3 as n0, t3 as n1, t3 as n2
where n0.id = n1.rid and n1.id = n2.rid and n2.id = v );
end|
call bug2460_1(2)|
id
call bug2460_1(2)|
id
insert into t3 values (1, 1, 'foo'), (2, 1, 'bar'), (3, 1, 'zip zap')|
call bug2460_1(2)|
id
2
1
call bug2460_1(2)|
id
2
1
create procedure bug2460_2()
begin
drop table if exists t3;
create table t3 (s1 int);
insert into t3 select 1 union select 1;
end|
call bug2460_2()|
call bug2460_2()|
select * from t3|
s1
1
drop procedure bug2460_1|
drop procedure bug2460_2|
drop table t3|
drop table if exists fac|
create table fac (n int unsigned not null primary key, f bigint unsigned)|
create procedure ifac(n int unsigned)

46
mysql-test/t/sp.test
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@ -1471,6 +1471,52 @@ select @a|
drop procedure bug3863|
#
# BUG#2460
#
--disable_warnings
drop table if exists t3|
--enable_warnings
create table t3 (
id int(10) unsigned not null default 0,
rid int(10) unsigned not null default 0,
msg text not null,
primary key (id),
unique key rid (rid, id)
)|
create procedure bug2460_1(in v int)
begin
( select n0.id from t3 as n0 where n0.id = v )
union
( select n0.id from t3 as n0, t3 as n1
where n0.id = n1.rid and n1.id = v )
union
( select n0.id from t3 as n0, t3 as n1, t3 as n2
where n0.id = n1.rid and n1.id = n2.rid and n2.id = v );
end|
call bug2460_1(2)|
call bug2460_1(2)|
insert into t3 values (1, 1, 'foo'), (2, 1, 'bar'), (3, 1, 'zip zap')|
call bug2460_1(2)|
call bug2460_1(2)|
create procedure bug2460_2()
begin
drop table if exists t3;
create table t3 (s1 int);
insert into t3 select 1 union select 1;
end|
call bug2460_2()|
call bug2460_2()|
select * from t3|
drop procedure bug2460_1|
drop procedure bug2460_2|
drop table t3|
#
# Some "real" examples

4
sql/sql_union.cc
View File

@ -457,7 +457,9 @@ int st_select_lex_unit::exec()
else
{
JOIN_TAB *tab,*end;
for (tab=join->join_tab,end=tab+join->tables ; tab != end ; tab++)
for (tab=join->join_tab, end=tab+join->tables ;
tab && tab != end ;
tab++)
{
delete tab->select;
delete tab->quick;