database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

Fix for BUG#13549 "Server crash with nested stored procedures

Browse Source 
if inner routine has more local variables than outer one, and
one of its last variables was used as argument to NOT operator".

THD::spcont was non-0 when we were parsing stored routine/trigger
definition during execution of another stored routine. This confused
methods of Item_splocal and forced them use wrong runtime context.
Fix ensures that we always have THD::spcont equal to zero during
routine/trigger body parsing. This also allows to avoid problems
with errors which occur during parsing and SQL exception handlers.
This commit is contained in:
bell@sanja.is.com.ua
2005-11-23 00:50:37 +02:00
parent debff3e632
commit 2bcd68973b
16 changed files with 178 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
mysql-test/r/sp.result
View File

@ -3435,4 +3435,21 @@ Table Create Table
tm1 CREATE TEMPORARY TABLE `tm1` (
`spv1` decimal(6,3) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop procedure bug12589_1|
drop procedure bug12589_2|
drop procedure bug12589_3|
drop procedure if exists bug13549_1|
drop procedure if exists bug13549_2|
CREATE PROCEDURE `bug13549_2`()
begin
call bug13549_1();
end|
CREATE PROCEDURE `bug13549_1`()
begin
declare done int default 0;
set done= not done;
end|
CALL bug13549_2()|
drop procedure bug13549_2|
drop procedure bug13549_1|
drop table t1,t2;

14
mysql-test/r/trigger.result
View File

@ -738,3 +738,17 @@ f1
1
drop trigger t1_bi;
drop tables t1, t2;
create table t1 (a int);
drop procedure if exists p2;
CREATE PROCEDURE `p2`()
begin
insert into t1 values (1);
end//
create trigger trg before insert on t1 for each row
begin
declare done int default 0;
set done= not done;
end//
CALL p2();
drop procedure p2;
drop table t1;

27
mysql-test/t/sp.test
View File

@ -4313,7 +4313,34 @@ call bug12589_1()|
# No warnings here
call bug12589_2()|
call bug12589_3()|
drop procedure bug12589_1|
drop procedure bug12589_2|
drop procedure bug12589_3|
#
# BUG#13549 "Server crash with nested stored procedures".
# Server should not crash when during execution of stored procedure
# we have to parse trigger/function definition and this new trigger/
# function has more local variables declared than invoking stored
# procedure and last of these variables is used in argument of NOT
# operator.
#
--disable_warnings
drop procedure if exists bug13549_1|
drop procedure if exists bug13549_2|
--enable_warnings
CREATE PROCEDURE `bug13549_2`()
begin
call bug13549_1();
end|
CREATE PROCEDURE `bug13549_1`()
begin
declare done int default 0;
set done= not done;
end|
CALL bug13549_2()|
drop procedure bug13549_2|
drop procedure bug13549_1|
#
# BUG#NNNN: New bug synopsis

28
mysql-test/t/trigger.test
View File

@ -875,3 +875,31 @@ drop function f1;
drop view v1;
drop table t1, t2, t3;
--enable_parsing
#
# BUG#13549 "Server crash with nested stored procedures".
# Server should not crash when during execution of stored procedure
# we have to parse trigger/function definition and this new trigger/
# function has more local variables declared than invoking stored
# procedure and last of these variables is used in argument of NOT
# operator.
#
create table t1 (a int);
--disable_warnings
drop procedure if exists p2;
--enable_warnings
DELIMITER //;
CREATE PROCEDURE `p2`()
begin
insert into t1 values (1);
end//
create trigger trg before insert on t1 for each row
begin
declare done int default 0;
set done= not done;
end//
DELIMITER ;//
CALL p2();
drop procedure p2;
drop table t1;