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fix for Bug #12849 Stored Procedure: Crash on procedure call with CHAR type 'INOUT' parameter

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(recommit with the right Bug#)


mysql-test/r/sp.result:
  result file modified to reflect new test
mysql-test/t/sp.test:
  added test for the bug
sql/item.cc:
  protect Item_splocal value from modification by CONCAT() et al
sql/item.h:
  added a buffer to save Item_splocal string pointer
sql/sp_head.cc:
  don't employ reuse mechanism to save var into itself
This commit is contained in:
unknown
2005-09-08 18:25:42 +02:00
parent e61d56a985
commit 1b15f430d6
5 changed files with 84 additions and 3 deletions
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19
mysql-test/r/sp.result
View File

@ -3193,4 +3193,23 @@ set f1= concat( 'hello', f1 );
return f1;
end|
drop function bug9048|
drop procedure if exists bug12849_1|
create procedure bug12849_1(inout x char) select x into x|
set @var='a'|
call bug12849_1(@var)|
select @var|
@var
a
drop procedure bug12849_1|
drop procedure if exists bug12849_2|
create procedure bug12849_2(inout foo varchar(15))
begin
select concat(foo, foo) INTO foo;
end|
set @var='abcd'|
call bug12849_2(@var)|
select @var|
@var
abcdabcd
drop procedure bug12849_2|
drop table t1,t2;

26
mysql-test/t/sp.test
View File

@ -4043,6 +4043,32 @@ begin
end|
drop function bug9048|
#
# Bug #12849 Stored Procedure: Crash on procedure call with CHAR type
# 'INOUT' parameter
#
--disable_warnings
drop procedure if exists bug12849_1|
--enable_warnings
create procedure bug12849_1(inout x char) select x into x|
set @var='a'|
call bug12849_1(@var)|
select @var|
drop procedure bug12849_1|
--disable_warnings
drop procedure if exists bug12849_2|
--enable_warnings
create procedure bug12849_2(inout foo varchar(15))
begin
select concat(foo, foo) INTO foo;
end|
set @var='abcd'|
call bug12849_2(@var)|
select @var|
drop procedure bug12849_2|
#
# BUG#NNNN: New bug synopsis
#