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

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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
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27
mysql-test/t/sp.test
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@ -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