--source include/have_debug.inc

#
# Bug#34678 @@debug variable's incremental mode
#

set debug= 'T';
select @@debug;
set debug= '+P';
select @@debug;
set debug= '-P';
select @@debug;

#
# Checks that assigning variable 'debug' in one session has no influence on
# other session. (BUG#45632 of bugs.mysql.com)
#
connect(con1,localhost,root,,test,,);
connect(con2,localhost,root,,test,,);

# makes output independant of current debug status
connection con1;
set session debug="t";
show session variables like 'debug';
connection con2;
set session debug="t";
show session variables like 'debug';

# checks influence one session debug variable on another
connection con1;
set session debug="d:t";
show session variables like 'debug';
connection con2;
show session variables like 'debug';

disconnect con1;
disconnect con2;

connection default;