Commit c310a5c9 authored by Kristofer Pettersson's avatar Kristofer Pettersson

automerge

parents b11e374b 834ba322
......@@ -6979,6 +6979,51 @@ CALL p1;
ERROR 42S22: Unknown column 'A.b' in 'IN/ALL/ANY subquery'
DROP PROCEDURE p1;
DROP TABLE t1, t2;
#
# Bug47627 SET @@{global.session}.local_variable in stored routine causes crash
#
DROP PROCEDURE IF EXISTS p1;
DROP PROCEDURE IF EXISTS p2;
DROP PROCEDURE IF EXISTS p3;
CREATE PROCEDURE p1()
BEGIN
DECLARE v INT DEFAULT 0;
SET @@session.v= 10;
END//
ERROR HY000: Unknown system variable 'v'
CREATE PROCEDURE p2()
BEGIN
DECLARE v INT DEFAULT 0;
SET v= 10;
END//
call p2()//
CREATE PROCEDURE p3()
BEGIN
DECLARE v INT DEFAULT 0;
SELECT @@session.v;
END//
ERROR HY000: Unknown system variable 'v'
CREATE PROCEDURE p4()
BEGIN
DECLARE v INT DEFAULT 0;
SET @@global.v= 10;
END//
ERROR HY000: Unknown system variable 'v'
CREATE PROCEDURE p5()
BEGIN
DECLARE v INT DEFAULT 0;
SET @@global.query_cache_size= 0;
SET @@session.identity= 1;
SELECT @@session.identity;
SELECT @@global.query_cache_size;
END//
CALL p5();
@@session.identity
1
@@global.query_cache_size
0
DROP PROCEDURE p2;
DROP PROCEDURE p5;
# ------------------------------------------------------------------
# -- End of 5.1 tests
# ------------------------------------------------------------------
......@@ -8263,7 +8263,51 @@ CALL p1;
DROP PROCEDURE p1;
DROP TABLE t1, t2;
--echo #
--echo # Bug47627 SET @@{global.session}.local_variable in stored routine causes crash
--echo #
--disable_warnings
DROP PROCEDURE IF EXISTS p1;
DROP PROCEDURE IF EXISTS p2;
DROP PROCEDURE IF EXISTS p3;
--enable_warnings
delimiter //;
--error ER_UNKNOWN_SYSTEM_VARIABLE
CREATE PROCEDURE p1()
BEGIN
DECLARE v INT DEFAULT 0;
SET @@session.v= 10;
END//
CREATE PROCEDURE p2()
BEGIN
DECLARE v INT DEFAULT 0;
SET v= 10;
END//
call p2()//
--error ER_UNKNOWN_SYSTEM_VARIABLE
CREATE PROCEDURE p3()
BEGIN
DECLARE v INT DEFAULT 0;
SELECT @@session.v;
END//
--error ER_UNKNOWN_SYSTEM_VARIABLE
CREATE PROCEDURE p4()
BEGIN
DECLARE v INT DEFAULT 0;
SET @@global.v= 10;
END//
CREATE PROCEDURE p5()
BEGIN
DECLARE v INT DEFAULT 0;
SET @@global.query_cache_size= 0;
SET @@session.identity= 1;
SELECT @@session.identity;
SELECT @@global.query_cache_size;
END//
delimiter ;//
CALL p5();
DROP PROCEDURE p2;
DROP PROCEDURE p5;
--echo # ------------------------------------------------------------------
--echo # -- End of 5.1 tests
--echo # ------------------------------------------------------------------
......@@ -11783,8 +11783,17 @@ option_type:
;
option_type2:
/* empty */ { $$= OPT_DEFAULT; }
| ONE_SHOT_SYM { Lex->one_shot_set= 1; $$= OPT_SESSION; }
/* empty */
{
$$= OPT_DEFAULT;
Lex->option_type= OPT_DEFAULT;
}
| ONE_SHOT_SYM
{
Lex->one_shot_set= 1;
$$= OPT_SESSION;
Lex->option_type= OPT_SESSION;
}
;
opt_var_type:
......@@ -11795,10 +11804,26 @@ opt_var_type:
;
opt_var_ident_type:
/* empty */ { $$=OPT_DEFAULT; }
| GLOBAL_SYM '.' { $$=OPT_GLOBAL; }
| LOCAL_SYM '.' { $$=OPT_SESSION; }
| SESSION_SYM '.' { $$=OPT_SESSION; }
/* empty */
{
$$=OPT_DEFAULT;
Lex->option_type= OPT_DEFAULT;
}
| GLOBAL_SYM '.'
{
$$=OPT_GLOBAL;
Lex->option_type= OPT_GLOBAL;
}
| LOCAL_SYM '.'
{
$$=OPT_SESSION;
Lex->option_type= OPT_SESSION;
}
| SESSION_SYM '.'
{
$$=OPT_SESSION;
Lex->option_type= OPT_SESSION;
}
;
ext_option_value:
......@@ -12038,8 +12063,22 @@ internal_variable_name:
sp_pcontext *spc= lex->spcont;
sp_variable_t *spv;
/* We have to lookup here since local vars can shadow sysvars */
if (!spc || !(spv = spc->find_variable(&$1)))
/*
We have to lookup here since local vars can shadow sysvars.
We also have to inspect the option_type first since the variable
identifier might have been prefixed with @@session or @@global
prefixes. Without this check we would wrongly identify them
as SP local variables.
*/
if (lex->option_type == OPT_DEFAULT && spc &&
(spv= spc->find_variable(&$1)))
{
/* An SP local variable */
$$.var= NULL;
$$.base_name= $1;
}
else
{
/* Not an SP local variable */
sys_var *tmp=find_sys_var(thd, $1.str, $1.length);
......@@ -12056,12 +12095,6 @@ internal_variable_name:
lex->sphead->m_flags|= sp_head::HAS_SET_AUTOCOMMIT_STMT;
}
}
else
{
/* An SP local variable */
$$.var= NULL;
$$.base_name= $1;
}
}
| ident '.' ident
{
......
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