mariadb/mysql-test/t/sp-error.test

#
# Stored PROCEDURE error tests
#

--disable_warnings
drop table if exists t1, t2;
--enable_warnings

# Make sure we don't have any procedures left.
delete from mysql.proc;

delimiter |;

# This should give three syntax errors (sometimes crashed; bug #643)
# (Unfortunately, this is not a 100% test, on some platforms this
#  passed despite the bug.)
--error 1064
create procedure syntaxerror(t int)|
--error 1064
create procedure syntaxerror(t int)|
--error 1064
create procedure syntaxerror(t int)|

# Check that we get the right error, i.e. UDF declaration parses correctly,
# but foo.so doesn't exist.
#    This generates an error message containing a misleading errno which
#    might vary between systems (it usually doesn't have anything to do with
#    the actual failing dlopen()).
#--error 1126
#create function foo returns real soname "foo.so"|


--disable_warnings
drop table if exists t3|
--enable_warnings
create table t3 ( x int )|
insert into t3 values (2), (3)|

create procedure bad_into(out param int)
  select x from t3 into param|

--error 1172
call bad_into(@x)|

drop procedure bad_into|
drop table t3|


create procedure proc1()
  set @x = 42|

create function func1() returns int
  return 42|

# Can't create recursively
--error 1303
create procedure foo()
  create procedure bar() set @x=3|
--error 1303
create procedure foo()
  create function bar() returns double return 2.3|

# Already exists
--error 1304
create procedure proc1()
  set @x = 42|
--error 1304
create function func1() returns int
  return 42|

drop procedure proc1|
drop function func1|

# Does not exist
--error 1305
alter procedure foo|
--error 1305
alter function foo|
--error 1305
drop procedure foo|
--error 1305
drop function foo|
--error 1305
call foo()|
drop procedure if exists foo|
--error 1305
show create procedure foo|
--error 1305
show create function foo|

# LEAVE/ITERATE with no match
--error 1308
create procedure foo()
foo: loop
  leave bar;
end loop|
--error 1308
create procedure foo()
foo: loop
  iterate bar;
end loop|
--error 1308
create procedure foo()
foo: begin
  iterate foo;
end|

# Redefining label
--error 1309
create procedure foo()
foo: loop
  foo: loop
    set @x=2;
  end loop foo;
end loop foo|

# End label mismatch
--error 1310
create procedure foo()
foo: loop
  set @x=2;
end loop bar|

# RETURN in FUNCTION only
--error 1313
create procedure foo()
  return 42|

# Wrong number of arguments
create procedure p(x int)
  set @x = x|
create function f(x int) returns int
  return x+42|

--error 1318
call p()|
--error 1318
call p(1, 2)|
--error 1318
select f()|
--error 1318
select f(1, 2)|

drop procedure p|
drop function f|

--error 1319 
create procedure p(val int, out res int)
begin
  declare x int default 0;
  declare continue handler for foo set x = 1;

  insert into test.t1 values (val);
  if (x) then
    set res = 0;
  else
    set res = 1;
  end if;
end|

--error 1319 
create procedure p(val int, out res int)
begin
  declare x int default 0;
  declare foo condition for 1146;
  declare continue handler for bar set x = 1;

  insert into test.t1 values (val);
  if (x) then
    set res = 0;
  else
    set res = 1;
  end if;
end|

--error 1320
create function f(val int) returns int
begin
  declare x int;

  set x = val+3;
end|

create function f(val int) returns int
begin
  declare x int;

  set x = val+3;
  if x < 4 then
    return x;
  end if;
end|

--error 1321
select f(10)|

drop function f|

--error 1322
create procedure p()
begin
  declare c cursor for insert into test.t1 values ("foo", 42);

  open c;
  close c;
end|

--error 1323
create procedure p()
begin
  declare x int;
  declare c cursor for select * into x from test.t limit 1;

  open c;
  close c;
end|

--error 1324
create procedure p()
begin
  declare c cursor for select * from test.t;

  open cc;
  close c;
end|

--disable_warnings
drop table if exists t1|
--enable_warnings
create table t1 (val int)|

create procedure p()
begin
  declare c cursor for select * from test.t1;

  open c;
  open c;
  close c;
end|
--error 1325
call p()|
drop procedure p|

create procedure p()
begin
  declare c cursor for select * from test.t1;

  open c;
  close c;
  close c;
end|
--error 1326
call p()|
drop procedure p|

--error 1305
alter procedure bar3 sql security invoker|

drop table t1|

--disable_warnings
drop table if exists t1|
--enable_warnings
create table t1 (val int, x float)|
insert into t1 values (42, 3.1), (19, 1.2)|

--error 1327
create procedure p()
begin
  declare x int;
  declare c cursor for select * from t1;

  open c;
  fetch c into x, y;
  close c;
end|

create procedure p()
begin
  declare x int;
  declare c cursor for select * from t1;

  open c;
  fetch c into x;
  close c;
end|
--error 1328
call p()|
drop procedure p|

create procedure p()
begin
  declare x int;
  declare y float;
  declare z int;
  declare c cursor for select * from t1;

  open c;
  fetch c into x, y, z;
  close c;
end|
--error 1328
call p()|
drop procedure p|

--error 1330
create procedure p(in x int, x char(10))
begin
end|
--error 1330
create function p(x int, x char(10))
begin
end|

--error 1331
create procedure p()
begin
  declare x float;
  declare x int;
end|

--error 1332	
create procedure p()
begin
  declare c condition for 1064;
  declare c condition for 1065;
end|

--error 1333
create procedure p()
begin
  declare c cursor for select * from t1;
  declare c cursor for select field from t1;
end|

# USE is not allowed
--error ER_SP_BADSTATEMENT 
create procedure u()
  use sptmp|

# Enforced standard order of declarations
--error 1337
create procedure p()
begin
  declare c cursor for select * from t1;
  declare x int;
end|
--error 1337
create procedure p()
begin
  declare x int;
  declare continue handler for sqlstate '42S99' set x = 1;
  declare foo condition for sqlstate '42S99';
end|

--error 1338
create procedure p()
begin
  declare x int;
  declare continue handler for sqlstate '42S99' set x = 1;
  declare c cursor for select * from t1;
end|

# Check in and inout arguments.
--disable_warnings
drop procedure if exists p|
--enable_warnings
create procedure p(in x int, inout y int, out z int)
begin
  set y = x+y;
  set z = x+y;
end|

set @tmp_x = 42|
set @tmp_y = 3|
set @tmp_z = 0|
# For reference: this is ok
call p(@tmp_x, @tmp_y, @tmp_z)|
select @tmp_x, @tmp_y, @tmp_z|

--error ER_SP_NOT_VAR_ARG
call p(42, 43, @tmp_z)|
--error ER_SP_NOT_VAR_ARG
call p(42, @tmp_y, 43)|

drop procedure p|


#
# Let us test that we can access mysql.proc table for routines
# definitions lookup without locking it explicitly.
#
create procedure p() begin end|
lock table t1 read|
# This should succeed
call p()|
unlock tables|
drop procedure p|
# Let us check restrictions which this ability puts on mysql.proc locking.
--error ER_WRONG_LOCK_OF_SYSTEM_TABLE
lock tables t1 read, mysql.proc write|
--error ER_WRONG_LOCK_OF_SYSTEM_TABLE
lock tables mysql.proc write, mysql.user write|
# Locking for read should be OK
lock tables t1 read, mysql.proc read|
unlock tables|
# You also should be able lock only mysql.proc for write
lock tables mysql.proc write|
unlock tables|


#
# Check that in functions we don't allow to update tables which
# are used by statements which invoke these functions.
#
--disable_warnings
drop function if exists f1|
--enable_warnings
create function f1(i int) returns int
begin
  insert into t1 (val) values (i);
  return 0;
end|
--error ER_CANT_UPDATE_USED_TABLE_IN_SF_OR_TRG
select val, f1(val) from t1|
# Table alias should not matter
--error ER_CANT_UPDATE_USED_TABLE_IN_SF_OR_TRG
select val, f1(val) from t1 as tab|
select * from t1|
--error ER_CANT_UPDATE_USED_TABLE_IN_SF_OR_TRG
update t1 set val= f1(val)|
select * from t1|
# But this should be OK
select f1(17)|
select * from t1|
# Cleanup
delete from t1 where val= 17|
drop function f1|


#
# BUG#1965
#
create procedure bug1965()
begin
  declare c cursor for select val from t1 order by valname;
  open c;
  close c;
end|

--error 1054
call bug1965()|
drop procedure bug1965|

#
# BUG#1966
#
--error 1327
select 1 into a|

#
# BUG#1653
#
--disable_warnings
drop table if exists t3|
--enable_warnings
create table t3 (column_1_0 int)|

create procedure bug1653()
  update t3 set column_1 = 0|

--error 1054
call bug1653()|
drop table t3|
create table t3 (column_1 int)|
call bug1653()|

drop procedure bug1653|
drop table t3|

#
# BUG#2259
#
# Note: When this bug existed, it did not necessarily cause a crash
#       in all builds, but valgrind did give warnings.
create procedure bug2259()
begin
  declare v1 int;
  declare c1 cursor for select s1 from t1;

  fetch c1 into v1;
end|

--error 1326
call bug2259()|
drop procedure bug2259|

#
# BUG#2272
#
create procedure bug2272()
begin
  declare v int;

  update t1 set v = 42;
end|

insert into t1 values (666, 51.3)|
--error 1054
call bug2272()|
delete from t1|
drop procedure bug2272|

#
# BUG#2329
#
create procedure bug2329_1()
begin
  declare v int;

  insert into t1 (v) values (5);
end|

create procedure bug2329_2()
begin
  declare v int;

  replace t1 set v = 5;
end|

--error 1054
call bug2329_1()|
--error 1054
call bug2329_2()|
drop procedure bug2329_1|
drop procedure bug2329_2|

#
# BUG#3287
#
create function bug3287() returns int
begin
  declare v int default null;

  case
    when v is not null then return 1;
  end case;
  return 2;
end|
--error 1339
select bug3287()|
drop function bug3287|

create procedure bug3287(x int)
case x
when 0 then
  insert into test.t1 values (x, 0.1);
when 1 then
  insert into test.t1 values (x, 1.1);
end case|
--error 1339
call bug3287(2)|
drop procedure bug3287|

#
# BUG#3297
#
--disable_warnings
drop table if exists t3|
--enable_warnings
create table t3 (s1 int, primary key (s1))|
insert into t3 values (5),(6)|

create procedure bug3279(out y int) 
begin
  declare x int default 0;
  begin
    declare exit handler for sqlexception set x = x+1;
    insert into t3 values (5);
  end;
  if x < 2 then
    set x = x+1;
    insert into t3 values (6);
  end if;
  set y = x;
end|

set @x = 0|
--error 1062
call bug3279(@x)|
select @x|
drop procedure bug3279|
drop table t3|

#
# BUG#3339
#
--error 1049
create procedure nodb.bug3339() begin end|

#
# BUG#2653
#
create procedure bug2653_1(a int, out b int)
  set b = aa|

create procedure bug2653_2(a int, out b int)
begin
  if aa < 0 then
    set b = - a;
  else
    set b = a;
  end if;
end|

--error 1054
call bug2653_1(1, @b)|
--error 1054
call bug2653_2(2, @b)|

drop procedure bug2653_1|
drop procedure bug2653_2|

#
# BUG#4344
#
--error 1357
create procedure bug4344() drop procedure bug4344|
--error 1357
create procedure bug4344() drop function bug4344|

#
# BUG#3294: Stored procedure crash if table dropped before use
# (Actually, when an error occurs within an error handler.)
--disable_warnings
drop procedure if exists bug3294|
--enable_warnings
create procedure bug3294()
begin
  declare continue handler for sqlexception drop table t5;
  drop table t5;
  drop table t5;
end|

create table t5 (x int)|
--error 1051
call bug3294()|
drop procedure bug3294|

#
# BUG#6807: Stored procedure crash if CREATE PROCEDURE ... KILL QUERY
#
--disable_warnings
drop procedure if exists bug6807|
--enable_warnings
create procedure bug6807()
begin
  declare id int;

  set id = connection_id();
  kill query id;
  select 'Not reached';
end|

--error 1317
call bug6807()|
--error 1317
call bug6807()|

drop procedure bug6807|

#
# BUG#876: Stored Procedures: Invalid SQLSTATE is allowed in 
#          a DECLARE ? HANDLER FOR stmt.
#
--disable_warnings
drop procedure if exists bug8776_1|
drop procedure if exists bug8776_2|
drop procedure if exists bug8776_3|
drop procedure if exists bug8776_4|
--enable_warnings
--error ER_SP_BAD_SQLSTATE
create procedure bug8776_1()
begin
  declare continue handler for sqlstate '42S0200test' begin end;
  begin end;
end|

--error ER_SP_BAD_SQLSTATE
create procedure bug8776_2()
begin
  declare continue handler for sqlstate '4200' begin end;
  begin end;
end|

--error ER_SP_BAD_SQLSTATE
create procedure bug8776_3()
begin
  declare continue handler for sqlstate '420000' begin end;
  begin end;
end|

--error ER_SP_BAD_SQLSTATE
create procedure bug8776_4()
begin
  declare continue handler for sqlstate '42x00' begin end;
  begin end;
end|


#
# BUG#6600: Stored procedure crash after repeated calls with check table
#
--error ER_SP_BADSTATEMENT
create procedure bug6600()
  check table t1|

# Check these two as well, while we're at it. (Although it isn't really
# related to the bug report, but to the fix.)
--error ER_SP_BADSTATEMENT
create procedure bug6600()
  lock table t1 read|
--error ER_SP_BADSTATEMENT
create procedure bug6600()
  unlock table t1|

#
# BUG#9566: explicit LOCK TABLE and store procedures result in illegal state
#
# We should not think that mysql.proc table does not exist if we are unable
# to open it under LOCK TABLE or in prelocked mode.
#
--disable_warnings
drop procedure if exists bug9566|
--enable_warnings
create procedure bug9566()
begin
  select * from t1;
end|
lock table t1 read|
# This should fail since we forgot to lock mysql.proc for writing
# explicitly, and we can't open mysql.proc for _writing_ if there
# are locked tables.
--error 1100
alter procedure bug9566 comment 'Some comment'|
unlock tables|
# This should succeed
drop procedure bug9566|


#
# BUG#7299: Stored procedures: exception handler catches not-found conditions
#
--disable_warnings
drop procedure if exists bug7299|
--enable_warnings
create procedure bug7299()
begin
  declare v int;
  declare c cursor for select val from t1;
  declare exit handler for sqlexception select 'Error!'; 

  open c;
  fetch c into v;
end|

delete from t1|
--error ER_SP_FETCH_NO_DATA
call bug7299()|
drop procedure bug7299|


#
# BUG#9073: Able to declare two handlers for same condition in same scope
#
--error ER_SP_DUP_HANDLER
create procedure bug9073()
begin
  declare continue handler for sqlexception select 1;
  declare continue handler for sqlexception select 2;
end|
--error ER_SP_DUP_HANDLER
create procedure bug9073()
begin
  declare condname1 condition for 1234;
  declare continue handler for condname1 select 1;
  declare exit handler for condname1 select 2;
end|
--error ER_SP_DUP_HANDLER
create procedure bug9073()
begin
  declare condname1 condition for sqlstate '42000';
  declare condname2 condition for sqlstate '42000';
  declare exit handler for condname1 select 1;
  declare continue handler for condname2 select 2;
end|
--error ER_SP_DUP_HANDLER
create procedure bug9073()
begin
  declare condname1 condition for sqlstate '42000';
  declare exit handler for condname1 select 1;
  declare exit handler for sqlstate '42000' select 2;
end|

# This should still work.
--disable_warnings
drop procedure if exists bug9073|
--enable_warnings
create procedure bug9073()
begin
  declare condname1 condition for sqlstate '42000';
  declare continue handler for condname1 select 1;
  begin
    declare exit handler for sqlstate '42000' select 2;
    begin
      declare continue handler for sqlstate '42000' select 3;
    end;
  end;
end|
drop procedure bug9073|


#
# BUG#7047: Stored procedure crash if alter procedure
#
--error ER_SP_NO_DROP_SP
create procedure bug7047()
  alter procedure bug7047|
--error ER_SP_NO_DROP_SP
create function bug7047() returns int
begin
  alter function bug7047;
  return 0;
end|


#
# BUG#8408: Stored procedure crash if function contains SHOW
# BUG#9058: Stored Procedures: Crash if function included SELECT
#

# Some things are caught when parsing
--error ER_SP_NO_RETSET
create function bug8408() returns int
begin
  select * from t1;
  return 0;
end|
--error ER_SP_NO_RETSET
create function bug8408() returns int
begin
  show warnings;
  return 0;
end|
--error ER_SP_NO_RETSET
create function bug8408(a int) returns int
begin
  declare b int;
  select b;
  return b;
end|

--disable_warnings
drop function if exists bug8408_f|
drop procedure if exists bug8408_p|
--enable_warnings

# Some things must be caught at invokation time
create function bug8408_f() returns int
begin
  call bug8408_p();
  return 0;
end|
create procedure bug8408_p()
  select * from t1|

call bug8408_p()|
--error ER_SP_NO_RETSET
select bug8408_f()|

drop procedure bug8408_p|
drop function bug8408_f|

# But this is ok
create function bug8408() returns int
begin
  declare n int default 0;
  select count(*) into n from t1;
  return n;
end|

insert into t1 value (2, 2.7), (3, 3.14), (7, 7.0)|
select *,bug8408() from t1|

drop function bug8408|
delete from t1|


#
# BUG#10537: Server crashes while loading data file into table through
#            procedure.
# Disable load until it's PS and SP safe
--disable_warnings
drop procedure if exists bug10537|
--enable_warnings
--error ER_SP_BADSTATEMENT
create procedure bug10537()
  load data local infile '/tmp/somefile' into table t1|


#
# BUG#8409: Stored procedure crash if function contains FLUSH
#
--disable_warnings
drop function if exists bug8409|
--enable_warnings
--error ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG
create function bug8409()
  returns int
begin
  flush tables;
  return 5;
end|


#
# BUG#9529: Stored Procedures: No Warning on truncation of procedure name
#           during creation.
# Note: When using utf8 for mysql.proc, this limit is much higher than before
--error ER_TOO_LONG_IDENT
create procedure bug9529_90123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123()
begin
end|


#
# BUG#10969: Stored procedures: crash if default() function
#
--disable_warnings
drop procedure if exists bug10969|
--enable_warnings
--error ER_WRONG_COLUMN_NAME
create procedure bug10969()
begin
  declare s1 int default 0;
  select default(s1) from t30;
end|

# This should work
create procedure bug10969()
begin
  declare s1 int default 0;
  select default(t30.s1) from t30;
end|

drop procedure bug10969|


drop table t1|

delimiter ;|

# BUG#9814: Closing a cursor that is not open 
create table t1(f1 int);
create table t2(f1 int);
 
delimiter |;
CREATE PROCEDURE SP001()
P1: BEGIN
  DECLARE ENDTABLE INT DEFAULT 0;
  DECLARE TEMP_NUM INT;
  DECLARE TEMP_SUM INT;
  DECLARE C1 CURSOR FOR SELECT F1 FROM t1;
  DECLARE C2 CURSOR FOR SELECT F1 FROM t2;
  DECLARE CONTINUE HANDLER FOR NOT FOUND SET ENDTABLE = 1;

  SET ENDTABLE=0;
  SET TEMP_SUM=0;
  SET TEMP_NUM=0;
  
  OPEN C1;

  FETCH C1 INTO TEMP_NUM;
  WHILE ENDTABLE = 0 DO
          SET TEMP_SUM=TEMP_NUM+TEMP_SUM;
          FETCH C1 INTO TEMP_NUM;
  END WHILE;
  SELECT TEMP_SUM;
  CLOSE C1;
  CLOSE C1;
  SELECT 'end of proc';
END P1|
delimiter ;|
call SP001();
drop procedure SP001;
drop table t1, t2;

# Bug #11394 "Recursion in SP crash server" and bug #11600 "Stored
# procedures: crash with function calling itself".
# We have to disable recursion since in many cases LEX and many
# Item's can't be used in reentrant way nowdays.
delimiter |;
--disable_warnings
drop function if exists bug11394|
drop function if exists bug11394_1|
drop function if exists bug11394_2|
drop procedure if exists bug11394|
--enable_warnings
create function bug11394(i int) returns int
begin
  if i <= 0 then
    return 0;
  else
    return (i in (100, 200, bug11394(i-1), 400));
  end if;
end|
# If we allow recursive functions without additional modifications
# this will crash server since Item for "IN" is not reenterable.
--error 1424
select bug11394(2)|
drop function bug11394|
create function bug11394_1(i int) returns int
begin
  if i <= 0 then
    return 0;
  else
    return (select bug11394_1(i-1));
  end if;
end|
# The following statement will crash because some LEX members responsible
# for selects cannot be used in reentrant fashion.
--error 1424
select bug11394_1(2)|
drop function bug11394_1|
# Note that the following should be allowed since it does not contains
# recursion
create function bug11394_2(i int) returns int return i|
select bug11394_2(bug11394_2(10))|
drop function bug11394_2|
create procedure bug11394(i int, j int)
begin
  if i > 0 then
    call bug11394(i - 1,(select 1));
  end if;
end|
# Again if we allow recursion for stored procedures (without 
# additional efforts) the following statement will crash the server.
--error 1424
call bug11394(2, 1)|
drop procedure bug11394|
delimiter ;|


#
# BUG 12490 (Packets out of order if calling HELP CONTENTS from Stored Procedure)
#
--error 1314
CREATE PROCEDURE BUG_12490() HELP CONTENTS;
--error 1314
CREATE FUNCTION BUG_12490() RETURNS INT HELP CONTENTS;
CREATE TABLE t_bug_12490(a int);
--error 1314
CREATE TRIGGER BUG_12490 BEFORE UPDATE ON t_bug_12490 FOR EACH ROW HELP CONTENTS;
DROP TABLE t_bug_12490;

#
# Bug#11834 "Re-execution of prepared statement with dropped function
# crashes server". Also tests handling of prepared stmts which use
# stored functions but does not require prelocking.
#
--disable_warnings
drop function if exists bug11834_1;
drop function if exists bug11834_2;
--enable_warnings
create function bug11834_1() returns int return 10;
create function bug11834_2() returns int return bug11834_1();
prepare stmt from "select bug11834_2()";
execute stmt;
# Re-execution of statement should not crash server.
execute stmt;
drop function bug11834_1;
# Attempt to execute statement should return proper error and 
# should not crash server.
--error ER_SP_DOES_NOT_EXIST
execute stmt;
deallocate prepare stmt;
drop function bug11834_2;

#
# Bug#12953 "Stored procedures: crash if OPTIMIZE TABLE in function"
#
delimiter |;
--disable_warnings
DROP FUNCTION IF EXISTS bug12953|
--enable_warnings
--error ER_SP_BADSTATEMENT
CREATE FUNCTION bug12953() RETURNS INT
BEGIN
  OPTIMIZE TABLE t1;
  RETURN 1;
END|
delimiter ;|

#
# Bug##12995 "Inside function "Table 't4' was not locked with LOCK TABLES"
#
delimiter |;
--disable_warnings
DROP FUNCTION IF EXISTS bug12995|
--enable_warnings
--error ER_SP_BADSTATEMENT
CREATE FUNCTION bug12995() RETURNS INT
BEGIN
  HANDLER t1 OPEN;
  RETURN 1;
END|
--error ER_SP_BADSTATEMENT
CREATE FUNCTION bug12995() RETURNS INT
BEGIN
  HANDLER t1 READ FIRST;
  RETURN 1;
END|
--error ER_SP_BADSTATEMENT
CREATE FUNCTION bug12995() RETURNS INT
BEGIN
  HANDLER t1 CLOSE;
  RETURN 1;
END|
--error 1305
SELECT bug12995()|
delimiter ;|


#
# BUG#12712: SET AUTOCOMMIT should fail within SP/functions/triggers
#
--disable_warnings
drop procedure if exists bug12712;
drop function if exists bug12712;
--enable_warnings
# Can...
create procedure bug12712()
  set session autocommit = 0;

select @@autocommit;
set @au = @@autocommit;
call bug12712();
select @@autocommit;
set session autocommit = @au;

delimiter |;
create function bug12712()
  returns int
begin
  call bug12712();
  return 0;
end|

# Can't...
--error ER_SP_CANT_SET_AUTOCOMMIT
set @x = bug12712()|
drop procedure bug12712|
drop function bug12712|
--error ER_SP_CANT_SET_AUTOCOMMIT
create function bug12712()
    returns int
begin
  set session autocommit = 0;
  return 0;
end|
--error ER_SP_CANT_SET_AUTOCOMMIT
create function bug12712()
    returns int
begin
  set @@autocommit = 0;
  return 0;
end|
--error ER_SP_CANT_SET_AUTOCOMMIT
create function bug12712()
    returns int
begin
  set local autocommit = 0;
  return 0;
end|
delimiter ;|
--error ER_SP_CANT_SET_AUTOCOMMIT
create trigger bug12712
  before insert on t1 for each row set session autocommit = 0;


#
# BUG#NNNN: New bug synopsis
#
#--disable_warnings
#drop procedure if exists bugNNNN|
#--enable_warnings
#create procedure bugNNNN...