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drop procedure if exists empty;
drop procedure if exists code_sample;
create procedure empty()
begin
end;
show procedure code empty;
Pos	Instruction
drop procedure empty;
create function almost_empty()
returns int
return 0;
show function code almost_empty;
Pos	Instruction
0	freturn 3 0
drop function almost_empty;
create procedure code_sample(x int, out err int, out nulls int)
begin
declare count int default 0;
set nulls = 0;
begin
declare c cursor for select name from t1;
declare exit handler for not found close c;
open c;
loop
begin
declare n varchar(20);
declare continue handler for sqlexception set err=1;
fetch c into n;
if isnull(n) then
set nulls = nulls + 1;
else
set count = count + 1;
update t2 set idx = count where name=n;
end if;
end;
end loop;
end;
select t.name, t.idx from t2 t order by idx asc;
end//
show procedure code code_sample;
Pos	Instruction
0	set count@3 0
1	set nulls@2 0
2	cpush c@0: select name from t1
3	hpush_jump 6 4 EXIT HANDLER FOR NOT FOUND
4	cclose c@0
5	hreturn 0 19
6	copen c@0
7	set n@4 NULL
8	hpush_jump 11 5 CONTINUE HANDLER FOR SQLEXCEPTION
9	set err@1 1
10	hreturn 5
11	cfetch c@0 n@4
12	jump_if_not 15(17) isnull(n@4)
13	set nulls@2 (nulls@2 + 1)
14	jump 17
15	set count@3 (count@3 + 1)
16	stmt "update t2 set idx = count where name=n"
17	hpop
18	jump 7
19	hpop
20	cpop 1
21	stmt "select t.name, t.idx from t2 t order ..."
drop procedure code_sample;
drop procedure if exists sudoku_solve;
create procedure sudoku_solve(p_naive boolean, p_all boolean)
deterministic
modifies sql data
begin
drop temporary table if exists sudoku_work, sudoku_schedule;
create temporary table sudoku_work
(
row smallint not null,
col smallint not null,
dig smallint not null,
cnt smallint,
key using btree (cnt),
key using btree (row),
key using btree (col),
unique key using hash (row,col)
);
create temporary table sudoku_schedule
(
idx int not null auto_increment primary key,
row smallint not null,
col smallint not null
);
call sudoku_init();
if p_naive then
update sudoku_work set cnt = 0 where dig = 0;
else
call sudoku_count();
end if;
insert into sudoku_schedule (row,col)
select row,col from sudoku_work where cnt is not null order by cnt desc;
begin
declare v_scounter bigint default 0;
declare v_i smallint default 1;
declare v_dig smallint;
declare v_schedmax smallint;
select count(*) into v_schedmax from sudoku_schedule;
more: 
loop
begin
declare v_tcounter bigint default 0;
sched:
while v_i <= v_schedmax do
begin
declare v_row, v_col smallint;
select row,col into v_row,v_col from sudoku_schedule where v_i = idx;
select dig into v_dig from sudoku_work
where v_row = row and v_col = col;
case v_dig
when 0 then
set v_dig = 1;
update sudoku_work set dig = 1
where v_row = row and v_col = col;
when 9 then
if v_i > 0 then
update sudoku_work set dig = 0
where v_row = row and v_col = col;
set v_i = v_i - 1;
iterate sched;
else
select v_scounter as 'Solutions';
leave more;
end if;
else
set v_dig = v_dig + 1;
update sudoku_work set dig = v_dig
where v_row = row and v_col = col;
end case;
set v_tcounter = v_tcounter + 1;
if not sudoku_digit_ok(v_row, v_col, v_dig) then
iterate sched;
end if;
set v_i = v_i + 1;
end;
end while sched;
select dig from sudoku_work;
select v_tcounter as 'Tests';
set v_scounter = v_scounter + 1;
if p_all and v_i > 0 then
set v_i = v_i - 1;
else
leave more;
end if;
end;
end loop more;
end;
drop temporary table sudoku_work, sudoku_schedule;
end//
show procedure code sudoku_solve;
Pos	Instruction
0	stmt "drop temporary table if exists sudoku..."
1	stmt "create temporary table sudoku_work ( ..."
2	stmt "create temporary table sudoku_schedul..."
3	stmt "call sudoku_init()"
4	jump_if_not 7(8) p_naive@0
5	stmt "update sudoku_work set cnt = 0 where ..."
6	jump 8
7	stmt "call sudoku_count()"
8	stmt "insert into sudoku_schedule (row,col)..."
9	set v_scounter@2 0
10	set v_i@3 1
11	set v_dig@4 NULL
12	set v_schedmax@5 NULL
13	stmt "select count(*) into v_schedmax from ..."
14	set v_tcounter@6 0
15	jump_if_not 39(39) (v_i@3 <= v_schedmax@5)
16	set v_row@7 NULL
17	set v_col@8 NULL
18	stmt "select row,col into v_row,v_col from ..."
19	stmt "select dig into v_dig from sudoku_wor..."
20	set_case_expr (34) 0 v_dig@4
21	jump_if_not_case_when 25(34) (case_expr@0 = 0)
22	set v_dig@4 1
23	stmt "update sudoku_work set dig = 1 where ..."
24	jump 34
25	jump_if_not_case_when 32(34) (case_expr@0 = 9)
26	jump_if_not 30(34) (v_i@3 > 0)
27	stmt "update sudoku_work set dig = 0 where ..."
28	set v_i@3 (v_i@3 - 1)
29	jump 15
30	stmt "select v_scounter as 'Solutions'"
31	jump 45
32	set v_dig@4 (v_dig@4 + 1)
33	stmt "update sudoku_work set dig = v_dig wh..."
34	set v_tcounter@6 (v_tcounter@6 + 1)
35	jump_if_not 37(37) (not(`sudoku_digit_ok`(v_row@7,v_col@8,v_dig@4)))
36	jump 15
37	set v_i@3 (v_i@3 + 1)
38	jump 15
39	stmt "select dig from sudoku_work"
40	stmt "select v_tcounter as 'Tests'"
41	set v_scounter@2 (v_scounter@2 + 1)
42	jump_if_not 45(14) (p_all@1 and (v_i@3 > 0))
43	set v_i@3 (v_i@3 - 1)
44	jump 14
45	stmt "drop temporary table sudoku_work, sud..."
drop procedure sudoku_solve;
DROP PROCEDURE IF EXISTS proc_19194_simple;
DROP PROCEDURE IF EXISTS proc_19194_searched;
DROP PROCEDURE IF EXISTS proc_19194_nested_1;
DROP PROCEDURE IF EXISTS proc_19194_nested_2;
DROP PROCEDURE IF EXISTS proc_19194_nested_3;
DROP PROCEDURE IF EXISTS proc_19194_nested_4;
CREATE PROCEDURE proc_19194_simple(i int)
BEGIN
DECLARE str CHAR(10);
CASE i
WHEN 1 THEN SET str="1";
WHEN 2 THEN SET str="2";
WHEN 3 THEN SET str="3";
ELSE SET str="unknown";
END CASE;
SELECT str;
END|
CREATE PROCEDURE proc_19194_searched(i int)
BEGIN
DECLARE str CHAR(10);
CASE
WHEN i=1 THEN SET str="1";
WHEN i=2 THEN SET str="2";
WHEN i=3 THEN SET str="3";
ELSE SET str="unknown";
END CASE;
SELECT str;
END|
CREATE PROCEDURE proc_19194_nested_1(i int, j int)
BEGIN
DECLARE str_i CHAR(10);
DECLARE str_j CHAR(10);
CASE i
WHEN 10 THEN SET str_i="10";
WHEN 20 THEN
BEGIN
set str_i="20";
CASE
WHEN j=1 THEN SET str_j="1";
WHEN j=2 THEN SET str_j="2";
WHEN j=3 THEN SET str_j="3";
ELSE SET str_j="unknown";
END CASE;
select "i was 20";
END;
WHEN 30 THEN SET str_i="30";
WHEN 40 THEN SET str_i="40";
ELSE SET str_i="unknown";
END CASE;
SELECT str_i, str_j;
END|
CREATE PROCEDURE proc_19194_nested_2(i int, j int)
BEGIN
DECLARE str_i CHAR(10);
DECLARE str_j CHAR(10);
CASE
WHEN i=10 THEN SET str_i="10";
WHEN i=20 THEN
BEGIN
set str_i="20";
CASE j
WHEN 1 THEN SET str_j="1";
WHEN 2 THEN SET str_j="2";
WHEN 3 THEN SET str_j="3";
ELSE SET str_j="unknown";
END CASE;
select "i was 20";
END;
WHEN i=30 THEN SET str_i="30";
WHEN i=40 THEN SET str_i="40";
ELSE SET str_i="unknown";
END CASE;
SELECT str_i, str_j;
END|
CREATE PROCEDURE proc_19194_nested_3(i int, j int)
BEGIN
DECLARE str_i CHAR(10);
DECLARE str_j CHAR(10);
CASE i
WHEN 10 THEN SET str_i="10";
WHEN 20 THEN
BEGIN
set str_i="20";
CASE j
WHEN 1 THEN SET str_j="1";
WHEN 2 THEN SET str_j="2";
WHEN 3 THEN SET str_j="3";
ELSE SET str_j="unknown";
END CASE;
select "i was 20";
END;
WHEN 30 THEN SET str_i="30";
WHEN 40 THEN SET str_i="40";
ELSE SET str_i="unknown";
END CASE;
SELECT str_i, str_j;
END|
CREATE PROCEDURE proc_19194_nested_4(i int, j int)
BEGIN
DECLARE str_i CHAR(10);
DECLARE str_j CHAR(10);
CASE
WHEN i=10 THEN SET str_i="10";
WHEN i=20 THEN
BEGIN
set str_i="20";
CASE
WHEN j=1 THEN SET str_j="1";
WHEN j=2 THEN SET str_j="2";
WHEN j=3 THEN SET str_j="3";
ELSE SET str_j="unknown";
END CASE;
select "i was 20";
END;
WHEN i=30 THEN SET str_i="30";
WHEN i=40 THEN SET str_i="40";
ELSE SET str_i="unknown";
END CASE;
SELECT str_i, str_j;
END|
SHOW PROCEDURE CODE proc_19194_simple;
Pos	Instruction
0	set str@1 NULL
1	set_case_expr (12) 0 i@0
2	jump_if_not_case_when 5(12) (case_expr@0 = 1)
3	set str@1 '1'
4	jump 12
5	jump_if_not_case_when 8(12) (case_expr@0 = 2)
6	set str@1 '2'
7	jump 12
8	jump_if_not_case_when 11(12) (case_expr@0 = 3)
9	set str@1 '3'
10	jump 12
11	set str@1 'unknown'
12	stmt "SELECT str"
SHOW PROCEDURE CODE proc_19194_searched;
Pos	Instruction
0	set str@1 NULL
1	jump_if_not 4(11) (i@0 = 1)
2	set str@1 '1'
3	jump 11
4	jump_if_not 7(11) (i@0 = 2)
5	set str@1 '2'
6	jump 11
7	jump_if_not 10(11) (i@0 = 3)
8	set str@1 '3'
9	jump 11
10	set str@1 'unknown'
11	stmt "SELECT str"
SHOW PROCEDURE CODE proc_19194_nested_1;
Pos	Instruction
0	set str_i@2 NULL
1	set str_j@3 NULL
2	set_case_expr (27) 0 i@0
3	jump_if_not_case_when 6(27) (case_expr@0 = 10)
4	set str_i@2 '10'
5	jump 27
6	jump_if_not_case_when 20(27) (case_expr@0 = 20)
7	set str_i@2 '20'
8	jump_if_not 11(18) (j@1 = 1)
9	set str_j@3 '1'
10	jump 18
11	jump_if_not 14(18) (j@1 = 2)
12	set str_j@3 '2'
13	jump 18
14	jump_if_not 17(18) (j@1 = 3)
15	set str_j@3 '3'
16	jump 18
17	set str_j@3 'unknown'
18	stmt "select "i was 20""
19	jump 27
20	jump_if_not_case_when 23(27) (case_expr@0 = 30)
21	set str_i@2 '30'
22	jump 27
23	jump_if_not_case_when 26(27) (case_expr@0 = 40)
24	set str_i@2 '40'
25	jump 27
26	set str_i@2 'unknown'
27	stmt "SELECT str_i, str_j"
SHOW PROCEDURE CODE proc_19194_nested_2;
Pos	Instruction
0	set str_i@2 NULL
1	set str_j@3 NULL
2	jump_if_not 5(27) (i@0 = 10)
3	set str_i@2 '10'
4	jump 27
5	jump_if_not 20(27) (i@0 = 20)
6	set str_i@2 '20'
7	set_case_expr (18) 0 j@1
8	jump_if_not_case_when 11(18) (case_expr@0 = 1)
9	set str_j@3 '1'
10	jump 18
11	jump_if_not_case_when 14(18) (case_expr@0 = 2)
12	set str_j@3 '2'
13	jump 18
14	jump_if_not_case_when 17(18) (case_expr@0 = 3)
15	set str_j@3 '3'
16	jump 18
17	set str_j@3 'unknown'
18	stmt "select "i was 20""
19	jump 27
20	jump_if_not 23(27) (i@0 = 30)
21	set str_i@2 '30'
22	jump 27
23	jump_if_not 26(27) (i@0 = 40)
24	set str_i@2 '40'
25	jump 27
26	set str_i@2 'unknown'
27	stmt "SELECT str_i, str_j"
SHOW PROCEDURE CODE proc_19194_nested_3;
Pos	Instruction
0	set str_i@2 NULL
1	set str_j@3 NULL
2	set_case_expr (28) 0 i@0
3	jump_if_not_case_when 6(28) (case_expr@0 = 10)
4	set str_i@2 '10'
5	jump 28
6	jump_if_not_case_when 21(28) (case_expr@0 = 20)
7	set str_i@2 '20'
8	set_case_expr (19) 1 j@1
9	jump_if_not_case_when 12(19) (case_expr@1 = 1)
10	set str_j@3 '1'
11	jump 19
12	jump_if_not_case_when 15(19) (case_expr@1 = 2)
13	set str_j@3 '2'
14	jump 19
15	jump_if_not_case_when 18(19) (case_expr@1 = 3)
16	set str_j@3 '3'
17	jump 19
18	set str_j@3 'unknown'
19	stmt "select "i was 20""
20	jump 28
21	jump_if_not_case_when 24(28) (case_expr@0 = 30)
22	set str_i@2 '30'
23	jump 28
24	jump_if_not_case_when 27(28) (case_expr@0 = 40)
25	set str_i@2 '40'
26	jump 28
27	set str_i@2 'unknown'
28	stmt "SELECT str_i, str_j"
SHOW PROCEDURE CODE proc_19194_nested_4;
Pos	Instruction
0	set str_i@2 NULL
1	set str_j@3 NULL
2	jump_if_not 5(26) (i@0 = 10)
3	set str_i@2 '10'
4	jump 26
5	jump_if_not 19(26) (i@0 = 20)
6	set str_i@2 '20'
7	jump_if_not 10(17) (j@1 = 1)
8	set str_j@3 '1'
9	jump 17
10	jump_if_not 13(17) (j@1 = 2)
11	set str_j@3 '2'
12	jump 17
13	jump_if_not 16(17) (j@1 = 3)
14	set str_j@3 '3'
15	jump 17
16	set str_j@3 'unknown'
17	stmt "select "i was 20""
18	jump 26
19	jump_if_not 22(26) (i@0 = 30)
20	set str_i@2 '30'
21	jump 26
22	jump_if_not 25(26) (i@0 = 40)
23	set str_i@2 '40'
24	jump 26
25	set str_i@2 'unknown'
26	stmt "SELECT str_i, str_j"
CALL proc_19194_nested_1(10, 1);
str_i	str_j
10	NULL
CALL proc_19194_nested_1(25, 1);
str_i	str_j
unknown	NULL
CALL proc_19194_nested_1(20, 1);
i was 20
i was 20
str_i	str_j
20	1
CALL proc_19194_nested_1(20, 2);
i was 20
i was 20
str_i	str_j
20	2
CALL proc_19194_nested_1(20, 3);
i was 20
i was 20
str_i	str_j
20	3
CALL proc_19194_nested_1(20, 4);
i was 20
i was 20
str_i	str_j
20	unknown
CALL proc_19194_nested_1(30, 1);
str_i	str_j
30	NULL
CALL proc_19194_nested_1(40, 1);
str_i	str_j
40	NULL
CALL proc_19194_nested_1(0, 0);
str_i	str_j
unknown	NULL
CALL proc_19194_nested_2(10, 1);
str_i	str_j
10	NULL
CALL proc_19194_nested_2(25, 1);
str_i	str_j
unknown	NULL
CALL proc_19194_nested_2(20, 1);
i was 20
i was 20
str_i	str_j
20	1
CALL proc_19194_nested_2(20, 2);
i was 20
i was 20
str_i	str_j
20	2
CALL proc_19194_nested_2(20, 3);
i was 20
i was 20
str_i	str_j
20	3
CALL proc_19194_nested_2(20, 4);
i was 20
i was 20
str_i	str_j
20	unknown
CALL proc_19194_nested_2(30, 1);
str_i	str_j
30	NULL
CALL proc_19194_nested_2(40, 1);
str_i	str_j
40	NULL
CALL proc_19194_nested_2(0, 0);
str_i	str_j
unknown	NULL
CALL proc_19194_nested_3(10, 1);
str_i	str_j
10	NULL
CALL proc_19194_nested_3(25, 1);
str_i	str_j
unknown	NULL
CALL proc_19194_nested_3(20, 1);
i was 20
i was 20
str_i	str_j
20	1
CALL proc_19194_nested_3(20, 2);
i was 20
i was 20
str_i	str_j
20	2
CALL proc_19194_nested_3(20, 3);
i was 20
i was 20
str_i	str_j
20	3
CALL proc_19194_nested_3(20, 4);
i was 20
i was 20
str_i	str_j
20	unknown
CALL proc_19194_nested_3(30, 1);
str_i	str_j
30	NULL
CALL proc_19194_nested_3(40, 1);
str_i	str_j
40	NULL
CALL proc_19194_nested_3(0, 0);
str_i	str_j
unknown	NULL
CALL proc_19194_nested_4(10, 1);
str_i	str_j
10	NULL
CALL proc_19194_nested_4(25, 1);
str_i	str_j
unknown	NULL
CALL proc_19194_nested_4(20, 1);
i was 20
i was 20
str_i	str_j
20	1
CALL proc_19194_nested_4(20, 2);
i was 20
i was 20
str_i	str_j
20	2
CALL proc_19194_nested_4(20, 3);
i was 20
i was 20
str_i	str_j
20	3
CALL proc_19194_nested_4(20, 4);
i was 20
i was 20
str_i	str_j
20	unknown
CALL proc_19194_nested_4(30, 1);
str_i	str_j
30	NULL
CALL proc_19194_nested_4(40, 1);
str_i	str_j
40	NULL
CALL proc_19194_nested_4(0, 0);
str_i	str_j
unknown	NULL
DROP PROCEDURE proc_19194_simple;
DROP PROCEDURE proc_19194_searched;
DROP PROCEDURE proc_19194_nested_1;
DROP PROCEDURE proc_19194_nested_2;
DROP PROCEDURE proc_19194_nested_3;
DROP PROCEDURE proc_19194_nested_4;
DROP PROCEDURE IF EXISTS p1;
CREATE PROCEDURE p1() CREATE INDEX idx ON t1 (c1);
SHOW PROCEDURE CODE p1;
Pos	Instruction
0	stmt "CREATE INDEX idx ON t1 (c1)"
DROP PROCEDURE p1;
drop table if exists t1;
drop procedure if exists proc_26977_broken;
drop procedure if exists proc_26977_works;
create table t1(a int unique);
create procedure proc_26977_broken(v int)
begin
declare i int default 5;
declare continue handler for sqlexception
begin
select 'caught something';
retry:
while i > 0 do
begin
set i = i - 1;
select 'looping', i;
end;
end while retry;
end;
select 'do something';
insert into t1 values (v);
select 'do something again';
insert into t1 values (v);
end//
create procedure proc_26977_works(v int)
begin
declare i int default 5;
declare continue handler for sqlexception
begin
select 'caught something';
retry:
while i > 0 do
begin
set i = i - 1;
select 'looping', i;
end;
end while retry;
select 'optimizer: keep hreturn';
end;
select 'do something';
insert into t1 values (v);
select 'do something again';
insert into t1 values (v);
end//
show procedure code proc_26977_broken;
Pos	Instruction
0	set i@1 5
1	hpush_jump 8 2 CONTINUE HANDLER FOR SQLEXCEPTION
2	stmt "select 'caught something'"
3	jump_if_not 7(7) (i@1 > 0)
4	set i@1 (i@1 - 1)
5	stmt "select 'looping', i"
6	jump 3
7	hreturn 2
8	stmt "select 'do something'"
9	stmt "insert into t1 values (v)"
10	stmt "select 'do something again'"
11	stmt "insert into t1 values (v)"
12	hpop
show procedure code proc_26977_works;
Pos	Instruction
0	set i@1 5
1	hpush_jump 9 2 CONTINUE HANDLER FOR SQLEXCEPTION
2	stmt "select 'caught something'"
3	jump_if_not 7(7) (i@1 > 0)
4	set i@1 (i@1 - 1)
5	stmt "select 'looping', i"
6	jump 3
7	stmt "select 'optimizer: keep hreturn'"
8	hreturn 2
9	stmt "select 'do something'"
10	stmt "insert into t1 values (v)"
11	stmt "select 'do something again'"
12	stmt "insert into t1 values (v)"
13	hpop
call proc_26977_broken(1);
do something
do something
do something again
do something again
caught something
caught something
looping	i
looping	4
looping	i
looping	3
looping	i
looping	2
looping	i
looping	1
looping	i
looping	0
call proc_26977_works(2);
do something
do something
do something again
do something again
caught something
caught something
looping	i
looping	4
looping	i
looping	3
looping	i
looping	2
looping	i
looping	1
looping	i
looping	0
optimizer: keep hreturn
optimizer: keep hreturn
drop table t1;
drop procedure proc_26977_broken;
drop procedure proc_26977_works;
drop procedure if exists proc_33618_h;
drop procedure if exists proc_33618_c;
create procedure proc_33618_h(num int)
begin
declare count1 int default '0';
declare vb varchar(30);
declare last_row int;
while(num>=1) do
set num=num-1;
begin
declare cur1 cursor for select `a` from t_33618;
declare continue handler for not found set last_row = 1;
set last_row:=0;
open cur1;
rep1:
repeat
begin
declare exit handler for 1062 begin end;
fetch cur1 into vb;
if (last_row = 1) then
## should generate a hpop instruction here
leave rep1;
end if;
end;
until last_row=1
end repeat;
close cur1;
end;
end while;
end//
create procedure proc_33618_c(num int)
begin
declare count1 int default '0';
declare vb varchar(30);
declare last_row int;
while(num>=1) do
set num=num-1;
begin
declare cur1 cursor for select `a` from t_33618;
declare continue handler for not found set last_row = 1;
set last_row:=0;
open cur1;
rep1:
repeat
begin
declare cur2 cursor for select `b` from t_33618;
fetch cur1 into vb;
if (last_row = 1) then
## should generate a cpop instruction here
leave rep1;
end if;
end;
until last_row=1
end repeat;
close cur1;
end;
end while;
end//
show procedure code proc_33618_h;
Pos	Instruction
0	set count1@1 '0'
1	set vb@2 NULL
2	set last_row@3 NULL
3	jump_if_not 24(24) (num@0 >= 1)
4	set num@0 (num@0 - 1)
5	cpush cur1@0: select `a` from t_33618
6	hpush_jump 9 4 CONTINUE HANDLER FOR NOT FOUND
7	set last_row@3 1
8	hreturn 4
9	set last_row@3 0
10	copen cur1@0
11	hpush_jump 13 4 EXIT HANDLER FOR 1062
12	hreturn 0 17
13	cfetch cur1@0 vb@2
14	jump_if_not 17(17) (last_row@3 = 1)
15	hpop
16	jump 19
17	hpop
18	jump_if_not 11(19) (last_row@3 = 1)
19	cclose cur1@0
20	hpop
21	cpop 1
22	jump 3
show procedure code proc_33618_c;
Pos	Instruction
0	set count1@1 '0'
1	set vb@2 NULL
2	set last_row@3 NULL
3	jump_if_not 23(23) (num@0 >= 1)
4	set num@0 (num@0 - 1)
5	cpush cur1@0: select `a` from t_33618
6	hpush_jump 9 4 CONTINUE HANDLER FOR NOT FOUND
7	set last_row@3 1
8	hreturn 4
9	set last_row@3 0
10	copen cur1@0
11	cpush cur2@1: select `b` from t_33618
12	cfetch cur1@0 vb@2
13	jump_if_not 16(16) (last_row@3 = 1)
14	cpop 1
15	jump 18
16	cpop 1
17	jump_if_not 11(18) (last_row@3 = 1)
18	cclose cur1@0
19	hpop
20	cpop 1
21	jump 3
drop procedure proc_33618_h;
drop procedure proc_33618_c;
drop procedure if exists p_20906_a;
drop procedure if exists p_20906_b;
create procedure p_20906_a() SET @a=@a+1, @b=@b+1;
show procedure code p_20906_a;
Pos	Instruction
0	stmt "SET @a=@a+1"
1	stmt "SET @b=@b+1"
set @a=1;
set @b=1;
call p_20906_a();
select @a, @b;
@a	@b
2	2
create procedure p_20906_b() SET @a=@a+1, @b=@b+1, @c=@c+1;
show procedure code p_20906_b;
Pos	Instruction
0	stmt "SET @a=@a+1"
1	stmt "SET @b=@b+1"
2	stmt "SET @c=@c+1"
set @a=1;
set @b=1;
set @c=1;
call p_20906_b();
select @a, @b, @c;
@a	@b	@c
2	2	2
drop procedure p_20906_a;
drop procedure p_20906_b;
End of 5.0 tests.
CREATE PROCEDURE p1() 
BEGIN 
DECLARE dummy int default 0;
CASE 12 
WHEN 12 
THEN SET dummy = 0;
END CASE;
END//
SHOW PROCEDURE CODE p1;
Pos	Instruction
0	set dummy@0 0
1	set_case_expr (6) 0 12
2	jump_if_not_case_when 5(6) (case_expr@0 = 12)
3	set dummy@0 0
4	jump 6
5	error 1339
DROP PROCEDURE p1;
#
# Bug#23032: Handlers declared in a SP do not handle warnings generated in sub-SP
#

# - Case 4: check that "No Data trumps Warning".

CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (1), (2), (3);
CREATE PROCEDURE p1()
BEGIN
DECLARE c CURSOR FOR SELECT a FROM t1;
OPEN c;
BEGIN
DECLARE v INT;
DECLARE CONTINUE HANDLER FOR SQLWARNING
BEGIN
GET DIAGNOSTICS @n = NUMBER;
GET DIAGNOSTICS CONDITION @n @err_no = MYSQL_ERRNO, @err_txt = MESSAGE_TEXT;
SELECT "Warning found!";
SELECT @err_no, @err_txt;
END;
DECLARE EXIT HANDLER FOR NOT FOUND
BEGIN
GET DIAGNOSTICS @n = NUMBER;
GET DIAGNOSTICS CONDITION @n @err_no = MYSQL_ERRNO, @err_txt = MESSAGE_TEXT;
SELECT "End of Result Set found!";
SELECT @err_no, @err_txt;
END;
WHILE TRUE DO
FETCH c INTO v;
END WHILE;
END;
CLOSE c;
SELECT a INTO @foo FROM t1 LIMIT 1; # Clear warning stack
END|
SET SESSION debug="+d,bug23032_emit_warning";
CALL p1();
Warning found!
Warning found!
@err_no	@err_txt
1105	Unknown error
Warning found!
Warning found!
@err_no	@err_txt
1105	Unknown error
Warning found!
Warning found!
@err_no	@err_txt
1105	Unknown error
End of Result Set found!
End of Result Set found!
@err_no	@err_txt
1329	No data - zero rows fetched, selected, or processed
SET SESSION debug="-d,bug23032_emit_warning";
DROP PROCEDURE p1;
DROP TABLE t1;
#
# Bug#11763507 - 56224: FUNCTION NAME IS CASE-SENSITIVE
#
SET @@SQL_MODE = '';
Warnings:
Warning	3090	Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
CREATE FUNCTION testf_bug11763507() RETURNS INT
BEGIN
RETURN 0;
END
$
CREATE PROCEDURE testp_bug11763507()
BEGIN
SELECT "PROCEDURE testp_bug11763507";
END
$
SHOW FUNCTION CODE testf_bug11763507;
Pos	Instruction
0	freturn 3 0
SHOW FUNCTION CODE TESTF_bug11763507;
Pos	Instruction
0	freturn 3 0
SHOW PROCEDURE CODE testp_bug11763507;
Pos	Instruction
0	stmt "SELECT "PROCEDURE testp_bug11763507""
SHOW PROCEDURE CODE TESTP_bug11763507;
Pos	Instruction
0	stmt "SELECT "PROCEDURE testp_bug11763507""
DROP PROCEDURE testp_bug11763507;
DROP FUNCTION testf_bug11763507;
#END OF BUG#11763507 test.

# WL#4179: Stored programs: validation of stored program statements.
#
# Check that query string is stored only for the expressions, which
# reference tables or stored functions.
#
# Test cases in this file require SHOW ... CODE, which is available only
# in the debug mode.

CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (10);
CREATE TEMPORARY TABLE t2(a INT);
INSERT INTO t2 VALUES (20);
CREATE VIEW t3 AS SELECT 30;
CREATE FUNCTION f() RETURNS INT
RETURN 1|
CREATE PROCEDURE p1()
BEGIN
# DEFAULT-expression
DECLARE x1 INT DEFAULT (SELECT 1 + 2);
DECLARE x2 INT DEFAULT (SELECT * FROM (SELECT 1 + 2) t1);
DECLARE x3 INT DEFAULT (SELECT * FROM t1);
DECLARE x4 INT DEFAULT (SELECT * FROM t2);
DECLARE x5 INT DEFAULT (SELECT * FROM t3);
DECLARE x6 INT DEFAULT (SELECT f());
# CURSOR-query.
DECLARE c1 CURSOR FOR SELECT (1 + 2) FROM dual;
DECLARE c2 CURSOR FOR SELECT * FROM (SELECT 1 + 2) t1;
DECLARE c3 CURSOR FOR SELECT * FROM t1;
DECLARE c4 CURSOR FOR SELECT * FROM t2;
DECLARE c5 CURSOR FOR SELECT * FROM t3;
DECLARE c6 CURSOR FOR SELECT f();
# IF-expression.
IF (SELECT 1 + 2) THEN
SET @dummy = 1;
END IF;
IF (SELECT * FROM (SELECT 1 + 2) t1) THEN
SET @dummy = 1;
END IF;
IF (SELECT * FROM t1) THEN
SET @dummy = 1;
END IF;
IF (SELECT * FROM t2) THEN
SET @dummy = 1;
END IF;
IF (SELECT * FROM t3) THEN
SET @dummy = 1;
END IF;
IF (SELECT f()) THEN
SET @dummy = 1;
END IF;
# SET-expression.
SET x1 = (SELECT 1 + 2);
SET x1 = (SELECT * FROM (SELECT 1 + 2) t1);
SET x1 = (SELECT * FROM t1);
SET x1 = (SELECT * FROM t2);
SET x1 = (SELECT * FROM t3);
SET x1 = (SELECT f());
# CASE-expressions.
CASE
WHEN (SELECT 1 + 2) = 1                     THEN SET @dummy = 1;
WHEN (SELECT * FROM (SELECT 1 + 2) t1) = 2  THEN SET @dummy = 1;
WHEN (SELECT * FROM t1) = 3                 THEN SET @dummy = 1;
WHEN (SELECT * FROM t2) = 3                 THEN SET @dummy = 1;
WHEN (SELECT * FROM t3) = 3                 THEN SET @dummy = 1;
WHEN (SELECT f()) = 3                       THEN SET @dummy = 1;
END CASE;
CASE (SELECT 1 + 2)
WHEN 1 THEN SET @dummy = 1;
ELSE SET @dummy = 1;
END CASE;
CASE (SELECT * FROM (SELECT 1 + 2) t1)
WHEN 1 THEN SET @dummy = 1;
ELSE SET @dummy = 1;
END CASE;
CASE (SELECT * FROM t1)
WHEN 1 THEN SET @dummy = 1;
ELSE SET @dummy = 1;
END CASE;
CASE (SELECT * FROM t2)
WHEN 1 THEN SET @dummy = 1;
ELSE SET @dummy = 1;
END CASE;
CASE (SELECT * FROM t3)
WHEN 1 THEN SET @dummy = 1;
ELSE SET @dummy = 1;
END CASE;
CASE (SELECT f())
WHEN 1 THEN SET @dummy = 1;
ELSE SET @dummy = 1;
END CASE;
# WHILE-expression.
WHILE (SELECT 1 - 1) DO
SET @dummy = 1;
END WHILE;
WHILE (SELECT * FROM (SELECT 1 - 1) t1) DO
SET @dummy = 1;
END WHILE;
WHILE (SELECT * FROM t1) - 10 DO
SET @dummy = 1;
END WHILE;
WHILE (SELECT * FROM t2) - 10 DO
SET @dummy = 1;
END WHILE;
WHILE (SELECT * FROM t3) - 10 DO
SET @dummy = 1;
END WHILE;
WHILE (SELECT f()) - 1 DO
SET @dummy = 1;
END WHILE;
# REPEAT-expression.
REPEAT
SET @dummy = 1;
UNTIL (SELECT 1 - 1) END REPEAT;
REPEAT
SET @dummy = 1;
UNTIL (SELECT * FROM (SELECT 1 - 1) t1) END REPEAT;
REPEAT
SET @dummy = 1;
UNTIL (SELECT * FROM t1) - 10 END REPEAT;
REPEAT
SET @dummy = 1;
UNTIL (SELECT * FROM t2) - 10 END REPEAT;
REPEAT
SET @dummy = 1;
UNTIL (SELECT * FROM t3) - 10 END REPEAT;
REPEAT
SET @dummy = 1;
UNTIL (SELECT f()) - 1 END REPEAT;
END|
CREATE FUNCTION f1() RETURNS INT
RETURN (SELECT 1 + 2)|
CREATE FUNCTION f2() RETURNS INT
RETURN (SELECT * FROM (SELECT 1 + 2) t1)|
CREATE FUNCTION f3() RETURNS INT
RETURN (SELECT * FROM t1)|
CREATE FUNCTION f4() RETURNS INT
RETURN (SELECT * FROM t2)|
CREATE FUNCTION f5() RETURNS INT
RETURN (SELECT * FROM t3)|
CREATE FUNCTION f6() RETURNS INT
RETURN f()|

SHOW PROCEDURE CODE p1;
Pos	Instruction
0	set x1@0 (select (1 + 2))
1	set x2@1 (select `*` from (select (1 + 2) AS `1 + 2`) `t1`)
2	set x3@2 (select `*` from `test`.`t1`)
3	set x4@3 (select `*` from `test`.`t2`)
4	set x5@4 (select `*` from `test`.`t3`)
5	set x6@5 (select `f`())
6	cpush c1@0:
7	cpush c2@1: SELECT * FROM (SELECT 1 + 2) t1
8	cpush c3@2: SELECT * FROM t1
9	cpush c4@3: SELECT * FROM t2
10	cpush c5@4: SELECT * FROM t3
11	cpush c6@5: SELECT f()
12	jump_if_not 14(14) (select (1 + 2))
13	stmt "SET @dummy = 1"
14	jump_if_not 16(16) (select `*` from (select (1 + 2) AS `1 + 2`) `t1`)
15	stmt "SET @dummy = 1"
16	jump_if_not 18(18) (select `*` from `test`.`t1`)
17	stmt "SET @dummy = 1"
18	jump_if_not 20(20) (select `*` from `test`.`t2`)
19	stmt "SET @dummy = 1"
20	jump_if_not 22(22) (select `*` from `test`.`t3`)
21	stmt "SET @dummy = 1"
22	jump_if_not 24(24) (select `f`())
23	stmt "SET @dummy = 1"
24	set x1@0 (select (1 + 2))
25	set x1@0 (select `*` from (select (1 + 2) AS `1 + 2`) `t1`)
26	set x1@0 (select `*` from `test`.`t1`)
27	set x1@0 (select `*` from `test`.`t2`)
28	set x1@0 (select `*` from `test`.`t3`)
29	set x1@0 (select `f`())
30	jump_if_not 33(49) ((select (1 + 2)) = 1)
31	stmt "SET @dummy = 1"
32	jump 49
33	jump_if_not 36(49) ((select `*` from (select (1 + 2) AS `1 + 2`) `t1`) = 2)
34	stmt "SET @dummy = 1"
35	jump 49
36	jump_if_not 39(49) ((select `*` from `test`.`t1`) = 3)
37	stmt "SET @dummy = 1"
38	jump 49
39	jump_if_not 42(49) ((select `*` from `test`.`t2`) = 3)
40	stmt "SET @dummy = 1"
41	jump 49
42	jump_if_not 45(49) ((select `*` from `test`.`t3`) = 3)
43	stmt "SET @dummy = 1"
44	jump 49
45	jump_if_not 48(49) ((select `f`()) = 3)
46	stmt "SET @dummy = 1"
47	jump 49
48	error 1339
49	set_case_expr (54) 0 (select (1 + 2))
50	jump_if_not_case_when 53(54) (case_expr@0 = 1)
51	stmt "SET @dummy = 1"
52	jump 54
53	stmt "SET @dummy = 1"
54	set_case_expr (59) 1 (select `*` from (select (1 + 2) AS `1 + 2`) `t1`)
55	jump_if_not_case_when 58(59) (case_expr@1 = 1)
56	stmt "SET @dummy = 1"
57	jump 59
58	stmt "SET @dummy = 1"
59	set_case_expr (64) 2 (select `*` from `test`.`t1`)
60	jump_if_not_case_when 63(64) (case_expr@2 = 1)
61	stmt "SET @dummy = 1"
62	jump 64
63	stmt "SET @dummy = 1"
64	set_case_expr (69) 3 (select `*` from `test`.`t2`)
65	jump_if_not_case_when 68(69) (case_expr@3 = 1)
66	stmt "SET @dummy = 1"
67	jump 69
68	stmt "SET @dummy = 1"
69	set_case_expr (74) 4 (select `*` from `test`.`t3`)
70	jump_if_not_case_when 73(74) (case_expr@4 = 1)
71	stmt "SET @dummy = 1"
72	jump 74
73	stmt "SET @dummy = 1"
74	set_case_expr (79) 5 (select `f`())
75	jump_if_not_case_when 78(79) (case_expr@5 = 1)
76	stmt "SET @dummy = 1"
77	jump 79
78	stmt "SET @dummy = 1"
79	jump_if_not 82(82) (select (1 - 1))
80	stmt "SET @dummy = 1"
81	jump 79
82	jump_if_not 85(85) (select `*` from (select (1 - 1) AS `1 - 1`) `t1`)
83	stmt "SET @dummy = 1"
84	jump 82
85	jump_if_not 88(88) ((select `*` from `test`.`t1`) - 10)
86	stmt "SET @dummy = 1"
87	jump 85
88	jump_if_not 91(91) ((select `*` from `test`.`t2`) - 10)
89	stmt "SET @dummy = 1"
90	jump 88
91	jump_if_not 94(94) ((select `*` from `test`.`t3`) - 10)
92	stmt "SET @dummy = 1"
93	jump 91
94	jump_if_not 97(97) ((select `f`()) - 1)
95	stmt "SET @dummy = 1"
96	jump 94
97	stmt "SET @dummy = 1"
98	jump_if_not 97(99) (select (1 - 1))
99	stmt "SET @dummy = 1"
100	jump_if_not 99(101) (select `*` from (select (1 - 1) AS `1 - 1`) `t1`)
101	stmt "SET @dummy = 1"
102	jump_if_not 101(103) ((select `*` from `test`.`t1`) - 10)
103	stmt "SET @dummy = 1"
104	jump_if_not 103(105) ((select `*` from `test`.`t2`) - 10)
105	stmt "SET @dummy = 1"
106	jump_if_not 105(107) ((select `*` from `test`.`t3`) - 10)
107	stmt "SET @dummy = 1"
108	jump_if_not 107(109) ((select `f`()) - 1)
109	cpop 6

SHOW FUNCTION CODE f1;
Pos	Instruction
0	freturn 3 (select (1 + 2))
SHOW FUNCTION CODE f2;
Pos	Instruction
0	freturn 3 (select `*` from (select (1 + 2) AS `1 + 2`) `t1`)
SHOW FUNCTION CODE f3;
Pos	Instruction
0	freturn 3 (select `*` from `test`.`t1`)
SHOW FUNCTION CODE f4;
Pos	Instruction
0	freturn 3 (select `*` from `test`.`t2`)
SHOW FUNCTION CODE f5;
Pos	Instruction
0	freturn 3 (select `*` from `test`.`t3`)
SHOW FUNCTION CODE f6;
Pos	Instruction
0	freturn 3 `f`()

DROP FUNCTION f;
DROP PROCEDURE p1;
DROP FUNCTION f1;
DROP FUNCTION f2;
DROP FUNCTION f3;
DROP FUNCTION f4;
DROP FUNCTION f5;
DROP FUNCTION f6;
DROP TABLE t1;
DROP TEMPORARY TABLE t2;
DROP VIEW t3;

# SHOW ... CODE
#
CREATE PROCEDURE p11_many_handlers ()
BEGIN
DECLARE CONTINUE HANDLER FOR 1050             SELECT "1050 for 401a, please";
DECLARE EXIT     HANDLER FOR NOT FOUND        SELECT "a place not found";
DECLARE CONTINUE HANDLER FOR SQLWARNING       SELECT "a warn place";
DECLARE EXIT     HANDLER FOR SQLEXCEPTION     SELECT "an exceptional place";
DECLARE CONTINUE HANDLER FOR SQLSTATE '01000' SELECT "state of the nation";
BEGIN
DECLARE EXIT   HANDLER FOR NOT FOUND, 1,2   SELECT "multi multi";
END;
END|
SHOW PROCEDURE CODE p11_many_handlers;
Pos	Instruction
0	hpush_jump 3 0 CONTINUE HANDLER FOR 1050
1	stmt "SELECT "1050 for 401a, please""
2	hreturn 0
3	hpush_jump 6 0 EXIT HANDLER FOR NOT FOUND
4	stmt "SELECT "a place not found""
5	hreturn 0 19
6	hpush_jump 9 0 CONTINUE HANDLER FOR SQLWARNING
7	stmt "SELECT "a warn place""
8	hreturn 0
9	hpush_jump 12 0 EXIT HANDLER FOR SQLEXCEPTION
10	stmt "SELECT "an exceptional place""
11	hreturn 0 19
12	hpush_jump 15 0 CONTINUE HANDLER FOR SQLSTATE '01000'
13	stmt "SELECT "state of the nation""
14	hreturn 0
15	hpush_jump 18 0 EXIT HANDLER FOR NOT FOUND, 1, 2
16	stmt "SELECT "multi multi""
17	hreturn 0 18
18	hpop
19	hpop
DROP PROCEDURE p11_many_handlers;