path: root/mysql-test/r/ps_ddl.result

drop temporary table if exists t1, t2, t3;
drop table if exists t1, t2, t3;
drop procedure if exists p_verify_reprepare_count;
drop procedure if exists p1;
drop function if exists f1;
drop view if exists v1, v2;
create procedure p_verify_reprepare_count(expected int)
begin
declare old_reprepare_count int default @reprepare_count;
select variable_value from
information_schema.session_status where
variable_name='com_stmt_reprepare'
  into @reprepare_count;
if old_reprepare_count + expected <> @reprepare_count then
select concat("Expected: ", expected,
", actual: ", @reprepare_count - old_reprepare_count)
as "ERROR";
else
select '' as "SUCCESS";
end if;
end|
set @reprepare_count= 0;
flush status;
=====================================================================
Part 1: NOTHING -> TABLE transitions
=====================================================================
prepare stmt from "select * from t1";
ERROR 42S02: Table 'test.t1' doesn't exist
=====================================================================
Part 2: NOTHING -> TEMPORARY TABLE transitions
=====================================================================
=====================================================================
Part 3: NOTHING -> VIEW transitions
=====================================================================
=====================================================================
Part 4: TABLE -> NOTHING transitions
=====================================================================
create table t1 (a int);
prepare stmt from "select * from t1";
execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

drop table t1;
execute stmt;
ERROR 42S02: Table 'test.t1' doesn't exist
call p_verify_reprepare_count(0);
SUCCESS

execute stmt;
ERROR 42S02: Table 'test.t1' doesn't exist
call p_verify_reprepare_count(0);
SUCCESS

deallocate prepare stmt;
=====================================================================
Part 5: TABLE -> TABLE (DDL) transitions
=====================================================================
create table t1 (a int);
prepare stmt from "select a from t1";
execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

alter table t1 add column (b int);
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

drop table t1;
deallocate prepare stmt;
=====================================================================
Part 6: TABLE -> TABLE (TRIGGER) transitions
=====================================================================
# Test 6-a: adding a relevant trigger
create table t1 (a int);
prepare stmt from "insert into t1 (a) value (?)";
set @val=1;
execute stmt using @val;
call p_verify_reprepare_count(0);
SUCCESS

create trigger t1_bi before insert on t1 for each row
set @message= new.a;
set @val=2;
execute stmt using @val;
call p_verify_reprepare_count(1);
SUCCESS

select @message;
@message
2
set @val=3;
execute stmt using @val;
call p_verify_reprepare_count(0);
SUCCESS

select @message;
@message
3
prepare stmt from "insert into t1 (a) value (?)";
set @val=4;
execute stmt using @val;
call p_verify_reprepare_count(0);
SUCCESS

select @message;
@message
4
# Test 6-b: adding an irrelevant trigger
create trigger t1_bd before delete on t1 for each row
set @message= old.a;
set @val=5;
execute stmt using @val;
call p_verify_reprepare_count(1);
SUCCESS

select @message;
@message
5
set @val=6;
execute stmt using @val;
call p_verify_reprepare_count(0);
SUCCESS

select @message;
@message
6
prepare stmt from "insert into t1 (a) value (?)";
set @val=7;
execute stmt using @val;
call p_verify_reprepare_count(0);
SUCCESS

select @message;
@message
7
# Test 6-c: changing a relevant trigger
drop trigger t1_bi;
create trigger t1_bi before insert on t1 for each row
set @message= concat("new trigger: ", new.a);
set @val=8;
execute stmt using @val;
call p_verify_reprepare_count(1);
SUCCESS

select @message;
@message
new trigger: 8
set @val=9;
execute stmt using @val;
call p_verify_reprepare_count(0);
SUCCESS

select @message;
@message
new trigger: 9
prepare stmt from "insert into t1 (a) value (?)";
set @val=10;
execute stmt using @val;
call p_verify_reprepare_count(0);
SUCCESS

select @message;
@message
new trigger: 10
# Test 6-d: changing an irrelevant trigger
drop trigger t1_bd;
set @val=11;
execute stmt using @val;
call p_verify_reprepare_count(1);
SUCCESS

select @message;
@message
new trigger: 11
drop trigger t1_bi;
set @val=12;
execute stmt using @val;
call p_verify_reprepare_count(1);
SUCCESS

select @message;
@message
new trigger: 11
set @val=13;
execute stmt using @val;
call p_verify_reprepare_count(0);
SUCCESS

select @message;
@message
new trigger: 11
prepare stmt from "insert into t1 (a) value (?)";
set @val=14;
execute stmt using @val;
call p_verify_reprepare_count(0);
SUCCESS

select @message;
@message
new trigger: 11
select * from t1 order by a;
a
1
2
3
4
5
6
7
8
9
10
11
12
13
14
drop table t1;
deallocate prepare stmt;
=====================================================================
Part 7: TABLE -> TABLE (TRIGGER dependencies) transitions
=====================================================================
# Test 7-a: dependent PROCEDURE has changed
#
# Note, this scenario is not supported, subject of Bug#12093
#
create table t1 (a int);
create trigger t1_ai after insert on t1 for each row
call p1(new.a);
create procedure p1(a int) begin end;
prepare stmt from "insert into t1 (a) values (?)";
set @var= 1;
execute stmt using @var;
drop procedure p1;
create procedure p1 (a int) begin end;
set @var= 2;
execute stmt using @var;
ERROR 42000: PROCEDURE test.p1 does not exist
# Cleanup
drop procedure p1;
call p_verify_reprepare_count(0);
SUCCESS

# Test 7-b: dependent FUNCTION has changed
#
# Note, this scenario is not supported, subject of Bug#12093
#
drop trigger t1_ai;
create trigger t1_ai after insert on t1 for  each row
select f1(new.a+1) into @var;
create function f1 (a int) returns int return a;
prepare stmt from "insert into t1(a) values (?)";
set @var=3;
execute stmt using @var;
select @var;
@var
4
drop function f1;
create function f1 (a int) returns int return 0;
execute stmt using @var;
ERROR 42000: FUNCTION test.f1 does not exist
call p_verify_reprepare_count(0);
SUCCESS

drop function f1;
deallocate prepare stmt;
# Test 7-c: dependent VIEW has changed
#
# Note, this scenario is not functioning correctly, see
# Bug#33255 Trigger using views and view ddl : corrupted triggers
# and Bug #33000 Triggers do not detect changes in meta-data.
#
drop trigger t1_ai;
create table t2 (a int unique);
create table t3 (a int unique);
create view v1 as select a from t2;
create trigger t1_ai after insert on t1 for each row
insert into v1 (a) values (new.a);
# Demonstrate that the same bug is present
# without prepared statements
insert into t1 (a) values (5);
select * from t2;
a
5
select * from t3;
a
drop view v1;
create view v1 as select a from t3;
insert into t1 (a) values (6);
ERROR 42S02: Table 'test.t2' doesn't exist
flush table t1;
insert into t1 (a) values (6);
select * from t2;
a
5
select * from t3;
a
6
prepare stmt from "insert into t1 (a) values (?)";
set @var=7;
execute stmt using @var;
call p_verify_reprepare_count(0);
SUCCESS

select * from t3;
a
6
7
select * from t2;
a
5
drop view v1;
create view v1 as select a from t2;
set @var=8;
execute stmt using @var;
call p_verify_reprepare_count(0);
SUCCESS

#
# Sic: the insert went into t3, even though the view now
# points at t2. This is because neither the merged view
#  nor its prelocking list are affected by view DDL 
# The binary log is of course wrong, since it is not
# using prepared statements
#
select * from t2;
a
5
select * from t3;
a
6
7
8
flush table t1;
set @var=9;
execute stmt using @var;
call p_verify_reprepare_count(1);
SUCCESS

select * from t2;
a
5
9
select * from t3;
a
6
7
8
drop view v1;
drop table t1,t2,t3;
# Test 7-d: dependent TABLE has changed
create table t1 (a int);
create trigger t1_ai after insert on t1 for each row
insert into t2 (a) values (new.a);
create table t2 (a int);
prepare stmt from "insert into t1 (a) values (?)";
set @var=1;
execute stmt using @var;
alter table t2 add column comment varchar(255);
set @var=2;
# Since the dependent table is tracked in the prelocked
# list of the prepared statement, invalidation happens
# and the statement is re-prepared. This is an unnecessary
# side effect, since the statement that *is* dependent 
# on t2 definition is inside the trigger, and it is currently
# not reprepared (see the previous test case).
execute stmt using @var;
call p_verify_reprepare_count(1);
SUCCESS

select * from t1;
a
1
2
select * from t2;
a	comment
1	NULL
2	NULL
drop table t1,t2;
# Test 7-e: dependent TABLE TRIGGER has changed
create table t1 (a int);
create trigger t1_ai after insert on t1 for each row 
insert into t2 (a) values (new.a);
create table t2 (a int unique);
create trigger t2_ai after insert on t2 for each row
insert into t3 (a) values (new.a);
create table t3 (a int unique);
create table t4 (a int unique);
insert into t1 (a) values (1);
select * from t1 join t2 on (t1.a=t2.a) join t3 on (t2.a=t3.a);
a	a	a
1	1	1
drop trigger t2_ai;
create trigger t2_ai after insert on t2 for each row
insert into t4 (a) values (new.a);
insert into t1 (a) values (2);
select * from t1 join t2 on (t1.a=t2.a) join t4 on (t2.a=t4.a);
a	a	a
2	2	2
prepare stmt from "insert into t1 (a) values (?)";
set @var=3;
execute stmt using @var;
select * from t1 join t2 on (t1.a=t2.a) join t4 on (t2.a=t4.a);
a	a	a
2	2	2
3	3	3
drop trigger t2_ai;
create trigger t2_ai after insert on t2 for each row
insert into t3 (a) values (new.a);
set @var=4;
execute stmt using @var;
call p_verify_reprepare_count(1);
SUCCESS

select * from t1 join t2 on (t1.a=t2.a) join t3 on (t2.a=t3.a);
a	a	a
1	1	1
4	4	4
select * from t1 join t2 on (t1.a=t2.a) join t4 on (t2.a=t4.a);
a	a	a
2	2	2
3	3	3
drop table t1, t2, t3, t4;
deallocate prepare stmt;
=====================================================================
Part 8: TABLE -> TEMPORARY TABLE transitions
=====================================================================
create table t1 (a int);
prepare stmt from "select * from t1";
execute stmt;
a
drop table t1;
create temporary table t1 (a int);
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

drop table t1;
deallocate prepare stmt;
=====================================================================
Part 9: TABLE -> VIEW transitions
=====================================================================
create table t1 (a int);
prepare stmt from "select * from t1";
execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

drop table t1;
create table t2 (a int);
create view t1 as select * from t2;
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

drop view t1;
drop table t2;
deallocate prepare stmt;
=====================================================================
Part 10: TEMPORARY TABLE -> NOTHING transitions
=====================================================================
create temporary table t1 (a int);
prepare stmt from "select * from t1";
execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

drop temporary table t1;
execute stmt;
ERROR 42S02: Table 'test.t1' doesn't exist
call p_verify_reprepare_count(0);
SUCCESS

deallocate prepare stmt;
=====================================================================
Part 11: TEMPORARY TABLE -> TABLE transitions
=====================================================================
create table t1 (a int);
insert into t1 (a) value (1);
create temporary table t1 (a int);
prepare stmt from "select * from t1";
execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

drop temporary table t1;
execute stmt;
a
1
call p_verify_reprepare_count(1);
SUCCESS

select * from t1;
a
1
drop table t1;
deallocate prepare stmt;
=====================================================================
Part 12: TEMPORARY TABLE -> TEMPORARY TABLE (DDL) transitions
=====================================================================
create temporary table t1 (a int);
prepare stmt from "select a from t1";
execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

drop temporary table t1;
create temporary table t1 (a int, b int);
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

select * from t1;
a	b
drop temporary table t1;
deallocate prepare stmt;
=====================================================================
Part 13: TEMPORARY TABLE -> VIEW transitions
=====================================================================
create temporary table t1 (a int);
create table t2 (a int);
prepare stmt from "select * from t1";
execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

drop temporary table t1;
create view t1 as select * from t2;
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

drop view t1;
drop table t2;
deallocate prepare stmt;
=====================================================================
Part 14: VIEW -> NOTHING transitions
=====================================================================
create table t2 (a int);
create view t1 as select * from t2;
prepare stmt from "select * from t1";
execute stmt;
a
drop view t1;
execute stmt;
ERROR 42S02: Table 'test.t1' doesn't exist
call p_verify_reprepare_count(0);
SUCCESS

execute stmt;
ERROR 42S02: Table 'test.t1' doesn't exist
call p_verify_reprepare_count(0);
SUCCESS

drop table t2;
deallocate prepare stmt;
=====================================================================
Part 15: VIEW -> TABLE transitions
=====================================================================
create table t2 (a int);
create view t1 as select * from t2;
prepare stmt from "select * from t1";
execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

drop view t1;
create table t1 (a int);
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

drop table t2;
drop table t1;
deallocate prepare stmt;
=====================================================================
Part 16: VIEW -> TEMPORARY TABLE transitions
=====================================================================
create table t2 (a int);
insert into t2 (a) values (1);
create view t1 as select * from t2;
prepare stmt from "select * from t1";
execute stmt;
a
1
call p_verify_reprepare_count(0);
SUCCESS

create temporary table t1 (a int);
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

drop view t1;
execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

drop table t2;
drop temporary table t1;
deallocate prepare stmt;
=====================================================================
Part 17: VIEW -> VIEW (DDL) transitions
=====================================================================
create table t2 (a int);
insert into t2 values (10), (20), (30);
create view t1 as select a, 2*a as b, 3*a as c from t2;
select * from t1;
a	b	c
10	20	30
20	40	60
30	60	90
prepare stmt from "select * from t1";
execute stmt;
a	b	c
10	20	30
20	40	60
30	60	90
drop view t1;
create view t1 as select a, 2*a as b, 5*a as c from t2;
select * from t1;
a	b	c
10	20	50
20	40	100
30	60	150
# Currently a different result from conventional statements.
# A view is inlined once at prepare, later on view DDL
# does not affect prepared statement and it is not re-prepared.
execute stmt;
a	b	c
10	20	30
20	40	60
30	60	90
call p_verify_reprepare_count(0);
SUCCESS

flush table t2;
execute stmt;
a	b	c
10	20	50
20	40	100
30	60	150
call p_verify_reprepare_count(1);
SUCCESS

drop table t2;
drop view t1;
deallocate prepare stmt;
=====================================================================
Part 18: VIEW -> VIEW (VIEW dependencies) transitions
=====================================================================
# Part 18a: dependent function has changed
create table t1 (a int);
insert into t1 (a) values (1), (2), (3);
create function f1() returns int return (select max(a) from t1);
create view v1 as select f1();
prepare stmt from "select * from v1";
execute stmt;
f1()
3
execute stmt;
f1()
3
call p_verify_reprepare_count(0);
SUCCESS

drop function f1;
create function f1() returns int return 2;
# XXX: Bug#12093. We only get a different error
# message because the non-existing procedure error is masked
# by the view.
execute stmt;
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
execute stmt;
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
call p_verify_reprepare_count(0);
SUCCESS

# Part 18b: dependent procedure has changed (referred to via a function)
create table t2 (a int);
insert into t2 (a) values (4), (5), (6);
drop function f1;
create function f1() returns int
begin
declare x int;
call p1(x);
return x;
end|
create procedure p1(out x int) select max(a) from t1 into x;
prepare stmt from "select * from v1";
execute stmt;
f1()
3
execute stmt;
f1()
3
call p_verify_reprepare_count(0);
SUCCESS

drop procedure p1;
create procedure p1(out x int) select max(a) from t2 into x;
# XXX: bug. The prelocked list is not invalidated
# and we keep opening table t1, whereas the procedure
execute stmt;
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
call p_verify_reprepare_count(0);
SUCCESS

flush table t1;
execute stmt;
f1()
6
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
f1()
6
# Test 18-c: dependent VIEW has changed
drop view v1;
create view v2 as select a from t1;
create view v1 as select * from v2;
prepare stmt from "select * from v1";
execute stmt;
a
1
2
3
execute stmt;
a
1
2
3
call p_verify_reprepare_count(0);
SUCCESS

drop view v2;
create view v2 as select a from t2;
execute stmt;
a
1
2
3
execute stmt;
a
1
2
3
call p_verify_reprepare_count(0);
SUCCESS

flush table t1;
execute stmt;
a
4
5
6
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
4
5
6
# Test 18-d: dependent TABLE has changed
drop view v2;
create table v2 as select * from t1;
execute stmt;
a
1
2
3
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
1
2
3
call p_verify_reprepare_count(0);
SUCCESS

drop table v2;
create table v2 (a int unique) as select * from t2;
execute stmt;
a
4
5
6
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
4
5
6
call p_verify_reprepare_count(0);
SUCCESS

# Test 18-e: dependent TABLE trigger has changed
prepare stmt from "insert into v1 (a) values (?)";
set @var= 7;
execute stmt using @var;
call p_verify_reprepare_count(0);
SUCCESS

create trigger v2_bi before insert on v2 for each row set @message="v2_bi";
set @var=8;
execute stmt using @var;
call p_verify_reprepare_count(1);
SUCCESS

select @message;
@message
v2_bi
drop trigger v2_bi;
set @message=null;
set @var=9;
execute stmt using @var;
call p_verify_reprepare_count(1);
SUCCESS

select @message;
@message
NULL
create trigger v2_bi after insert on v2 for each row set @message="v2_ai";
set @var= 10;
execute stmt using @var;
call p_verify_reprepare_count(1);
SUCCESS

select @message;
@message
v2_ai
select * from v1;
a
4
5
6
7
8
9
10
# Cleanup
drop table if exists t1, t2, v1, v2;
drop view if exists v1, v2;
drop function f1;
drop procedure p1;
deallocate prepare stmt;
=====================================================================
Part 19: Special tables (INFORMATION_SCHEMA)
=====================================================================
prepare stmt from
"select ROUTINE_SCHEMA, ROUTINE_NAME, ROUTINE_TYPE
 from INFORMATION_SCHEMA.ROUTINES where
 routine_name='p1'";
create procedure p1() select "hi there";
execute stmt;
ROUTINE_SCHEMA	ROUTINE_NAME	ROUTINE_TYPE
test	p1	PROCEDURE
execute stmt;
ROUTINE_SCHEMA	ROUTINE_NAME	ROUTINE_TYPE
test	p1	PROCEDURE
drop procedure p1;
create procedure p1() select "hi there, again";
execute stmt;
ROUTINE_SCHEMA	ROUTINE_NAME	ROUTINE_TYPE
test	p1	PROCEDURE
execute stmt;
ROUTINE_SCHEMA	ROUTINE_NAME	ROUTINE_TYPE
test	p1	PROCEDURE
call p_verify_reprepare_count(0);
SUCCESS

drop procedure p1;
deallocate prepare stmt;
=====================================================================
Part 20: Special tables (log tables)
=====================================================================
prepare stmt from
"select * from mysql.general_log where argument='IMPOSSIBLE QUERY STRING'";
execute stmt;
execute stmt;
execute stmt;
execute stmt;
call p_verify_reprepare_count(0);
SUCCESS

deallocate prepare stmt;
=====================================================================
Part 21: Special tables (system tables)
=====================================================================
prepare stmt from
"select type, db, name from mysql.proc where name='p1'";
create procedure p1() select "hi there";
execute stmt;
type	db	name
PROCEDURE	test	p1
execute stmt;
type	db	name
PROCEDURE	test	p1
drop procedure p1;
create procedure p1() select "hi there, again";
execute stmt;
type	db	name
PROCEDURE	test	p1
execute stmt;
type	db	name
PROCEDURE	test	p1
call p_verify_reprepare_count(0);
SUCCESS

drop procedure p1;
deallocate prepare stmt;
=====================================================================
Part 22: Special tables (views temp tables)
=====================================================================
create table t1 (a int);
create algorithm=temptable view v1 as select a*a as a2 from t1;
# Using a temporary table internally should not confuse the prepared
# statement code, and should not raise ER_PS_INVALIDATED errors
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select (`t1`.`a` * `t1`.`a`) AS `a2` from `t1`	latin1	latin1_swedish_ci
prepare stmt from "select * from v1";
insert into t1 values (1), (2), (3);
execute stmt;
a2
1
4
9
execute stmt;
a2
1
4
9
insert into t1 values (4), (5), (6);
execute stmt;
a2
1
4
9
16
25
36
execute stmt;
a2
1
4
9
16
25
36
call p_verify_reprepare_count(0);
SUCCESS

drop table t1;
drop view v1;
=====================================================================
Part 23: Special statements
=====================================================================
# SQLCOM_ALTER_TABLE:
create table t1 (a int);
prepare stmt from "alter table t1 add column b int";
execute stmt;
drop table t1;
create table t1 (a1 int, a2 int);
# t1 has changed, and it's does not lead to reprepare 
execute stmt;
alter table t1 drop column b;
execute stmt;
alter table t1 drop column b;
execute stmt;
call p_verify_reprepare_count(0);
SUCCESS

drop table t1;
# SQLCOM_REPAIR:
create table t1 (a int);
insert into t1 values (1), (2), (3);
prepare stmt from "repair table t1";
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	repair	status	OK
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	repair	status	OK
drop table t1;
create table t1 (a1 int, a2 int);
insert into t1 values (1, 10), (2, 20), (3, 30);
# t1 has changed, and it's does not lead to reprepare 
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	repair	status	OK
alter table t1 add column b varchar(50) default NULL;
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	repair	status	OK
call p_verify_reprepare_count(0);
SUCCESS

alter table t1 drop column b;
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	repair	status	OK
call p_verify_reprepare_count(0);
SUCCESS

# SQLCOM_ANALYZE:
prepare stmt from "analyze table t1";
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
drop table t1;
create table t1 (a1 int, a2 int);
insert into t1 values (1, 10), (2, 20), (3, 30);
# t1 has changed, and it's not a problem
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
alter table t1 add column b varchar(50) default NULL;
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
alter table t1 drop column b;
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
call p_verify_reprepare_count(0);
SUCCESS

# SQLCOM_OPTIMIZE:
prepare stmt from "optimize table t1";
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	optimize	status	Table is already up to date
drop table t1;
create table t1 (a1 int, a2 int);
insert into t1 values (1, 10), (2, 20), (3, 30);
# t1 has changed, and it's not a problem
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	optimize	status	OK
alter table t1 add column b varchar(50) default NULL;
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	optimize	status	OK
alter table t1 drop column b;
execute stmt;
Table	Op	Msg_type	Msg_text
test.t1	optimize	status	OK
call p_verify_reprepare_count(0);
SUCCESS

drop table t1;
# SQLCOM_SHOW_CREATE_PROC:
prepare stmt from "show create procedure p1";
execute stmt;
ERROR 42000: PROCEDURE p1 does not exist
execute stmt;
ERROR 42000: PROCEDURE p1 does not exist
create procedure p1() begin end;
execute stmt;
execute stmt;
drop procedure p1;
create procedure p1(x int, y int) begin end;
execute stmt;
execute stmt;
drop procedure p1;
execute stmt;
ERROR 42000: PROCEDURE p1 does not exist
execute stmt;
ERROR 42000: PROCEDURE p1 does not exist
call p_verify_reprepare_count(0);
SUCCESS

# SQLCOM_SHOW_CREATE_FUNC:
prepare stmt from "show create function f1";
execute stmt;
ERROR 42000: FUNCTION f1 does not exist
execute stmt;
ERROR 42000: FUNCTION f1 does not exist
create function f1() returns int return 0;
execute stmt;
execute stmt;
drop function f1;
create function f1(x int, y int) returns int return x+y;
execute stmt;
execute stmt;
drop function f1;
execute stmt;
ERROR 42000: FUNCTION f1 does not exist
execute stmt;
ERROR 42000: FUNCTION f1 does not exist
call p_verify_reprepare_count(0);
SUCCESS

# SQLCOM_SHOW_CREATE_TRIGGER:
create table t1 (a int);
prepare stmt from "show create trigger t1_bi";
execute stmt;
ERROR HY000: Trigger does not exist
execute stmt;
ERROR HY000: Trigger does not exist
create trigger t1_bi before insert on t1 for each row set @message= "t1_bi";
execute stmt;
execute stmt;
drop trigger t1_bi;
create trigger t1_bi before insert on t1 for each row set @message= "t1_bi (2)";
execute stmt;
execute stmt;
drop trigger t1_bi;
execute stmt;
ERROR HY000: Trigger does not exist
execute stmt;
ERROR HY000: Trigger does not exist
call p_verify_reprepare_count(0);
SUCCESS

drop table t1;
deallocate prepare stmt;
=====================================================================
Part 24: Testing the strength of TABLE_SHARE version
=====================================================================
# Test 24-a: number of columns
create table t1 (a int);
prepare stmt from "select a from t1";
execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

alter table t1 add column b varchar(50) default NULL;
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

# Test 24-b: column name
alter table t1 change b c int;
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

# Test 24-c: column type
alter table t1 change a a varchar(10);
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

# Test 24-d: column type length
alter table t1 change a a varchar(20);
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

# Test 24-e: column NULL property
alter table t1 change a a varchar(20) NOT NULL;
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

# Test 24-f: column DEFAULT
alter table t1 change c c int DEFAULT 20;
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

# Test 24-g: number of keys
create unique index t1_a_idx on t1 (a);
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

# Test 24-h: changing index uniqueness
drop index t1_a_idx on t1;
create index t1_a_idx on t1 (a);
execute stmt;
a
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a
call p_verify_reprepare_count(0);
SUCCESS

# Cleanup
drop table t1;
deallocate prepare stmt;
=====================================================================
Testing reported bugs
=====================================================================
#
# Bug#27420 A combination of PS and view operations cause
# error + assertion on shutdown
#
drop table if exists t_27420_100;
drop table if exists t_27420_101;
drop view if exists v_27420;
create table t_27420_100(a int);
insert into t_27420_100 values (1), (2);
create table t_27420_101(a int);
insert into t_27420_101 values (1), (2);
create view v_27420 as select t_27420_100.a X, t_27420_101.a Y
from t_27420_100, t_27420_101
where t_27420_100.a=t_27420_101.a;
prepare stmt from "select * from v_27420";
execute stmt;
X	Y
1	1
2	2
call p_verify_reprepare_count(0);
SUCCESS

drop view v_27420;
create table v_27420(X int, Y int);
execute stmt;
X	Y
call p_verify_reprepare_count(1);
SUCCESS

drop table v_27420;
create table v_27420 (a int, b int, filler char(200));
execute stmt;
a	b	filler
call p_verify_reprepare_count(1);
SUCCESS

drop table t_27420_100;
drop table t_27420_101;
drop table v_27420;
deallocate prepare stmt;
#
# Bug#27430 Crash in subquery code when in PS and table DDL changed
# after PREPARE
#
drop table if exists t_27430_1;
drop table if exists t_27430_2;
create table t_27430_1 (a int not null, oref int not null, key(a));
insert into t_27430_1 values
(1, 1),
(1, 1234),
(2, 3),
(2, 1234),
(3, 1234);
create table t_27430_2 (a int not null, oref int not null);
insert into t_27430_2 values
(1, 1),
(2, 2),
(1234, 3),
(1234, 4);
prepare stmt from 
"select oref, a, a in (select a from t_27430_1 where oref=t_27430_2.oref) Z from t_27430_2";
execute stmt;
oref	a	Z
1	1	1
2	2	0
3	1234	0
4	1234	0
call p_verify_reprepare_count(0);
SUCCESS

drop table t_27430_1, t_27430_2;
create table t_27430_1 (a int, oref int, key(a));
insert into t_27430_1 values 
(1, 1),
(1, NULL),
(2, 3),
(2, NULL),
(3, NULL);
create table t_27430_2 (a int, oref int);
insert into t_27430_2 values
(1, 1),
(2,2),
(NULL, 3),
(NULL, 4);
execute stmt;
oref	a	Z
1	1	1
2	2	0
3	NULL	NULL
4	NULL	0
call p_verify_reprepare_count(1);
SUCCESS

drop table t_27430_1;
drop table t_27430_2;
deallocate prepare stmt;
#
# Bug#27690 Re-execution of prepared statement after table
# was replaced with a view crashes
#
drop table if exists t_27690_1;
drop view if exists v_27690_1;
drop table if exists v_27690_2;
create table t_27690_1 (a int, b int);
insert into t_27690_1 values (1,1),(2,2);
create table v_27690_1 as select * from t_27690_1;
create table v_27690_2 as select * from t_27690_1;
prepare stmt from "select * from v_27690_1, v_27690_2";
execute stmt;
a	b	a	b
1	1	1	1
2	2	1	1
1	1	2	2
2	2	2	2
execute stmt;
a	b	a	b
1	1	1	1
2	2	1	1
1	1	2	2
2	2	2	2
drop table v_27690_1;
execute stmt;
ERROR 42S02: Table 'test.v_27690_1' doesn't exist
execute stmt;
ERROR 42S02: Table 'test.v_27690_1' doesn't exist
call p_verify_reprepare_count(0);
SUCCESS

create view v_27690_1 as select A.a, A.b from t_27690_1 A, t_27690_1 B;
execute stmt;
a	b	a	b
1	1	1	1
2	2	1	1
1	1	1	1
2	2	1	1
1	1	2	2
2	2	2	2
1	1	2	2
2	2	2	2
call p_verify_reprepare_count(1);
SUCCESS

execute stmt;
a	b	a	b
1	1	1	1
2	2	1	1
1	1	1	1
2	2	1	1
1	1	2	2
2	2	2	2
1	1	2	2
2	2	2	2
call p_verify_reprepare_count(0);
SUCCESS

drop table t_27690_1;
drop view v_27690_1;
drop table v_27690_2;
deallocate prepare stmt;
#=====================================================================
# TODO: fix the below two bugs and modify their tests
#
# Bug#21294 Executing a prepared statement that executes
# a stored function which was recreat
#
create function f1() returns int return 10;
prepare stmt from "select f1()";
execute stmt;
f1()
10
drop function f1;
create function f1() returns int return 10;
execute stmt;
ERROR 42000: FUNCTION test.f1 does not exist
drop function f1;
create function f1() returns int return 20;
execute stmt;
ERROR 42000: FUNCTION test.f1 does not exist
call p_verify_reprepare_count(0);
SUCCESS

drop function f1;
deallocate prepare stmt;
#
# Bug#12093 SP not found on second PS execution if another thread drops
# other SP in between
#
drop table if exists t_12093;
drop function if exists f_12093;
drop function if exists f_12093_unrelated;
drop procedure if exists p_12093;
create table t_12093 (a int);
create function f_12093() returns int return (select count(*) from t_12093);
create procedure p_12093(a int) select * from t_12093;
create function f_12093_unrelated() returns int return 2;
create procedure p_12093_unrelated() begin end;
prepare stmt_sf from 'select f_12093();';
prepare stmt_sp from 'call p_12093(f_12093())';
execute stmt_sf;
f_12093()
0
execute stmt_sp;
a
drop function f_12093_unrelated;
drop procedure p_12093_unrelated;
# XXX: bug
execute stmt_sf;
ERROR 42000: FUNCTION test.f_12093 does not exist
# XXX: bug
execute stmt_sp;
ERROR 42000: PROCEDURE test.p_12093 does not exist
# XXX: bug
execute stmt_sf;
ERROR 42000: FUNCTION test.f_12093 does not exist
# XXX: bug
execute stmt_sp;
ERROR 42000: PROCEDURE test.p_12093 does not exist
call p_verify_reprepare_count(0);
SUCCESS

drop table t_12093;
drop function f_12093;
drop procedure p_12093;
deallocate prepare stmt_sf;
deallocate prepare stmt_sp;
# Cleanup
# 
drop temporary table if exists t1, t2, t3;
drop table if exists t1, t2, t3, v1, v2;
drop procedure if exists p_verify_reprepare_count;
drop procedure if exists p1;
drop function if exists f1;
drop view if exists v1, v2;