Commit 10eac46a authored by unknown's avatar unknown
Browse files

Bug#15728: LAST_INSERT_ID function inside a stored function returns 0 

Do not reset value of LAST_INSERT_ID() in sub-statement.


mysql-test/r/rpl_insert_id.result:
  Add result for bug#15728.
mysql-test/r/sp.result:
  Add result for bug#15728.
mysql-test/t/rpl_insert_id.test:
  Add test case for bug#15728.
mysql-test/t/sp.test:
  Add test case for bug#15728.
sql/sql_class.cc:
  Do not reset value of LAST_INSERT_ID() in sub-statement.
parent 90ecf9b6

mysql-test/r/rpl_insert_id.result

+58 −0
Original line number Diff line number Diff line
@@ -74,3 +74,61 @@ SET FOREIGN_KEY_CHECKS=0; 
INSERT INTO t1 VALUES (1),(1);

ERROR 23000: Duplicate entry '1' for key 1

drop table t1;

drop function if exists bug15728;

drop function if exists bug15728_insert;

drop table if exists t1, t2;

create table t1 (

id int not null auto_increment,

last_id int,

primary key (id)

);

create function bug15728() returns int(11)

return last_insert_id();

insert into t1 (last_id) values (0);

insert into t1 (last_id) values (last_insert_id());

insert into t1 (last_id) values (bug15728());

create table t2 (

id int not null auto_increment,

last_id int,

primary key (id)

);

create function bug15728_insert() returns int(11) modifies sql data

begin

insert into t2 (last_id) values (bug15728());

return bug15728();

end|

create trigger t1_bi before insert on t1 for each row

begin

declare res int;

select bug15728_insert() into res;

set NEW.last_id = res;

end|

insert into t1 (last_id) values (0);

drop trigger t1_bi;

select last_insert_id();

last_insert_id()

4

select bug15728_insert();

bug15728_insert()

2

select last_insert_id();

last_insert_id()

4

insert into t1 (last_id) values (bug15728());

select last_insert_id();

last_insert_id()

5

select * from t1;

id	last_id

1	0

2	1

3	2

4	1

5	4

select * from t2;

id	last_id

1	3

2	4

drop function bug15728;

drop function bug15728_insert;

drop table t1, t2;

mysql-test/r/sp.result

+17 −0
Original line number Diff line number Diff line
@@ -4848,6 +4848,23 @@ c 2 
b	3

a	1

delete from t1|

drop function if exists bug15728|

drop table if exists t3|

create table t3 (

id int not null auto_increment,

primary key (id)

)|

create function bug15728() returns int(11)

return last_insert_id()|

insert into t3 values (0)|

select last_insert_id()|

last_insert_id()

1

select bug15728()|

bug15728()

1

drop function bug15728|

drop table t3|

drop procedure if exists bug18787|

create procedure bug18787()

begin

mysql-test/t/rpl_insert_id.test

+70 −0
Original line number Diff line number Diff line
@@ -78,3 +78,73 @@ connection master; 
drop table t1;

sync_slave_with_master;

# End of 4.1 tests





#

# BUG#15728: LAST_INSERT_ID function inside a stored function returns 0

#

# The solution is not to reset last_insert_id on enter to sub-statement.

#

connection master;

--disable_warnings

drop function if exists bug15728;

drop function if exists bug15728_insert;

drop table if exists t1, t2;

--enable_warnings



create table t1 (

  id int not null auto_increment,

  last_id int,

  primary key (id)

);

create function bug15728() returns int(11)

  return last_insert_id();



insert into t1 (last_id) values (0);

insert into t1 (last_id) values (last_insert_id());

insert into t1 (last_id) values (bug15728());



# Check that nested call replicates too.

create table t2 (

  id int not null auto_increment,

  last_id int,

  primary key (id)

);

delimiter |;

create function bug15728_insert() returns int(11) modifies sql data

begin

  insert into t2 (last_id) values (bug15728());

  return bug15728();

end|

create trigger t1_bi before insert on t1 for each row

begin

  declare res int;

  select bug15728_insert() into res;

  set NEW.last_id = res;

end|

delimiter ;|



insert into t1 (last_id) values (0);



drop trigger t1_bi;



# Check that nested call doesn't affect outer context.

select last_insert_id();

select bug15728_insert();

select last_insert_id();

insert into t1 (last_id) values (bug15728());

# This should be exactly one greater than in the previous call.

select last_insert_id();



save_master_pos;

connection slave;

sync_with_master;

select * from t1;

select * from t2;

connection master;



drop function bug15728;

drop function bug15728_insert;

drop table t1, t2;



# End of 5.0 tests

mysql-test/t/sp.test

+25 −0
Original line number Diff line number Diff line
@@ -5698,6 +5698,31 @@ select * from t1 order by @x| 
delete from t1|





#

# BUG#15728: LAST_INSERT_ID function inside a stored function returns 0

#

# The solution is not to reset last_insert_id on enter to sub-statement.

#

--disable_warnings

drop function if exists bug15728|

drop table if exists t3|

--enable_warnings



create table t3 (

  id int not null auto_increment,

  primary key (id)

)|

create function bug15728() returns int(11)

  return last_insert_id()|



insert into t3 values (0)|

select last_insert_id()|

select bug15728()|



drop function bug15728|

drop table t3|





#

# BUG#18787: Server crashed when calling a stored procedure containing

#            a misnamed function

sql/sql_class.cc

+3 −2
Original line number Diff line number Diff line
@@ -2025,7 +2025,7 @@ void THD::restore_backup_open_tables_state(Open_tables_state *backup) 
  The following things is done

  - Disable binary logging for the duration of the statement

  - Disable multi-result-sets for the duration of the statement

  - Value of last_insert_id() is reset and restored

  - Value of last_insert_id() is saved and restored

  - Value set by 'SET INSERT_ID=#' is reset and restored

  - Value for found_rows() is reset and restored

  - examined_row_count is added to the total
@@ -2037,6 +2037,8 @@ void THD::restore_backup_open_tables_state(Open_tables_state *backup) 
    We reset examined_row_count and cuted_fields and add these to the

    result to ensure that if we have a bug that would reset these within

    a function, we are not loosing any rows from the main statement.



    We do not reset value of last_insert_id().

****************************************************************************/



void THD::reset_sub_statement_state(Sub_statement_state *backup,
@@ -2062,7 +2064,6 @@ void THD::reset_sub_statement_state(Sub_statement_state *backup, 
  /* Disable result sets */

  client_capabilities &= ~CLIENT_MULTI_RESULTS;

  in_sub_stmt|= new_state;

  last_insert_id= 0;

  next_insert_id= 0;

  insert_id_used= 0;

  examined_row_count= 0;