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Approximative fixes for BUG#2610,2611,9100 i.e. WL#2146 binlogging/replication of routines (stored procs and functions).

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Approximative, because it's using our binlogging way (what we call "query"-level) and this is not as good as record-level binlog (5.1) would be. It imposes several
  limitations to routines, and has caveats (which I'll document, and for which the server will try to issue errors but that is not always possible).
  Reason I don't propagate caller info to the binlog as planned is that on master and slave
  users may be different; even with that some caveats would remain.


mysql-test/mysql-test-run.sh:
  In the testsuite we know what we do, we are not creating nasty routines, and breaking binlog is ok except in rpl_sp.
mysql-test/r/blackhole.result:
  Updating results now that 4.1 has been merged
mysql-test/valgrind.supp:
      Some suppressions for Valgrind (useful on my machine Suse 9.1);
      this is just adding to the already existing suppressions of pthread and dl.
sql/item_func.cc:
      Don't binlog the substatements when executing a function. If the function
      is declared to modify data and does not complete, warning "broken binlog".
      Note that SELECT myfunc() will not be binlogged even if myfunc() updates data (will be documented);
      but INSERT INTO t VALUES(myfunc()) will be binlogged (what decides is if the caller
      gets binlogged; the function changes nothing to binlogging).
sql/log_event.cc:
      Just making functions which can be re-used when we binlog more strings
      in status_vars in Query_log_event (e.g. one day "user", "host").
sql/log_event.h:
  comment
sql/mysql_priv.h:
      --log-bin-trust-routine-creators
sql/mysqld.cc:
      --log-bin-trust-routine-creators
sql/set_var.cc:
      --log-bin-trust-routine-creators
sql/share/errmsg.txt:
  error messages to warn about problems with routines and binlog
sql/slave.cc:
      If in a routine, replication table inclusion/exclusion rules always answer "replicate!" (see comment in code).
sql/sp.cc:
      If binlog is on: errors if one wants to create a non-deterministic update routine
      (repeatability problem - note that the test is not perfect for functions) or does not have SUPER (because routines can easily
      be made to destroy slave's data with just CREATE ROUTINE and EXECUTE priv on master).
      --log-bin-trust-routine-creators removes these errors.
      Binlogging of CREATE PROCEDURE|FUNCTION.
sql/sql_acl.cc:
      No thd==0 in tables_ok().
sql/sql_parse.cc:
      Binlogging of CALL (and not of the substatements of the SP).
      If SP returns error, we don't binlog it (see comment); we push warning in this case.
      Binlogging of ALTER|DROP PROCEDURE|FUNCTION with safety messages.
This commit is contained in:
unknown
2005-05-05 14:20:53 +02:00
parent 2275c0486c
commit af12ff6568
18 changed files with 733 additions and 44 deletions
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235
mysql-test/r/rpl_sp.result Normal file
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@@ -0,0 +1,235 @@
stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
create database if not exists mysqltest1;
use mysqltest1;
create table t1 (a varchar(100));
use mysqltest1;
drop procedure if exists foo;
drop procedure if exists foo2;
drop procedure if exists foo3;
drop procedure if exists foo4;
drop procedure if exists bar;
drop function if exists fn1;
create procedure foo()
begin
declare b int;
set b = 8;
insert into t1 values (b);
insert into t1 values (unix_timestamp());
end|
ERROR HY000: This routine is declared to be non-deterministic and to modify data and binary logging is enabled (you *might* want to use the less safe log_bin_trust_routine_creators variable)
show binlog events from 98|
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query 1 # create database if not exists mysqltest1
master-bin.000001 # Query 1 # use `mysqltest1`; create table t1 (a varchar(100))
create procedure foo() deterministic
begin
declare b int;
set b = 8;
insert into t1 values (b);
insert into t1 values (unix_timestamp());
end|
select * from mysql.proc where name='foo' and db='mysqltest1';
db name type specific_name language sql_data_access is_deterministic security_type param_list returns body definer created modified sql_mode comment
mysqltest1 foo PROCEDURE foo SQL CONTAINS_SQL YES DEFINER begin
declare b int;
set b = 8;
insert into t1 values (b);
insert into t1 values (unix_timestamp());
end root@localhost # #
select * from mysql.proc where name='foo' and db='mysqltest1';
db name type specific_name language sql_data_access is_deterministic security_type param_list returns body definer created modified sql_mode comment
mysqltest1 foo PROCEDURE foo SQL CONTAINS_SQL YES DEFINER begin
declare b int;
set b = 8;
insert into t1 values (b);
insert into t1 values (unix_timestamp());
end @ # #
set timestamp=1000000000;
call foo();
show binlog events from 308;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query 1 # use `mysqltest1`; create procedure foo() deterministic
begin
declare b int;
set b = 8;
insert into t1 values (b);
insert into t1 values (unix_timestamp());
end
master-bin.000001 # Query 1 # use `mysqltest1`; call foo()
select * from t1;
a
8
1000000000
select * from t1;
a
8
1000000000
delete from t1;
create procedure foo2()
not deterministic
reads sql data
select * from mysqltest1.t1;
call foo2();
a
show binlog events from 605;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query 1 # use `mysqltest1`; delete from t1
master-bin.000001 # Query 1 # use `mysqltest1`; create procedure foo2()
not deterministic
reads sql data
select * from mysqltest1.t1
alter procedure foo2 contains sql;
ERROR HY000: This routine is declared to be non-deterministic and to modify data and binary logging is enabled (you *might* want to use the less safe log_bin_trust_routine_creators variable)
drop table t1;
create table t1 (a int);
create table t2 like t1;
create procedure foo3()
deterministic
insert into t1 values (15);
grant CREATE ROUTINE, EXECUTE on mysqltest1.* to "zedjzlcsjhd"@127.0.0.1;
grant SELECT on mysqltest1.t1 to "zedjzlcsjhd"@127.0.0.1;
grant SELECT, INSERT on mysqltest1.t2 to "zedjzlcsjhd"@127.0.0.1;
create procedure foo4()
deterministic
insert into t1 values (10);
ERROR HY000: You do not have SUPER privilege and binary logging is enabled (you *might* want to use the less safe log_bin_trust_routine_creators variable)
set global log_bin_trust_routine_creators=1;
create procedure foo4()
deterministic
begin
insert into t2 values(3);
insert into t1 values (5);
end|
call foo4();
ERROR 42000: INSERT command denied to user 'zedjzlcsjhd'@'localhost' for table 't1'
show warnings;
Level Code Message
Warning 1417 A routine failed and is declared to modify data and binary logging is enabled; if non-transactional tables were updated, the binary log will miss their changes
call foo3();
show warnings;
Level Code Message
call foo4();
ERROR 42000: INSERT command denied to user 'zedjzlcsjhd'@'localhost' for table 't1'
show warnings;
Level Code Message
Warning 1417 A routine failed and is declared to modify data and binary logging is enabled; if non-transactional tables were updated, the binary log will miss their changes
alter procedure foo4 sql security invoker;
call foo4();
show warnings;
Level Code Message
show binlog events from 841;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query 1 # use `mysqltest1`; drop table t1
master-bin.000001 # Query 1 # use `mysqltest1`; create table t1 (a int)
master-bin.000001 # Query 1 # use `mysqltest1`; create table t2 like t1
master-bin.000001 # Query 1 # use `mysqltest1`; create procedure foo3()
deterministic
insert into t1 values (15)
master-bin.000001 # Query 1 # use `mysqltest1`; grant CREATE ROUTINE, EXECUTE on mysqltest1.* to "zedjzlcsjhd"@127.0.0.1
master-bin.000001 # Query 1 # use `mysqltest1`; grant SELECT on mysqltest1.t1 to "zedjzlcsjhd"@127.0.0.1
master-bin.000001 # Query 1 # use `mysqltest1`; grant SELECT, INSERT on mysqltest1.t2 to "zedjzlcsjhd"@127.0.0.1
master-bin.000001 # Query 1 # use `mysqltest1`; create procedure foo4()
deterministic
begin
insert into t2 values(3);
insert into t1 values (5);
end
master-bin.000001 # Query 1 # use `mysqltest1`; call foo3()
master-bin.000001 # Query 1 # use `mysqltest1`; alter procedure foo4 sql security invoker
master-bin.000001 # Query 1 # use `mysqltest1`; call foo4()
select * from t1;
a
15
5
select * from t2;
a
3
3
3
select * from t1;
a
15
5
select * from t2;
a
3
select if(compte<>3,"this is broken but documented","this unexpectedly works?") from (select count(*) as compte from t2) as aggreg;
if(compte<>3,"this is broken but documented","this unexpectedly works?")
this is broken but documented
select * from mysql.proc where name="foo4" and db='mysqltest1';
db name type specific_name language sql_data_access is_deterministic security_type param_list returns body definer created modified sql_mode comment
mysqltest1 foo4 PROCEDURE foo4 SQL CONTAINS_SQL YES INVOKER begin
insert into t2 values(3);
insert into t1 values (5);
end @ # #
drop procedure foo4;
select * from mysql.proc where name="foo4" and db='mysqltest1';
db name type specific_name language sql_data_access is_deterministic security_type param_list returns body definer created modified sql_mode comment
select * from mysql.proc where name="foo4" and db='mysqltest1';
db name type specific_name language sql_data_access is_deterministic security_type param_list returns body definer created modified sql_mode comment
drop procedure foo;
drop procedure foo2;
drop procedure foo3;
create function fn1(x int)
returns int
deterministic
begin
insert into t1 values (x);
return x+2;
end|
delete t1,t2 from t1,t2;
select fn1(20);
fn1(20)
22
insert into t2 values(fn1(21));
select * from t1;
a
21
20
select * from t2;
a
23
select * from t1;
a
21
select if(compte<>1,"this is broken but documented","this unexpectedly works?") from (select count(*) as compte from t1 where a=20) as aggreg;
if(compte<>1,"this is broken but documented","this unexpectedly works?")
this is broken but documented
select * from t2;
a
23
drop function fn1;
create function fn1()
returns int
deterministic
begin
return unix_timestamp();
end|
delete from t1;
set timestamp=1000000000;
insert into t1 values(fn1());
select * from mysql.proc where db='mysqltest1';
db name type specific_name language sql_data_access is_deterministic security_type param_list returns body definer created modified sql_mode comment
mysqltest1 fn1 FUNCTION fn1 SQL CONTAINS_SQL YES DEFINER int(11) begin
return unix_timestamp();
end root@localhost # #
select * from t1;
a
1000000000
use mysqltest1;
select * from t1;
a
1000000000
select * from mysql.proc where db='mysqltest1';
db name type specific_name language sql_data_access is_deterministic security_type param_list returns body definer created modified sql_mode comment
mysqltest1 fn1 FUNCTION fn1 SQL CONTAINS_SQL YES DEFINER int(11) begin
return unix_timestamp();
end @ # #
drop function fn1;
drop database mysqltest1;
drop user "zedjzlcsjhd"@127.0.0.1;