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Merge mysql.com:/usr/local/bk/mysql-5.0

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into  mysql.com:/usr/home/pem/bug14233/mysql-5.0
This commit is contained in:
pem@mysql.com 2005-12-06 13:34:18 +01:00
commit a0ed1d5aba
11 changed files with 332 additions and 47 deletions
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77
mysql-test/r/sp-destruct.result Normal file
View File

@ -0,0 +1,77 @@
use test;
drop procedure if exists bug14233;
drop function if exists bug14233;
drop table if exists t1;
drop view if exists v1;
create procedure bug14233()
set @x = 42;
create function bug14233_f() returns int
return 42;
create table t1 (id int);
create trigger t1_ai after insert on t1 for each row call bug14233();
alter table mysql.proc drop type;
call bug14233();
ERROR HY000: Failed to load routine test.bug14233. The table mysql.proc is missing, corrupt, or contains bad data (internal code -5)
create view v1 as select bug14233_f();
ERROR HY000: Failed to load routine test.bug14233_f. The table mysql.proc is missing, corrupt, or contains bad data (internal code -5)
insert into t1 values (0);
ERROR HY000: Failed to load routine test.bug14233. The table mysql.proc is missing, corrupt, or contains bad data (internal code -5)
flush table mysql.proc;
call bug14233();
ERROR HY000: Incorrect information in file: './mysql/proc.frm'
create view v1 as select bug14233_f();
ERROR HY000: Incorrect information in file: './mysql/proc.frm'
insert into t1 values (0);
ERROR HY000: Incorrect information in file: './mysql/proc.frm'
flush table mysql.proc;
call bug14233();
ERROR 42S02: Table 'mysql.proc' doesn't exist
create view v1 as select bug14233_f();
ERROR 42S02: Table 'mysql.proc' doesn't exist
insert into t1 values (0);
ERROR 42S02: Table 'mysql.proc' doesn't exist
flush table mysql.proc;
flush privileges;
delete from mysql.proc where name like 'bug14233%';
insert into mysql.proc
(
db, name, type, specific_name, language, sql_data_access, is_deterministic,
security_type, param_list, returns, body, definer, created, modified,
sql_mode, comment
)
values
(
'test', 'bug14233_1', 'FUNCTION', 'bug14233_1', 'SQL', 'READS_SQL_DATA', 'NO',
'DEFINER', '', 'int(10)',
'select count(*) from mysql.user',
'root@localhost', NOW() , '0000-00-00 00:00:00', '', ''
),
(
'test', 'bug14233_2', 'FUNCTION', 'bug14233_2', 'SQL', 'READS_SQL_DATA', 'NO',
'DEFINER', '', 'int(10)',
'begin declare x int; select count(*) into x from mysql.user; end',
'root@localhost', NOW() , '0000-00-00 00:00:00', '', ''
),
(
'test', 'bug14233_3', 'PROCEDURE', 'bug14233_3', 'SQL', 'READS_SQL_DATA','NO',
'DEFINER', '', '',
'alksj wpsj sa ^#!@ ',
'root@localhost', NOW() , '0000-00-00 00:00:00', '', ''
);
select bug14233_1();
ERROR HY000: Failed to load routine test.bug14233_1. The table mysql.proc is missing, corrupt, or contains bad data (internal code -6)
create view v1 as select bug14233_1();
ERROR HY000: Failed to load routine test.bug14233_1. The table mysql.proc is missing, corrupt, or contains bad data (internal code -6)
select bug14233_2();
ERROR HY000: Failed to load routine test.bug14233_2. The table mysql.proc is missing, corrupt, or contains bad data (internal code -6)
create view v1 as select bug14233_2();
ERROR HY000: Failed to load routine test.bug14233_2. The table mysql.proc is missing, corrupt, or contains bad data (internal code -6)
call bug14233_3();
ERROR HY000: Failed to load routine test.bug14233_3. The table mysql.proc is missing, corrupt, or contains bad data (internal code -6)
drop trigger t1_ai;
create trigger t1_ai after insert on t1 for each row call bug14233_3();
insert into t1 values (0);
ERROR HY000: Failed to load routine test.bug14233_3. The table mysql.proc is missing, corrupt, or contains bad data (internal code -6)
delete from mysql.proc where name like 'bug14233%';
drop trigger t1_ai;
drop table t1;

2
mysql-test/r/sp-error.result
View File

@ -124,7 +124,7 @@ begin
declare x int;
set x = val+3;
end|
ERROR 42000: No RETURN found in FUNCTION f
ERROR 42000: No RETURN found in FUNCTION test.f
create function f(val int) returns int
begin
declare x int;

124
mysql-test/t/sp-destruct.test Normal file
View File

@ -0,0 +1,124 @@
#
# Destructive stored procedure tests
#
# We do horrible things to the mysql.proc table here, so any unexpected
# failures here might leave it in an undetermined state.
#
# In the case of trouble you might want to skip this.
#
# We're using --system things that probably doesn't work on Windows.
--source include/not_windows.inc
# Backup proc table
--system rm -rf var/master-data/mysql/backup
--system mkdir var/master-data/mysql/backup
--system cp var/master-data/mysql/proc.* var/master-data/mysql/backup/
use test;
--disable_warnings
drop procedure if exists bug14233;
drop function if exists bug14233;
drop table if exists t1;
drop view if exists v1;
--enable_warnings
create procedure bug14233()
set @x = 42;
create function bug14233_f() returns int
return 42;
create table t1 (id int);
create trigger t1_ai after insert on t1 for each row call bug14233();
# Unsupported tampering with the mysql.proc definition
alter table mysql.proc drop type;
--error ER_SP_PROC_TABLE_CORRUPT
call bug14233();
--error ER_SP_PROC_TABLE_CORRUPT
create view v1 as select bug14233_f();
--error ER_SP_PROC_TABLE_CORRUPT
insert into t1 values (0);
flush table mysql.proc;
# Thrashing the .frm file
--system echo 'saljdlfa' > var/master-data/mysql/proc.frm
--error ER_NOT_FORM_FILE
call bug14233();
--error ER_NOT_FORM_FILE
create view v1 as select bug14233_f();
--error ER_NOT_FORM_FILE
insert into t1 values (0);
flush table mysql.proc;
# Drop the mysql.proc table
--system rm var/master-data/mysql/proc.*
--error ER_NO_SUCH_TABLE
call bug14233();
--error ER_NO_SUCH_TABLE
create view v1 as select bug14233_f();
--error ER_NO_SUCH_TABLE
insert into t1 values (0);
# Restore mysql.proc
--system mv var/master-data/mysql/backup/* var/master-data/mysql/
--system rmdir var/master-data/mysql/backup
flush table mysql.proc;
flush privileges;
delete from mysql.proc where name like 'bug14233%';
# Unsupported editing of mysql.proc, circumventing checks in "create ..."
insert into mysql.proc
(
db, name, type, specific_name, language, sql_data_access, is_deterministic,
security_type, param_list, returns, body, definer, created, modified,
sql_mode, comment
)
values
(
'test', 'bug14233_1', 'FUNCTION', 'bug14233_1', 'SQL', 'READS_SQL_DATA', 'NO',
'DEFINER', '', 'int(10)',
'select count(*) from mysql.user',
'root@localhost', NOW() , '0000-00-00 00:00:00', '', ''
),
(
'test', 'bug14233_2', 'FUNCTION', 'bug14233_2', 'SQL', 'READS_SQL_DATA', 'NO',
'DEFINER', '', 'int(10)',
'begin declare x int; select count(*) into x from mysql.user; end',
'root@localhost', NOW() , '0000-00-00 00:00:00', '', ''
),
(
'test', 'bug14233_3', 'PROCEDURE', 'bug14233_3', 'SQL', 'READS_SQL_DATA','NO',
'DEFINER', '', '',
'alksj wpsj sa ^#!@ ',
'root@localhost', NOW() , '0000-00-00 00:00:00', '', ''
);
--error ER_SP_PROC_TABLE_CORRUPT
select bug14233_1();
--error ER_SP_PROC_TABLE_CORRUPT
create view v1 as select bug14233_1();
--error ER_SP_PROC_TABLE_CORRUPT
select bug14233_2();
--error ER_SP_PROC_TABLE_CORRUPT
create view v1 as select bug14233_2();
--error ER_SP_PROC_TABLE_CORRUPT
call bug14233_3();
drop trigger t1_ai;
create trigger t1_ai after insert on t1 for each row call bug14233_3();
--error ER_SP_PROC_TABLE_CORRUPT
insert into t1 values (0);
# Clean-up
delete from mysql.proc where name like 'bug14233%';
drop trigger t1_ai;
drop table t1;

2
mysql-test/t/sp.test
View File

@ -13,6 +13,8 @@
# Tests that require multiple connections, except security/privilege tests,
# go to sp-thread.
# Tests that uses 'goto' to into sp-goto.test (currently disabled)
# Tests that destroys system tables (e.g. mysql.proc) for error testing
# go to sp-destruct.
use test;

2
sql/share/errmsg.txt
View File

@ -5600,3 +5600,5 @@ ER_OLD_FILE_FORMAT
eng "'%-.64s' has an old format, you should re-create the '%s' object(s)"
ER_SP_RECURSION_LIMIT
eng "Recursive limit %d (as set by the max_sp_recursion_depth variable) was exceeded for routine %.64s"
ER_SP_PROC_TABLE_CORRUPT
eng "Failed to load routine %s. The table mysql.proc is missing, corrupt, or contains bad data (internal code %d)"

100
sql/sp.cc
View File

@ -1446,21 +1446,23 @@ static void sp_update_stmt_used_routines(THD *thd, LEX *lex, SQL_LIST *src)
first_no_prelock - If true, don't add tables or cache routines used by
the body of the first routine (i.e. *start)
will be executed in non-prelocked mode.
tabs_changed - Set to TRUE some tables were added, FALSE otherwise
NOTE
If some function is missing this won't be reported here.
Instead this fact will be discovered during query execution.
RETURN VALUE
TRUE - some tables were added
FALSE - no tables were added.
0 - success
non-0 - failure
*/
static bool
static int
sp_cache_routines_and_add_tables_aux(THD *thd, LEX *lex,
Sroutine_hash_entry *start,
bool first_no_prelock)
bool first_no_prelock, bool *tabs_changed)
{
bool result= FALSE;
int ret= 0;
int tabschnd= 0; /* Set if tables changed */
bool first= TRUE;
DBUG_ENTER("sp_cache_routines_and_add_tables_aux");
@ -1481,12 +1483,45 @@ sp_cache_routines_and_add_tables_aux(THD *thd, LEX *lex,
name.m_name.str+= 1;
name.m_name.length= name.m_qname.length - name.m_db.length - 1;
if (db_find_routine(thd, type, &name, &sp) == SP_OK)
switch ((ret= db_find_routine(thd, type, &name, &sp)))
{
if (type == TYPE_ENUM_FUNCTION)
sp_cache_insert(&thd->sp_func_cache, sp);
else
sp_cache_insert(&thd->sp_proc_cache, sp);
case SP_OK:
{
if (type == TYPE_ENUM_FUNCTION)
sp_cache_insert(&thd->sp_func_cache, sp);
else
sp_cache_insert(&thd->sp_proc_cache, sp);
}
break;
case SP_KEY_NOT_FOUND:
ret= SP_OK;
break;
case SP_OPEN_TABLE_FAILED:
/*
Force it to attempt opening it again on subsequent calls;
otherwise we will get one error message the first time, and
then ER_SP_PROC_TABLE_CORRUPT (below) on subsequent tries.
*/
mysql_proc_table_exists= 1;
/* Fall through */
default:
/*
Any error when loading an existing routine is either some problem
with the mysql.proc table, or a parse error because the contents
has been tampered with (in which case we clear that error).
*/
if (ret == SP_PARSE_ERROR)
thd->clear_error();
if (!thd->net.report_error)
{
char n[NAME_LEN*2+2];
/* m_qname.str is not always \0 terminated */
memcpy(n, name.m_qname.str, name.m_qname.length);
n[name.m_qname.length]= '\0';
my_error(ER_SP_PROC_TABLE_CORRUPT, MYF(0), n, ret);
}
break;
}
}
if (sp)
@ -1494,12 +1529,15 @@ sp_cache_routines_and_add_tables_aux(THD *thd, LEX *lex,
if (!(first && first_no_prelock))
{
sp_update_stmt_used_routines(thd, lex, &sp->m_sroutines);
result|= sp->add_used_tables_to_table_list(thd, &lex->query_tables_last);
tabschnd|=
sp->add_used_tables_to_table_list(thd, &lex->query_tables_last);
}
}
first= FALSE;
}
DBUG_RETURN(result);
if (tabs_changed) /* it can be NULL */
*tabs_changed= tabschnd;
DBUG_RETURN(ret);
}
@ -1514,18 +1552,20 @@ sp_cache_routines_and_add_tables_aux(THD *thd, LEX *lex,
lex - LEX representing statement
first_no_prelock - If true, don't add tables or cache routines used by
the body of the first routine (i.e. *start)
tabs_changed - Set to TRUE some tables were added, FALSE otherwise
RETURN VALUE
TRUE - some tables were added
FALSE - no tables were added.
0 - success
non-0 - failure
*/
bool
sp_cache_routines_and_add_tables(THD *thd, LEX *lex, bool first_no_prelock)
int
sp_cache_routines_and_add_tables(THD *thd, LEX *lex, bool first_no_prelock,
bool *tabs_changed)
{
return sp_cache_routines_and_add_tables_aux(thd, lex,
(Sroutine_hash_entry *)lex->sroutines_list.first,
first_no_prelock);
first_no_prelock, tabs_changed);
}
@ -1539,16 +1579,21 @@ sp_cache_routines_and_add_tables(THD *thd, LEX *lex, bool first_no_prelock)
thd - thread context
lex - LEX representing statement
aux_lex - LEX representing view
RETURN VALUE
0 - success
non-0 - failure
*/
void
int
sp_cache_routines_and_add_tables_for_view(THD *thd, LEX *lex, LEX *aux_lex)
{
Sroutine_hash_entry **last_cached_routine_ptr=
(Sroutine_hash_entry **)lex->sroutines_list.next;
sp_update_stmt_used_routines(thd, lex, &aux_lex->sroutines_list);
(void)sp_cache_routines_and_add_tables_aux(thd, lex,
*last_cached_routine_ptr, FALSE);
return sp_cache_routines_and_add_tables_aux(thd, lex,
*last_cached_routine_ptr, FALSE,
NULL);
}
@ -1562,12 +1607,18 @@ sp_cache_routines_and_add_tables_for_view(THD *thd, LEX *lex, LEX *aux_lex)
thd - thread context
lex - LEX respresenting statement
triggers - triggers of the table
RETURN VALUE
0 - success
non-0 - failure
*/
void
int
sp_cache_routines_and_add_tables_for_triggers(THD *thd, LEX *lex,
Table_triggers_list *triggers)
{
int ret= 0;
if (add_used_routine(lex, thd->stmt_arena, &triggers->sroutines_key))
{
Sroutine_hash_entry **last_cached_routine_ptr=
@ -1585,10 +1636,11 @@ sp_cache_routines_and_add_tables_for_triggers(THD *thd, LEX *lex,
}
}
}
(void)sp_cache_routines_and_add_tables_aux(thd, lex,
*last_cached_routine_ptr,
FALSE);
ret= sp_cache_routines_and_add_tables_aux(thd, lex,
*last_cached_routine_ptr,
FALSE, NULL);
}
return ret;
}

10
sql/sp.h
View File

@ -84,11 +84,11 @@ void sp_add_used_routine(LEX *lex, Query_arena *arena,
sp_name *rt, char rt_type);
void sp_remove_not_own_routines(LEX *lex);
void sp_update_sp_used_routines(HASH *dst, HASH *src);
bool sp_cache_routines_and_add_tables(THD *thd, LEX *lex,
bool first_no_prelock);
void sp_cache_routines_and_add_tables_for_view(THD *thd, LEX *lex,
LEX *aux_lex);
void sp_cache_routines_and_add_tables_for_triggers(THD *thd, LEX *lex,
int sp_cache_routines_and_add_tables(THD *thd, LEX *lex,
bool first_no_prelock, bool *tabs_changed);
int sp_cache_routines_and_add_tables_for_view(THD *thd, LEX *lex,
LEX *aux_lex);
int sp_cache_routines_and_add_tables_for_triggers(THD *thd, LEX *lex,
Table_triggers_list *triggers);
extern "C" byte* sp_sroutine_key(const byte *ptr, uint *plen, my_bool first);

47
sql/sql_base.cc
View File

@ -1984,15 +1984,25 @@ int open_tables(THD *thd, TABLE_LIST **start, uint *counter, uint flags)
if (!thd->prelocked_mode && !thd->lex->requires_prelocking() &&
thd->lex->sroutines_list.elements)
{
bool first_no_prelocking, need_prelocking;
bool first_no_prelocking, need_prelocking, tabs_changed;
TABLE_LIST **save_query_tables_last= thd->lex->query_tables_last;
DBUG_ASSERT(thd->lex->query_tables == *start);
sp_get_prelocking_info(thd, &need_prelocking, &first_no_prelocking);
if ((sp_cache_routines_and_add_tables(thd, thd->lex,
first_no_prelocking) ||
*start) && need_prelocking)
if (sp_cache_routines_and_add_tables(thd, thd->lex,
first_no_prelocking,
&tabs_changed))
{
/*
Serious error during reading stored routines from mysql.proc table.
Something's wrong with the table or its contents, and an error has
been emitted; we must abort.
*/
result= -1;
goto err;
}
else if ((tabs_changed || *start) && need_prelocking)
{
query_tables_last_own= save_query_tables_last;
*start= thd->lex->query_tables;
@ -2116,9 +2126,18 @@ int open_tables(THD *thd, TABLE_LIST **start, uint *counter, uint flags)
tables->lock_type >= TL_WRITE_ALLOW_WRITE)
{
if (!query_tables_last_own)
query_tables_last_own= thd->lex->query_tables_last;
sp_cache_routines_and_add_tables_for_triggers(thd, thd->lex,
tables->table->triggers);
query_tables_last_own= thd->lex->query_tables_last;
if (sp_cache_routines_and_add_tables_for_triggers(thd, thd->lex,
tables->table->triggers))
{
/*
Serious error during reading stored routines from mysql.proc table.
Something's wrong with the table or its contents, and an error has
been emitted; we must abort.
*/
result= -1;
goto err;
}
}
free_root(&new_frm_mem, MYF(MY_KEEP_PREALLOC));
}
@ -2139,9 +2158,21 @@ process_view_routines:
/* We have at least one table in TL here. */
if (!query_tables_last_own)
query_tables_last_own= thd->lex->query_tables_last;
sp_cache_routines_and_add_tables_for_view(thd, thd->lex, tables->view);
if (sp_cache_routines_and_add_tables_for_view(thd, thd->lex,
tables->view))
{
/*
Serious error during reading stored routines from mysql.proc table.
Something's wrong with the table or its contents, and an error has
been emitted; we must abort.
*/
result= -1;
goto err;
}
}
}
err:
thd->proc_info=0;
free_root(&new_frm_mem, MYF(0)); // Free pre-alloced block

8
sql/sql_parse.cc
View File

@ -4133,14 +4133,6 @@ end_with_restore_list:
}
}
#endif
if (lex->sphead->m_type == TYPE_ENUM_FUNCTION &&
!(lex->sphead->m_flags & sp_head::HAS_RETURN))
{
my_error(ER_SP_NORETURN, MYF(0), name);
delete lex->sphead;
lex->sphead= 0;
goto error;
}
/*
We need to copy name and db in order to use them for

2
sql/sql_trigger.h
View File

@ -117,7 +117,7 @@ public:
void set_table(TABLE *new_table);
friend class Item_trigger_field;
friend void sp_cache_routines_and_add_tables_for_triggers(THD *thd, LEX *lex,
friend int sp_cache_routines_and_add_tables_for_triggers(THD *thd, LEX *lex,
Table_triggers_list *triggers);
private:

5
sql/sql_yacc.yy
View File

@ -1407,6 +1407,11 @@ create_function_tail:
YYABORT;
lex->sql_command= SQLCOM_CREATE_SPFUNCTION;
sp->init_strings(YYTHD, lex, lex->spname);
if (!(sp->m_flags & sp_head::HAS_RETURN))
{
my_error(ER_SP_NORETURN, MYF(0), sp->m_qname.str);
YYABORT;
}
/* Restore flag if it was cleared above */
if (sp->m_old_cmq)
YYTHD->client_capabilities |= CLIENT_MULTI_QUERIES;