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Kirill Smelkov
mariadb
Commits
92cffda5
Commit
92cffda5
authored
Jun 01, 2005
by
lenz@mysql.com
Browse files
Options
Browse Files
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Plain Diff
Merge lgrimmer@bk-internal.mysql.com:/home/bk/mysql-4.1
into mysql.com:/space/my/mysql-4.1
parents
cc20ad01
effd338f
Changes
11
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Showing
11 changed files
with
155 additions
and
65 deletions
+155
-65
mysql-test/r/create.result
mysql-test/r/create.result
+18
-0
mysql-test/t/create.test
mysql-test/t/create.test
+30
-0
sql/lock.cc
sql/lock.cc
+21
-48
sql/mysql_priv.h
sql/mysql_priv.h
+5
-2
sql/sql_acl.cc
sql/sql_acl.cc
+2
-2
sql/sql_base.cc
sql/sql_base.cc
+3
-3
sql/sql_handler.cc
sql/sql_handler.cc
+1
-1
sql/sql_insert.cc
sql/sql_insert.cc
+18
-6
sql/sql_parse.cc
sql/sql_parse.cc
+31
-1
sql/sql_table.cc
sql/sql_table.cc
+1
-1
sql/sql_yacc.yy
sql/sql_yacc.yy
+25
-1
No files found.
mysql-test/r/create.result
View file @
92cffda5
...
@@ -563,3 +563,21 @@ select * from t2;
...
@@ -563,3 +563,21 @@ select * from t2;
b
b
1
1
drop table t1,t2;
drop table t1,t2;
use test;
create table t1 (a int);
create table t1 select * from t1;
ERROR HY000: You can't specify target table 't1' for update in FROM clause
create table t2 union = (t1) select * from t1;
ERROR HY000: You can't specify target table 't1' for update in FROM clause
flush tables with read lock;
unlock tables;
drop table t1;
create table t1(column.name int);
ERROR 42000: Incorrect table name 'column'
create table t1(test.column.name int);
ERROR 42000: Incorrect table name 'column'
create table t1(xyz.t1.name int);
ERROR 42000: Incorrect database name 'xyz'
create table t1(t1.name int);
create table t2(test.t2.name int);
drop table t1,t2;
mysql-test/t/create.test
View file @
92cffda5
...
@@ -460,3 +460,33 @@ insert into t2 values ();
...
@@ -460,3 +460,33 @@ insert into t2 values ();
select
*
from
t1
;
select
*
from
t1
;
select
*
from
t2
;
select
*
from
t2
;
drop
table
t1
,
t2
;
drop
table
t1
,
t2
;
#
# Bug#10224 - ANALYZE TABLE crashing with simultaneous
# CREATE ... SELECT statement.
# This tests two additional possible errors and a hang if
# an improper fix is present.
#
connection
default
;
use
test
;
create
table
t1
(
a
int
);
--
error
1093
create
table
t1
select
*
from
t1
;
--
error
1093
create
table
t2
union
=
(
t1
)
select
*
from
t1
;
flush
tables
with
read
lock
;
unlock
tables
;
drop
table
t1
;
#
# Bug#10413: Invalid column name is not rejected
#
--
error
1103
create
table
t1
(
column
.
name
int
);
--
error
1103
create
table
t1
(
test
.
column
.
name
int
);
--
error
1102
create
table
t1
(
xyz
.
t1
.
name
int
);
create
table
t1
(
t1
.
name
int
);
create
table
t2
(
test
.
t2
.
name
int
);
drop
table
t1
,
t2
;
sql/lock.cc
View file @
92cffda5
...
@@ -82,8 +82,24 @@ static int unlock_external(THD *thd, TABLE **table,uint count);
...
@@ -82,8 +82,24 @@ static int unlock_external(THD *thd, TABLE **table,uint count);
static
void
print_lock_error
(
int
error
);
static
void
print_lock_error
(
int
error
);
MYSQL_LOCK
*
mysql_lock_tables
(
THD
*
thd
,
TABLE
**
tables
,
uint
count
,
/*
bool
ignore_global_read_lock
)
Lock tables.
SYNOPSIS
mysql_lock_tables()
thd The current thread.
tables An array of pointers to the tables to lock.
count The number of tables to lock.
flags Options:
MYSQL_LOCK_IGNORE_GLOBAL_READ_LOCK Ignore a global read lock
MYSQL_LOCK_IGNORE_FLUSH Ignore a flush tables.
RETURN
A lock structure pointer on success.
NULL on error.
*/
MYSQL_LOCK
*
mysql_lock_tables
(
THD
*
thd
,
TABLE
**
tables
,
uint
count
,
uint
flags
)
{
{
MYSQL_LOCK
*
sql_lock
;
MYSQL_LOCK
*
sql_lock
;
TABLE
*
write_lock_used
;
TABLE
*
write_lock_used
;
...
@@ -94,7 +110,8 @@ MYSQL_LOCK *mysql_lock_tables(THD *thd, TABLE **tables, uint count,
...
@@ -94,7 +110,8 @@ MYSQL_LOCK *mysql_lock_tables(THD *thd, TABLE **tables, uint count,
if
(
!
(
sql_lock
=
get_lock_data
(
thd
,
tables
,
count
,
0
,
&
write_lock_used
)))
if
(
!
(
sql_lock
=
get_lock_data
(
thd
,
tables
,
count
,
0
,
&
write_lock_used
)))
break
;
break
;
if
(
global_read_lock
&&
write_lock_used
&&
!
ignore_global_read_lock
)
if
(
global_read_lock
&&
write_lock_used
&&
!
(
flags
&
MYSQL_LOCK_IGNORE_GLOBAL_READ_LOCK
))
{
{
/*
/*
Someone has issued LOCK ALL TABLES FOR READ and we want a write lock
Someone has issued LOCK ALL TABLES FOR READ and we want a write lock
...
@@ -128,7 +145,7 @@ MYSQL_LOCK *mysql_lock_tables(THD *thd, TABLE **tables, uint count,
...
@@ -128,7 +145,7 @@ MYSQL_LOCK *mysql_lock_tables(THD *thd, TABLE **tables, uint count,
thd
->
some_tables_deleted
=
1
;
// Try again
thd
->
some_tables_deleted
=
1
;
// Try again
sql_lock
->
lock_count
=
0
;
// Locks are alread freed
sql_lock
->
lock_count
=
0
;
// Locks are alread freed
}
}
else
if
(
!
thd
->
some_tables_deleted
)
else
if
(
!
thd
->
some_tables_deleted
||
(
flags
&
MYSQL_LOCK_IGNORE_FLUSH
)
)
{
{
thd
->
locked
=
0
;
thd
->
locked
=
0
;
break
;
break
;
...
@@ -914,47 +931,3 @@ void make_global_read_lock_block_commit(THD *thd)
...
@@ -914,47 +931,3 @@ void make_global_read_lock_block_commit(THD *thd)
}
}
/*
Set protection against global read lock.
SYNOPSIS
set_protect_against_global_read_lock()
void
RETURN
FALSE OK, no global read lock exists.
TRUE Error, global read lock exists already.
*/
my_bool
set_protect_against_global_read_lock
(
void
)
{
my_bool
global_read_lock_exists
;
pthread_mutex_lock
(
&
LOCK_open
);
if
(
!
(
global_read_lock_exists
=
test
(
global_read_lock
)))
protect_against_global_read_lock
++
;
pthread_mutex_unlock
(
&
LOCK_open
);
return
global_read_lock_exists
;
}
/*
Unset protection against global read lock.
SYNOPSIS
unset_protect_against_global_read_lock()
void
RETURN
void
*/
void
unset_protect_against_global_read_lock
(
void
)
{
pthread_mutex_lock
(
&
LOCK_open
);
protect_against_global_read_lock
--
;
pthread_mutex_unlock
(
&
LOCK_open
);
pthread_cond_broadcast
(
&
COND_refresh
);
}
sql/mysql_priv.h
View file @
92cffda5
...
@@ -978,8 +978,11 @@ extern pthread_t signal_thread;
...
@@ -978,8 +978,11 @@ extern pthread_t signal_thread;
extern
struct
st_VioSSLAcceptorFd
*
ssl_acceptor_fd
;
extern
struct
st_VioSSLAcceptorFd
*
ssl_acceptor_fd
;
#endif
/* HAVE_OPENSSL */
#endif
/* HAVE_OPENSSL */
MYSQL_LOCK
*
mysql_lock_tables
(
THD
*
thd
,
TABLE
**
table
,
uint
count
,
MYSQL_LOCK
*
mysql_lock_tables
(
THD
*
thd
,
TABLE
**
table
,
uint
count
,
uint
flags
);
bool
ignore_global_read_lock
=
FALSE
);
/* mysql_lock_tables() flags bits */
#define MYSQL_LOCK_IGNORE_GLOBAL_READ_LOCK 0x0001
#define MYSQL_LOCK_IGNORE_FLUSH 0x0002
void
mysql_unlock_tables
(
THD
*
thd
,
MYSQL_LOCK
*
sql_lock
);
void
mysql_unlock_tables
(
THD
*
thd
,
MYSQL_LOCK
*
sql_lock
);
void
mysql_unlock_read_tables
(
THD
*
thd
,
MYSQL_LOCK
*
sql_lock
);
void
mysql_unlock_read_tables
(
THD
*
thd
,
MYSQL_LOCK
*
sql_lock
);
void
mysql_unlock_some_tables
(
THD
*
thd
,
TABLE
**
table
,
uint
count
);
void
mysql_unlock_some_tables
(
THD
*
thd
,
TABLE
**
table
,
uint
count
);
...
...
sql/sql_acl.cc
View file @
92cffda5
...
@@ -184,7 +184,7 @@ my_bool acl_init(THD *org_thd, bool dont_read_acl_tables)
...
@@ -184,7 +184,7 @@ my_bool acl_init(THD *org_thd, bool dont_read_acl_tables)
ptr
[
0
]
=
tables
[
0
].
table
;
ptr
[
0
]
=
tables
[
0
].
table
;
ptr
[
1
]
=
tables
[
1
].
table
;
ptr
[
1
]
=
tables
[
1
].
table
;
ptr
[
2
]
=
tables
[
2
].
table
;
ptr
[
2
]
=
tables
[
2
].
table
;
if
(
!
(
lock
=
mysql_lock_tables
(
thd
,
ptr
,
3
)))
if
(
!
(
lock
=
mysql_lock_tables
(
thd
,
ptr
,
3
,
0
)))
{
{
sql_print_error
(
"Fatal error: Can't lock privilege tables: %s"
,
sql_print_error
(
"Fatal error: Can't lock privilege tables: %s"
,
thd
->
net
.
last_error
);
thd
->
net
.
last_error
);
...
@@ -2658,7 +2658,7 @@ my_bool grant_init(THD *org_thd)
...
@@ -2658,7 +2658,7 @@ my_bool grant_init(THD *org_thd)
TABLE
*
ptr
[
2
];
// Lock tables for quick update
TABLE
*
ptr
[
2
];
// Lock tables for quick update
ptr
[
0
]
=
tables
[
0
].
table
;
ptr
[
0
]
=
tables
[
0
].
table
;
ptr
[
1
]
=
tables
[
1
].
table
;
ptr
[
1
]
=
tables
[
1
].
table
;
if
(
!
(
lock
=
mysql_lock_tables
(
thd
,
ptr
,
2
)))
if
(
!
(
lock
=
mysql_lock_tables
(
thd
,
ptr
,
2
,
0
)))
goto
end
;
goto
end
;
t_table
=
tables
[
0
].
table
;
c_table
=
tables
[
1
].
table
;
t_table
=
tables
[
0
].
table
;
c_table
=
tables
[
1
].
table
;
...
...
sql/sql_base.cc
View file @
92cffda5
...
@@ -1163,7 +1163,7 @@ bool reopen_tables(THD *thd,bool get_locks,bool in_refresh)
...
@@ -1163,7 +1163,7 @@ bool reopen_tables(THD *thd,bool get_locks,bool in_refresh)
MYSQL_LOCK
*
lock
;
MYSQL_LOCK
*
lock
;
/* We should always get these locks */
/* We should always get these locks */
thd
->
some_tables_deleted
=
0
;
thd
->
some_tables_deleted
=
0
;
if
((
lock
=
mysql_lock_tables
(
thd
,
tables
,(
uint
)
(
tables_ptr
-
tables
)
)))
if
((
lock
=
mysql_lock_tables
(
thd
,
tables
,
(
uint
)
(
tables_ptr
-
tables
),
0
)))
{
{
thd
->
locked_tables
=
mysql_lock_merge
(
thd
->
locked_tables
,
lock
);
thd
->
locked_tables
=
mysql_lock_merge
(
thd
->
locked_tables
,
lock
);
}
}
...
@@ -1644,7 +1644,7 @@ TABLE *open_ltable(THD *thd, TABLE_LIST *table_list, thr_lock_type lock_type)
...
@@ -1644,7 +1644,7 @@ TABLE *open_ltable(THD *thd, TABLE_LIST *table_list, thr_lock_type lock_type)
{
{
DBUG_ASSERT
(
thd
->
lock
==
0
);
// You must lock everything at once
DBUG_ASSERT
(
thd
->
lock
==
0
);
// You must lock everything at once
if
((
table
->
reginfo
.
lock_type
=
lock_type
)
!=
TL_UNLOCK
)
if
((
table
->
reginfo
.
lock_type
=
lock_type
)
!=
TL_UNLOCK
)
if
(
!
(
thd
->
lock
=
mysql_lock_tables
(
thd
,
&
table_list
->
table
,
1
)))
if
(
!
(
thd
->
lock
=
mysql_lock_tables
(
thd
,
&
table_list
->
table
,
1
,
0
)))
table
=
0
;
table
=
0
;
}
}
}
}
...
@@ -1794,7 +1794,7 @@ int lock_tables(THD *thd, TABLE_LIST *tables, uint count)
...
@@ -1794,7 +1794,7 @@ int lock_tables(THD *thd, TABLE_LIST *tables, uint count)
if
(
!
table
->
derived
)
if
(
!
table
->
derived
)
*
(
ptr
++
)
=
table
->
table
;
*
(
ptr
++
)
=
table
->
table
;
}
}
if
(
!
(
thd
->
lock
=
mysql_lock_tables
(
thd
,
start
,
(
uint
)
(
ptr
-
start
)
)))
if
(
!
(
thd
->
lock
=
mysql_lock_tables
(
thd
,
start
,
(
uint
)
(
ptr
-
start
),
0
)))
return
-
1
;
/* purecov: inspected */
return
-
1
;
/* purecov: inspected */
}
}
else
else
...
...
sql/sql_handler.cc
View file @
92cffda5
...
@@ -454,7 +454,7 @@ int mysql_ha_read(THD *thd, TABLE_LIST *tables,
...
@@ -454,7 +454,7 @@ int mysql_ha_read(THD *thd, TABLE_LIST *tables,
protocol
->
send_fields
(
&
list
,
1
);
protocol
->
send_fields
(
&
list
,
1
);
HANDLER_TABLES_HACK
(
thd
);
HANDLER_TABLES_HACK
(
thd
);
lock
=
mysql_lock_tables
(
thd
,
&
tables
->
table
,
1
);
lock
=
mysql_lock_tables
(
thd
,
&
tables
->
table
,
1
,
0
);
HANDLER_TABLES_HACK
(
thd
);
HANDLER_TABLES_HACK
(
thd
);
if
(
!
lock
)
if
(
!
lock
)
...
...
sql/sql_insert.cc
View file @
92cffda5
...
@@ -882,10 +882,13 @@ static TABLE *delayed_get_table(THD *thd,TABLE_LIST *table_list)
...
@@ -882,10 +882,13 @@ static TABLE *delayed_get_table(THD *thd,TABLE_LIST *table_list)
Avoid that a global read lock steps in while we are creating the
Avoid that a global read lock steps in while we are creating the
new thread. It would block trying to open the table. Hence, the
new thread. It would block trying to open the table. Hence, the
DI thread and this thread would wait until after the global
DI thread and this thread would wait until after the global
readlock is gone. If the read lock exists already, we leave with
readlock is gone. Since the insert thread needs to wait for a
no table and then switch to non-delayed insert.
global read lock anyway, we do it right now. Note that
wait_if_global_read_lock() sets a protection against a new
global read lock when it succeeds. This needs to be released by
start_waiting_global_read_lock().
*/
*/
if
(
set_protect_against_global_read_lock
(
))
if
(
wait_if_global_read_lock
(
thd
,
0
,
1
))
goto
err
;
goto
err
;
if
(
!
(
tmp
=
new
delayed_insert
()))
if
(
!
(
tmp
=
new
delayed_insert
()))
{
{
...
@@ -927,7 +930,11 @@ static TABLE *delayed_get_table(THD *thd,TABLE_LIST *table_list)
...
@@ -927,7 +930,11 @@ static TABLE *delayed_get_table(THD *thd,TABLE_LIST *table_list)
pthread_cond_wait
(
&
tmp
->
cond_client
,
&
tmp
->
mutex
);
pthread_cond_wait
(
&
tmp
->
cond_client
,
&
tmp
->
mutex
);
}
}
pthread_mutex_unlock
(
&
tmp
->
mutex
);
pthread_mutex_unlock
(
&
tmp
->
mutex
);
unset_protect_against_global_read_lock
();
/*
Release the protection against the global read lock and wake
everyone, who might want to set a global read lock.
*/
start_waiting_global_read_lock
(
thd
);
thd
->
proc_info
=
"got old table"
;
thd
->
proc_info
=
"got old table"
;
if
(
tmp
->
thd
.
killed
)
if
(
tmp
->
thd
.
killed
)
{
{
...
@@ -963,7 +970,11 @@ static TABLE *delayed_get_table(THD *thd,TABLE_LIST *table_list)
...
@@ -963,7 +970,11 @@ static TABLE *delayed_get_table(THD *thd,TABLE_LIST *table_list)
err1:
err1:
thd
->
fatal_error
();
thd
->
fatal_error
();
unset_protect_against_global_read_lock
();
/*
Release the protection against the global read lock and wake
everyone, who might want to set a global read lock.
*/
start_waiting_global_read_lock
(
thd
);
err:
err:
pthread_mutex_unlock
(
&
LOCK_delayed_create
);
pthread_mutex_unlock
(
&
LOCK_delayed_create
);
DBUG_RETURN
(
0
);
// Continue with normal insert
DBUG_RETURN
(
0
);
// Continue with normal insert
...
@@ -1319,7 +1330,8 @@ extern "C" pthread_handler_decl(handle_delayed_insert,arg)
...
@@ -1319,7 +1330,8 @@ extern "C" pthread_handler_decl(handle_delayed_insert,arg)
handler will close the table and finish when the outstanding
handler will close the table and finish when the outstanding
inserts are done.
inserts are done.
*/
*/
if
(
!
(
thd
->
lock
=
mysql_lock_tables
(
thd
,
&
di
->
table
,
1
,
TRUE
)))
if
(
!
(
thd
->
lock
=
mysql_lock_tables
(
thd
,
&
di
->
table
,
1
,
MYSQL_LOCK_IGNORE_GLOBAL_READ_LOCK
)))
{
{
di
->
dead
=
1
;
// Some fatal error
di
->
dead
=
1
;
// Some fatal error
thd
->
killed
=
1
;
thd
->
killed
=
1
;
...
...
sql/sql_parse.cc
View file @
92cffda5
...
@@ -2443,6 +2443,24 @@ mysql_execute_command(THD *thd)
...
@@ -2443,6 +2443,24 @@ mysql_execute_command(THD *thd)
lex
->
create_info
.
default_table_charset
=
lex
->
create_info
.
table_charset
;
lex
->
create_info
.
default_table_charset
=
lex
->
create_info
.
table_charset
;
lex
->
create_info
.
table_charset
=
0
;
lex
->
create_info
.
table_charset
=
0
;
}
}
/*
The create-select command will open and read-lock the select table
and then create, open and write-lock the new table. If a global
read lock steps in, we get a deadlock. The write lock waits for
the global read lock, while the global read lock waits for the
select table to be closed. So we wait until the global readlock is
gone before starting both steps. Note that
wait_if_global_read_lock() sets a protection against a new global
read lock when it succeeds. This needs to be released by
start_waiting_global_read_lock(). We protect the normal CREATE
TABLE in the same way. That way we avoid that a new table is
created during a gobal read lock.
*/
if
(
wait_if_global_read_lock
(
thd
,
0
,
1
))
{
res
=
-
1
;
goto
unsent_create_error
;
}
if
(
select_lex
->
item_list
.
elements
)
// With select
if
(
select_lex
->
item_list
.
elements
)
// With select
{
{
select_result
*
result
;
select_result
*
result
;
...
@@ -2493,13 +2511,17 @@ mysql_execute_command(THD *thd)
...
@@ -2493,13 +2511,17 @@ mysql_execute_command(THD *thd)
if
(
!
res
)
if
(
!
res
)
send_ok
(
thd
);
send_ok
(
thd
);
}
}
/*
Release the protection against the global read lock and wake
everyone, who might want to set a global read lock.
*/
start_waiting_global_read_lock
(
thd
);
// put tables back for PS rexecuting
// put tables back for PS rexecuting
tables
=
lex
->
link_first_table_back
(
tables
,
create_table
,
tables
=
lex
->
link_first_table_back
(
tables
,
create_table
,
create_table_local
);
create_table_local
);
break
;
break
;
res
=
1
;
//error reported
unsent_create_error:
unsent_create_error:
// put tables back for PS rexecuting
// put tables back for PS rexecuting
tables
=
lex
->
link_first_table_back
(
tables
,
create_table
,
tables
=
lex
->
link_first_table_back
(
tables
,
create_table
,
...
@@ -3672,6 +3694,14 @@ error:
...
@@ -3672,6 +3694,14 @@ error:
thd
->
lock
=
0
;
thd
->
lock
=
0
;
}
}
DBUG_VOID_RETURN
;
DBUG_VOID_RETURN
;
error1:
/*
Release the protection against the global read lock and wake
everyone, who might want to set a global read lock.
*/
start_waiting_global_read_lock
(
thd
);
DBUG_VOID_RETURN
;
}
}
...
...
sql/sql_table.cc
View file @
92cffda5
...
@@ -1536,7 +1536,7 @@ TABLE *create_table_from_items(THD *thd, HA_CREATE_INFO *create_info,
...
@@ -1536,7 +1536,7 @@ TABLE *create_table_from_items(THD *thd, HA_CREATE_INFO *create_info,
if
(
!
table
)
if
(
!
table
)
DBUG_RETURN
(
0
);
DBUG_RETURN
(
0
);
table
->
reginfo
.
lock_type
=
TL_WRITE
;
table
->
reginfo
.
lock_type
=
TL_WRITE
;
if
(
!
((
*
lock
)
=
mysql_lock_tables
(
thd
,
&
table
,
1
)))
if
(
!
((
*
lock
)
=
mysql_lock_tables
(
thd
,
&
table
,
1
,
MYSQL_LOCK_IGNORE_FLUSH
)))
{
{
VOID
(
pthread_mutex_lock
(
&
LOCK_open
));
VOID
(
pthread_mutex_lock
(
&
LOCK_open
));
hash_delete
(
&
open_cache
,(
byte
*
)
table
);
hash_delete
(
&
open_cache
,(
byte
*
)
table
);
...
...
sql/sql_yacc.yy
View file @
92cffda5
...
@@ -5016,7 +5016,31 @@ simple_ident:
...
@@ -5016,7 +5016,31 @@ simple_ident:
field_ident:
field_ident:
ident { $$=$1;}
ident { $$=$1;}
| ident '.' ident { $$=$3;} /* Skip schema name in create*/
| ident '.' ident '.' ident
{
TABLE_LIST *table= (TABLE_LIST*) Select->table_list.first;
if (my_strcasecmp(table_alias_charset, $1.str, table->db))
{
net_printf(YYTHD, ER_WRONG_DB_NAME, $1.str);
YYABORT;
}
if (my_strcasecmp(table_alias_charset, $3.str, table->real_name))
{
net_printf(YYTHD, ER_WRONG_TABLE_NAME, $3.str);
YYABORT;
}
$$=$5;
}
| ident '.' ident
{
TABLE_LIST *table= (TABLE_LIST*) Select->table_list.first;
if (my_strcasecmp(table_alias_charset, $1.str, table->alias))
{
net_printf(YYTHD, ER_WRONG_TABLE_NAME, $1.str);
YYABORT;
}
$$=$3;
}
| '.' ident { $$=$2;} /* For Delphi */;
| '.' ident { $$=$2;} /* For Delphi */;
table_ident:
table_ident:
...
...
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