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Kirill Smelkov
mariadb
Commits
d1056a7c
Commit
d1056a7c
authored
Feb 28, 2006
by
andrey@lmy004
Browse files
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Merge ahristov@bk-internal.mysql.com:/home/bk/mysql-5.1-new
into lmy004.:/work/mysql-5.1-bug16537
parents
3fb0e543
780d6344
Changes
8
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Showing
8 changed files
with
378 additions
and
253 deletions
+378
-253
mysql-test/r/events.result
mysql-test/r/events.result
+48
-0
mysql-test/t/events.test
mysql-test/t/events.test
+32
-0
sql/event.cc
sql/event.cc
+122
-120
sql/event.h
sql/event.h
+3
-0
sql/event_executor.cc
sql/event_executor.cc
+66
-63
sql/event_timed.cc
sql/event_timed.cc
+92
-56
sql/sql_show.cc
sql/sql_show.cc
+12
-14
sql/sql_yacc.yy
sql/sql_yacc.yy
+3
-0
No files found.
mysql-test/r/events.result
View file @
d1056a7c
...
...
@@ -37,6 +37,54 @@ alter event event3 rename to event2;
drop event event2;
create event event2 on schedule every 2 second starts now() ends date_add(now(), interval 5 hour) comment "some" DO begin end;
drop event event2;
CREATE EVENT event_starts_test ON SCHEDULE EVERY 10 SECOND COMMENT "" DO SELECT 1;
SHOW EVENTS;
Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
events_test event_starts_test root@localhost RECURRING NULL 10 SECOND # # ENABLED
SELECT starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test';
starts IS NULL ends IS NULL comment
0 1
ALTER EVENT event_starts_test ON SCHEDULE AT '2020-02-02 20:00:02';
SHOW EVENTS;
Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
events_test event_starts_test root@localhost ONE TIME 2020-02-02 17:00:02 NULL NULL # # ENABLED
SELECT starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test';
starts IS NULL ends IS NULL comment
1 1
ALTER EVENT event_starts_test COMMENT "non-empty comment";
SHOW EVENTS;
Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
events_test event_starts_test root@localhost ONE TIME 2020-02-02 17:00:02 NULL NULL # # ENABLED
SELECT starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test';
starts IS NULL ends IS NULL comment
1 1 non-empty comment
ALTER EVENT event_starts_test COMMENT "";
SHOW EVENTS;
Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
events_test event_starts_test root@localhost ONE TIME 2020-02-02 17:00:02 NULL NULL # # ENABLED
SELECT starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test';
starts IS NULL ends IS NULL comment
1 1
DROP EVENT event_starts_test;
CREATE EVENT event_starts_test ON SCHEDULE EVERY 20 SECOND STARTS '2020-02-02 20:00:02' ENDS '2022-02-02 20:00:02' DO SELECT 2;
SHOW EVENTS;
Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
events_test event_starts_test root@localhost RECURRING NULL 20 SECOND # # ENABLED
SELECT starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test';
starts IS NULL ends IS NULL comment
0 0
ALTER EVENT event_starts_test COMMENT "non-empty comment";
SHOW EVENTS;
Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
events_test event_starts_test root@localhost RECURRING NULL 20 SECOND # # ENABLED
SELECT starts IS NULL, ends IS NULL, comment FROM mysql.event WHERE db='events_test' AND name='event_starts_test';
starts IS NULL ends IS NULL comment
0 0 non-empty comment
ALTER EVENT event_starts_test COMMENT "";
SHOW EVENTS;
Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
events_test event_starts_test root@localhost RECURRING NULL 20 SECOND # # ENABLED
DROP EVENT event_starts_test;
create event e_43 on schedule every 1 second do set @a = 5;
set global event_scheduler = 1;
alter event e_43 do alter event e_43 do set @a = 4;
...
...
mysql-test/t/events.test
View file @
d1056a7c
...
...
@@ -48,6 +48,38 @@ drop event event2;
create
event
event2
on
schedule
every
2
second
starts
now
()
ends
date_add
(
now
(),
interval
5
hour
)
comment
"some"
DO
begin
end
;
drop
event
event2
;
# BUG #16537 (Events: mysql.event.starts is null)
CREATE
EVENT
event_starts_test
ON
SCHEDULE
EVERY
10
SECOND
COMMENT
""
DO
SELECT
1
;
--
replace_column
8
# 9 #
SHOW
EVENTS
;
SELECT
starts
IS
NULL
,
ends
IS
NULL
,
comment
FROM
mysql
.
event
WHERE
db
=
'events_test'
AND
name
=
'event_starts_test'
;
ALTER
EVENT
event_starts_test
ON
SCHEDULE
AT
'2020-02-02 20:00:02'
;
--
replace_column
8
# 9 #
SHOW
EVENTS
;
SELECT
starts
IS
NULL
,
ends
IS
NULL
,
comment
FROM
mysql
.
event
WHERE
db
=
'events_test'
AND
name
=
'event_starts_test'
;
ALTER
EVENT
event_starts_test
COMMENT
"non-empty comment"
;
--
replace_column
8
# 9 #
SHOW
EVENTS
;
SELECT
starts
IS
NULL
,
ends
IS
NULL
,
comment
FROM
mysql
.
event
WHERE
db
=
'events_test'
AND
name
=
'event_starts_test'
;
ALTER
EVENT
event_starts_test
COMMENT
""
;
--
replace_column
8
# 9 #
SHOW
EVENTS
;
SELECT
starts
IS
NULL
,
ends
IS
NULL
,
comment
FROM
mysql
.
event
WHERE
db
=
'events_test'
AND
name
=
'event_starts_test'
;
DROP
EVENT
event_starts_test
;
CREATE
EVENT
event_starts_test
ON
SCHEDULE
EVERY
20
SECOND
STARTS
'2020-02-02 20:00:02'
ENDS
'2022-02-02 20:00:02'
DO
SELECT
2
;
--
replace_column
8
# 9 #
SHOW
EVENTS
;
SELECT
starts
IS
NULL
,
ends
IS
NULL
,
comment
FROM
mysql
.
event
WHERE
db
=
'events_test'
AND
name
=
'event_starts_test'
;
ALTER
EVENT
event_starts_test
COMMENT
"non-empty comment"
;
--
replace_column
8
# 9 #
SHOW
EVENTS
;
SELECT
starts
IS
NULL
,
ends
IS
NULL
,
comment
FROM
mysql
.
event
WHERE
db
=
'events_test'
AND
name
=
'event_starts_test'
;
ALTER
EVENT
event_starts_test
COMMENT
""
;
--
replace_column
8
# 9 #
SHOW
EVENTS
;
DROP
EVENT
event_starts_test
;
#
#
create
event
e_43
on
schedule
every
1
second
do
set
@
a
=
5
;
set
global
event_scheduler
=
1
;
--
sleep
2
...
...
sql/event.cc
View file @
d1056a7c
...
...
@@ -120,6 +120,7 @@ static TABLE_FIELD_W_TYPE event_table_fields[EVEX_FIELD_COUNT] = {
{
{(
char
*
)
STRING_WITH_LEN
(
"last_executed"
)},
{(
char
*
)
STRING_WITH_LEN
(
"datetime"
)},
{
NULL
,
0
}
},
{
{(
char
*
)
STRING_WITH_LEN
(
"starts"
)},
...
...
@@ -343,8 +344,6 @@ event_timed_compare_q(void *vptr, byte* a, byte *b)
RETURNS
0 - OK
1 - Error
*/
int
...
...
@@ -619,7 +618,7 @@ evex_fill_row(THD *thd, TABLE *table, event_timed *et, my_bool is_update)
store
(
et
->
name
.
str
,
et
->
name
.
length
,
system_charset_info
))
goto
trunc_err
;
/
/ both ON_COMPLETION and STATUS are NOT NULL thus not calling set_notnull()
/
* both ON_COMPLETION and STATUS are NOT NULL thus not calling set_notnull() */
table
->
field
[
EVEX_FIELD_ON_COMPLETION
]
->
store
((
longlong
)
et
->
on_completion
);
table
->
field
[
EVEX_FIELD_STATUS
]
->
store
((
longlong
)
et
->
status
);
...
...
@@ -637,20 +636,6 @@ evex_fill_row(THD *thd, TABLE *table, event_timed *et, my_bool is_update)
goto
trunc_err
;
}
if
(
et
->
starts
.
year
)
{
table
->
field
[
EVEX_FIELD_STARTS
]
->
set_notnull
();
// set NULL flag to OFF
table
->
field
[
EVEX_FIELD_STARTS
]
->
store_time
(
&
et
->
starts
,
MYSQL_TIMESTAMP_DATETIME
);
}
if
(
et
->
ends
.
year
)
{
table
->
field
[
EVEX_FIELD_ENDS
]
->
set_notnull
();
table
->
field
[
EVEX_FIELD_ENDS
]
->
store_time
(
&
et
->
ends
,
MYSQL_TIMESTAMP_DATETIME
);
}
if
(
et
->
expression
)
{
table
->
field
[
EVEX_FIELD_INTERVAL_EXPR
]
->
set_notnull
();
...
...
@@ -664,36 +649,54 @@ evex_fill_row(THD *thd, TABLE *table, event_timed *et, my_bool is_update)
table
->
field
[
EVEX_FIELD_TRANSIENT_INTERVAL
]
->
store
((
longlong
)
et
->
interval
+
1
);
table
->
field
[
EVEX_FIELD_EXECUTE_AT
]
->
set_null
();
if
(
!
et
->
starts_null
)
{
table
->
field
[
EVEX_FIELD_STARTS
]
->
set_notnull
();
table
->
field
[
EVEX_FIELD_STARTS
]
->
store_time
(
&
et
->
starts
,
MYSQL_TIMESTAMP_DATETIME
);
}
if
(
!
et
->
ends_null
)
{
table
->
field
[
EVEX_FIELD_ENDS
]
->
set_notnull
();
table
->
field
[
EVEX_FIELD_ENDS
]
->
store_time
(
&
et
->
ends
,
MYSQL_TIMESTAMP_DATETIME
);
}
}
else
if
(
et
->
execute_at
.
year
)
{
// fix_fields already called in init_execute_at
table
->
field
[
EVEX_FIELD_INTERVAL_EXPR
]
->
set_null
();
table
->
field
[
EVEX_FIELD_TRANSIENT_INTERVAL
]
->
set_null
();
table
->
field
[
EVEX_FIELD_STARTS
]
->
set_null
();
table
->
field
[
EVEX_FIELD_ENDS
]
->
set_null
();
table
->
field
[
EVEX_FIELD_EXECUTE_AT
]
->
set_notnull
();
table
->
field
[
EVEX_FIELD_EXECUTE_AT
]
->
store_time
(
&
et
->
execute_at
,
MYSQL_TIMESTAMP_DATETIME
);
table
->
field
[
EVEX_FIELD_TRANSIENT_INTERVAL
]
->
set_null
();
}
else
{
DBUG_ASSERT
(
is_update
);
// it is normal to be here when the action is update
// this is an error if the action is create. something is borked
/*
it is normal to be here when the action is update
this is an error if the action is create. something is borked
*/
}
((
Field_timestamp
*
)
table
->
field
[
EVEX_FIELD_MODIFIED
])
->
set_time
();
if
(
et
->
comment
.
length
)
if
(
table
->
field
[
field_num
=
EVEX_FIELD_COMMENT
]
->
store
(
et
->
comment
.
str
,
et
->
comment
.
length
,
system_charset_info
))
if
(
et
->
comment
.
str
)
{
if
(
table
->
field
[
field_num
=
EVEX_FIELD_COMMENT
]
->
store
(
et
->
comment
.
str
,
et
->
comment
.
length
,
system_charset_info
))
goto
trunc_err
;
}
DBUG_RETURN
(
0
);
trunc_err:
my_error
(
ER_EVENT_DATA_TOO_LONG
,
MYF
(
0
));
my_error
(
ER_EVENT_DATA_TOO_LONG
,
MYF
(
0
)
,
table
->
field
[
field_num
]
->
field_name
);
DBUG_RETURN
(
EVEX_GENERAL_ERROR
);
}
...
...
@@ -797,7 +800,10 @@ db_create_event(THD *thd, event_timed *et, my_bool create_if_not,
((
Field_timestamp
*
)
table
->
field
[
EVEX_FIELD_CREATED
])
->
set_time
();
// evex_fill_row() calls my_error() in case of error so no need to handle it here
/*
evex_fill_row() calls my_error() in case of error so no need to
handle it here
*/
if
((
ret
=
evex_fill_row
(
thd
,
table
,
et
,
false
)))
goto
err
;
...
...
@@ -807,6 +813,7 @@ db_create_event(THD *thd, event_timed *et, my_bool create_if_not,
goto
err
;
}
#ifdef USE_THIS_CODE_AS_TEMPLATE_WHEN_EVENT_REPLICATION_IS_AGREED
if
(
mysql_bin_log
.
is_open
())
{
thd
->
clear_error
();
...
...
@@ -814,6 +821,7 @@ db_create_event(THD *thd, event_timed *et, my_bool create_if_not,
thd
->
binlog_query
(
THD
::
MYSQL_QUERY_TYPE
,
thd
->
query
,
thd
->
query_length
,
FALSE
,
FALSE
);
}
#endif
*
rows_affected
=
1
;
ok:
...
...
@@ -865,7 +873,7 @@ db_update_event(THD *thd, event_timed *et, sp_name *new_name)
goto
err
;
}
/
/ first look whether we overwrite
/
* first look whether we overwrite */
if
(
new_name
)
{
if
(
!
sortcmp_lex_string
(
et
->
name
,
new_name
->
m_name
,
system_charset_info
)
&&
...
...
@@ -894,13 +902,12 @@ db_update_event(THD *thd, event_timed *et, sp_name *new_name)
goto
err
;
}
store_record
(
table
,
record
[
1
]);
/
/ Don't update create on row update.
/
* Don't update create on row update. */
table
->
timestamp_field_type
=
TIMESTAMP_NO_AUTO_SET
;
/
/ evex_fill_row() calls my_error() in case of error so no need to handle it here
/
* evex_fill_row() calls my_error() in case of error so no need to handle it here */
if
((
ret
=
evex_fill_row
(
thd
,
table
,
et
,
true
)))
goto
err
;
...
...
@@ -918,7 +925,7 @@ db_update_event(THD *thd, event_timed *et, sp_name *new_name)
goto
err
;
}
/
/ close mysql.event or we crash later when loading the event from disk
/
* close mysql.event or we crash later when loading the event from disk */
close_thread_tables
(
thd
);
DBUG_RETURN
(
0
);
...
...
@@ -995,7 +1002,7 @@ done:
delete
et
;
et
=
0
;
}
/
/ don't close the table if we haven't opened it ourselves
/
* don't close the table if we haven't opened it ourselves */
if
(
!
tbl
&&
table
)
close_thread_tables
(
thd
);
*
ett
=
et
;
...
...
@@ -1017,7 +1024,6 @@ done:
RETURN VALUE
0 - OK
< 0 - error (in this case underlying functions call my_error()).
*/
static
int
...
...
@@ -1036,7 +1042,7 @@ evex_load_and_compile_event(THD * thd, sp_name *spn, LEX_STRING definer,
thd
->
mem_root
=
&
evex_mem_root
;
thd
->
reset_n_backup_open_tables_state
(
&
backup
);
/
/ no need to use my_error() here because db_find_event() has done it
/
* no need to use my_error() here because db_find_event() has done it */
ret
=
db_find_event
(
thd
,
spn
,
&
definer
,
&
ett
,
NULL
,
NULL
);
thd
->
restore_backup_open_tables_state
(
&
backup
);
if
(
ret
)
...
...
@@ -1088,7 +1094,7 @@ done:
ALTER EVENT.
RETURNS
0
-
OK (always)
0 OK (always)
*/
static
int
...
...
@@ -1131,7 +1137,7 @@ evex_remove_from_cache(LEX_STRING *db, LEX_STRING *name, bool use_lock,
}
DBUG_PRINT
(
"evex_remove_from_cache"
,
(
"delete from queue"
));
evex_queue_delete_element
(
&
EVEX_EQ_NAME
,
i
);
/
/ ok, we have cleaned
/
* ok, we have cleaned */
ret
=
0
;
goto
done
;
}
...
...
@@ -1185,7 +1191,7 @@ evex_create_event(THD *thd, event_timed *et, uint create_options,
VOID
(
pthread_mutex_unlock
(
&
LOCK_evex_running
));
done:
/
/ No need to close the table, it will be closed in sql_parse::do_command
/
* No need to close the table, it will be closed in sql_parse::do_command */
DBUG_RETURN
(
ret
);
}
...
...
@@ -1259,7 +1265,6 @@ done:
et event's name
drop_if_exists if set and the event not existing => warning onto the stack
rows_affected affected number of rows is returned heres
*/
int
db_drop_event
(
THD
*
thd
,
event_timed
*
et
,
bool
drop_if_exists
,
...
...
@@ -1362,7 +1367,6 @@ evex_drop_event(THD *thd, event_timed *et, bool drop_if_exists,
RETURNS
0 - OK
1 - Error during writing to the wire
*/
int
...
...
@@ -1413,7 +1417,6 @@ evex_show_create_event(THD *thd, sp_name *spn, LEX_STRING definer)
protocol
->
store
((
char
*
)
sql_mode_str
,
sql_mode_len
,
system_charset_info
);
protocol
->
store
(
show_str
.
c_ptr
(),
show_str
.
length
(),
system_charset_info
);
ret
=
protocol
->
write
();
send_eof
(
thd
);
...
...
@@ -1449,7 +1452,6 @@ evex_show_create_event(THD *thd, sp_name *spn, LEX_STRING definer)
spawned and can_spawn() is the right method.
- event_timed::can_spawn() returns false -> being runned ATM
just set the flags so it should drop itself.
*/
int
...
...
@@ -1521,7 +1523,7 @@ evex_drop_db_events(THD *thd, char *db)
}
DBUG_PRINT
(
"info"
,(
"%d elements in the queue"
,
evex_queue_num_elements
(
EVEX_EQ_NAME
)));
evex_queue_delete_element
(
&
EVEX_EQ_NAME
,
i
);
//
1
is top
evex_queue_delete_element
(
&
EVEX_EQ_NAME
,
i
);
//
0
is top
DBUG_PRINT
(
"info"
,(
"%d elements in the queue"
,
evex_queue_num_elements
(
EVEX_EQ_NAME
)));
/*
...
...
@@ -1598,7 +1600,7 @@ end:
VOID
(
pthread_mutex_unlock
(
&
LOCK_event_arrays
));
end_read_record
(
&
read_record_info
);
thd
->
version
--
;
// Force close to free memory
thd
->
version
--
;
/* Force close to free memory */
close_thread_tables
(
thd
);
...
...
sql/event.h
View file @
d1056a7c
...
...
@@ -103,6 +103,9 @@ public:
TIME
starts
;
TIME
ends
;
TIME
execute_at
;
my_bool
starts_null
;
my_bool
ends_null
;
my_bool
execute_at_null
;
longlong
expression
;
interval_type
interval
;
...
...
sql/event_executor.cc
View file @
d1056a7c
...
...
@@ -135,7 +135,7 @@ evex_check_system_tables()
bool
not_used
;
Open_tables_state
backup
;
/
/ thd is 0x0 during boot of the server. Later it's !=0x0
/
* thd is 0x0 during boot of the server. Later it's !=0x0 */
if
(
!
thd
)
return
;
...
...
@@ -206,7 +206,7 @@ init_events()
if
(
event_executor_running_global_var
)
{
#ifndef DBUG_FAULTY_THR
/
/TODO Andrey: Change the error code returned!
/
* TODO Andrey: Change the error code returned! */
if
(
pthread_create
(
&
th
,
&
connection_attrib
,
event_executor_main
,(
void
*
)
NULL
))
DBUG_RETURN
(
ER_SLAVE_THREAD
);
#else
...
...
@@ -339,14 +339,14 @@ executor_wait_till_next_event_exec(THD *thd)
if
(
et
->
dropped
)
et
->
drop
(
thd
);
delete
et
;
evex_queue_delete_element
(
&
EVEX_EQ_NAME
,
1
);
// 1 is top
evex_queue_delete_element
(
&
EVEX_EQ_NAME
,
0
);
// 0 is top, internally 1
VOID
(
pthread_mutex_unlock
(
&
LOCK_event_arrays
));
sql_print_information
(
"Event found disabled, dropping."
);
DBUG_RETURN
(
1
);
}
DBUG_PRINT
(
"evex main thread"
,(
"computing time to sleep till next exec"
));
/
/ set the internal clock of thd
/
* set the internal clock of thd */
thd
->
end_time
();
my_tz_UTC
->
gmt_sec_to_TIME
(
&
time_now
,
thd
->
query_start
());
t2sleep
=
evex_time_diff
(
&
et
->
execute_at
,
&
time_now
);
...
...
@@ -387,7 +387,7 @@ executor_wait_till_next_event_exec(THD *thd)
SYNOPSIS
event_executor_main()
arg
-
unused
arg unused
NOTES
1. The host of the thead is my_localhost
...
...
@@ -407,11 +407,10 @@ event_executor_main(void *arg)
DBUG_PRINT
(
"event_executor_main"
,
(
"EVEX thread started"
));
/
/ init memory root
/
* init memory root */
init_alloc_root
(
&
evex_mem_root
,
MEM_ROOT_BLOCK_SIZE
,
MEM_ROOT_PREALLOC
);
// needs to call my_thread_init(), otherwise we get a coredump in DBUG_ stuff
/* needs to call my_thread_init(), otherwise we get a coredump in DBUG_ stuff*/
my_thread_init
();
if
(
sizeof
(
my_time_t
)
!=
sizeof
(
time_t
))
...
...
@@ -422,8 +421,8 @@ event_executor_main(void *arg)
goto
err_no_thd
;
}
/
/TODO Andrey: Check for NULL
if
(
!
(
thd
=
new
THD
))
// note that contructor of THD uses DBUG_ !
/
* note that contructor of THD uses DBUG_ ! */
if
(
!
(
thd
=
new
THD
))
{
sql_print_error
(
"SCHEDULER: Cannot create THD for the main thread."
);
goto
err_no_thd
;
...
...
@@ -523,8 +522,7 @@ restart_ticking:
et
=
evex_queue_first_element
(
&
EVEX_EQ_NAME
,
event_timed
*
);
DBUG_PRINT
(
"evex main thread"
,(
"got event from the queue"
));
if
(
et
->
execute_at
.
year
>
1969
&&
my_time_compare
(
&
time_now
,
&
et
->
execute_at
)
==
-
1
)
if
(
!
et
->
execute_at_null
&&
my_time_compare
(
&
time_now
,
&
et
->
execute_at
)
==
-
1
)
{
DBUG_PRINT
(
"evex main thread"
,(
"still not the time for execution"
));
VOID
(
pthread_mutex_unlock
(
&
LOCK_event_arrays
));
...
...
@@ -571,8 +569,11 @@ restart_ticking:
#else
event_executor_worker
((
void
*
)
et
);
#endif
if
((
et
->
execute_at
.
year
&&
!
et
->
expression
)
||
TIME_to_ulonglong_datetime
(
&
et
->
execute_at
)
==
0
)
/*
1. For one-time event : year is > 0 and expression is 0
2. For recurring, expression is != -=> check execute_at_null in this case
*/
if
((
et
->
execute_at
.
year
&&
!
et
->
expression
)
||
et
->
execute_at_null
)
et
->
flags
|=
EVENT_EXEC_NO_MORE
;
if
((
et
->
flags
&
EVENT_EXEC_NO_MORE
)
||
et
->
status
==
MYSQL_EVENT_DISABLED
)
...
...
@@ -582,10 +583,10 @@ restart_ticking:
}
DBUG_PRINT
(
"evex main thread"
,(
"unlocking"
));
VOID
(
pthread_mutex_unlock
(
&
LOCK_event_arrays
));
}
/
/ while
}
/
* while */
finish:
/
/ First manifest that this thread does not work and then destroy
/
* First manifest that this thread does not work and then destroy */
VOID
(
pthread_mutex_lock
(
&
LOCK_evex_running
));
evex_is_running
=
false
;
evex_main_thread_id
=
0
;
...
...
@@ -625,7 +626,7 @@ finish:
delete
et
;
}
VOID
(
pthread_mutex_unlock
(
&
LOCK_event_arrays
));
/
/ ... then we can thrash the whole queue at once
/
* ... then we can thrash the whole queue at once */
evex_queue_destroy
(
&
EVEX_EQ_NAME
);
thd
->
proc_info
=
"Clearing"
;
...
...
@@ -655,7 +656,7 @@ err_no_thd:
my_thread_end
();
pthread_exit
(
0
);
#endif
DBUG_RETURN
(
0
);
// Can't return anything here
DBUG_RETURN
(
0
);
// Can't return anything here
}
...
...
@@ -665,7 +666,7 @@ err_no_thd:
SYNOPSIS
event_executor_worker()
arg
- t
he event_timed object to be processed
arg
T
he event_timed object to be processed
*/
pthread_handler_t
...
...
@@ -682,7 +683,7 @@ event_executor_worker(void *event_void)
#ifndef DBUG_FAULTY_THR
my_thread_init
();
if
(
!
(
thd
=
new
THD
))
/
/ note that contructor of THD uses DBUG_ !
if
(
!
(
thd
=
new
THD
))
/
* note that contructor of THD uses DBUG_ ! */
{
sql_print_error
(
"SCHEDULER: Cannot create a THD structure in an worker."
);
goto
err_no_thd
;
...
...
@@ -697,7 +698,7 @@ event_executor_worker(void *event_void)
thd
->
init_for_queries
();
/
/ make this thread visible it has no vio -> show processlist needs this flag
/
* make this thread visible it has no vio -> show processlist needs this flag */
thd
->
system_thread
=
1
;
VOID
(
pthread_mutex_lock
(
&
LOCK_thread_count
));
...
...
@@ -778,8 +779,8 @@ err_no_thd:
thd - Thread context. Used for memory allocation in some cases.
RETURNS
0
-
OK
!0
-
Error
0 OK
!0 Error
NOTES
Reports the error to the console
...
...
@@ -845,7 +846,7 @@ evex_load_events_from_db(THD *thd)
break
;
}
/
/ let's find when to be executed
/
* let's find when to be executed */
if
(
et
->
compute_next_execution_time
())
{
sql_print_error
(
"SCHEDULER: Error while computing execution time of %s.%s."
...
...
@@ -867,7 +868,8 @@ end:
VOID
(
pthread_mutex_unlock
(
&
LOCK_event_arrays
));
end_read_record
(
&
read_record_info
);
thd
->
version
--
;
// Force close to free memory
/* Force close to free memory */
thd
->
version
--
;
close_thread_tables
(
thd
);
if
(
!
ret
)
...
...
@@ -889,13 +891,13 @@ end:
car - the new value
Returns
0
-
OK (always)
0 OK (always)
*/
bool
sys_var_event_executor
::
update
(
THD
*
thd
,
set_var
*
var
)
{
/
/ here start the thread if not running.
/
* here start the thread if not running. */
DBUG_ENTER
(
"sys_var_event_executor::update"
);
VOID
(
pthread_mutex_lock
(
&
LOCK_evex_running
));
*
value
=
var
->
save_result
.
ulong_value
;
...
...
@@ -952,7 +954,8 @@ evex_print_warnings(THD *thd, event_timed *et)
while
((
err
=
it
++
))
{
String
err_msg
(
msg_buf
,
sizeof
(
msg_buf
),
system_charset_info
);
err_msg
.
length
(
0
);
// set it to 0 or we start adding at the end
/* set it to 0 or we start adding at the end. That's the trick ;) */
err_msg
.
length
(
0
);
if
(
!
prefix
.
length
())
{
prefix
.
append
(
"SCHEDULER: ["
);
...
...
sql/event_timed.cc
View file @
d1056a7c
This diff is collapsed.
Click to expand it.
sql/sql_show.cc
View file @
d1056a7c
...
...
@@ -3957,7 +3957,7 @@ fill_events_copy_to_schema_table(THD *thd, TABLE *sch_table, TABLE *event_table)
sch_table
->
field
[
3
]
->
store
(
et
.
definer
.
str
,
et
.
definer
.
length
,
scs
);
sch_table
->
field
[
4
]
->
store
(
et
.
body
.
str
,
et
.
body
.
length
,
scs
);
/
/ [9] is SQL_MODE
/
* [9] is SQL_MODE */
{
byte
*
sql_mode_str
;
ulong
sql_mode_len
=
0
;
...
...
@@ -3972,9 +3972,9 @@ fill_events_copy_to_schema_table(THD *thd, TABLE *sch_table, TABLE *event_table)
String
show_str
;
//type
sch_table
->
field
[
5
]
->
store
(
STRING_WITH_LEN
(
"RECURRING"
),
scs
);
/
/execute_at
/
* execute_at */
sch_table
->
field
[
6
]
->
set_null
();
/
/interval_value
/
* interval_value */
//interval_type
if
(
event_reconstruct_interval_expression
(
&
show_str
,
et
.
interval
,
et
.
expression
))
...
...
@@ -3986,26 +3986,24 @@ fill_events_copy_to_schema_table(THD *thd, TABLE *sch_table, TABLE *event_table)
LEX_STRING
*
ival
=
&
interval_type_to_name
[
et
.
interval
];
sch_table
->
field
[
8
]
->
set_notnull
();
sch_table
->
field
[
8
]
->
store
(
ival
->
str
,
ival
->
length
,
scs
);
//starts & ends
sch_table
->
field
[
10
]
->
set_notnull
();
sch_table
->
field
[
10
]
->
store_time
(
&
et
.
starts
,
MYSQL_TIMESTAMP_DATETIME
);
if
(
!
et
.
ends_null
)
{
sch_table
->
field
[
11
]
->
set_notnull
();
sch_table
->
field
[
11
]
->
store_time
(
&
et
.
ends
,
MYSQL_TIMESTAMP_DATETIME
);
}
}
else
{
//type
sch_table
->
field
[
5
]
->
store
(
STRING_WITH_LEN
(
"ONE TIME"
),
scs
);
//execute_at
sch_table
->
field
[
6
]
->
set_notnull
();
sch_table
->
field
[
6
]
->
store_time
(
&
et
.
execute_at
,
MYSQL_TIMESTAMP_DATETIME
);
//interval
sch_table
->
field
[
7
]
->
set_null
();
//interval_type
sch_table
->
field
[
8
]
->
set_null
();
//starts & ends
sch_table
->
field
[
10
]
->
set_null
();
sch_table
->
field
[
11
]
->
set_null
();
}
//status
...
...
sql/sql_yacc.yy
View file @
d1056a7c
...
...
@@ -1476,6 +1476,9 @@ opt_ev_status: /* empty */ { $$= 0; }
;
ev_starts: /* empty */
{
Lex->et->init_starts(YYTHD, new Item_func_now_local());
}
| STARTS_SYM expr
{
LEX *lex= Lex;
...
...
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