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nexedi
MariaDB
Commits
facc7b4d
Commit
facc7b4d
authored
Feb 09, 2005
by
msvensson@neptunus.homeip.net
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Updated style after review
parent
6c9cf886
Changes
1
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Showing
1 changed file
with
87 additions
and
87 deletions
+87
-87
sql/ha_ndbcluster.cc
sql/ha_ndbcluster.cc
+87
-87
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sql/ha_ndbcluster.cc
View file @
facc7b4d
...
...
@@ -4834,16 +4834,16 @@ uint8 ha_ndbcluster::table_cache_type()
}
uint
ndb_get_commitcount
(
THD
*
thd
,
char
*
dbname
,
char
*
tabname
,
Uint64
*
commit_count
)
uint
ndb_get_commitcount
(
THD
*
thd
,
char
*
dbname
,
char
*
tabname
,
Uint64
*
commit_count
)
{
DBUG_ENTER
(
"ndb_get_commitcount"
);
if
(
ndb_cache_check_time
>
0
)
{
/
/ Use cached commit_count from share
/
* Use cached commit_count from share */
char
name
[
FN_REFLEN
];
NDB_SHARE
*
share
;
NDB_SHARE
*
share
;
(
void
)
strxnmov
(
name
,
FN_REFLEN
,
"./"
,
dbname
,
"/"
,
tabname
,
NullS
);
DBUG_PRINT
(
"info"
,
(
"name: %s"
,
name
));
...
...
@@ -4861,7 +4861,7 @@ uint ndb_get_commitcount(THD* thd, char* dbname, char* tabname,
DBUG_RETURN
(
0
);
}
/
/ Get commit_count from NDB
/
* Get commit_count from NDB */
Ndb
*
ndb
;
if
(
!
(
ndb
=
check_ndb_in_thd
(
thd
)))
DBUG_RETURN
(
1
);
...
...
@@ -4906,16 +4906,16 @@ uint ndb_get_commitcount(THD* thd, char* dbname, char* tabname,
*/
static
my_bool
ndbcluster_cache_retrieval_allowed
(
THD
*
thd
,
char
*
full_name
,
uint
full_name_len
,
ndbcluster_cache_retrieval_allowed
(
THD
*
thd
,
char
*
full_name
,
uint
full_name_len
,
ulonglong
*
engine_data
)
{
DBUG_ENTER
(
"ndbcluster_cache_retrieval_allowed"
);
Uint64
commit_count
;
bool
is_autocommit
=
!
(
thd
->
options
&
(
OPTION_NOT_AUTOCOMMIT
|
OPTION_BEGIN
));
char
*
dbname
=
full_name
;
char
*
tabname
=
dbname
+
strlen
(
dbname
)
+
1
;
char
*
dbname
=
full_name
;
char
*
tabname
=
dbname
+
strlen
(
dbname
)
+
1
;
DBUG_PRINT
(
"enter"
,(
"dbname=%s, tabname=%s, autocommit=%d"
,
dbname
,
tabname
,
is_autocommit
));
...
...
@@ -4925,14 +4925,14 @@ ndbcluster_cache_retrieval_allowed(THD* thd,
if
(
ndb_get_commitcount
(
thd
,
dbname
,
tabname
,
&
commit_count
))
{
*
engine_data
+=
1
;
/
/ invalidate
*
engine_data
+=
1
;
/
* invalidate */
DBUG_RETURN
(
FALSE
);
}
DBUG_PRINT
(
"info"
,
(
"*engine_data=%llu, commit_count=%llu"
,
*
engine_data
,
commit_count
));
if
(
*
engine_data
!=
commit_count
)
{
*
engine_data
=
commit_count
;
/
/ invalidate
*
engine_data
=
commit_count
;
/
* invalidate */
DBUG_PRINT
(
"exit"
,(
"Do not use cache, commit_count has changed"
));
DBUG_RETURN
(
FALSE
);
}
...
...
@@ -4965,8 +4965,8 @@ ndbcluster_cache_retrieval_allowed(THD* thd,
*/
my_bool
ha_ndbcluster
::
register_query_cache_table
(
THD
*
thd
,
char
*
full_name
,
uint
full_name_len
,
ha_ndbcluster
::
register_query_cache_table
(
THD
*
thd
,
char
*
full_name
,
uint
full_name_len
,
qc_engine_callback
*
engine_callback
,
ulonglong
*
engine_data
)
{
...
...
@@ -4978,7 +4978,6 @@ ha_ndbcluster::register_query_cache_table(THD* thd,
if
(
!
is_autocommit
)
DBUG_RETURN
(
FALSE
);
Uint64
commit_count
;
if
(
ndb_get_commitcount
(
thd
,
m_dbname
,
m_tabname
,
&
commit_count
))
{
...
...
@@ -4992,6 +4991,7 @@ ha_ndbcluster::register_query_cache_table(THD* thd,
DBUG_RETURN
(
TRUE
);
}
/*
Handling the shared NDB_SHARE structure that is needed to
provide table locking.
...
...
@@ -5648,21 +5648,21 @@ ha_ndbcluster::update_table_comment(
extern
"C"
pthread_handler_decl
(
ndb_util_thread_func
,
arg
__attribute__
((
unused
)))
{
THD
*
thd
;
/
/ needs to be first for thread_stack
int
error
=
0
;
THD
*
thd
;
/
* needs to be first for thread_stack */
int
error
=
0
;
struct
timespec
abstime
;
my_thread_init
();
DBUG_ENTER
(
"ndb_util_thread"
);
DBUG_PRINT
(
"enter"
,
(
"ndb_cache_check_time: %d"
,
ndb_cache_check_time
));
thd
=
new
THD
;
/
/ note that contructor of THD uses DBUG_ !
thd
=
new
THD
;
/
* note that contructor of THD uses DBUG_ */
THD_CHECK_SENTRY
(
thd
);
pthread_detach_this_thread
();
ndb_util_thread
=
pthread_self
();
ndb_util_thread
=
pthread_self
();
thd
->
thread_stack
=
(
char
*
)
&
thd
;
// remember where our stack is
thd
->
thread_stack
=
(
char
*
)
&
thd
;
/* remember where our stack is */
if
(
thd
->
store_globals
())
{
thd
->
cleanup
();
...
...
@@ -5685,7 +5685,7 @@ extern "C" pthread_handler_decl(ndb_util_thread_func,
ndb_cache_check_time
));
if
(
abort_loop
)
break
;
/
/ Shutting down server
break
;
/
* Shutting down server */
if
(
ndb_cache_check_time
==
0
)
{
...
...
@@ -5693,32 +5693,31 @@ extern "C" pthread_handler_decl(ndb_util_thread_func,
continue
;
}
/
/ Set new time to wake up
/
* Set new time to wake up */
set_timespec
(
abstime
,
ndb_cache_check_time
);
/
/ Lock mutex and fill list with pointers to all open tables
/
* Lock mutex and fill list with pointers to all open tables */
NDB_SHARE
*
share
;
pthread_mutex_lock
(
&
ndbcluster_mutex
);
for
(
uint
i
=
0
;
i
<
ndbcluster_open_tables
.
records
;
i
++
)
{
share
=
(
NDB_SHARE
*
)
hash_element
(
&
ndbcluster_open_tables
,
i
);
share
->
use_count
++
;
/
/ Make sure the table can't be closed
share
->
use_count
++
;
/
* Make sure the table can't be closed */
DBUG_PRINT
(
"ndb_util_thread"
,
(
"Found open table[%d]: %s, use_count: %d"
,
i
,
share
->
table_name
,
share
->
use_count
));
/
/ Store pointer to table
/
* Store pointer to table */
util_open_tables
.
push_back
(
share
);
}
pthread_mutex_unlock
(
&
ndbcluster_mutex
);
// Iterate through the open files list
/* Iterate through the open files list */
List_iterator_fast
<
NDB_SHARE
>
it
(
util_open_tables
);
while
(
share
=
it
++
)
while
(
share
=
it
++
)
{
/
/ Split tab- and dbname
/
* Split tab- and dbname */
char
buf
[
FN_REFLEN
];
char
*
tabname
,
*
db
;
uint
length
=
dirname_length
(
share
->
table_name
);
...
...
@@ -5730,10 +5729,11 @@ extern "C" pthread_handler_decl(ndb_util_thread_func,
(
"Fetching commit count for: %s, db: %s, tab: %s"
,
share
->
table_name
,
db
,
tabname
));
/
/ Contact NDB to get commit count for table
/
* Contact NDB to get commit count for table */
g_ndb
->
setDatabaseName
(
db
);
struct
Ndb_statistics
stat
;;
if
(
ndb_get_table_statistics
(
g_ndb
,
tabname
,
&
stat
)
==
0
){
if
(
ndb_get_table_statistics
(
g_ndb
,
tabname
,
&
stat
)
==
0
)
{
DBUG_PRINT
(
"ndb_util_thread"
,
(
"Table: %s, rows: %llu, commit_count: %llu"
,
share
->
table_name
,
stat
.
row_count
,
stat
.
commit_count
));
...
...
@@ -5744,13 +5744,13 @@ extern "C" pthread_handler_decl(ndb_util_thread_func,
DBUG_PRINT
(
"ndb_util_thread"
,
(
"Error: Could not get commit count for table %s"
,
share
->
table_name
));
share
->
commit_count
++
;
// Invalidate
share
->
commit_count
++
;
/* Invalidate */
}
/
/ Decrease the use count and possibly free share
/
* Decrease the use count and possibly free share */
free_share
(
share
);
}
/
/ Clear the list of open tables
/
* Clear the list of open tables */
util_open_tables
.
empty
();
}
...
...
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