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体验新版 GitCode,发现更多精彩内容 >>
提交
13000b44
编写于
6月 12, 2011
作者:
H
Heikki Linnakangas
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Remove now-unnecessary casts.
Kevin Grittner
上级
5fe241c5
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
20 addition
and
21 deletion
+20
-21
src/backend/storage/lmgr/predicate.c
src/backend/storage/lmgr/predicate.c
+20
-21
未找到文件。
src/backend/storage/lmgr/predicate.c
浏览文件 @
13000b44
...
...
@@ -1432,8 +1432,7 @@ GetSafeSnapshot(Snapshot origSnapshot)
* them marked us as conflicted.
*/
MySerializableXact
->
flags
|=
SXACT_FLAG_DEFERRABLE_WAITING
;
while
(
!
(
SHMQueueEmpty
((
SHM_QUEUE
*
)
&
MySerializableXact
->
possibleUnsafeConflicts
)
||
while
(
!
(
SHMQueueEmpty
(
&
MySerializableXact
->
possibleUnsafeConflicts
)
||
SxactIsROUnsafe
(
MySerializableXact
)))
{
LWLockRelease
(
SerializableXactHashLock
);
...
...
@@ -3114,13 +3113,13 @@ ReleasePredicateLocks(const bool isCommit)
* opposed to 'outLink' for the r/w xacts.
*/
possibleUnsafeConflict
=
(
RWConflict
)
SHMQueueNext
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
possibleUnsafeConflicts
,
(
SHM_QUEUE
*
)
&
MySerializableXact
->
possibleUnsafeConflicts
,
SHMQueueNext
(
&
MySerializableXact
->
possibleUnsafeConflicts
,
&
MySerializableXact
->
possibleUnsafeConflicts
,
offsetof
(
RWConflictData
,
inLink
));
while
(
possibleUnsafeConflict
)
{
nextConflict
=
(
RWConflict
)
SHMQueueNext
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
possibleUnsafeConflicts
,
SHMQueueNext
(
&
MySerializableXact
->
possibleUnsafeConflicts
,
&
possibleUnsafeConflict
->
inLink
,
offsetof
(
RWConflictData
,
inLink
));
...
...
@@ -3153,13 +3152,13 @@ ReleasePredicateLocks(const bool isCommit)
* previously committed transactions.
*/
conflict
=
(
RWConflict
)
SHMQueueNext
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
outConflicts
,
(
SHM_QUEUE
*
)
&
MySerializableXact
->
outConflicts
,
SHMQueueNext
(
&
MySerializableXact
->
outConflicts
,
&
MySerializableXact
->
outConflicts
,
offsetof
(
RWConflictData
,
outLink
));
while
(
conflict
)
{
nextConflict
=
(
RWConflict
)
SHMQueueNext
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
outConflicts
,
SHMQueueNext
(
&
MySerializableXact
->
outConflicts
,
&
conflict
->
outLink
,
offsetof
(
RWConflictData
,
outLink
));
...
...
@@ -3186,13 +3185,13 @@ ReleasePredicateLocks(const bool isCommit)
* we're rolling back, clear them all.
*/
conflict
=
(
RWConflict
)
SHMQueueNext
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
inConflicts
,
(
SHM_QUEUE
*
)
&
MySerializableXact
->
inConflicts
,
SHMQueueNext
(
&
MySerializableXact
->
inConflicts
,
&
MySerializableXact
->
inConflicts
,
offsetof
(
RWConflictData
,
inLink
));
while
(
conflict
)
{
nextConflict
=
(
RWConflict
)
SHMQueueNext
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
inConflicts
,
SHMQueueNext
(
&
MySerializableXact
->
inConflicts
,
&
conflict
->
inLink
,
offsetof
(
RWConflictData
,
inLink
));
...
...
@@ -3213,13 +3212,13 @@ ReleasePredicateLocks(const bool isCommit)
* up if they are known safe or known unsafe.
*/
possibleUnsafeConflict
=
(
RWConflict
)
SHMQueueNext
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
possibleUnsafeConflicts
,
(
SHM_QUEUE
*
)
&
MySerializableXact
->
possibleUnsafeConflicts
,
SHMQueueNext
(
&
MySerializableXact
->
possibleUnsafeConflicts
,
&
MySerializableXact
->
possibleUnsafeConflicts
,
offsetof
(
RWConflictData
,
outLink
));
while
(
possibleUnsafeConflict
)
{
nextConflict
=
(
RWConflict
)
SHMQueueNext
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
possibleUnsafeConflicts
,
SHMQueueNext
(
&
MySerializableXact
->
possibleUnsafeConflicts
,
&
possibleUnsafeConflict
->
outLink
,
offsetof
(
RWConflictData
,
outLink
));
...
...
@@ -3290,7 +3289,7 @@ ReleasePredicateLocks(const bool isCommit)
/* Add this to the list of transactions to check for later cleanup. */
if
(
isCommit
)
SHMQueueInsertBefore
(
FinishedSerializableTransactions
,
(
SHM_QUEUE
*
)
&
(
MySerializableXact
->
finishedLink
)
);
&
MySerializableXact
->
finishedLink
);
if
(
!
isCommit
)
ReleaseOneSerializableXact
(
MySerializableXact
,
false
,
false
);
...
...
@@ -3789,7 +3788,7 @@ CheckForSerializableConflictOut(const bool visible, const Relation relation,
errhint
(
"The transaction might succeed if retried."
)));
if
(
SxactHasSummaryConflictIn
(
MySerializableXact
)
||
!
SHMQueueEmpty
((
SHM_QUEUE
*
)
&
MySerializableXact
->
inConflicts
))
||
!
SHMQueueEmpty
(
&
MySerializableXact
->
inConflicts
))
ereport
(
ERROR
,
(
errcode
(
ERRCODE_T_R_SERIALIZATION_FAILURE
),
errmsg
(
"could not serialize access due to read/write dependencies among transactions"
),
...
...
@@ -4462,8 +4461,8 @@ PreCommit_CheckForSerializationFailure(void)
}
nearConflict
=
(
RWConflict
)
SHMQueueNext
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
inConflicts
,
(
SHM_QUEUE
*
)
&
MySerializableXact
->
inConflicts
,
SHMQueueNext
(
&
MySerializableXact
->
inConflicts
,
&
MySerializableXact
->
inConflicts
,
offsetof
(
RWConflictData
,
inLink
));
while
(
nearConflict
)
{
...
...
@@ -4496,7 +4495,7 @@ PreCommit_CheckForSerializationFailure(void)
}
nearConflict
=
(
RWConflict
)
SHMQueueNext
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
inConflicts
,
SHMQueueNext
(
&
MySerializableXact
->
inConflicts
,
&
nearConflict
->
inLink
,
offsetof
(
RWConflictData
,
inLink
));
}
...
...
@@ -4543,9 +4542,9 @@ AtPrepare_PredicateLocks(void)
* outConflicts lists, if they're non-empty we'll represent that by
* setting the appropriate summary conflict flags.
*/
if
(
!
SHMQueueEmpty
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
inConflicts
))
if
(
!
SHMQueueEmpty
(
&
MySerializableXact
->
inConflicts
))
xactRecord
->
flags
|=
SXACT_FLAG_SUMMARY_CONFLICT_IN
;
if
(
!
SHMQueueEmpty
(
(
SHM_QUEUE
*
)
&
MySerializableXact
->
outConflicts
))
if
(
!
SHMQueueEmpty
(
&
MySerializableXact
->
outConflicts
))
xactRecord
->
flags
|=
SXACT_FLAG_SUMMARY_CONFLICT_OUT
;
RegisterTwoPhaseRecord
(
TWOPHASE_RM_PREDICATELOCK_ID
,
0
,
...
...
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