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Diffstat (limited to 'src/backend/access/heap/heapam.c')
-rw-r--r--src/backend/access/heap/heapam.c64
1 files changed, 32 insertions, 32 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c
index 482e53dfaa9..cb2f428afe6 100644
--- a/src/backend/access/heap/heapam.c
+++ b/src/backend/access/heap/heapam.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.260 2008/06/19 00:46:03 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.261 2008/07/13 20:45:47 tgl Exp $
*
*
* INTERFACE ROUTINES
@@ -1343,7 +1343,7 @@ heap_fetch(Relation relation,
ItemPointer tid = &(tuple->t_self);
ItemId lp;
Buffer buffer;
- PageHeader dp;
+ Page page;
OffsetNumber offnum;
bool valid;
@@ -1356,14 +1356,14 @@ heap_fetch(Relation relation,
* Need share lock on buffer to examine tuple commit status.
*/
LockBuffer(buffer, BUFFER_LOCK_SHARE);
- dp = (PageHeader) BufferGetPage(buffer);
+ page = BufferGetPage(buffer);
/*
* We'd better check for out-of-range offnum in case of VACUUM since the
* TID was obtained.
*/
offnum = ItemPointerGetOffsetNumber(tid);
- if (offnum < FirstOffsetNumber || offnum > PageGetMaxOffsetNumber(dp))
+ if (offnum < FirstOffsetNumber || offnum > PageGetMaxOffsetNumber(page))
{
LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
if (keep_buf)
@@ -1380,7 +1380,7 @@ heap_fetch(Relation relation,
/*
* get the item line pointer corresponding to the requested tid
*/
- lp = PageGetItemId(dp, offnum);
+ lp = PageGetItemId(page, offnum);
/*
* Must check for deleted tuple.
@@ -1402,7 +1402,7 @@ heap_fetch(Relation relation,
/*
* fill in *tuple fields
*/
- tuple->t_data = (HeapTupleHeader) PageGetItem((Page) dp, lp);
+ tuple->t_data = (HeapTupleHeader) PageGetItem(page, lp);
tuple->t_len = ItemIdGetLength(lp);
tuple->t_tableOid = RelationGetRelid(relation);
@@ -1627,7 +1627,7 @@ heap_get_latest_tid(Relation relation,
for (;;)
{
Buffer buffer;
- PageHeader dp;
+ Page page;
OffsetNumber offnum;
ItemId lp;
HeapTupleData tp;
@@ -1638,7 +1638,7 @@ heap_get_latest_tid(Relation relation,
*/
buffer = ReadBuffer(relation, ItemPointerGetBlockNumber(&ctid));
LockBuffer(buffer, BUFFER_LOCK_SHARE);
- dp = (PageHeader) BufferGetPage(buffer);
+ page = BufferGetPage(buffer);
/*
* Check for bogus item number. This is not treated as an error
@@ -1646,12 +1646,12 @@ heap_get_latest_tid(Relation relation,
* just assume that the prior tid is OK and return it unchanged.
*/
offnum = ItemPointerGetOffsetNumber(&ctid);
- if (offnum < FirstOffsetNumber || offnum > PageGetMaxOffsetNumber(dp))
+ if (offnum < FirstOffsetNumber || offnum > PageGetMaxOffsetNumber(page))
{
UnlockReleaseBuffer(buffer);
break;
}
- lp = PageGetItemId(dp, offnum);
+ lp = PageGetItemId(page, offnum);
if (!ItemIdIsNormal(lp))
{
UnlockReleaseBuffer(buffer);
@@ -1660,7 +1660,7 @@ heap_get_latest_tid(Relation relation,
/* OK to access the tuple */
tp.t_self = ctid;
- tp.t_data = (HeapTupleHeader) PageGetItem(dp, lp);
+ tp.t_data = (HeapTupleHeader) PageGetItem(page, lp);
tp.t_len = ItemIdGetLength(lp);
/*
@@ -1964,7 +1964,7 @@ heap_delete(Relation relation, ItemPointer tid,
TransactionId xid = GetCurrentTransactionId();
ItemId lp;
HeapTupleData tp;
- PageHeader dp;
+ Page page;
Buffer buffer;
bool have_tuple_lock = false;
bool iscombo;
@@ -1974,11 +1974,11 @@ heap_delete(Relation relation, ItemPointer tid,
buffer = ReadBuffer(relation, ItemPointerGetBlockNumber(tid));
LockBuffer(buffer, BUFFER_LOCK_EXCLUSIVE);
- dp = (PageHeader) BufferGetPage(buffer);
- lp = PageGetItemId(dp, ItemPointerGetOffsetNumber(tid));
+ page = BufferGetPage(buffer);
+ lp = PageGetItemId(page, ItemPointerGetOffsetNumber(tid));
Assert(ItemIdIsNormal(lp));
- tp.t_data = (HeapTupleHeader) PageGetItem(dp, lp);
+ tp.t_data = (HeapTupleHeader) PageGetItem(page, lp);
tp.t_len = ItemIdGetLength(lp);
tp.t_self = *tid;
@@ -2112,7 +2112,7 @@ l1:
* the subsequent page pruning will be a no-op and the hint will be
* cleared.
*/
- PageSetPrunable(dp, xid);
+ PageSetPrunable(page, xid);
/* store transaction information of xact deleting the tuple */
tp.t_data->t_infomask &= ~(HEAP_XMAX_COMMITTED |
@@ -2150,8 +2150,8 @@ l1:
recptr = XLogInsert(RM_HEAP_ID, XLOG_HEAP_DELETE, rdata);
- PageSetLSN(dp, recptr);
- PageSetTLI(dp, ThisTimeLineID);
+ PageSetLSN(page, recptr);
+ PageSetTLI(page, ThisTimeLineID);
}
END_CRIT_SECTION();
@@ -2276,7 +2276,7 @@ heap_update(Relation relation, ItemPointer otid, HeapTuple newtup,
ItemId lp;
HeapTupleData oldtup;
HeapTuple heaptup;
- PageHeader dp;
+ Page page;
Buffer buffer,
newbuf;
bool need_toast,
@@ -2306,11 +2306,11 @@ heap_update(Relation relation, ItemPointer otid, HeapTuple newtup,
buffer = ReadBuffer(relation, ItemPointerGetBlockNumber(otid));
LockBuffer(buffer, BUFFER_LOCK_EXCLUSIVE);
- dp = (PageHeader) BufferGetPage(buffer);
- lp = PageGetItemId(dp, ItemPointerGetOffsetNumber(otid));
+ page = BufferGetPage(buffer);
+ lp = PageGetItemId(page, ItemPointerGetOffsetNumber(otid));
Assert(ItemIdIsNormal(lp));
- oldtup.t_data = (HeapTupleHeader) PageGetItem(dp, lp);
+ oldtup.t_data = (HeapTupleHeader) PageGetItem(page, lp);
oldtup.t_len = ItemIdGetLength(lp);
oldtup.t_self = *otid;
@@ -2491,7 +2491,7 @@ l2:
HeapTupleHasExternal(newtup) ||
newtup->t_len > TOAST_TUPLE_THRESHOLD);
- pagefree = PageGetHeapFreeSpace((Page) dp);
+ pagefree = PageGetHeapFreeSpace(page);
newtupsize = MAXALIGN(newtup->t_len);
@@ -2557,7 +2557,7 @@ l2:
/* Re-acquire the lock on the old tuple's page. */
LockBuffer(buffer, BUFFER_LOCK_EXCLUSIVE);
/* Re-check using the up-to-date free space */
- pagefree = PageGetHeapFreeSpace((Page) dp);
+ pagefree = PageGetHeapFreeSpace(page);
if (newtupsize > pagefree)
{
/*
@@ -2603,7 +2603,7 @@ l2:
else
{
/* Set a hint that the old page could use prune/defrag */
- PageSetFull(dp);
+ PageSetFull(page);
}
/* NO EREPORT(ERROR) from here till changes are logged */
@@ -2621,7 +2621,7 @@ l2:
* not to optimize for aborts. Note that heap_xlog_update must be kept in
* sync if this decision changes.
*/
- PageSetPrunable(dp, xid);
+ PageSetPrunable(page, xid);
if (use_hot_update)
{
@@ -2946,7 +2946,7 @@ heap_lock_tuple(Relation relation, HeapTuple tuple, Buffer *buffer,
HTSU_Result result;
ItemPointer tid = &(tuple->t_self);
ItemId lp;
- PageHeader dp;
+ Page page;
TransactionId xid;
TransactionId xmax;
uint16 old_infomask;
@@ -2959,11 +2959,11 @@ heap_lock_tuple(Relation relation, HeapTuple tuple, Buffer *buffer,
*buffer = ReadBuffer(relation, ItemPointerGetBlockNumber(tid));
LockBuffer(*buffer, BUFFER_LOCK_EXCLUSIVE);
- dp = (PageHeader) BufferGetPage(*buffer);
- lp = PageGetItemId(dp, ItemPointerGetOffsetNumber(tid));
+ page = BufferGetPage(*buffer);
+ lp = PageGetItemId(page, ItemPointerGetOffsetNumber(tid));
Assert(ItemIdIsNormal(lp));
- tuple->t_data = (HeapTupleHeader) PageGetItem((Page) dp, lp);
+ tuple->t_data = (HeapTupleHeader) PageGetItem(page, lp);
tuple->t_len = ItemIdGetLength(lp);
tuple->t_tableOid = RelationGetRelid(relation);
@@ -3302,8 +3302,8 @@ l3:
recptr = XLogInsert(RM_HEAP_ID, XLOG_HEAP_LOCK, rdata);
- PageSetLSN(dp, recptr);
- PageSetTLI(dp, ThisTimeLineID);
+ PageSetLSN(page, recptr);
+ PageSetTLI(page, ThisTimeLineID);
}
END_CRIT_SECTION();
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-21 13:07:39 +0000