* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/gin/ginxlog.c,v 1.13 2008/05/12 00:00:44 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/gin/ginxlog.c,v 1.14 2008/06/12 09:12:29 heikki Exp $
*-------------------------------------------------------------------------
*/
#include "postgres.h"
ginRedoCreateIndex(XLogRecPtr lsn, XLogRecord *record)
{
RelFileNode *node = (RelFileNode *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
- reln = XLogOpenRelation(*node);
- buffer = XLogReadBuffer(reln, GIN_ROOT_BLKNO, true);
+ buffer = XLogReadBuffer(*node, GIN_ROOT_BLKNO, true);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
{
ginxlogCreatePostingTree *data = (ginxlogCreatePostingTree *) XLogRecGetData(record);
ItemPointerData *items = (ItemPointerData *) (XLogRecGetData(record) + sizeof(ginxlogCreatePostingTree));
- Relation reln;
Buffer buffer;
Page page;
- reln = XLogOpenRelation(data->node);
- buffer = XLogReadBuffer(reln, data->blkno, true);
+ buffer = XLogReadBuffer(data->node, data->blkno, true);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
ginRedoInsert(XLogRecPtr lsn, XLogRecord *record)
{
ginxlogInsert *data = (ginxlogInsert *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
if (record->xl_info & XLR_BKP_BLOCK_1)
return;
- reln = XLogOpenRelation(data->node);
- buffer = XLogReadBuffer(reln, data->blkno, false);
+ buffer = XLogReadBuffer(data->node, data->blkno, false);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
ginRedoSplit(XLogRecPtr lsn, XLogRecord *record)
{
ginxlogSplit *data = (ginxlogSplit *) XLogRecGetData(record);
- Relation reln;
Buffer lbuffer,
rbuffer;
Page lpage,
rpage;
uint32 flags = 0;
- reln = XLogOpenRelation(data->node);
-
if (data->isLeaf)
flags |= GIN_LEAF;
if (data->isData)
flags |= GIN_DATA;
- lbuffer = XLogReadBuffer(reln, data->lblkno, data->isRootSplit);
+ lbuffer = XLogReadBuffer(data->node, data->lblkno, data->isRootSplit);
Assert(BufferIsValid(lbuffer));
lpage = (Page) BufferGetPage(lbuffer);
GinInitBuffer(lbuffer, flags);
- rbuffer = XLogReadBuffer(reln, data->rblkno, true);
+ rbuffer = XLogReadBuffer(data->node, data->rblkno, true);
Assert(BufferIsValid(rbuffer));
rpage = (Page) BufferGetPage(rbuffer);
GinInitBuffer(rbuffer, flags);
if (data->isRootSplit)
{
- Buffer rootBuf = XLogReadBuffer(reln, data->rootBlkno, false);
+ Buffer rootBuf = XLogReadBuffer(data->node, data->rootBlkno, false);
Page rootPage = BufferGetPage(rootBuf);
GinInitBuffer(rootBuf, flags & ~GIN_LEAF);
ginRedoVacuumPage(XLogRecPtr lsn, XLogRecord *record)
{
ginxlogVacuumPage *data = (ginxlogVacuumPage *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
if (record->xl_info & XLR_BKP_BLOCK_1)
return;
- reln = XLogOpenRelation(data->node);
- buffer = XLogReadBuffer(reln, data->blkno, false);
+ buffer = XLogReadBuffer(data->node, data->blkno, false);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
ginRedoDeletePage(XLogRecPtr lsn, XLogRecord *record)
{
ginxlogDeletePage *data = (ginxlogDeletePage *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
- reln = XLogOpenRelation(data->node);
-
if (!(record->xl_info & XLR_BKP_BLOCK_1))
{
- buffer = XLogReadBuffer(reln, data->blkno, false);
+ buffer = XLogReadBuffer(data->node, data->blkno, false);
page = BufferGetPage(buffer);
Assert(GinPageIsData(page));
GinPageGetOpaque(page)->flags = GIN_DELETED;
if (!(record->xl_info & XLR_BKP_BLOCK_2))
{
- buffer = XLogReadBuffer(reln, data->parentBlkno, false);
+ buffer = XLogReadBuffer(data->node, data->parentBlkno, false);
page = BufferGetPage(buffer);
Assert(GinPageIsData(page));
Assert(!GinPageIsLeaf(page));
if (!(record->xl_info & XLR_BKP_BLOCK_3) && data->leftBlkno != InvalidBlockNumber)
{
- buffer = XLogReadBuffer(reln, data->leftBlkno, false);
+ buffer = XLogReadBuffer(data->node, data->leftBlkno, false);
page = BufferGetPage(buffer);
Assert(GinPageIsData(page));
GinPageGetOpaque(page)->rightlink = data->rightLink;
* elog(NOTICE,"ginContinueSplit root:%u l:%u r:%u", split->rootBlkno,
* split->leftBlkno, split->rightBlkno);
*/
- reln = XLogOpenRelation(split->node);
+ buffer = XLogReadBuffer(split->node, split->leftBlkno, false);
- buffer = XLogReadBuffer(reln, split->leftBlkno, false);
+ reln = CreateFakeRelcacheEntry(split->node);
if (split->rootBlkno == GIN_ROOT_BLKNO)
{
GinPageGetOpaque(page)->maxoff))->key;
}
+ FreeFakeRelcacheEntry(reln);
+
btree.rightblkno = split->rightBlkno;
stack.blkno = split->leftBlkno;
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/gist/gist.c,v 1.150 2008/05/12 00:00:44 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/gist/gist.c,v 1.151 2008/06/12 09:12:29 heikki Exp $
*
*-------------------------------------------------------------------------
*/
if (!is_leaf)
PageIndexTupleDelete(state->stack->page, state->stack->childoffnum);
- gistfillbuffer(state->r, state->stack->page, state->itup, state->ituplen, InvalidOffsetNumber);
+ gistfillbuffer(state->stack->page, state->itup, state->ituplen, InvalidOffsetNumber);
MarkBufferDirty(state->stack->buffer);
START_CRIT_SECTION();
GISTInitBuffer(buffer, 0);
- gistfillbuffer(r, page, itup, len, FirstOffsetNumber);
+ gistfillbuffer(page, itup, len, FirstOffsetNumber);
MarkBufferDirty(buffer);
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/gist/gistutil.c,v 1.26 2008/05/12 00:00:44 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/gist/gistutil.c,v 1.27 2008/06/12 09:12:29 heikki Exp $
*-------------------------------------------------------------------------
*/
#include "postgres.h"
static bool isnullS[INDEX_MAX_KEYS];
/*
- * Write itup vector to page, has no control of free space
+ * Write itup vector to page, has no control of free space.
*/
-OffsetNumber
-gistfillbuffer(Relation r, Page page, IndexTuple *itup,
- int len, OffsetNumber off)
+void
+gistfillbuffer(Page page, IndexTuple *itup, int len, OffsetNumber off)
{
OffsetNumber l = InvalidOffsetNumber;
int i;
for (i = 0; i < len; i++)
{
- l = PageAddItem(page, (Item) itup[i], IndexTupleSize(itup[i]),
- off, false, false);
+ Size sz = IndexTupleSize(itup[i]);
+ l = PageAddItem(page, (Item) itup[i], sz, off, false, false);
if (l == InvalidOffsetNumber)
- elog(ERROR, "failed to add item to index page in \"%s\"",
- RelationGetRelationName(r));
+ elog(ERROR, "failed to add item to GiST index page, item %d out of %d, size %d bytes",
+ i, len, sz);
off++;
}
- return l;
}
/*
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/gist/gistvacuum.c,v 1.35 2008/05/12 00:00:44 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/gist/gistvacuum.c,v 1.36 2008/06/12 09:12:30 heikki Exp $
*
*-------------------------------------------------------------------------
*/
}
else
/* enough free space */
- gistfillbuffer(gv->index, tempPage, addon, curlenaddon, InvalidOffsetNumber);
+ gistfillbuffer(tempPage, addon, curlenaddon, InvalidOffsetNumber);
}
}
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/gist/gistxlog.c,v 1.28 2008/05/12 00:00:44 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/gist/gistxlog.c,v 1.29 2008/06/12 09:12:30 heikki Exp $
*-------------------------------------------------------------------------
*/
#include "postgres.h"
{
gistxlogPageUpdate *xldata = (gistxlogPageUpdate *) XLogRecGetData(record);
PageUpdateRecord xlrec;
- Relation reln;
Buffer buffer;
Page page;
decodePageUpdateRecord(&xlrec, record);
- reln = XLogOpenRelation(xlrec.data->node);
- buffer = XLogReadBuffer(reln, xlrec.data->blkno, false);
+ buffer = XLogReadBuffer(xlrec.data->node, xlrec.data->blkno, false);
if (!BufferIsValid(buffer))
return;
page = (Page) BufferGetPage(buffer);
/* add tuples */
if (xlrec.len > 0)
- gistfillbuffer(reln, page, xlrec.itup, xlrec.len, InvalidOffsetNumber);
+ gistfillbuffer(page, xlrec.itup, xlrec.len, InvalidOffsetNumber);
/*
* special case: leafpage, nothing to insert, nothing to delete, then
gistRedoPageDeleteRecord(XLogRecPtr lsn, XLogRecord *record)
{
gistxlogPageDelete *xldata = (gistxlogPageDelete *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
if (record->xl_info & XLR_BKP_BLOCK_1)
return;
- reln = XLogOpenRelation(xldata->node);
- buffer = XLogReadBuffer(reln, xldata->blkno, false);
+ buffer = XLogReadBuffer(xldata->node, xldata->blkno, false);
if (!BufferIsValid(buffer))
return;
gistRedoPageSplitRecord(XLogRecPtr lsn, XLogRecord *record)
{
PageSplitRecord xlrec;
- Relation reln;
Buffer buffer;
Page page;
int i;
int flags;
decodePageSplitRecord(&xlrec, record);
- reln = XLogOpenRelation(xlrec.data->node);
flags = xlrec.data->origleaf ? F_LEAF : 0;
/* loop around all pages */
{
NewPage *newpage = xlrec.page + i;
- buffer = XLogReadBuffer(reln, newpage->header->blkno, true);
+ buffer = XLogReadBuffer(xlrec.data->node, newpage->header->blkno, true);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
GISTInitBuffer(buffer, flags);
/* and fill it */
- gistfillbuffer(reln, page, newpage->itup, newpage->header->num, FirstOffsetNumber);
+ gistfillbuffer(page, newpage->itup, newpage->header->num, FirstOffsetNumber);
PageSetLSN(page, lsn);
PageSetTLI(page, ThisTimeLineID);
gistRedoCreateIndex(XLogRecPtr lsn, XLogRecord *record)
{
RelFileNode *node = (RelFileNode *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
- reln = XLogOpenRelation(*node);
- buffer = XLogReadBuffer(reln, GIST_ROOT_BLKNO, true);
+ buffer = XLogReadBuffer(*node, GIST_ROOT_BLKNO, true);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
lenitup;
Relation index;
- index = XLogOpenRelation(insert->node);
+ index = CreateFakeRelcacheEntry(insert->node);
/*
* needed vector itup never will be more than initial lenblkno+2, because
* it was split root, so we should only make new root. it can't be
* simple insert into root, we should replace all content of root.
*/
- Buffer buffer = XLogReadBuffer(index, GIST_ROOT_BLKNO, true);
+ Buffer buffer = XLogReadBuffer(insert->node, GIST_ROOT_BLKNO, true);
gistnewroot(index, buffer, itup, lenitup, NULL);
UnlockReleaseBuffer(buffer);
LockBuffer(buffers[numbuffer], GIST_EXCLUSIVE);
GISTInitBuffer(buffers[numbuffer], 0);
pages[numbuffer] = BufferGetPage(buffers[numbuffer]);
- gistfillbuffer(index, pages[numbuffer], itup, lenitup, FirstOffsetNumber);
+ gistfillbuffer(pages[numbuffer], itup, lenitup, FirstOffsetNumber);
numbuffer++;
if (BufferGetBlockNumber(buffers[0]) == GIST_ROOT_BLKNO)
for (j = 0; j < ntodelete; j++)
PageIndexTupleDelete(pages[0], todelete[j]);
- gistfillbuffer(index, pages[0], itup, lenitup, InvalidOffsetNumber);
+ gistfillbuffer(pages[0], itup, lenitup, InvalidOffsetNumber);
rdata = formUpdateRdata(index->rd_node, buffers[0],
todelete, ntodelete,
}
}
+ FreeFakeRelcacheEntry(index);
+
ereport(LOG,
(errmsg("index %u/%u/%u needs VACUUM FULL or REINDEX to finish crash recovery",
insert->node.spcNode, insert->node.dbNode, insert->node.relNode),
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.258 2008/06/08 22:00:47 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.259 2008/06/12 09:12:30 heikki Exp $
*
*
* INTERFACE ROUTINES
heap_xlog_clean(XLogRecPtr lsn, XLogRecord *record, bool clean_move)
{
xl_heap_clean *xlrec = (xl_heap_clean *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
OffsetNumber *end;
if (record->xl_info & XLR_BKP_BLOCK_1)
return;
- reln = XLogOpenRelation(xlrec->node);
- buffer = XLogReadBuffer(reln, xlrec->block, false);
+ buffer = XLogReadBuffer(xlrec->node, xlrec->block, false);
if (!BufferIsValid(buffer))
return;
page = (Page) BufferGetPage(buffer);
Assert(nunused >= 0);
/* Update all item pointers per the record, and repair fragmentation */
- heap_page_prune_execute(reln, buffer,
+ heap_page_prune_execute(buffer,
redirected, nredirected,
nowdead, ndead,
nowunused, nunused,
{
xl_heap_freeze *xlrec = (xl_heap_freeze *) XLogRecGetData(record);
TransactionId cutoff_xid = xlrec->cutoff_xid;
- Relation reln;
Buffer buffer;
Page page;
if (record->xl_info & XLR_BKP_BLOCK_1)
return;
- reln = XLogOpenRelation(xlrec->node);
- buffer = XLogReadBuffer(reln, xlrec->block, false);
+ buffer = XLogReadBuffer(xlrec->node, xlrec->block, false);
if (!BufferIsValid(buffer))
return;
page = (Page) BufferGetPage(buffer);
heap_xlog_newpage(XLogRecPtr lsn, XLogRecord *record)
{
xl_heap_newpage *xlrec = (xl_heap_newpage *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
* Note: the NEWPAGE log record is used for both heaps and indexes, so do
* not do anything that assumes we are touching a heap.
*/
- reln = XLogOpenRelation(xlrec->node);
- buffer = XLogReadBuffer(reln, xlrec->blkno, true);
+ buffer = XLogReadBuffer(xlrec->node, xlrec->blkno, true);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
heap_xlog_delete(XLogRecPtr lsn, XLogRecord *record)
{
xl_heap_delete *xlrec = (xl_heap_delete *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
OffsetNumber offnum;
if (record->xl_info & XLR_BKP_BLOCK_1)
return;
- reln = XLogOpenRelation(xlrec->target.node);
- buffer = XLogReadBuffer(reln,
+ buffer = XLogReadBuffer(xlrec->target.node,
ItemPointerGetBlockNumber(&(xlrec->target.tid)),
false);
if (!BufferIsValid(buffer))
heap_xlog_insert(XLogRecPtr lsn, XLogRecord *record)
{
xl_heap_insert *xlrec = (xl_heap_insert *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
OffsetNumber offnum;
if (record->xl_info & XLR_BKP_BLOCK_1)
return;
- reln = XLogOpenRelation(xlrec->target.node);
-
if (record->xl_info & XLOG_HEAP_INIT_PAGE)
{
- buffer = XLogReadBuffer(reln,
+ buffer = XLogReadBuffer(xlrec->target.node,
ItemPointerGetBlockNumber(&(xlrec->target.tid)),
true);
Assert(BufferIsValid(buffer));
}
else
{
- buffer = XLogReadBuffer(reln,
+ buffer = XLogReadBuffer(xlrec->target.node,
ItemPointerGetBlockNumber(&(xlrec->target.tid)),
false);
if (!BufferIsValid(buffer))
heap_xlog_update(XLogRecPtr lsn, XLogRecord *record, bool move, bool hot_update)
{
xl_heap_update *xlrec = (xl_heap_update *) XLogRecGetData(record);
- Relation reln = XLogOpenRelation(xlrec->target.node);
Buffer buffer;
bool samepage = (ItemPointerGetBlockNumber(&(xlrec->newtid)) ==
ItemPointerGetBlockNumber(&(xlrec->target.tid)));
/* Deal with old tuple version */
- buffer = XLogReadBuffer(reln,
+ buffer = XLogReadBuffer(xlrec->target.node,
ItemPointerGetBlockNumber(&(xlrec->target.tid)),
false);
if (!BufferIsValid(buffer))
if (record->xl_info & XLOG_HEAP_INIT_PAGE)
{
- buffer = XLogReadBuffer(reln,
+ buffer = XLogReadBuffer(xlrec->target.node,
ItemPointerGetBlockNumber(&(xlrec->newtid)),
true);
Assert(BufferIsValid(buffer));
}
else
{
- buffer = XLogReadBuffer(reln,
+ buffer = XLogReadBuffer(xlrec->target.node,
ItemPointerGetBlockNumber(&(xlrec->newtid)),
false);
if (!BufferIsValid(buffer))
heap_xlog_lock(XLogRecPtr lsn, XLogRecord *record)
{
xl_heap_lock *xlrec = (xl_heap_lock *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
OffsetNumber offnum;
if (record->xl_info & XLR_BKP_BLOCK_1)
return;
- reln = XLogOpenRelation(xlrec->target.node);
- buffer = XLogReadBuffer(reln,
+ buffer = XLogReadBuffer(xlrec->target.node,
ItemPointerGetBlockNumber(&(xlrec->target.tid)),
false);
if (!BufferIsValid(buffer))
heap_xlog_inplace(XLogRecPtr lsn, XLogRecord *record)
{
xl_heap_inplace *xlrec = (xl_heap_inplace *) XLogRecGetData(record);
- Relation reln = XLogOpenRelation(xlrec->target.node);
Buffer buffer;
Page page;
OffsetNumber offnum;
if (record->xl_info & XLR_BKP_BLOCK_1)
return;
- buffer = XLogReadBuffer(reln,
+ buffer = XLogReadBuffer(xlrec->target.node,
ItemPointerGetBlockNumber(&(xlrec->target.tid)),
false);
if (!BufferIsValid(buffer))
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/heap/pruneheap.c,v 1.13 2008/06/08 22:00:47 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/heap/pruneheap.c,v 1.14 2008/06/12 09:12:30 heikki Exp $
*
*-------------------------------------------------------------------------
*/
* and update the page's hint bit about whether it has free line
* pointers.
*/
- heap_page_prune_execute(relation, buffer,
+ heap_page_prune_execute(buffer,
prstate.redirected, prstate.nredirected,
prstate.nowdead, prstate.ndead,
prstate.nowunused, prstate.nunused,
* arguments are identical to those of log_heap_clean().
*/
void
-heap_page_prune_execute(Relation reln, Buffer buffer,
+heap_page_prune_execute(Buffer buffer,
OffsetNumber *redirected, int nredirected,
OffsetNumber *nowdead, int ndead,
OffsetNumber *nowunused, int nunused,
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/nbtree/nbtxlog.c,v 1.51 2008/05/12 00:00:45 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/nbtree/nbtxlog.c,v 1.52 2008/06/12 09:12:30 heikki Exp $
*
*-------------------------------------------------------------------------
*/
}
static void
-_bt_restore_meta(Relation reln, XLogRecPtr lsn,
+_bt_restore_meta(RelFileNode rnode, XLogRecPtr lsn,
BlockNumber root, uint32 level,
BlockNumber fastroot, uint32 fastlevel)
{
BTMetaPageData *md;
BTPageOpaque pageop;
- metabuf = XLogReadBuffer(reln, BTREE_METAPAGE, true);
+ metabuf = XLogReadBuffer(rnode, BTREE_METAPAGE, true);
Assert(BufferIsValid(metabuf));
metapg = BufferGetPage(metabuf);
XLogRecPtr lsn, XLogRecord *record)
{
xl_btree_insert *xlrec = (xl_btree_insert *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
char *datapos;
if ((record->xl_info & XLR_BKP_BLOCK_1) && !ismeta && isleaf)
return; /* nothing to do */
- reln = XLogOpenRelation(xlrec->target.node);
-
if (!(record->xl_info & XLR_BKP_BLOCK_1))
{
- buffer = XLogReadBuffer(reln,
+ buffer = XLogReadBuffer(xlrec->target.node,
ItemPointerGetBlockNumber(&(xlrec->target.tid)),
false);
if (BufferIsValid(buffer))
}
if (ismeta)
- _bt_restore_meta(reln, lsn,
+ _bt_restore_meta(xlrec->target.node, lsn,
md.root, md.level,
md.fastroot, md.fastlevel);
XLogRecPtr lsn, XLogRecord *record)
{
xl_btree_split *xlrec = (xl_btree_split *) XLogRecGetData(record);
- Relation reln;
Buffer rbuf;
Page rpage;
BTPageOpaque ropaque;
Item left_hikey = NULL;
Size left_hikeysz = 0;
- reln = XLogOpenRelation(xlrec->node);
-
datapos = (char *) xlrec + SizeOfBtreeSplit;
datalen = record->xl_len - SizeOfBtreeSplit;
}
/* Reconstruct right (new) sibling from scratch */
- rbuf = XLogReadBuffer(reln, xlrec->rightsib, true);
+ rbuf = XLogReadBuffer(xlrec->node, xlrec->rightsib, true);
Assert(BufferIsValid(rbuf));
rpage = (Page) BufferGetPage(rbuf);
*/
if (!(record->xl_info & XLR_BKP_BLOCK_1))
{
- Buffer lbuf = XLogReadBuffer(reln, xlrec->leftsib, false);
+ Buffer lbuf = XLogReadBuffer(xlrec->node, xlrec->leftsib, false);
if (BufferIsValid(lbuf))
{
/* Fix left-link of the page to the right of the new right sibling */
if (xlrec->rnext != P_NONE && !(record->xl_info & XLR_BKP_BLOCK_2))
{
- Buffer buffer = XLogReadBuffer(reln, xlrec->rnext, false);
+ Buffer buffer = XLogReadBuffer(xlrec->node, xlrec->rnext, false);
if (BufferIsValid(buffer))
{
btree_xlog_delete(XLogRecPtr lsn, XLogRecord *record)
{
xl_btree_delete *xlrec;
- Relation reln;
Buffer buffer;
Page page;
BTPageOpaque opaque;
return;
xlrec = (xl_btree_delete *) XLogRecGetData(record);
- reln = XLogOpenRelation(xlrec->node);
- buffer = XLogReadBuffer(reln, xlrec->block, false);
+ buffer = XLogReadBuffer(xlrec->node, xlrec->block, false);
if (!BufferIsValid(buffer))
return;
page = (Page) BufferGetPage(buffer);
btree_xlog_delete_page(uint8 info, XLogRecPtr lsn, XLogRecord *record)
{
xl_btree_delete_page *xlrec = (xl_btree_delete_page *) XLogRecGetData(record);
- Relation reln;
BlockNumber parent;
BlockNumber target;
BlockNumber leftsib;
Page page;
BTPageOpaque pageop;
- reln = XLogOpenRelation(xlrec->target.node);
parent = ItemPointerGetBlockNumber(&(xlrec->target.tid));
target = xlrec->deadblk;
leftsib = xlrec->leftblk;
/* parent page */
if (!(record->xl_info & XLR_BKP_BLOCK_1))
{
- buffer = XLogReadBuffer(reln, parent, false);
+ buffer = XLogReadBuffer(xlrec->target.node, parent, false);
if (BufferIsValid(buffer))
{
page = (Page) BufferGetPage(buffer);
/* Fix left-link of right sibling */
if (!(record->xl_info & XLR_BKP_BLOCK_2))
{
- buffer = XLogReadBuffer(reln, rightsib, false);
+ buffer = XLogReadBuffer(xlrec->target.node, rightsib, false);
if (BufferIsValid(buffer))
{
page = (Page) BufferGetPage(buffer);
{
if (leftsib != P_NONE)
{
- buffer = XLogReadBuffer(reln, leftsib, false);
+ buffer = XLogReadBuffer(xlrec->target.node, leftsib, false);
if (BufferIsValid(buffer))
{
page = (Page) BufferGetPage(buffer);
}
/* Rewrite target page as empty deleted page */
- buffer = XLogReadBuffer(reln, target, true);
+ buffer = XLogReadBuffer(xlrec->target.node, target, true);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
memcpy(&md, (char *) xlrec + SizeOfBtreeDeletePage,
sizeof(xl_btree_metadata));
- _bt_restore_meta(reln, lsn,
+ _bt_restore_meta(xlrec->target.node, lsn,
md.root, md.level,
md.fastroot, md.fastlevel);
}
btree_xlog_newroot(XLogRecPtr lsn, XLogRecord *record)
{
xl_btree_newroot *xlrec = (xl_btree_newroot *) XLogRecGetData(record);
- Relation reln;
Buffer buffer;
Page page;
BTPageOpaque pageop;
BlockNumber downlink = 0;
- reln = XLogOpenRelation(xlrec->node);
- buffer = XLogReadBuffer(reln, xlrec->rootblk, true);
+ buffer = XLogReadBuffer(xlrec->node, xlrec->rootblk, true);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
MarkBufferDirty(buffer);
UnlockReleaseBuffer(buffer);
- _bt_restore_meta(reln, lsn,
+ _bt_restore_meta(xlrec->node, lsn,
xlrec->rootblk, xlrec->level,
xlrec->rootblk, xlrec->level);
foreach(l, incomplete_actions)
{
bt_incomplete_action *action = (bt_incomplete_action *) lfirst(l);
- Relation reln;
- reln = XLogOpenRelation(action->node);
if (action->is_split)
{
/* finish an incomplete split */
BTPageOpaque lpageop,
rpageop;
bool is_only;
+ Relation reln;
- lbuf = XLogReadBuffer(reln, action->leftblk, false);
+ lbuf = XLogReadBuffer(action->node, action->leftblk, false);
/* failure is impossible because we wrote this page earlier */
if (!BufferIsValid(lbuf))
elog(PANIC, "btree_xlog_cleanup: left block unfound");
lpage = (Page) BufferGetPage(lbuf);
lpageop = (BTPageOpaque) PageGetSpecialPointer(lpage);
- rbuf = XLogReadBuffer(reln, action->rightblk, false);
+ rbuf = XLogReadBuffer(action->node, action->rightblk, false);
/* failure is impossible because we wrote this page earlier */
if (!BufferIsValid(rbuf))
elog(PANIC, "btree_xlog_cleanup: right block unfound");
/* if the pages are all of their level, it's a only-page split */
is_only = P_LEFTMOST(lpageop) && P_RIGHTMOST(rpageop);
+ reln = CreateFakeRelcacheEntry(action->node);
_bt_insert_parent(reln, lbuf, rbuf, NULL,
action->is_root, is_only);
+ FreeFakeRelcacheEntry(reln);
}
else
{
/* finish an incomplete deletion (of a half-dead page) */
Buffer buf;
- buf = XLogReadBuffer(reln, action->delblk, false);
+ buf = XLogReadBuffer(action->node, action->delblk, false);
if (BufferIsValid(buf))
+ {
+ Relation reln;
+
+ reln = CreateFakeRelcacheEntry(action->node);
if (_bt_pagedel(reln, buf, NULL, true) == 0)
elog(PANIC, "btree_xlog_cleanup: _bt_pagdel failed");
+ FreeFakeRelcacheEntry(reln);
+ }
}
}
incomplete_actions = NIL;
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.313 2008/06/08 22:00:47 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.314 2008/06/12 09:12:30 heikki Exp $
*
*-------------------------------------------------------------------------
*/
static void
RestoreBkpBlocks(XLogRecord *record, XLogRecPtr lsn)
{
- Relation reln;
Buffer buffer;
Page page;
BkpBlock bkpb;
memcpy(&bkpb, blk, sizeof(BkpBlock));
blk += sizeof(BkpBlock);
- reln = XLogOpenRelation(bkpb.node);
- buffer = XLogReadBuffer(reln, bkpb.block, true);
+ buffer = XLogReadBuffer(bkpb.node, bkpb.block, true);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
BACKUP_LABEL_FILE, BACKUP_LABEL_OLD)));
}
- /* Start up the recovery environment */
- XLogInitRelationCache();
-
+ /* Initialize resource managers */
for (rmid = 0; rmid <= RM_MAX_ID; rmid++)
{
if (RmgrTable[rmid].rm_startup != NULL)
* allows some extra error checking in xlog_redo.
*/
CreateCheckPoint(CHECKPOINT_IS_SHUTDOWN | CHECKPOINT_IMMEDIATE);
-
- /*
- * Close down recovery environment
- */
- XLogCloseRelationCache();
}
/*
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/backend/access/transam/xlogutils.c,v 1.54 2008/06/08 22:00:47 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/access/transam/xlogutils.c,v 1.55 2008/06/12 09:12:30 heikki Exp $
*
*-------------------------------------------------------------------------
*/
if (foundone)
elog(PANIC, "WAL contains references to invalid pages");
+
+ hash_destroy(invalid_page_tab);
+ invalid_page_tab = NULL;
}
* at the end of WAL replay.)
*/
Buffer
-XLogReadBuffer(Relation reln, BlockNumber blkno, bool init)
+XLogReadBuffer(RelFileNode rnode, BlockNumber blkno, bool init)
{
- BlockNumber lastblock = RelationGetNumberOfBlocks(reln);
+ BlockNumber lastblock;
Buffer buffer;
+ SMgrRelation smgr;
Assert(blkno != P_NEW);
+ /* Open the relation at smgr level */
+ smgr = smgropen(rnode);
+
+ /*
+ * Create the target file if it doesn't already exist. This lets us cope
+ * if the replay sequence contains writes to a relation that is later
+ * deleted. (The original coding of this routine would instead suppress
+ * the writes, but that seems like it risks losing valuable data if the
+ * filesystem loses an inode during a crash. Better to write the data
+ * until we are actually told to delete the file.)
+ */
+ smgrcreate(smgr, false, true);
+
+ lastblock = smgrnblocks(smgr);
+
if (blkno < lastblock)
{
/* page exists in file */
- if (init)
- buffer = ReadOrZeroBuffer(reln, blkno);
- else
- buffer = ReadBuffer(reln, blkno);
+ buffer = ReadBufferWithoutRelcache(rnode, false, blkno, init);
}
else
{
/* hm, page doesn't exist in file */
if (!init)
{
- log_invalid_page(reln->rd_node, blkno, false);
+ log_invalid_page(rnode, blkno, false);
return InvalidBuffer;
}
/* OK to extend the file */
{
if (buffer != InvalidBuffer)
ReleaseBuffer(buffer);
- buffer = ReadBuffer(reln, P_NEW);
+ buffer = ReadBufferWithoutRelcache(rnode, false, P_NEW, false);
lastblock++;
}
Assert(BufferGetBlockNumber(buffer) == blkno);
if (PageIsNew((PageHeader) page))
{
UnlockReleaseBuffer(buffer);
- log_invalid_page(reln->rd_node, blkno, true);
+ log_invalid_page(rnode, blkno, true);
return InvalidBuffer;
}
}
/*
- * Lightweight "Relation" cache --- this substitutes for the normal relcache
- * during XLOG replay.
+ * Struct actually returned by XLogFakeRelcacheEntry, though the declared
+ * return type is Relation.
*/
-
-typedef struct XLogRelDesc
-{
- RelationData reldata;
- struct XLogRelDesc *lessRecently;
- struct XLogRelDesc *moreRecently;
-} XLogRelDesc;
-
-typedef struct XLogRelCacheEntry
+typedef struct
{
- RelFileNode rnode;
- XLogRelDesc *rdesc;
-} XLogRelCacheEntry;
+ RelationData reldata; /* Note: this must be first */
+ FormData_pg_class pgc;
+} FakeRelCacheEntryData;
-static HTAB *_xlrelcache;
-static XLogRelDesc *_xlrelarr = NULL;
-static Form_pg_class _xlpgcarr = NULL;
-static int _xlast = 0;
-static int _xlcnt = 0;
+typedef FakeRelCacheEntryData *FakeRelCacheEntry;
-#define _XLOG_RELCACHESIZE 512
-
-static void
-_xl_init_rel_cache(void)
-{
- HASHCTL ctl;
-
- _xlcnt = _XLOG_RELCACHESIZE;
- _xlast = 0;
- _xlrelarr = (XLogRelDesc *) malloc(sizeof(XLogRelDesc) * _xlcnt);
- memset(_xlrelarr, 0, sizeof(XLogRelDesc) * _xlcnt);
- _xlpgcarr = (Form_pg_class) malloc(sizeof(FormData_pg_class) * _xlcnt);
- memset(_xlpgcarr, 0, sizeof(FormData_pg_class) * _xlcnt);
-
- _xlrelarr[0].moreRecently = &(_xlrelarr[0]);
- _xlrelarr[0].lessRecently = &(_xlrelarr[0]);
-
- memset(&ctl, 0, sizeof(ctl));
- ctl.keysize = sizeof(RelFileNode);
- ctl.entrysize = sizeof(XLogRelCacheEntry);
- ctl.hash = tag_hash;
-
- _xlrelcache = hash_create("XLOG relcache", _XLOG_RELCACHESIZE,
- &ctl, HASH_ELEM | HASH_FUNCTION);
-}
-
-static void
-_xl_remove_hash_entry(XLogRelDesc *rdesc)
-{
- Form_pg_class tpgc = rdesc->reldata.rd_rel;
- XLogRelCacheEntry *hentry;
-
- rdesc->lessRecently->moreRecently = rdesc->moreRecently;
- rdesc->moreRecently->lessRecently = rdesc->lessRecently;
-
- hentry = (XLogRelCacheEntry *) hash_search(_xlrelcache,
- (void *) &(rdesc->reldata.rd_node), HASH_REMOVE, NULL);
- if (hentry == NULL)
- elog(PANIC, "_xl_remove_hash_entry: file was not found in cache");
-
- RelationCloseSmgr(&(rdesc->reldata));
-
- memset(rdesc, 0, sizeof(XLogRelDesc));
- memset(tpgc, 0, sizeof(FormData_pg_class));
- rdesc->reldata.rd_rel = tpgc;
-}
-
-static XLogRelDesc *
-_xl_new_reldesc(void)
-{
- XLogRelDesc *res;
-
- _xlast++;
- if (_xlast < _xlcnt)
- {
- _xlrelarr[_xlast].reldata.rd_rel = &(_xlpgcarr[_xlast]);
- return &(_xlrelarr[_xlast]);
- }
-
- /* reuse */
- res = _xlrelarr[0].moreRecently;
-
- _xl_remove_hash_entry(res);
-
- _xlast--;
- return res;
-}
-
-
-void
-XLogInitRelationCache(void)
-{
- _xl_init_rel_cache();
- invalid_page_tab = NULL;
-}
-
-void
-XLogCloseRelationCache(void)
+/*
+ * Create a fake relation cache entry for a physical relation
+ *
+ * It's often convenient to use the same functions in XLOG replay as in the
+ * main codepath, but those functions typically work with a relcache entry.
+ * We don't have a working relation cache during XLOG replay, but this
+ * function can be used to create a fake relcache entry instead. Only the
+ * fields related to physical storage, like rd_rel, are initialized, so the
+ * fake entry is only usable in low-level operations like ReadBuffer().
+ *
+ * Caller must free the returned entry with FreeFakeRelcacheEntry().
+ */
+Relation
+CreateFakeRelcacheEntry(RelFileNode rnode)
{
- HASH_SEQ_STATUS status;
- XLogRelCacheEntry *hentry;
+ FakeRelCacheEntry fakeentry;
+ Relation rel;
- if (!_xlrelarr)
- return;
+ /* Allocate the Relation struct and all related space in one block. */
+ fakeentry = palloc0(sizeof(FakeRelCacheEntryData));
+ rel = (Relation) fakeentry;
- hash_seq_init(&status, _xlrelcache);
+ rel->rd_rel = &fakeentry->pgc;
+ rel->rd_node = rnode;
- while ((hentry = (XLogRelCacheEntry *) hash_seq_search(&status)) != NULL)
- _xl_remove_hash_entry(hentry->rdesc);
+ /* We don't know the name of the relation; use relfilenode instead */
+ sprintf(RelationGetRelationName(rel), "%u", rnode.relNode);
- hash_destroy(_xlrelcache);
+ /*
+ * We set up the lockRelId in case anything tries to lock the dummy
+ * relation. Note that this is fairly bogus since relNode may be
+ * different from the relation's OID. It shouldn't really matter
+ * though, since we are presumably running by ourselves and can't have
+ * any lock conflicts ...
+ */
+ rel->rd_lockInfo.lockRelId.dbId = rnode.dbNode;
+ rel->rd_lockInfo.lockRelId.relId = rnode.relNode;
- free(_xlrelarr);
- free(_xlpgcarr);
+ rel->rd_targblock = InvalidBlockNumber;
+ rel->rd_smgr = NULL;
- _xlrelarr = NULL;
+ return rel;
}
/*
- * Open a relation during XLOG replay
- *
- * Note: this once had an API that allowed NULL return on failure, but it
- * no longer does; any failure results in elog().
+ * Free a fake relation cache entry.
*/
-Relation
-XLogOpenRelation(RelFileNode rnode)
+void
+FreeFakeRelcacheEntry(Relation fakerel)
{
- XLogRelDesc *res;
- XLogRelCacheEntry *hentry;
- bool found;
-
- hentry = (XLogRelCacheEntry *)
- hash_search(_xlrelcache, (void *) &rnode, HASH_FIND, NULL);
-
- if (hentry)
- {
- res = hentry->rdesc;
-
- res->lessRecently->moreRecently = res->moreRecently;
- res->moreRecently->lessRecently = res->lessRecently;
- }
- else
- {
- res = _xl_new_reldesc();
-
- sprintf(RelationGetRelationName(&(res->reldata)), "%u", rnode.relNode);
-
- res->reldata.rd_node = rnode;
-
- /*
- * We set up the lockRelId in case anything tries to lock the dummy
- * relation. Note that this is fairly bogus since relNode may be
- * different from the relation's OID. It shouldn't really matter
- * though, since we are presumably running by ourselves and can't have
- * any lock conflicts ...
- */
- res->reldata.rd_lockInfo.lockRelId.dbId = rnode.dbNode;
- res->reldata.rd_lockInfo.lockRelId.relId = rnode.relNode;
-
- hentry = (XLogRelCacheEntry *)
- hash_search(_xlrelcache, (void *) &rnode, HASH_ENTER, &found);
-
- if (found)
- elog(PANIC, "xlog relation already present on insert into cache");
-
- hentry->rdesc = res;
-
- res->reldata.rd_targblock = InvalidBlockNumber;
- res->reldata.rd_smgr = NULL;
- RelationOpenSmgr(&(res->reldata));
-
- /*
- * Create the target file if it doesn't already exist. This lets us
- * cope if the replay sequence contains writes to a relation that is
- * later deleted. (The original coding of this routine would instead
- * return NULL, causing the writes to be suppressed. But that seems
- * like it risks losing valuable data if the filesystem loses an inode
- * during a crash. Better to write the data until we are actually
- * told to delete the file.)
- */
- smgrcreate(res->reldata.rd_smgr, res->reldata.rd_istemp, true);
- }
-
- res->moreRecently = &(_xlrelarr[0]);
- res->lessRecently = _xlrelarr[0].lessRecently;
- _xlrelarr[0].lessRecently = res;
- res->lessRecently->moreRecently = res;
-
- return &(res->reldata);
+ pfree(fakerel);
}
/*
* Drop a relation during XLOG replay
*
- * This is called when the relation is about to be deleted; we need to ensure
- * that there is no dangling smgr reference in the xlog relation cache.
- *
- * Currently, we don't bother to physically remove the relation from the
- * cache, we just let it age out normally.
- *
- * This also takes care of removing any open "invalid-page" records for
- * the relation.
+ * This is called when the relation is about to be deleted; we need to remove
+ * any open "invalid-page" records for the relation.
*/
void
XLogDropRelation(RelFileNode rnode)
{
- XLogRelCacheEntry *hentry;
-
- hentry = (XLogRelCacheEntry *)
- hash_search(_xlrelcache, (void *) &rnode, HASH_FIND, NULL);
-
- if (hentry)
- {
- XLogRelDesc *rdesc = hentry->rdesc;
-
- RelationCloseSmgr(&(rdesc->reldata));
- }
+ /* Tell smgr to forget about this relation as well */
+ smgrclosenode(rnode);
forget_invalid_pages(rnode, 0);
}
void
XLogDropDatabase(Oid dbid)
{
- HASH_SEQ_STATUS status;
- XLogRelCacheEntry *hentry;
-
- hash_seq_init(&status, _xlrelcache);
-
- while ((hentry = (XLogRelCacheEntry *) hash_seq_search(&status)) != NULL)
- {
- XLogRelDesc *rdesc = hentry->rdesc;
-
- if (hentry->rnode.dbNode == dbid)
- RelationCloseSmgr(&(rdesc->reldata));
- }
+ /*
+ * This is unnecessarily heavy-handed, as it will close SMgrRelation
+ * objects for other databases as well. DROP DATABASE occurs seldom
+ * enough that it's not worth introducing a variant of smgrclose for
+ * just this purpose. XXX: Or should we rather leave the smgr entries
+ * dangling?
+ */
+ smgrcloseall();
forget_invalid_pages_db(dbid);
}
/*
* Truncate a relation during XLOG replay
*
- * We don't need to do anything to the fake relcache, but we do need to
- * clean up any open "invalid-page" records for the dropped pages.
+ * We need to clean up any open "invalid-page" records for the dropped pages.
*/
void
XLogTruncateRelation(RelFileNode rnode, BlockNumber nblocks)
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/sequence.c,v 1.152 2008/05/17 01:20:39 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/sequence.c,v 1.153 2008/06/12 09:12:30 heikki Exp $
*
*-------------------------------------------------------------------------
*/
seq_redo(XLogRecPtr lsn, XLogRecord *record)
{
uint8 info = record->xl_info & ~XLR_INFO_MASK;
- Relation reln;
Buffer buffer;
Page page;
char *item;
if (info != XLOG_SEQ_LOG)
elog(PANIC, "seq_redo: unknown op code %u", info);
- reln = XLogOpenRelation(xlrec->node);
- buffer = XLogReadBuffer(reln, 0, true);
+ buffer = XLogReadBuffer(xlrec->node, 0, true);
Assert(BufferIsValid(buffer));
page = (Page) BufferGetPage(buffer);
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.231 2008/06/08 22:00:47 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.232 2008/06/12 09:12:31 heikki Exp $
*
*-------------------------------------------------------------------------
*/
static volatile BufferDesc *PinCountWaitBuf = NULL;
-static Buffer ReadBuffer_common(Relation reln, BlockNumber blockNum,
- bool zeroPage,
- BufferAccessStrategy strategy);
+static Buffer ReadBuffer_relcache(Relation reln, BlockNumber blockNum,
+ bool zeroPage, BufferAccessStrategy strategy);
+static Buffer ReadBuffer_common(SMgrRelation reln, bool isLocalBuf, BlockNumber blockNum,
+ bool zeroPage, BufferAccessStrategy strategy, bool *hit);
static bool PinBuffer(volatile BufferDesc *buf, BufferAccessStrategy strategy);
static void PinBuffer_Locked(volatile BufferDesc *buf);
static void UnpinBuffer(volatile BufferDesc *buf, bool fixOwner);
static void TerminateBufferIO(volatile BufferDesc *buf, bool clear_dirty,
int set_flag_bits);
static void buffer_write_error_callback(void *arg);
-static volatile BufferDesc *BufferAlloc(Relation reln, BlockNumber blockNum,
+static volatile BufferDesc *BufferAlloc(SMgrRelation smgr, BlockNumber blockNum,
BufferAccessStrategy strategy,
bool *foundPtr);
static void FlushBuffer(volatile BufferDesc *buf, SMgrRelation reln);
Buffer
ReadBuffer(Relation reln, BlockNumber blockNum)
{
- return ReadBuffer_common(reln, blockNum, false, NULL);
+ return ReadBuffer_relcache(reln, blockNum, false, NULL);
}
/*
ReadBufferWithStrategy(Relation reln, BlockNumber blockNum,
BufferAccessStrategy strategy)
{
- return ReadBuffer_common(reln, blockNum, false, strategy);
+ return ReadBuffer_relcache(reln, blockNum, false, strategy);
}
/*
Buffer
ReadOrZeroBuffer(Relation reln, BlockNumber blockNum)
{
- return ReadBuffer_common(reln, blockNum, true, NULL);
+ return ReadBuffer_relcache(reln, blockNum, true, NULL);
}
/*
- * ReadBuffer_common -- common logic for ReadBuffer variants
+ * ReadBufferWithoutRelcache -- like ReadBuffer, but doesn't require a
+ * relcache entry for the relation. If zeroPage is true, this behaves
+ * like ReadOrZeroBuffer rather than ReadBuffer.
+ */
+Buffer
+ReadBufferWithoutRelcache(RelFileNode rnode, bool isTemp,
+ BlockNumber blockNum, bool zeroPage)
+{
+ bool hit;
+
+ SMgrRelation smgr = smgropen(rnode);
+ return ReadBuffer_common(smgr, isTemp, blockNum, zeroPage, NULL, &hit);
+}
+
+/*
+ * ReadBuffer_relcache -- common logic for ReadBuffer-variants that
+ * operate on a Relation.
+ */
+static Buffer
+ReadBuffer_relcache(Relation reln, BlockNumber blockNum,
+ bool zeroPage, BufferAccessStrategy strategy)
+{
+ bool hit;
+ Buffer buf;
+
+ /* Open it at the smgr level if not already done */
+ RelationOpenSmgr(reln);
+
+ /*
+ * Read the buffer, and update pgstat counters to reflect a cache
+ * hit or miss.
+ */
+ pgstat_count_buffer_read(reln);
+ buf = ReadBuffer_common(reln->rd_smgr, reln->rd_istemp, blockNum,
+ zeroPage, strategy, &hit);
+ if (hit)
+ pgstat_count_buffer_hit(reln);
+ return buf;
+}
+
+/*
+ * ReadBuffer_common -- common logic for all ReadBuffer variants
+ *
+ * *hit is set to true if the request was satisfied from shared buffer cache.
*/
static Buffer
-ReadBuffer_common(Relation reln, BlockNumber blockNum, bool zeroPage,
- BufferAccessStrategy strategy)
+ReadBuffer_common(SMgrRelation smgr, bool isLocalBuf, BlockNumber blockNum,
+ bool zeroPage, BufferAccessStrategy strategy, bool *hit)
{
volatile BufferDesc *bufHdr;
Block bufBlock;
bool found;
bool isExtend;
- bool isLocalBuf;
+
+ *hit = false;
/* Make sure we will have room to remember the buffer pin */
ResourceOwnerEnlargeBuffers(CurrentResourceOwner);
isExtend = (blockNum == P_NEW);
- isLocalBuf = reln->rd_istemp;
-
- /* Open it at the smgr level if not already done */
- RelationOpenSmgr(reln);
/* Substitute proper block number if caller asked for P_NEW */
if (isExtend)
- blockNum = smgrnblocks(reln->rd_smgr);
-
- pgstat_count_buffer_read(reln);
+ blockNum = smgrnblocks(smgr);
if (isLocalBuf)
{
ReadLocalBufferCount++;
- bufHdr = LocalBufferAlloc(reln, blockNum, &found);
+ bufHdr = LocalBufferAlloc(smgr, blockNum, &found);
if (found)
LocalBufferHitCount++;
}
* lookup the buffer. IO_IN_PROGRESS is set if the requested block is
* not currently in memory.
*/
- bufHdr = BufferAlloc(reln, blockNum, strategy, &found);
+ bufHdr = BufferAlloc(smgr, blockNum, strategy, &found);
if (found)
BufferHitCount++;
}
if (!isExtend)
{
/* Just need to update stats before we exit */
- pgstat_count_buffer_hit(reln);
+ *hit = true;
if (VacuumCostActive)
VacuumCostBalance += VacuumCostPageHit;
bufBlock = isLocalBuf ? LocalBufHdrGetBlock(bufHdr) : BufHdrGetBlock(bufHdr);
if (!PageIsNew((PageHeader) bufBlock))
ereport(ERROR,
- (errmsg("unexpected data beyond EOF in block %u of relation \"%s\"",
- blockNum, RelationGetRelationName(reln)),
+ (errmsg("unexpected data beyond EOF in block %u of relation %u/%u/%u",
+ blockNum, smgr->smgr_rnode.spcNode, smgr->smgr_rnode.dbNode, smgr->smgr_rnode.relNode),
errhint("This has been seen to occur with buggy kernels; consider updating your system.")));
/*
{
/* new buffers are zero-filled */
MemSet((char *) bufBlock, 0, BLCKSZ);
- smgrextend(reln->rd_smgr, blockNum, (char *) bufBlock,
- reln->rd_istemp);
+ smgrextend(smgr, blockNum, (char *) bufBlock, isLocalBuf);
}
else
{
if (zeroPage)
MemSet((char *) bufBlock, 0, BLCKSZ);
else
- smgrread(reln->rd_smgr, blockNum, (char *) bufBlock);
+ smgrread(smgr, blockNum, (char *) bufBlock);
/* check for garbage data */
if (!PageHeaderIsValid((PageHeader) bufBlock))
{
{
ereport(WARNING,
(errcode(ERRCODE_DATA_CORRUPTED),
- errmsg("invalid page header in block %u of relation \"%s\"; zeroing out page",
- blockNum, RelationGetRelationName(reln))));
+ errmsg("invalid page header in block %u of relation %u/%u/%u; zeroing out page",
+ blockNum,
+ smgr->smgr_rnode.spcNode,
+ smgr->smgr_rnode.dbNode,
+ smgr->smgr_rnode.relNode)));
MemSet((char *) bufBlock, 0, BLCKSZ);
}
else
ereport(ERROR,
(errcode(ERRCODE_DATA_CORRUPTED),
- errmsg("invalid page header in block %u of relation \"%s\"",
- blockNum, RelationGetRelationName(reln))));
+ errmsg("invalid page header in block %u of relation %u/%u/%u",
+ blockNum, smgr->smgr_rnode.spcNode,
+ smgr->smgr_rnode.dbNode,
+ smgr->smgr_rnode.relNode)));
}
}
* No locks are held either at entry or exit.
*/
static volatile BufferDesc *
-BufferAlloc(Relation reln,
+BufferAlloc(SMgrRelation smgr,
BlockNumber blockNum,
BufferAccessStrategy strategy,
bool *foundPtr)
bool valid;
/* create a tag so we can lookup the buffer */
- INIT_BUFFERTAG(newTag, reln, blockNum);
+ INIT_BUFFERTAG(newTag, smgr->smgr_rnode, blockNum);
/* determine its hash code and partition lock ID */
newHash = BufTableHashCode(&newTag);
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/storage/buffer/localbuf.c,v 1.79 2008/01/01 19:45:51 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/storage/buffer/localbuf.c,v 1.80 2008/06/12 09:12:31 heikki Exp $
*
*-------------------------------------------------------------------------
*/
* (hence, usage_count is always advanced).
*/
BufferDesc *
-LocalBufferAlloc(Relation reln, BlockNumber blockNum, bool *foundPtr)
+LocalBufferAlloc(SMgrRelation smgr, BlockNumber blockNum, bool *foundPtr)
{
BufferTag newTag; /* identity of requested block */
LocalBufferLookupEnt *hresult;
int trycounter;
bool found;
- INIT_BUFFERTAG(newTag, reln, blockNum);
+ INIT_BUFFERTAG(newTag, smgr->smgr_rnode, blockNum);
/* Initialize local buffers if first request in this session */
if (LocalBufHash == NULL)
Assert(BUFFERTAGS_EQUAL(bufHdr->tag, newTag));
#ifdef LBDEBUG
fprintf(stderr, "LB ALLOC (%u,%d) %d\n",
- RelationGetRelid(reln), blockNum, -b - 1);
+ smgr->smgr_rnode.relNode, blockNum, -b - 1);
#endif
/* this part is equivalent to PinBuffer for a shared buffer */
if (LocalRefCount[b] == 0)
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/storage/smgr/smgr.c,v 1.109 2008/01/01 19:45:52 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/storage/smgr/smgr.c,v 1.110 2008/06/12 09:12:31 heikki Exp $
*
*-------------------------------------------------------------------------
*/
xl_smgr_create xlrec;
PendingRelDelete *pending;
+ /*
+ * Exit quickly in WAL replay mode if we've already opened the file.
+ * If it's open, it surely must exist.
+ */
+ if (isRedo && reln->md_fd != NULL)
+ return;
+
/*
* We may be using the target table space for the first time in this
* database, so create a per-database subdirectory if needed.
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/backend/utils/init/flatfiles.c,v 1.34 2008/05/12 00:00:52 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/init/flatfiles.c,v 1.35 2008/06/12 09:12:31 heikki Exp $
*
*-------------------------------------------------------------------------
*/
rel_authid,
rel_authmem;
- /*
- * We don't have any hope of running a real relcache, but we can use the
- * same fake-relcache facility that WAL replay uses.
- */
- XLogInitRelationCache();
-
/* Need a resowner to keep the heapam and buffer code happy */
owner = ResourceOwnerCreate(NULL, "BuildFlatFiles");
CurrentResourceOwner = owner;
rnode.dbNode = 0;
rnode.relNode = DatabaseRelationId;
- /* No locking is needed because no one else is alive yet */
- rel_db = XLogOpenRelation(rnode);
+ /*
+ * We don't have any hope of running a real relcache, but we can use the
+ * same fake-relcache facility that WAL replay uses.
+ *
+ * No locking is needed because no one else is alive yet.
+ */
+ rel_db = CreateFakeRelcacheEntry(rnode);
write_database_file(rel_db, true);
+ FreeFakeRelcacheEntry(rel_db);
if (!database_only)
{
rnode.spcNode = GLOBALTABLESPACE_OID;
rnode.dbNode = 0;
rnode.relNode = AuthIdRelationId;
- rel_authid = XLogOpenRelation(rnode);
+ rel_authid = CreateFakeRelcacheEntry(rnode);
/* hard-wired path to pg_auth_members */
rnode.spcNode = GLOBALTABLESPACE_OID;
rnode.dbNode = 0;
rnode.relNode = AuthMemRelationId;
- rel_authmem = XLogOpenRelation(rnode);
+ rel_authmem = CreateFakeRelcacheEntry(rnode);
write_auth_file(rel_authid, rel_authmem);
+ FreeFakeRelcacheEntry(rel_authid);
+ FreeFakeRelcacheEntry(rel_authmem);
}
CurrentResourceOwner = NULL;
ResourceOwnerDelete(owner);
-
- XLogCloseRelationCache();
}
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.29 2008/04/10 22:25:25 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.30 2008/06/12 09:12:31 heikki Exp $
*
*-------------------------------------------------------------------------
*/
extern bool gistnospace(Page page, IndexTuple *itvec, int len, OffsetNumber todelete, Size freespace);
extern void gistcheckpage(Relation rel, Buffer buf);
extern Buffer gistNewBuffer(Relation r);
-extern OffsetNumber gistfillbuffer(Relation r, Page page, IndexTuple *itup,
- int len, OffsetNumber off);
+extern void gistfillbuffer(Page page, IndexTuple *itup, int len,
+ OffsetNumber off);
extern IndexTuple *gistextractpage(Page page, int *len /* out */ );
extern IndexTuple *gistjoinvector(
IndexTuple *itvec, int *len,
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/access/heapam.h,v 1.135 2008/06/06 22:35:22 alvherre Exp $
+ * $PostgreSQL: pgsql/src/include/access/heapam.h,v 1.136 2008/06/12 09:12:31 heikki Exp $
*
*-------------------------------------------------------------------------
*/
extern int heap_page_prune(Relation relation, Buffer buffer,
TransactionId OldestXmin,
bool redirect_move, bool report_stats);
-extern void heap_page_prune_execute(Relation reln, Buffer buffer,
+extern void heap_page_prune_execute(Buffer buffer,
OffsetNumber *redirected, int nredirected,
OffsetNumber *nowdead, int ndead,
OffsetNumber *nowunused, int nunused,
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/access/xlogutils.h,v 1.23 2008/01/01 19:45:56 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/access/xlogutils.h,v 1.24 2008/06/12 09:12:31 heikki Exp $
*/
#ifndef XLOG_UTILS_H
#define XLOG_UTILS_H
#include "utils/rel.h"
-extern void XLogInitRelationCache(void);
extern void XLogCheckInvalidPages(void);
-extern void XLogCloseRelationCache(void);
-extern Relation XLogOpenRelation(RelFileNode rnode);
extern void XLogDropRelation(RelFileNode rnode);
extern void XLogDropDatabase(Oid dbid);
extern void XLogTruncateRelation(RelFileNode rnode, BlockNumber nblocks);
-extern Buffer XLogReadBuffer(Relation reln, BlockNumber blkno, bool init);
+extern Buffer XLogReadBuffer(RelFileNode rnode, BlockNumber blkno, bool init);
+
+extern Relation CreateFakeRelcacheEntry(RelFileNode rnode);
+extern void FreeFakeRelcacheEntry(Relation fakerel);
#endif
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/storage/buf_internals.h,v 1.95 2008/01/01 19:45:58 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/storage/buf_internals.h,v 1.96 2008/06/12 09:12:31 heikki Exp $
*
*-------------------------------------------------------------------------
*/
#include "storage/buf.h"
#include "storage/lwlock.h"
#include "storage/shmem.h"
+#include "storage/smgr.h"
#include "storage/spin.h"
#include "utils/rel.h"
(a).blockNum = InvalidBlockNumber \
)
-#define INIT_BUFFERTAG(a,xx_reln,xx_blockNum) \
+#define INIT_BUFFERTAG(a,xx_rnode,xx_blockNum) \
( \
- (a).rnode = (xx_reln)->rd_node, \
+ (a).rnode = (xx_rnode), \
(a).blockNum = (xx_blockNum) \
)
extern void BufTableDelete(BufferTag *tagPtr, uint32 hashcode);
/* localbuf.c */
-extern BufferDesc *LocalBufferAlloc(Relation reln, BlockNumber blockNum,
+extern BufferDesc *LocalBufferAlloc(SMgrRelation reln, BlockNumber blockNum,
bool *foundPtr);
extern void MarkLocalBufferDirty(Buffer buffer);
extern void DropRelFileNodeLocalBuffers(RelFileNode rnode,
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/storage/bufmgr.h,v 1.112 2008/06/08 22:00:48 alvherre Exp $
+ * $PostgreSQL: pgsql/src/include/storage/bufmgr.h,v 1.113 2008/06/12 09:12:31 heikki Exp $
*
*-------------------------------------------------------------------------
*/
extern Buffer ReadBufferWithStrategy(Relation reln, BlockNumber blockNum,
BufferAccessStrategy strategy);
extern Buffer ReadOrZeroBuffer(Relation reln, BlockNumber blockNum);
+extern Buffer ReadBufferWithoutRelcache(RelFileNode rnode, bool isTemp,
+ BlockNumber blockNum, bool zeroPage);
extern void ReleaseBuffer(Buffer buffer);
extern void UnlockReleaseBuffer(Buffer buffer);
extern void MarkBufferDirty(Buffer buffer);
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