mirror of
https://github.com/postgres/postgres.git
synced 2025-06-30 21:42:05 +03:00
pgindent run for 8.2.
This commit is contained in:
@ -8,7 +8,7 @@
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/access/gist/gist.c,v 1.142 2006/07/14 14:52:16 momjian Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/access/gist/gist.c,v 1.143 2006/10/04 00:29:48 momjian Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -185,7 +185,7 @@ gistbuildCallback(Relation index,
|
||||
|
||||
/* form an index tuple and point it at the heap tuple */
|
||||
itup = gistFormTuple(&buildstate->giststate, index,
|
||||
values, isnull, true /* size is currently bogus */);
|
||||
values, isnull, true /* size is currently bogus */ );
|
||||
itup->t_tid = htup->t_self;
|
||||
|
||||
/*
|
||||
@ -199,7 +199,7 @@ gistbuildCallback(Relation index,
|
||||
* after initial build do not.
|
||||
*/
|
||||
gistdoinsert(index, itup,
|
||||
RelationGetTargetPageFreeSpace(index, GIST_DEFAULT_FILLFACTOR),
|
||||
RelationGetTargetPageFreeSpace(index, GIST_DEFAULT_FILLFACTOR),
|
||||
&buildstate->giststate);
|
||||
|
||||
buildstate->indtuples += 1;
|
||||
@ -236,7 +236,7 @@ gistinsert(PG_FUNCTION_ARGS)
|
||||
initGISTstate(&giststate, r);
|
||||
|
||||
itup = gistFormTuple(&giststate, r,
|
||||
values, isnull, true /* size is currently bogus */);
|
||||
values, isnull, true /* size is currently bogus */ );
|
||||
itup->t_tid = *ht_ctid;
|
||||
|
||||
gistdoinsert(r, itup, 0, &giststate);
|
||||
@ -285,18 +285,17 @@ gistplacetopage(GISTInsertState *state, GISTSTATE *giststate)
|
||||
bool is_leaf = (GistPageIsLeaf(state->stack->page)) ? true : false;
|
||||
|
||||
/*
|
||||
* if (!is_leaf) remove old key:
|
||||
* This node's key has been modified, either because a child split
|
||||
* occurred or because we needed to adjust our key for an insert in a
|
||||
* child node. Therefore, remove the old version of this node's key.
|
||||
* if (!is_leaf) remove old key: This node's key has been modified, either
|
||||
* because a child split occurred or because we needed to adjust our key
|
||||
* for an insert in a child node. Therefore, remove the old version of
|
||||
* this node's key.
|
||||
*
|
||||
* for WAL replay, in the non-split case we handle this by
|
||||
* setting up a one-element todelete array; in the split case, it's
|
||||
* handled implicitly because the tuple vector passed to gistSplit
|
||||
* won't include this tuple.
|
||||
* for WAL replay, in the non-split case we handle this by setting up a
|
||||
* one-element todelete array; in the split case, it's handled implicitly
|
||||
* because the tuple vector passed to gistSplit won't include this tuple.
|
||||
*
|
||||
* XXX: If we want to change fillfactors between node and leaf,
|
||||
* fillfactor = (is_leaf ? state->leaf_fillfactor : state->node_fillfactor)
|
||||
* XXX: If we want to change fillfactors between node and leaf, fillfactor
|
||||
* = (is_leaf ? state->leaf_fillfactor : state->node_fillfactor)
|
||||
*/
|
||||
if (gistnospace(state->stack->page, state->itup, state->ituplen,
|
||||
is_leaf ? InvalidOffsetNumber : state->stack->childoffnum,
|
||||
@ -307,80 +306,88 @@ gistplacetopage(GISTInsertState *state, GISTSTATE *giststate)
|
||||
int tlen;
|
||||
SplitedPageLayout *dist = NULL,
|
||||
*ptr;
|
||||
BlockNumber rrlink = InvalidBlockNumber;
|
||||
BlockNumber rrlink = InvalidBlockNumber;
|
||||
GistNSN oldnsn;
|
||||
|
||||
is_splitted = true;
|
||||
|
||||
/*
|
||||
* Form index tuples vector to split:
|
||||
* remove old tuple if t's needed and add new tuples to vector
|
||||
* Form index tuples vector to split: remove old tuple if t's needed
|
||||
* and add new tuples to vector
|
||||
*/
|
||||
itvec = gistextractpage(state->stack->page, &tlen);
|
||||
if ( !is_leaf ) {
|
||||
if (!is_leaf)
|
||||
{
|
||||
/* on inner page we should remove old tuple */
|
||||
int pos = state->stack->childoffnum - FirstOffsetNumber;
|
||||
int pos = state->stack->childoffnum - FirstOffsetNumber;
|
||||
|
||||
tlen--;
|
||||
if ( pos != tlen )
|
||||
memmove( itvec+pos, itvec + pos + 1, sizeof( IndexTuple ) * (tlen-pos) );
|
||||
tlen--;
|
||||
if (pos != tlen)
|
||||
memmove(itvec + pos, itvec + pos + 1, sizeof(IndexTuple) * (tlen - pos));
|
||||
}
|
||||
itvec = gistjoinvector(itvec, &tlen, state->itup, state->ituplen);
|
||||
dist = gistSplit(state->r, state->stack->page, itvec, tlen, giststate);
|
||||
|
||||
state->itup = (IndexTuple*)palloc( sizeof(IndexTuple) * tlen);
|
||||
state->itup = (IndexTuple *) palloc(sizeof(IndexTuple) * tlen);
|
||||
state->ituplen = 0;
|
||||
|
||||
if (state->stack->blkno != GIST_ROOT_BLKNO) {
|
||||
/* if non-root split then we should not allocate new buffer,
|
||||
but we must create temporary page to operate */
|
||||
if (state->stack->blkno != GIST_ROOT_BLKNO)
|
||||
{
|
||||
/*
|
||||
* if non-root split then we should not allocate new buffer, but
|
||||
* we must create temporary page to operate
|
||||
*/
|
||||
dist->buffer = state->stack->buffer;
|
||||
dist->page = PageGetTempPage( BufferGetPage(dist->buffer), sizeof(GISTPageOpaqueData) );
|
||||
dist->page = PageGetTempPage(BufferGetPage(dist->buffer), sizeof(GISTPageOpaqueData));
|
||||
|
||||
/*clean all flags except F_LEAF */
|
||||
/* clean all flags except F_LEAF */
|
||||
GistPageGetOpaque(dist->page)->flags = (is_leaf) ? F_LEAF : 0;
|
||||
}
|
||||
|
||||
/* make new pages and fills them */
|
||||
for (ptr = dist; ptr; ptr = ptr->next) {
|
||||
int i;
|
||||
char *data;
|
||||
for (ptr = dist; ptr; ptr = ptr->next)
|
||||
{
|
||||
int i;
|
||||
char *data;
|
||||
|
||||
/* get new page */
|
||||
if ( ptr->buffer == InvalidBuffer ) {
|
||||
ptr->buffer = gistNewBuffer( state->r );
|
||||
GISTInitBuffer( ptr->buffer, (is_leaf) ? F_LEAF : 0 );
|
||||
if (ptr->buffer == InvalidBuffer)
|
||||
{
|
||||
ptr->buffer = gistNewBuffer(state->r);
|
||||
GISTInitBuffer(ptr->buffer, (is_leaf) ? F_LEAF : 0);
|
||||
ptr->page = BufferGetPage(ptr->buffer);
|
||||
}
|
||||
ptr->block.blkno = BufferGetBlockNumber( ptr->buffer );
|
||||
ptr->block.blkno = BufferGetBlockNumber(ptr->buffer);
|
||||
|
||||
/* fill page, we can do it becouse all this pages are new (ie not linked in tree
|
||||
or masked by temp page */
|
||||
data = (char*)(ptr->list);
|
||||
for(i=0;i<ptr->block.num;i++) {
|
||||
if ( PageAddItem(ptr->page, (Item)data, IndexTupleSize((IndexTuple)data), i+FirstOffsetNumber, LP_USED) == InvalidOffsetNumber )
|
||||
/*
|
||||
* fill page, we can do it becouse all this pages are new (ie not
|
||||
* linked in tree or masked by temp page
|
||||
*/
|
||||
data = (char *) (ptr->list);
|
||||
for (i = 0; i < ptr->block.num; i++)
|
||||
{
|
||||
if (PageAddItem(ptr->page, (Item) data, IndexTupleSize((IndexTuple) data), i + FirstOffsetNumber, LP_USED) == InvalidOffsetNumber)
|
||||
elog(ERROR, "failed to add item to index page in \"%s\"", RelationGetRelationName(state->r));
|
||||
data += IndexTupleSize((IndexTuple)data);
|
||||
data += IndexTupleSize((IndexTuple) data);
|
||||
}
|
||||
|
||||
/* set up ItemPointer and remmeber it for parent */
|
||||
ItemPointerSetBlockNumber(&(ptr->itup->t_tid), ptr->block.blkno);
|
||||
state->itup[ state->ituplen ] = ptr->itup;
|
||||
state->itup[state->ituplen] = ptr->itup;
|
||||
state->ituplen++;
|
||||
}
|
||||
|
||||
/* saves old rightlink */
|
||||
if ( state->stack->blkno != GIST_ROOT_BLKNO )
|
||||
rrlink = GistPageGetOpaque(dist->page)->rightlink;
|
||||
if (state->stack->blkno != GIST_ROOT_BLKNO)
|
||||
rrlink = GistPageGetOpaque(dist->page)->rightlink;
|
||||
|
||||
START_CRIT_SECTION();
|
||||
|
||||
/*
|
||||
* must mark buffers dirty before XLogInsert, even though we'll
|
||||
* still be changing their opaque fields below.
|
||||
* set up right links.
|
||||
* must mark buffers dirty before XLogInsert, even though we'll still
|
||||
* be changing their opaque fields below. set up right links.
|
||||
*/
|
||||
for (ptr = dist; ptr; ptr = ptr->next)
|
||||
for (ptr = dist; ptr; ptr = ptr->next)
|
||||
{
|
||||
MarkBufferDirty(ptr->buffer);
|
||||
GistPageGetOpaque(ptr->page)->rightlink = (ptr->next) ?
|
||||
@ -388,9 +395,10 @@ gistplacetopage(GISTInsertState *state, GISTSTATE *giststate)
|
||||
}
|
||||
|
||||
/* restore splitted non-root page */
|
||||
if ( state->stack->blkno != GIST_ROOT_BLKNO ) {
|
||||
PageRestoreTempPage( dist->page, BufferGetPage( dist->buffer ) );
|
||||
dist->page = BufferGetPage( dist->buffer );
|
||||
if (state->stack->blkno != GIST_ROOT_BLKNO)
|
||||
{
|
||||
PageRestoreTempPage(dist->page, BufferGetPage(dist->buffer));
|
||||
dist->page = BufferGetPage(dist->buffer);
|
||||
}
|
||||
|
||||
if (!state->r->rd_istemp)
|
||||
@ -419,25 +427,27 @@ gistplacetopage(GISTInsertState *state, GISTSTATE *giststate)
|
||||
|
||||
/* set up NSN */
|
||||
oldnsn = GistPageGetOpaque(dist->page)->nsn;
|
||||
if ( state->stack->blkno == GIST_ROOT_BLKNO )
|
||||
if (state->stack->blkno == GIST_ROOT_BLKNO)
|
||||
/* if root split we should put initial value */
|
||||
oldnsn = PageGetLSN(dist->page);
|
||||
|
||||
for (ptr = dist; ptr; ptr = ptr->next) {
|
||||
for (ptr = dist; ptr; ptr = ptr->next)
|
||||
{
|
||||
/* only for last set oldnsn */
|
||||
GistPageGetOpaque(ptr->page)->nsn = (ptr->next) ?
|
||||
PageGetLSN(ptr->page) : oldnsn;
|
||||
}
|
||||
|
||||
/*
|
||||
* release buffers, if it was a root split then
|
||||
* release all buffers because we create all buffers
|
||||
/*
|
||||
* release buffers, if it was a root split then release all buffers
|
||||
* because we create all buffers
|
||||
*/
|
||||
ptr = ( state->stack->blkno == GIST_ROOT_BLKNO ) ? dist : dist->next;
|
||||
for(; ptr; ptr = ptr->next)
|
||||
ptr = (state->stack->blkno == GIST_ROOT_BLKNO) ? dist : dist->next;
|
||||
for (; ptr; ptr = ptr->next)
|
||||
UnlockReleaseBuffer(ptr->buffer);
|
||||
|
||||
if (state->stack->blkno == GIST_ROOT_BLKNO) {
|
||||
if (state->stack->blkno == GIST_ROOT_BLKNO)
|
||||
{
|
||||
gistnewroot(state->r, state->stack->buffer, state->itup, state->ituplen, &(state->key));
|
||||
state->needInsertComplete = false;
|
||||
}
|
||||
@ -470,7 +480,7 @@ gistplacetopage(GISTInsertState *state, GISTSTATE *giststate)
|
||||
}
|
||||
|
||||
rdata = formUpdateRdata(state->r->rd_node, state->stack->buffer,
|
||||
offs, noffs,
|
||||
offs, noffs,
|
||||
state->itup, state->ituplen,
|
||||
&(state->key));
|
||||
|
||||
@ -922,16 +932,16 @@ gistSplit(Relation r,
|
||||
GistSplitVector v;
|
||||
GistEntryVector *entryvec;
|
||||
int i;
|
||||
SplitedPageLayout *res = NULL;
|
||||
SplitedPageLayout *res = NULL;
|
||||
|
||||
/* generate the item array */
|
||||
entryvec = palloc(GEVHDRSZ + (len + 1) * sizeof(GISTENTRY));
|
||||
entryvec->n = len + 1;
|
||||
|
||||
memset( v.spl_lisnull, TRUE, sizeof(bool) * giststate->tupdesc->natts );
|
||||
memset( v.spl_risnull, TRUE, sizeof(bool) * giststate->tupdesc->natts );
|
||||
gistSplitByKey(r, page, itup, len, giststate,
|
||||
&v, entryvec, 0);
|
||||
memset(v.spl_lisnull, TRUE, sizeof(bool) * giststate->tupdesc->natts);
|
||||
memset(v.spl_risnull, TRUE, sizeof(bool) * giststate->tupdesc->natts);
|
||||
gistSplitByKey(r, page, itup, len, giststate,
|
||||
&v, entryvec, 0);
|
||||
|
||||
/* form left and right vector */
|
||||
lvectup = (IndexTuple *) palloc(sizeof(IndexTuple) * (len + 1));
|
||||
@ -952,19 +962,20 @@ gistSplit(Relation r,
|
||||
{
|
||||
ROTATEDIST(res);
|
||||
res->block.num = v.splitVector.spl_nright;
|
||||
res->list = gistfillitupvec(rvectup, v.splitVector.spl_nright, &( res->lenlist ) );
|
||||
res->list = gistfillitupvec(rvectup, v.splitVector.spl_nright, &(res->lenlist));
|
||||
res->itup = (v.spl_rightvalid) ? gistFormTuple(giststate, r, v.spl_rattr, v.spl_risnull, false)
|
||||
: gist_form_invalid_tuple(GIST_ROOT_BLKNO);
|
||||
}
|
||||
|
||||
if (!gistfitpage(lvectup, v.splitVector.spl_nleft))
|
||||
{
|
||||
SplitedPageLayout *resptr, *subres;
|
||||
SplitedPageLayout *resptr,
|
||||
*subres;
|
||||
|
||||
resptr = subres = gistSplit(r, page, lvectup, v.splitVector.spl_nleft, giststate);
|
||||
|
||||
/* install on list's tail */
|
||||
while( resptr->next )
|
||||
/* install on list's tail */
|
||||
while (resptr->next)
|
||||
resptr = resptr->next;
|
||||
|
||||
resptr->next = res;
|
||||
@ -974,7 +985,7 @@ gistSplit(Relation r,
|
||||
{
|
||||
ROTATEDIST(res);
|
||||
res->block.num = v.splitVector.spl_nleft;
|
||||
res->list = gistfillitupvec(lvectup, v.splitVector.spl_nleft, &( res->lenlist ) );
|
||||
res->list = gistfillitupvec(lvectup, v.splitVector.spl_nleft, &(res->lenlist));
|
||||
res->itup = (v.spl_leftvalid) ? gistFormTuple(giststate, r, v.spl_lattr, v.spl_lisnull, false)
|
||||
: gist_form_invalid_tuple(GIST_ROOT_BLKNO);
|
||||
}
|
||||
|
Reference in New Issue
Block a user