WAL for GiST. It work for online backup and so on, but on

recovery after crash (power loss etc) it may say that it can't restore index and index should be reindexed. Some refactoring code.
2025-09-03 15:22:11 +03:00 · 2005-06-14 11:45:14 +00:00
parent d6636543c4
commit 37c839365c
7 changed files with 2055 additions and 1112 deletions
--- a/src/backend/access/gist/gistxlog.c
+++ b/src/backend/access/gist/gistxlog.c
@@ -0,0 +1,628 @@
+/*-------------------------------------------------------------------------
+ *
+ * gistxlog.c
+ *	  WAL replay logic for GiST.
+ *
+ *
+ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *           $PostgreSQL: pgsql/src/backend/access/gist/gistxlog.c,v 1.1 2005/06/14 11:45:13 teodor Exp $
+ *-------------------------------------------------------------------------
+ */
+#include "postgres.h"
+
+#include "access/genam.h"
+#include "access/gist_private.h"
+#include "access/gistscan.h"
+#include "access/heapam.h"
+#include "catalog/index.h"
+#include "commands/vacuum.h"
+#include "miscadmin.h"
+#include "utils/memutils.h"
+
+typedef struct {
+	gistxlogEntryUpdate	*data;
+	int			len;
+	IndexTuple		*itup;
+	BlockNumber		*path;
+} EntryUpdateRecord;
+
+typedef struct {
+	gistxlogPage	*header;
+	OffsetNumber	*offnum;
+
+	/* to work with */
+	Page	page;
+	Buffer	buffer;
+	bool	is_ok;
+} NewPage;
+
+typedef struct {
+	gistxlogPageSplit	*data;
+	NewPage			*page;
+	IndexTuple		*itup;
+	BlockNumber		*path;
+} PageSplitRecord;
+
+/* track for incomplete inserts, idea was taken from nbtxlog.c */
+
+typedef struct gistIncompleteInsert {
+	RelFileNode	node;
+	ItemPointerData	key;
+	int		lenblk;
+	BlockNumber	*blkno;
+	int		pathlen;
+	BlockNumber	*path;
+} gistIncompleteInsert;
+
+
+MemoryContext opCtx;
+MemoryContext insertCtx;
+static List *incomplete_inserts;
+
+
+#define ItemPointerEQ( a, b )	\
+	( \
+	ItemPointerGetOffsetNumber(a) == ItemPointerGetOffsetNumber(a) && \
+	ItemPointerGetBlockNumber (a) == ItemPointerGetBlockNumber(b) \
+        )
+
+static void
+pushIncompleteInsert(RelFileNode node, ItemPointerData key,
+		BlockNumber *blkno, int lenblk,
+		BlockNumber *path,  int pathlen,
+		PageSplitRecord *xlinfo /* to extract blkno info */ ) {
+	MemoryContext oldCxt = MemoryContextSwitchTo(insertCtx);
+	gistIncompleteInsert *ninsert = (gistIncompleteInsert*)palloc( sizeof(gistIncompleteInsert) );
+
+	ninsert->node = node;
+	ninsert->key  = key;
+
+	if ( lenblk && blkno ) {	
+		ninsert->lenblk = lenblk;
+		ninsert->blkno = (BlockNumber*)palloc( sizeof(BlockNumber)*ninsert->lenblk );
+		memcpy(ninsert->blkno, blkno, sizeof(BlockNumber)*ninsert->lenblk);
+	} else {
+		int i;
+
+		Assert( xlinfo );
+		ninsert->lenblk = xlinfo->data->npage;
+		ninsert->blkno = (BlockNumber*)palloc( sizeof(BlockNumber)*ninsert->lenblk );
+		for(i=0;i<ninsert->lenblk;i++)
+			ninsert->blkno[i] = xlinfo->page[i].header->blkno;
+	}
+	Assert( ninsert->lenblk>0 );
+	
+	if ( path && ninsert->pathlen ) {
+		ninsert->pathlen = pathlen;
+		ninsert->path = (BlockNumber*)palloc( sizeof(BlockNumber)*ninsert->pathlen );
+		memcpy(ninsert->path, path, sizeof(BlockNumber)*ninsert->pathlen);
+	} else { 
+		ninsert->pathlen = 0;
+		ninsert->path = NULL;
+	}
+
+	incomplete_inserts = lappend(incomplete_inserts, ninsert);
+	MemoryContextSwitchTo(oldCxt);
+}
+
+static void
+forgetIncompleteInsert(RelFileNode node, ItemPointerData key) {
+	ListCell   *l;
+
+	foreach(l, incomplete_inserts) {
+		gistIncompleteInsert	*insert = (gistIncompleteInsert*) lfirst(l);
+
+		if (  RelFileNodeEquals(node, insert->node) && ItemPointerEQ( &(insert->key), &(key) ) ) {
+			
+			/* found */
+			if ( insert->path ) pfree( insert->path );
+			pfree( insert->blkno );
+			incomplete_inserts = list_delete_ptr(incomplete_inserts, insert);
+			pfree( insert );
+			break;
+		} 
+	}
+}
+
+static void
+decodeEntryUpdateRecord(EntryUpdateRecord *decoded, XLogRecord *record) {
+	char *begin = XLogRecGetData(record), *ptr;
+	int i=0, addpath=0;
+
+	decoded->data = (gistxlogEntryUpdate*)begin;
+
+	if ( decoded->data->pathlen ) {
+		addpath = sizeof(BlockNumber) * decoded->data->pathlen;
+		decoded->path = (BlockNumber*)(begin+sizeof( gistxlogEntryUpdate ));
+	} else 
+		decoded->path = NULL;
+
+	decoded->len=0;
+	ptr=begin+sizeof( gistxlogEntryUpdate ) + addpath;
+	while( ptr - begin < record->xl_len ) {
+		decoded->len++;
+		ptr += IndexTupleSize( (IndexTuple)ptr );
+	}  
+
+	decoded->itup=(IndexTuple*)palloc( sizeof( IndexTuple ) * decoded->len );
+	
+	ptr=begin+sizeof( gistxlogEntryUpdate ) + addpath;
+	while( ptr - begin < record->xl_len ) {
+		decoded->itup[i] = (IndexTuple)ptr;
+		ptr += IndexTupleSize( decoded->itup[i] );
+		i++;
+	}
+}
+
+
+static void
+gistRedoEntryUpdateRecord(XLogRecPtr lsn, XLogRecord *record, bool isnewroot) {
+	EntryUpdateRecord	xlrec;
+	Relation        reln;
+	Buffer          buffer;
+	Page            page;
+
+	decodeEntryUpdateRecord( &xlrec, record );
+
+	reln = XLogOpenRelation(xlrec.data->node);
+	if (!RelationIsValid(reln))
+		return;
+	buffer = XLogReadBuffer(false, reln, xlrec.data->blkno);
+	if (!BufferIsValid(buffer))
+		elog(PANIC, "gistRedoEntryUpdateRecord: block unfound");
+	page = (Page) BufferGetPage(buffer);
+
+	if ( isnewroot ) {
+		if ( !PageIsNew((PageHeader) page) && XLByteLE(lsn, PageGetLSN(page)) ) {
+			LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
+			ReleaseBuffer(buffer);
+			return;
+		}
+	} else { 
+		if ( PageIsNew((PageHeader) page) )
+			elog(PANIC, "gistRedoEntryUpdateRecord: uninitialized page");
+		if (XLByteLE(lsn, PageGetLSN(page))) {
+			LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
+			ReleaseBuffer(buffer);
+			return;
+		}
+	}
+
+	if ( isnewroot )
+		GISTInitBuffer(buffer, 0);
+	else if ( xlrec.data->todeleteoffnum != InvalidOffsetNumber ) 
+		PageIndexTupleDelete(page, xlrec.data->todeleteoffnum);
+
+	/* add tuples */
+	if ( xlrec.len > 0 ) {
+                OffsetNumber off = (PageIsEmpty(page)) ?  
+                        FirstOffsetNumber
+                        :
+                        OffsetNumberNext(PageGetMaxOffsetNumber(page));
+
+		gistfillbuffer(reln, page, xlrec.itup, xlrec.len, off);
+	}
+
+	PageSetLSN(page, lsn);
+	PageSetTLI(page, ThisTimeLineID);
+	LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
+	WriteBuffer(buffer);
+
+	if ( ItemPointerIsValid( &(xlrec.data->key) ) ) {
+		if ( incomplete_inserts != NIL )
+			forgetIncompleteInsert(xlrec.data->node, xlrec.data->key);
+
+		if ( !isnewroot && xlrec.data->blkno!=GIST_ROOT_BLKNO )
+			pushIncompleteInsert(xlrec.data->node, xlrec.data->key, 
+				&(xlrec.data->blkno), 1,
+				xlrec.path, xlrec.data->pathlen,
+				NULL);
+	}
+}
+
+static void
+decodePageSplitRecord(PageSplitRecord *decoded, XLogRecord *record) {
+	char *begin = XLogRecGetData(record), *ptr;
+	int i=0, addpath = 0;
+
+	decoded->data = (gistxlogPageSplit*)begin;
+	decoded->page = (NewPage*)palloc( sizeof(NewPage) * decoded->data->npage );
+	decoded->itup = (IndexTuple*)palloc( sizeof(IndexTuple) * decoded->data->nitup );
+
+	if ( decoded->data->pathlen ) {
+		addpath = sizeof(BlockNumber) * decoded->data->pathlen;
+		decoded->path = (BlockNumber*)(begin+sizeof( gistxlogEntryUpdate ));
+	} else 
+		decoded->path = NULL;
+
+	ptr=begin+sizeof( gistxlogPageSplit ) + addpath;
+	for(i=0;i<decoded->data->nitup;i++) {
+		Assert( ptr - begin < record->xl_len );
+		decoded->itup[i] = (IndexTuple)ptr;
+		ptr += IndexTupleSize( decoded->itup[i] );
+	}
+
+	for(i=0;i<decoded->data->npage;i++) {
+		Assert( ptr - begin < record->xl_len );
+		decoded->page[i].header = (gistxlogPage*)ptr;
+		ptr += sizeof(gistxlogPage);
+
+		Assert( ptr - begin < record->xl_len );
+		decoded->page[i].offnum = (OffsetNumber*)ptr;
+		ptr += MAXALIGN( sizeof(OffsetNumber) * decoded->page[i].header->num );
+	}
+}
+	
+static void
+gistRedoPageSplitRecord(XLogRecPtr lsn, XLogRecord *record ) {
+	PageSplitRecord	xlrec;
+	Relation        reln;
+	Buffer          buffer;
+	Page            page;
+	int 		i, len=0;
+	IndexTuple	*itup, *institup;
+	GISTPageOpaque opaque;
+	bool release=true;
+
+	decodePageSplitRecord( &xlrec, record );
+
+	reln = XLogOpenRelation(xlrec.data->node);
+	if (!RelationIsValid(reln))
+		return;
+	buffer = XLogReadBuffer( false, reln, xlrec.data->origblkno);
+	if (!BufferIsValid(buffer))
+		elog(PANIC, "gistRedoEntryUpdateRecord: block unfound");
+	page = (Page) BufferGetPage(buffer);
+	if (PageIsNew((PageHeader) page))
+		elog(PANIC, "gistRedoEntryUpdateRecord: uninitialized page");
+
+	if (XLByteLE(lsn, PageGetLSN(page))) {
+		LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
+		ReleaseBuffer(buffer);
+		return;
+	}
+	
+	if ( xlrec.data->todeleteoffnum != InvalidOffsetNumber )
+		PageIndexTupleDelete(page, xlrec.data->todeleteoffnum);
+
+	itup = gistextractbuffer(buffer, &len);
+	itup = gistjoinvector(itup, &len, xlrec.itup, xlrec.data->nitup);
+	institup = (IndexTuple*)palloc( sizeof(IndexTuple) * len );
+        opaque = (GISTPageOpaque) PageGetSpecialPointer(page);
+
+	for(i=0;i<xlrec.data->npage;i++) {
+		int j;
+		NewPage *newpage = xlrec.page + i; 
+
+		/* prepare itup vector */
+		for(j=0;j<newpage->header->num;j++)
+			institup[j] = itup[ newpage->offnum[j] - 1 ];
+
+		if ( newpage->header->blkno == xlrec.data->origblkno ) {
+			/* IncrBufferRefCount(buffer); */
+			newpage->page = (Page) PageGetTempPage(page, sizeof(GISTPageOpaqueData));
+			newpage->buffer = buffer;
+			newpage->is_ok=false; 
+		} else {
+			newpage->buffer = XLogReadBuffer(true, reln, newpage->header->blkno);
+			if (!BufferIsValid(newpage->buffer))
+				elog(PANIC, "gistRedoPageSplitRecord: lost page");
+			newpage->page = (Page) BufferGetPage(newpage->buffer);
+			if (!PageIsNew((PageHeader) page) && XLByteLE(lsn, PageGetLSN(newpage->page))) {
+				LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
+				ReleaseBuffer(buffer);
+				newpage->is_ok=true;
+				continue; /* good page */
+			} else {
+				newpage->is_ok=false;
+				GISTInitBuffer(newpage->buffer, opaque->flags & F_LEAF);
+			}
+		}
+		gistfillbuffer(reln, newpage->page, institup, newpage->header->num, FirstOffsetNumber);
+	}
+
+	for(i=0;i<xlrec.data->npage;i++) {
+		NewPage *newpage = xlrec.page + i;
+
+		if ( newpage->is_ok )
+			continue;
+
+		if ( newpage->header->blkno == xlrec.data->origblkno ) { 
+			PageRestoreTempPage(newpage->page, page);
+			release = false;
+		}
+
+		PageSetLSN(newpage->page, lsn);
+		PageSetTLI(newpage->page, ThisTimeLineID);
+		LockBuffer(newpage->buffer, BUFFER_LOCK_UNLOCK);
+		WriteBuffer(newpage->buffer);	
+	}
+
+	if ( release ) {
+		LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
+		ReleaseBuffer(buffer);
+	}
+
+	if ( ItemPointerIsValid( &(xlrec.data->key) ) ) {
+		if ( incomplete_inserts != NIL )
+			forgetIncompleteInsert(xlrec.data->node, xlrec.data->key);
+
+		pushIncompleteInsert(xlrec.data->node, xlrec.data->key, 
+				NULL, 0,
+				xlrec.path, xlrec.data->pathlen,
+				&xlrec);
+	}
+}
+
+static void
+gistRedoCreateIndex(XLogRecPtr lsn, XLogRecord *record) {
+	RelFileNode	*node = (RelFileNode*)XLogRecGetData(record);
+	Relation        reln;
+	Buffer          buffer;
+	Page            page;
+
+	reln = XLogOpenRelation(*node);
+	if (!RelationIsValid(reln))
+		return;
+	buffer = XLogReadBuffer( true, reln, GIST_ROOT_BLKNO);
+	if (!BufferIsValid(buffer))
+		elog(PANIC, "gistRedoCreateIndex: block unfound");
+	page = (Page) BufferGetPage(buffer);
+
+	if (!PageIsNew((PageHeader) page) && XLByteLE(lsn, PageGetLSN(page))) {
+		LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
+		ReleaseBuffer(buffer);
+		return;
+	}
+
+	GISTInitBuffer(buffer, F_LEAF);
+
+	PageSetLSN(page, lsn);
+	PageSetTLI(page, ThisTimeLineID);
+	LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
+	WriteBuffer(buffer);	
+}
+
+void
+gist_redo(XLogRecPtr lsn, XLogRecord *record)
+{
+	uint8           info = record->xl_info & ~XLR_INFO_MASK;
+
+	MemoryContext oldCxt;
+	oldCxt = MemoryContextSwitchTo(opCtx);
+	switch (info) {
+		case	XLOG_GIST_ENTRY_UPDATE:
+		case	XLOG_GIST_ENTRY_DELETE:
+			gistRedoEntryUpdateRecord(lsn, record,false);
+			break;
+		case	XLOG_GIST_NEW_ROOT:
+			gistRedoEntryUpdateRecord(lsn, record,true);
+			break;
+		case	XLOG_GIST_PAGE_SPLIT:
+			gistRedoPageSplitRecord(lsn, record);	
+			break;
+		case	XLOG_GIST_CREATE_INDEX:
+			gistRedoCreateIndex(lsn, record);
+			break;
+		case	XLOG_GIST_INSERT_COMPLETE:
+			forgetIncompleteInsert( ((gistxlogInsertComplete*)XLogRecGetData(record))->node, 
+				((gistxlogInsertComplete*)XLogRecGetData(record))->key );
+			break;
+		default:
+			elog(PANIC, "gist_redo: unknown op code %u", info);
+	}
+
+	MemoryContextSwitchTo(oldCxt);
+	MemoryContextReset(opCtx);
+}
+
+static void
+out_target(char *buf, RelFileNode node, ItemPointerData key)
+{
+        sprintf(buf + strlen(buf), "rel %u/%u/%u; tid %u/%u",
+                 node.spcNode, node.dbNode, node.relNode,
+                        ItemPointerGetBlockNumber(&key),
+                        ItemPointerGetOffsetNumber(&key));
+}
+
+static void
+out_gistxlogEntryUpdate(char *buf, gistxlogEntryUpdate *xlrec) {
+	out_target(buf, xlrec->node, xlrec->key);
+	sprintf(buf + strlen(buf), "; block number %u; update offset %u;", 
+		xlrec->blkno, xlrec->todeleteoffnum);
+}
+
+static void
+out_gistxlogPageSplit(char *buf, gistxlogPageSplit *xlrec) {
+	strcat(buf, "page_split: ");
+	out_target(buf, xlrec->node, xlrec->key);
+	sprintf(buf + strlen(buf), "; block number %u; update offset %u; add %d tuples; split to %d pages", 
+		xlrec->origblkno, xlrec->todeleteoffnum,
+		xlrec->nitup, xlrec->npage);
+}
+
+void
+gist_desc(char *buf, uint8 xl_info, char *rec)
+{
+	uint8           info = xl_info & ~XLR_INFO_MASK;
+
+	switch (info) {
+		case	XLOG_GIST_ENTRY_UPDATE:
+			strcat(buf, "entry_update: ");
+			out_gistxlogEntryUpdate(buf, (gistxlogEntryUpdate*)rec);
+			break;
+		case	XLOG_GIST_ENTRY_DELETE:
+			strcat(buf, "entry_delete: ");
+			out_gistxlogEntryUpdate(buf, (gistxlogEntryUpdate*)rec);
+			break;
+		case	XLOG_GIST_NEW_ROOT:
+			strcat(buf, "new_root: ");
+			out_target(buf, ((gistxlogEntryUpdate*)rec)->node, ((gistxlogEntryUpdate*)rec)->key);
+			break;
+		case	XLOG_GIST_PAGE_SPLIT:
+			out_gistxlogPageSplit(buf, (gistxlogPageSplit*)rec);
+			break;
+		case	XLOG_GIST_CREATE_INDEX:
+			sprintf(buf + strlen(buf), "create_index: rel %u/%u/%u", 
+				((RelFileNode*)rec)->spcNode, 
+				((RelFileNode*)rec)->dbNode, 
+				((RelFileNode*)rec)->relNode);
+			break;
+		case	XLOG_GIST_INSERT_COMPLETE:
+			strcat(buf, "insert_complete: ");
+			out_target(buf, ((gistxlogInsertComplete*)rec)->node, ((gistxlogInsertComplete*)rec)->key); 
+		default:
+			elog(PANIC, "gist_desc: unknown op code %u", info);
+	}
+}
+
+
+#ifdef GIST_INCOMPLETE_INSERT 
+static void
+gistContinueInsert(gistIncompleteInsert *insert) {
+	GISTSTATE	giststate;
+	GISTInsertState	state;
+	int i;
+	MemoryContext oldCxt;
+	oldCxt = MemoryContextSwitchTo(opCtx);
+	
+	state.r = XLogOpenRelation(insert->node);
+	if (!RelationIsValid(state.r))
+		return;
+
+	initGISTstate(&giststate, state.r);
+
+	state.needInsertComplete=false;
+	ItemPointerSetInvalid( &(state.key) );
+	state.path=NULL;
+	state.pathlen=0;
+	state.xlog_mode = true;
+
+	/* form union tuples */
+	state.itup = (IndexTuple*)palloc(sizeof(IndexTuple)*insert->lenblk);
+	state.ituplen = insert->lenblk; 
+	for(i=0;i<insert->lenblk;i++) {
+		int len=0;
+		IndexTuple *itup;
+		Buffer	buffer;
+		Page	page;
+
+		buffer = XLogReadBuffer(false, state.r, insert->blkno[i]);
+		if (!BufferIsValid(buffer))
+			elog(PANIC, "gistContinueInsert: block unfound");
+		page = (Page) BufferGetPage(buffer);
+		if ( PageIsNew((PageHeader)page) )
+			elog(PANIC, "gistContinueInsert: uninitialized page");
+
+		itup = gistextractbuffer(buffer, &len);
+		state.itup[i] = gistunion(state.r, itup, len, &giststate);
+
+		ItemPointerSet( &(state.itup[i]->t_tid), insert->blkno[i], FirstOffsetNumber );
+		
+		LockBuffer(buffer, BUFFER_LOCK_UNLOCK);
+		ReleaseBuffer(buffer);
+	}
+
+	if ( insert->pathlen==0 ) { 
+		/*it  was split root, so we should only make new root*/
+		gistnewroot(state.r, state.itup, state.ituplen, &(state.key), true);
+		MemoryContextSwitchTo(oldCxt);
+		MemoryContextReset(opCtx);
+		return;
+	}
+
+	/* form stack */
+	state.stack=NULL;
+	for(i=0;i<insert->pathlen;i++) {
+		int j,len=0;
+		IndexTuple *itup;
+		GISTInsertStack *top = (GISTInsertStack*)palloc( sizeof(GISTInsertStack) );
+
+		top->blkno = insert->path[i];
+		top->buffer = XLogReadBuffer(false, state.r, top->blkno);
+		if (!BufferIsValid(top->buffer))
+			elog(PANIC, "gistContinueInsert: block unfound");
+		top->page = (Page) BufferGetPage(top->buffer);
+		if ( PageIsNew((PageHeader)(top->page)) )
+			elog(PANIC, "gistContinueInsert: uninitialized page");
+
+		top->todelete = false;	
+
+		/* find childoffnum */
+		itup = gistextractbuffer(top->buffer, &len);
+		top->childoffnum=InvalidOffsetNumber;
+		for(j=0;j<len && top->childoffnum==InvalidOffsetNumber;j++) {
+			BlockNumber blkno = ItemPointerGetBlockNumber( &(itup[j]->t_tid) ); 
+			
+			if ( i==0 ) {
+				int k; 
+				for(k=0;k<insert->lenblk;k++)
+					if ( insert->blkno[k] == blkno ) {
+						top->childoffnum = j+1;
+						break;
+					}
+			} else if ( insert->path[i-1]==blkno )
+					top->childoffnum = j+1;
+		}
+
+		if ( top->childoffnum==InvalidOffsetNumber ) {
+			elog(WARNING, "gistContinueInsert: unknown parent, REINDEX GiST Indexes");
+			return;
+		}
+
+		if ( i==0 ) 
+			PageIndexTupleDelete(top->page, top->childoffnum);
+			
+		/* install item on right place in stack */
+		top->parent=NULL;
+		if ( state.stack ) {
+			GISTInsertStack *ptr = state.stack;
+			while( ptr->parent )
+				ptr = ptr->parent;
+			ptr->parent=top;
+		} else
+			state.stack = top;
+	}
+
+	/* Good. Now we can continue insert */
+
+	gistmakedeal(&state, &giststate);
+
+	MemoryContextSwitchTo(oldCxt);
+	MemoryContextReset(opCtx);
+}
+#endif
+
+void
+gist_xlog_startup(void) {
+	incomplete_inserts=NIL;
+	insertCtx = AllocSetContextCreate(CurrentMemoryContext,
+		"GiST insert in xlog  temporary context",	
+                                 ALLOCSET_DEFAULT_MINSIZE,
+                                 ALLOCSET_DEFAULT_INITSIZE,
+                                 ALLOCSET_DEFAULT_MAXSIZE);
+	opCtx = createTempGistContext();
+}
+
+void
+gist_xlog_cleanup(void) {
+	ListCell   *l;
+
+	foreach(l, incomplete_inserts) {
+		gistIncompleteInsert	*insert = (gistIncompleteInsert*) lfirst(l);
+		char buf[1024];
+
+		*buf='\0';
+		out_target(buf, insert->node, insert->key);
+		elog(LOG,"Incomplete insert: %s; It's needed to reindex", buf);
+#ifdef GIST_INCOMPLETE_INSERT 
+		gistContinueInsert(insert);
+#endif
+	}
+	MemoryContextDelete(opCtx);
+	MemoryContextDelete(insertCtx);	
+}
+