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Commit91a33ce

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Force insertion of new items to the end of page.
It is necessary if curent item is greater than last item of the page.
1 parent187309b commit91a33ce

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1 file changed

+16
-3
lines changed

1 file changed

+16
-3
lines changed

‎src/rumdatapage.c

Lines changed: 16 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -520,7 +520,7 @@ convertIndexToKey(RumDataLeafItemIndex *src, RumKey *dst)
520520
}
521521
}
522522

523-
/**
523+
/*
524524
* Find item pointer in leaf data page. Returns true if given item pointer is
525525
* found and false if it's not. Sets offset and iptrOut to last item pointer
526526
* which is less than given one. Sets ptrOut ahead that item pointer.
@@ -874,6 +874,13 @@ dataPlaceToPage(RumBtree btree, Page page, OffsetNumber off)
874874
copyPtr=pageCopy+ (ptr-page);
875875
copyItem.iptr=iptr;
876876
}
877+
else
878+
{
879+
/*
880+
* Force insertion of new items until insertion items are less than
881+
* right bound.
882+
*/
883+
}
877884

878885
freespace=RumPageGetOpaque(page)->freespace;
879886

@@ -907,7 +914,7 @@ dataPlaceToPage(RumBtree btree, Page page, OffsetNumber off)
907914
{
908915
/* we copied all old items but we have to add more new items */
909916
if (stopAppend)
910-
/* there is no free space on page */
917+
/* there is no free space on page */
911918
break;
912919
elseif (RumPageRightMost(page))
913920
/* force insertion of new item */
@@ -916,7 +923,13 @@ dataPlaceToPage(RumBtree btree, Page page, OffsetNumber off)
916923
RumDataPageGetRightBound(page),
917924
btree->items+btree->curitem)) >=0)
918925
{
919-
/* force insertion of new item */
926+
/*
927+
* Force insertion if current item is greater than last item
928+
* of the page but less than right bound.
929+
*/
930+
if (off>maxoff)
931+
/* force insertion of new item */
932+
cmp=1;
920933
}
921934
else
922935
/* new items should be inserted on next page */

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