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New HeapTuple structure/interface.

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This commit is contained in:
Vadim B. Mikheev
1998-11-27 19:52:36 +00:00
parent 2435c7d501
commit 6beba218d7
65 changed files with 834 additions and 850 deletions
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14
src/backend/access/heap/hio.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Id: hio.c,v 1.13 1998/01/07 21:01:23 momjian Exp $
* $Id: hio.c,v 1.14 1998/11/27 19:51:36 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -69,17 +69,17 @@ RelationPutHeapTuple(Relation relation,
len = (unsigned) DOUBLEALIGN(tuple->t_len); /* be conservative */
Assert((int) len <= PageGetFreeSpace(pageHeader));
offnum = PageAddItem((Page) pageHeader, (Item) tuple,
offnum = PageAddItem((Page) pageHeader, (Item) tuple->t_data,
tuple->t_len, InvalidOffsetNumber, LP_USED);
itemId = PageGetItemId((Page) pageHeader, offnum);
item = PageGetItem((Page) pageHeader, itemId);
ItemPointerSet(&((HeapTuple) item)->t_ctid, blockIndex, offnum);
ItemPointerSet(&((HeapTupleHeader) item)->t_ctid, blockIndex, offnum);
WriteBuffer(buffer);
/* return an accurate tuple */
ItemPointerSet(&tuple->t_ctid, blockIndex, offnum);
ItemPointerSet(&tuple->t_self, blockIndex, offnum);
}
/*
@ -160,7 +160,7 @@ RelationPutHeapTupleAtEnd(Relation relation, HeapTuple tuple)
elog(ERROR, "Tuple is too big: size %d", len);
}
offnum = PageAddItem((Page) pageHeader, (Item) tuple,
offnum = PageAddItem((Page) pageHeader, (Item) tuple->t_data,
tuple->t_len, InvalidOffsetNumber, LP_USED);
itemId = PageGetItemId((Page) pageHeader, offnum);
@ -168,10 +168,10 @@ RelationPutHeapTupleAtEnd(Relation relation, HeapTuple tuple)
lastblock = BufferGetBlockNumber(buffer);
ItemPointerSet(&((HeapTuple) item)->t_ctid, lastblock, offnum);
ItemPointerSet(&((HeapTupleHeader) item)->t_ctid, lastblock, offnum);
/* return an accurate tuple */
ItemPointerSet(&tuple->t_ctid, lastblock, offnum);
ItemPointerSet(&tuple->t_self, lastblock, offnum);
WriteBuffer(buffer);
}