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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/executor/nodeHashjoin.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeHashjoin.c,v 1.13 1998/09/01 04:28:31 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeHashjoin.c,v 1.14 1998/11/27 19:52:02 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -646,7 +646,10 @@ ExecHashJoinGetSavedTuple(HashJoinState *hjstate,
(*position) = bufstart;
}
heapTuple = (HeapTuple) (*position);
(*position) = (char *) LONGALIGN(*position + heapTuple->t_len);
heapTuple->t_data = (HeapTupleHeader)
((char *) heapTuple + HEAPTUPLESIZE);
(*position) = (char *) LONGALIGN(*position +
heapTuple->t_len + HEAPTUPLESIZE);
return ExecStoreTuple(heapTuple, tupleSlot, InvalidBuffer, false);
}
@ -824,7 +827,7 @@ ExecHashJoinSaveTuple(HeapTuple heapTuple,
if (position == NULL)
position = pagestart;
if (position + heapTuple->t_len >= pagebound)
if (position + heapTuple->t_len + HEAPTUPLESIZE >= pagebound)
{
cc = FileSeek(file, 0L, SEEK_END);
if (cc < 0)
@ -836,8 +839,9 @@ ExecHashJoinSaveTuple(HeapTuple heapTuple,
position = pagestart;
*pageend = 0;
}
memmove(position, heapTuple, heapTuple->t_len);
position = (char *) LONGALIGN(position + heapTuple->t_len);
memmove(position, heapTuple, HEAPTUPLESIZE);
memmove(position + HEAPTUPLESIZE, heapTuple->t_data, heapTuple->t_len);
position = (char *) LONGALIGN(position + heapTuple->t_len + HEAPTUPLESIZE);
*pageend = position - buffer;
return position;