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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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29
src/backend/executor/nodeHash.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeHash.c,v 1.23 1998/09/01 04:28:29 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeHash.c,v 1.24 1998/11/27 19:52:02 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -489,16 +489,19 @@ ExecHashTableInsert(HashJoinTable hashtable,
*/
bucket = (HashBucket)
(ABSADDR(hashtable->top) + bucketno * hashtable->bucketsize);
if ((char *) LONGALIGN(ABSADDR(bucket->bottom))
- (char *) bucket + heapTuple->t_len > hashtable->bucketsize)
if ((char *) LONGALIGN(ABSADDR(bucket->bottom)) - (char *) bucket
+ heapTuple->t_len + HEAPTUPLESIZE > hashtable->bucketsize)
ExecHashOverflowInsert(hashtable, bucket, heapTuple);
else
{
memmove((char *) LONGALIGN(ABSADDR(bucket->bottom)),
heapTuple,
HEAPTUPLESIZE);
memmove((char *) LONGALIGN(ABSADDR(bucket->bottom)) + HEAPTUPLESIZE,
heapTuple->t_data,
heapTuple->t_len);
bucket->bottom =
((RelativeAddr) LONGALIGN(bucket->bottom) + heapTuple->t_len);
bucket->bottom = ((RelativeAddr) LONGALIGN(bucket->bottom) +
heapTuple->t_len + HEAPTUPLESIZE);
}
}
else
@ -611,7 +614,7 @@ ExecHashOverflowInsert(HashJoinTable hashtable,
* ----------------
*/
newend = (RelativeAddr) LONGALIGN(hashtable->overflownext + sizeof(*otuple)
+ heapTuple->t_len);
+ heapTuple->t_len + HEAPTUPLESIZE);
if (newend > hashtable->bottom)
{
#if 0
@ -664,6 +667,9 @@ ExecHashOverflowInsert(HashJoinTable hashtable,
otuple->tuple = RELADDR(LONGALIGN(((char *) otuple + sizeof(*otuple))));
memmove(ABSADDR(otuple->tuple),
heapTuple,
HEAPTUPLESIZE);
memmove(ABSADDR(otuple->tuple) + HEAPTUPLESIZE,
heapTuple->t_data,
heapTuple->t_len);
}
@ -704,7 +710,10 @@ ExecScanHashBucket(HashJoinState *hjstate,
LONGALIGN(ABSADDR(bucket->top));
else
heapTuple = (HeapTuple)
LONGALIGN(((char *) curtuple + curtuple->t_len));
LONGALIGN(((char *) curtuple + curtuple->t_len + HEAPTUPLESIZE));
heapTuple->t_data = (HeapTupleHeader)
((char *) heapTuple + HEAPTUPLESIZE);
while (heapTuple < (HeapTuple) ABSADDR(bucket->bottom))
{
@ -721,7 +730,9 @@ ExecScanHashBucket(HashJoinState *hjstate,
return heapTuple;
heapTuple = (HeapTuple)
LONGALIGN(((char *) heapTuple + heapTuple->t_len));
LONGALIGN(((char *) heapTuple + heapTuple->t_len + HEAPTUPLESIZE));
heapTuple->t_data = (HeapTupleHeader)
((char *) heapTuple + HEAPTUPLESIZE);
}
if (firstotuple == NULL)
@ -742,6 +753,8 @@ ExecScanHashBucket(HashJoinState *hjstate,
while (otuple != NULL)
{
heapTuple = (HeapTuple) ABSADDR(otuple->tuple);
heapTuple->t_data = (HeapTupleHeader)
((char *) heapTuple + HEAPTUPLESIZE);
inntuple = ExecStoreTuple(heapTuple, /* tuple to store */
hjstate->hj_HashTupleSlot, /* slot */