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Remove the t_datamcxt field of HeapTupleData. This was introduced for

the convenience of tuptoaster.c and is no longer needed, so may as well
get rid of some small amount of overhead.
This commit is contained in:
Tom Lane
2005-11-20 19:49:08 +00:00
parent 40314f2dac
commit dd218ae7b0
13 changed files with 24 additions and 66 deletions

View File

@ -16,7 +16,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/common/heaptuple.c,v 1.102 2005/10/19 22:30:30 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/common/heaptuple.c,v 1.103 2005/11/20 19:49:06 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -623,7 +623,6 @@ heap_copytuple(HeapTuple tuple)
newTuple->t_len = tuple->t_len;
newTuple->t_self = tuple->t_self;
newTuple->t_tableOid = tuple->t_tableOid;
newTuple->t_datamcxt = CurrentMemoryContext;
newTuple->t_data = (HeapTupleHeader) ((char *) newTuple + HEAPTUPLESIZE);
memcpy((char *) newTuple->t_data, (char *) tuple->t_data, tuple->t_len);
return newTuple;
@ -647,7 +646,6 @@ heap_copytuple_with_tuple(HeapTuple src, HeapTuple dest)
dest->t_len = src->t_len;
dest->t_self = src->t_self;
dest->t_tableOid = src->t_tableOid;
dest->t_datamcxt = CurrentMemoryContext;
dest->t_data = (HeapTupleHeader) palloc(src->t_len);
memcpy((char *) dest->t_data, (char *) src->t_data, src->t_len);
}
@ -725,7 +723,6 @@ heap_form_tuple(TupleDesc tupleDescriptor,
* HeapTupleData management structure are allocated in one chunk.
*/
tuple = (HeapTuple) palloc0(HEAPTUPLESIZE + len);
tuple->t_datamcxt = CurrentMemoryContext;
tuple->t_data = td = (HeapTupleHeader) ((char *) tuple + HEAPTUPLESIZE);
/*
@ -833,7 +830,6 @@ heap_formtuple(TupleDesc tupleDescriptor,
* HeapTupleData management structure are allocated in one chunk.
*/
tuple = (HeapTuple) palloc0(HEAPTUPLESIZE + len);
tuple->t_datamcxt = CurrentMemoryContext;
tuple->t_data = td = (HeapTupleHeader) ((char *) tuple + HEAPTUPLESIZE);
/*
@ -1516,11 +1512,6 @@ slot_attisnull(TupleTableSlot *slot, int attnum)
void
heap_freetuple(HeapTuple htup)
{
if (htup->t_data != NULL)
if (htup->t_datamcxt != NULL && (char *) (htup->t_data) !=
((char *) htup + HEAPTUPLESIZE))
pfree(htup->t_data);
pfree(htup);
}
@ -1559,7 +1550,6 @@ heap_addheader(int natts, /* max domain index */
len = hoff + structlen;
tuple = (HeapTuple) palloc0(HEAPTUPLESIZE + len);
tuple->t_datamcxt = CurrentMemoryContext;
tuple->t_data = td = (HeapTupleHeader) ((char *) tuple + HEAPTUPLESIZE);
tuple->t_len = len;