mirror of https://github.com/postgres/postgres
Minor cleanup of tableOid-related coding.
This commit is contained in:
Tom Lane
parent
b0d243e420
commit
21e1e6643c
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@ -9,7 +9,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.65 2000/07/04 02:40:56 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/access/common/heaptuple.c,v 1.66 2000/11/14 21:04:32 tgl Exp $
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*
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* NOTES
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* The old interface functions have been converted to macros
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@ -275,38 +275,6 @@ heap_sysattrbyval(AttrNumber attno)
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return byval;
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}
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#ifdef NOT_USED
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/* ----------------
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* heap_getsysattr
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* ----------------
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*/
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Datum
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heap_getsysattr(HeapTuple tup, Buffer b, int attnum)
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{
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switch (attnum)
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{
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case TableOidAttributeNumber:
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return (Datum) &tup->t_tableoid;
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case SelfItemPointerAttributeNumber:
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return (Datum) &tup->t_ctid;
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case ObjectIdAttributeNumber:
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return (Datum) (long) tup->t_oid;
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case MinTransactionIdAttributeNumber:
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return (Datum) (long) tup->t_xmin;
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case MinCommandIdAttributeNumber:
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return (Datum) (long) tup->t_cmin;
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case MaxTransactionIdAttributeNumber:
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return (Datum) (long) tup->t_xmax;
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case MaxCommandIdAttributeNumber:
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return (Datum) (long) tup->t_cmax;
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default:
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elog(ERROR, "heap_getsysattr: undefined attnum %d", attnum);
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}
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return (Datum) NULL;
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}
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#endif
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/* ----------------
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* nocachegetattr
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*
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@ -563,6 +531,9 @@ nocachegetattr(HeapTuple tuple,
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* heap_copytuple
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*
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* returns a copy of an entire tuple
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*
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* The HeapTuple struct, tuple header, and tuple data are all allocated
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* as a single palloc() block.
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* ----------------
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*/
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HeapTuple
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@ -576,17 +547,17 @@ heap_copytuple(HeapTuple tuple)
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newTuple = (HeapTuple) palloc(HEAPTUPLESIZE + tuple->t_len);
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newTuple->t_len = tuple->t_len;
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newTuple->t_self = tuple->t_self;
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newTuple->t_tableOid = tuple->t_tableOid;
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newTuple->t_datamcxt = CurrentMemoryContext;
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newTuple->t_data = (HeapTupleHeader) ((char *) newTuple + HEAPTUPLESIZE);
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memmove((char *) newTuple->t_data,
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(char *) tuple->t_data, tuple->t_len);
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memcpy((char *) newTuple->t_data, (char *) tuple->t_data, tuple->t_len);
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return newTuple;
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}
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/* ----------------
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* heap_copytuple_with_tuple
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*
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* returns a copy of an tuple->t_data
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* copy a tuple into a caller-supplied HeapTuple management struct
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* ----------------
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*/
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void
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@ -600,11 +571,10 @@ heap_copytuple_with_tuple(HeapTuple src, HeapTuple dest)
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dest->t_len = src->t_len;
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dest->t_self = src->t_self;
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dest->t_tableOid = src->t_tableOid;
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dest->t_datamcxt = CurrentMemoryContext;
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dest->t_data = (HeapTupleHeader) palloc(src->t_len);
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memmove((char *) dest->t_data,
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(char *) src->t_data, src->t_len);
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return;
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memcpy((char *) dest->t_data, (char *) src->t_data, src->t_len);
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}
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#ifdef NOT_USED
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@ -705,6 +675,7 @@ heap_formtuple(TupleDesc tupleDescriptor,
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tuple->t_len = len;
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ItemPointerSetInvalid(&(tuple->t_self));
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tuple->t_tableOid = InvalidOid;
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td->t_natts = numberOfAttributes;
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td->t_hoff = hoff;
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@ -805,6 +776,7 @@ heap_modifytuple(HeapTuple tuple,
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newTuple->t_data->t_infomask = infomask;
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newTuple->t_data->t_natts = numberOfAttributes;
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newTuple->t_self = tuple->t_self;
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newTuple->t_tableOid = tuple->t_tableOid;
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return newTuple;
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}
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@ -851,17 +823,19 @@ heap_addheader(uint32 natts, /* max domain index */
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tuple->t_datamcxt = CurrentMemoryContext;
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td = tuple->t_data = (HeapTupleHeader) ((char *) tuple + HEAPTUPLESIZE);
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MemSet((char *) td, 0, len);
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tuple->t_len = len;
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ItemPointerSetInvalid(&(tuple->t_self));
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tuple->t_tableOid = InvalidOid;
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MemSet((char *) td, 0, len);
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td->t_hoff = hoff;
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td->t_natts = natts;
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td->t_infomask = 0;
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td->t_infomask |= HEAP_XMAX_INVALID;
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if (structlen > 0)
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memmove((char *) td + hoff, structure, (size_t) structlen);
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memcpy((char *) td + hoff, structure, (size_t) structlen);
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return tuple;
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}
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/access/heap/heapam.c,v 1.93 2000/11/08 22:09:54 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/access/heap/heapam.c,v 1.94 2000/11/14 21:04:31 tgl Exp $
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*
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*
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* INTERFACE ROUTINES
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@ -255,9 +255,7 @@ heapgettup(Relation relation,
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OffsetNumber lineoff;
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int linesleft;
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ItemPointer tid = (tuple->t_data == NULL) ?
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(ItemPointer) NULL : &(tuple->t_self);
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tuple->tableOid = relation->rd_id;
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(ItemPointer) NULL : &(tuple->t_self);
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/* ----------------
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* increment access statistics
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@ -294,6 +292,8 @@ heapgettup(Relation relation,
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if (!ItemPointerIsValid(tid))
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Assert(!PointerIsValid(tid));
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tuple->t_tableOid = relation->rd_id;
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/* ----------------
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* return null immediately if relation is empty
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@ -1145,7 +1145,6 @@ heap_fetch(Relation relation,
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ItemPointer tid = &(tuple->t_self);
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OffsetNumber offnum;
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tuple->tableOid = relation->rd_id;
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/* ----------------
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* increment access statistics
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* ----------------
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@ -1193,6 +1192,7 @@ heap_fetch(Relation relation,
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tuple->t_datamcxt = NULL;
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tuple->t_data = (HeapTupleHeader) PageGetItem((Page) dp, lp);
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tuple->t_len = ItemIdGetLength(lp);
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tuple->t_tableOid = relation->rd_id;
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/* ----------------
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* check time qualification of tid
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@ -1241,7 +1241,6 @@ heap_get_latest_tid(Relation relation,
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bool invalidBlock,
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linkend;
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tp.tableOid = relation->rd_id;
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/* ----------------
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* get the buffer from the relation descriptor
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* Note that this does a buffer pin.
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@ -1333,7 +1332,6 @@ heap_insert(Relation relation, HeapTuple tup)
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Buffer buffer;
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/* increment access statistics */
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tup->tableOid = relation->rd_id;
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IncrHeapAccessStat(local_insert);
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IncrHeapAccessStat(global_insert);
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@ -1357,6 +1355,7 @@ heap_insert(Relation relation, HeapTuple tup)
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StoreInvalidTransactionId(&(tup->t_data->t_xmax));
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tup->t_data->t_infomask &= ~(HEAP_XACT_MASK);
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tup->t_data->t_infomask |= HEAP_XMAX_INVALID;
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tup->t_tableOid = relation->rd_id;
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#ifdef TUPLE_TOASTER_ACTIVE
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/* ----------
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@ -1420,7 +1419,6 @@ heap_delete(Relation relation, ItemPointer tid, ItemPointer ctid)
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Buffer buffer;
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int result;
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tp.tableOid = relation->rd_id;
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/* increment access statistics */
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IncrHeapAccessStat(local_delete);
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IncrHeapAccessStat(global_delete);
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@ -1440,6 +1438,7 @@ heap_delete(Relation relation, ItemPointer tid, ItemPointer ctid)
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tp.t_data = (HeapTupleHeader) PageGetItem((Page) dp, lp);
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tp.t_len = ItemIdGetLength(lp);
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tp.t_self = *tid;
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tp.t_tableOid = relation->rd_id;
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l1:
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result = HeapTupleSatisfiesUpdate(&tp);
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@ -1546,7 +1545,6 @@ heap_update(Relation relation, ItemPointer otid, HeapTuple newtup,
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Buffer buffer, newbuf;
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int result;
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newtup->tableOid = relation->rd_id;
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/* increment access statistics */
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IncrHeapAccessStat(local_replace);
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IncrHeapAccessStat(global_replace);
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@ -1733,7 +1731,6 @@ heap_mark4update(Relation relation, HeapTuple tuple, Buffer *buffer)
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PageHeader dp;
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int result;
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tuple->tableOid = relation->rd_id;
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/* increment access statistics */
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IncrHeapAccessStat(local_mark4update);
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IncrHeapAccessStat(global_mark4update);
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: heapam.h,v 1.56 2000/08/03 19:19:38 tgl Exp $
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* $Id: heapam.h,v 1.57 2000/11/14 21:04:32 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -191,7 +191,7 @@ fastgetattr(HeapTuple tup, int attnum, TupleDesc tupleDesc,
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: \
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(((attnum) == TableOidAttributeNumber) ? \
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( \
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(Datum)((tup)->tableOid) \
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(Datum)((tup)->t_tableOid) \
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) \
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: \
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( \
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: htup.h,v 1.38 2000/11/14 20:47:34 tgl Exp $
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* $Id: htup.h,v 1.39 2000/11/14 21:04:32 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -188,7 +188,7 @@ typedef struct HeapTupleData
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{
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uint32 t_len; /* length of *t_data */
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ItemPointerData t_self; /* SelfItemPointer */
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Oid tableOid; /* table the tuple came from */
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Oid t_tableOid; /* table the tuple came from */
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MemoryContext t_datamcxt; /* mcxt in which allocated */
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HeapTupleHeader t_data; /* -> tuple header and data */
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} HeapTupleData;
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