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Change tupledesc->attrs[n] to TupleDescAttr(tupledesc, n).

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This is a mechanical change in preparation for a later commit that
will change the layout of TupleDesc.  Introducing a macro to abstract
the details of where attributes are stored will allow us to change
that in separate step and revise it in future.

Author: Thomas Munro, editorialized by Andres Freund
Reviewed-By: Andres Freund
Discussion: https://postgr.es/m/CAEepm=0ZtQ-SpsgCyzzYpsXS6e=kZWqk3g5Ygn3MDV7A8dabUA@mail.gmail.com
This commit is contained in:
Andres Freund
2017-08-20 11:19:07 -07:00
parent b1c2d76a2f
commit 2cd7084524
100 changed files with 805 additions and 626 deletions
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8
src/backend/access/heap/heapam.c
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@ -1066,11 +1066,11 @@ fastgetattr(HeapTuple tup, int attnum, TupleDesc tupleDesc,
(*(isnull) = false),
HeapTupleNoNulls(tup) ?
(
(tupleDesc)->attrs[(attnum) - 1]->attcacheoff >= 0 ?
TupleDescAttr((tupleDesc), (attnum) - 1)->attcacheoff >= 0 ?
(
fetchatt((tupleDesc)->attrs[(attnum) - 1],
fetchatt(TupleDescAttr((tupleDesc), (attnum) - 1),
(char *) (tup)->t_data + (tup)->t_data->t_hoff +
(tupleDesc)->attrs[(attnum) - 1]->attcacheoff)
TupleDescAttr((tupleDesc), (attnum) - 1)->attcacheoff)
)
:
nocachegetattr((tup), (attnum), (tupleDesc))
@ -4422,7 +4422,7 @@ heap_tuple_attr_equals(TupleDesc tupdesc, int attrnum,
else
{
Assert(attrnum <= tupdesc->natts);
att = tupdesc->attrs[attrnum - 1];
att = TupleDescAttr(tupdesc, attrnum - 1);
return datumIsEqual(value1, value2, att->attbyval, att->attlen);
}
}