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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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6
src/backend/executor/nodeAgg.c
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@ -724,12 +724,16 @@ initialize_aggregate(AggState *aggstate, AggStatePerTrans pertrans,
* process_ordered_aggregate_single.)
*/
if (pertrans->numInputs == 1)
{
Form_pg_attribute attr = TupleDescAttr(pertrans->sortdesc, 0);
pertrans->sortstates[aggstate->current_set] =
tuplesort_begin_datum(pertrans->sortdesc->attrs[0]->atttypid,
tuplesort_begin_datum(attr->atttypid,
pertrans->sortOperators[0],
pertrans->sortCollations[0],
pertrans->sortNullsFirst[0],
work_mem, false);
}
else
pertrans->sortstates[aggstate->current_set] =
tuplesort_begin_heap(pertrans->sortdesc,