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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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14
src/backend/executor/execExprInterp.c
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@ -1553,7 +1553,7 @@ CheckVarSlotCompatibility(TupleTableSlot *slot, int attnum, Oid vartype)
elog(ERROR, "attribute number %d exceeds number of columns %d",
attnum, slot_tupdesc->natts);
attr = slot_tupdesc->attrs[attnum - 1];
attr = TupleDescAttr(slot_tupdesc, attnum - 1);
if (attr->attisdropped)
ereport(ERROR,
@ -2081,7 +2081,7 @@ ExecEvalRowNullInt(ExprState *state, ExprEvalStep *op,
for (att = 1; att <= tupDesc->natts; att++)
{
/* ignore dropped columns */
if (tupDesc->attrs[att - 1]->attisdropped)
if (TupleDescAttr(tupDesc, att - 1)->attisdropped)
continue;
if (heap_attisnull(&tmptup, att))
{
@ -2494,7 +2494,7 @@ ExecEvalFieldSelect(ExprState *state, ExprEvalStep *op, ExprContext *econtext)
if (fieldnum > tupDesc->natts) /* should never happen */
elog(ERROR, "attribute number %d exceeds number of columns %d",
fieldnum, tupDesc->natts);
attr = tupDesc->attrs[fieldnum - 1];
attr = TupleDescAttr(tupDesc, fieldnum - 1);
/* Check for dropped column, and force a NULL result if so */
if (attr->attisdropped)
@ -3441,8 +3441,8 @@ ExecEvalWholeRowVar(ExprState *state, ExprEvalStep *op, ExprContext *econtext)
for (i = 0; i < var_tupdesc->natts; i++)
{
Form_pg_attribute vattr = var_tupdesc->attrs[i];
Form_pg_attribute sattr = slot_tupdesc->attrs[i];
Form_pg_attribute vattr = TupleDescAttr(var_tupdesc, i);
Form_pg_attribute sattr = TupleDescAttr(slot_tupdesc, i);
if (vattr->atttypid == sattr->atttypid)
continue; /* no worries */
@ -3540,8 +3540,8 @@ ExecEvalWholeRowVar(ExprState *state, ExprEvalStep *op, ExprContext *econtext)
for (i = 0; i < var_tupdesc->natts; i++)
{
Form_pg_attribute vattr = var_tupdesc->attrs[i];
Form_pg_attribute sattr = tupleDesc->attrs[i];
Form_pg_attribute vattr = TupleDescAttr(var_tupdesc, i);
Form_pg_attribute sattr = TupleDescAttr(tupleDesc, i);
if (!vattr->attisdropped)
continue; /* already checked non-dropped cols */