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Change tupledesc->attrs[n] to TupleDescAttr(tupledesc, n).
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
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@ -1759,7 +1759,7 @@ check_sql_fn_retval(Oid func_id, Oid rettype, List *queryTreeList,
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errmsg("return type mismatch in function declared to return %s",
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format_type_be(rettype)),
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errdetail("Final statement returns too many columns.")));
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attr = tupdesc->attrs[colindex - 1];
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attr = TupleDescAttr(tupdesc, colindex - 1);
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if (attr->attisdropped && modifyTargetList)
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{
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Expr *null_expr;
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@ -1816,7 +1816,7 @@ check_sql_fn_retval(Oid func_id, Oid rettype, List *queryTreeList,
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/* remaining columns in tupdesc had better all be dropped */
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for (colindex++; colindex <= tupnatts; colindex++)
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{
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if (!tupdesc->attrs[colindex - 1]->attisdropped)
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if (!TupleDescAttr(tupdesc, colindex - 1)->attisdropped)
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
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errmsg("return type mismatch in function declared to return %s",
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