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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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9
src/backend/parser/parse_coerce.c
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@ -982,9 +982,10 @@ coerce_record_to_complex(ParseState *pstate, Node *node,
Node *expr;
Node *cexpr;
Oid exprtype;
Form_pg_attribute attr = TupleDescAttr(tupdesc, i);
/* Fill in NULLs for dropped columns in rowtype */
if (tupdesc->attrs[i]->attisdropped)
if (attr->attisdropped)
{
/*
* can't use atttypid here, but it doesn't really matter what type
@ -1008,8 +1009,8 @@ coerce_record_to_complex(ParseState *pstate, Node *node,
cexpr = coerce_to_target_type(pstate,
expr, exprtype,
tupdesc->attrs[i]->atttypid,
tupdesc->attrs[i]->atttypmod,
attr->atttypid,
attr->atttypmod,
ccontext,
COERCE_IMPLICIT_CAST,
-1);
@ -1021,7 +1022,7 @@ coerce_record_to_complex(ParseState *pstate, Node *node,
format_type_be(targetTypeId)),
errdetail("Cannot cast type %s to %s in column %d.",
format_type_be(exprtype),
format_type_be(tupdesc->attrs[i]->atttypid),
format_type_be(attr->atttypid),
ucolno),
parser_coercion_errposition(pstate, location, expr)));
newargs = lappend(newargs, cexpr);