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Merge Resdom nodes into TargetEntry nodes to simplify code and save a

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few palloc's.  I also chose to eliminate the restype and restypmod fields
entirely, since they are redundant with information stored in the node's
contained expression; re-examining the expression at need seems simpler
and more reliable than trying to keep restype/restypmod up to date.

initdb forced due to change in contents of stored rules.
This commit is contained in:
Tom Lane
2005-04-06 16:34:07 +00:00
parent 0f3748a28c
commit ad161bcc8a
43 changed files with 537 additions and 799 deletions
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19
src/backend/optimizer/util/plancat.c
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@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/util/plancat.c,v 1.103 2005/03/29 00:17:02 tgl Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/util/plancat.c,v 1.104 2005/04/06 16:34:06 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -378,6 +378,7 @@ build_physical_tlist(Query *root, RelOptInfo *rel)
for (attrno = 1; attrno <= numattrs; attrno++)
{
Form_pg_attribute att_tup = relation->rd_att->attrs[attrno - 1];
Var *var;
if (att_tup->attisdropped)
{
@@ -386,13 +387,17 @@ build_physical_tlist(Query *root, RelOptInfo *rel)
break;
}
var = makeVar(varno,
attrno,
att_tup->atttypid,
att_tup->atttypmod,
0);
tlist = lappend(tlist,
create_tl_element(makeVar(varno,
attrno,
att_tup->atttypid,
att_tup->atttypmod,
0),
attrno));
makeTargetEntry((Expr *) var,
attrno,
NULL,
false));
}
heap_close(relation, AccessShareLock);