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Replace TupleTableSlot convention for whole-row variables and function

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results with tuples as ordinary varlena Datums.  This commit does not
in itself do much for us, except eliminate the horrid memory leak
associated with evaluation of whole-row variables.  However, it lays the
groundwork for allowing composite types as table columns, and perhaps
some other useful features as well.  Per my proposal of a few days ago.
This commit is contained in:
Tom Lane
2004-04-01 21:28:47 +00:00
parent 8590a62b75
commit 375369acd1
60 changed files with 1779 additions and 1733 deletions
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13
src/backend/rewrite/rewriteHandler.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/rewrite/rewriteHandler.c,v 1.133 2004/01/14 23:01:55 tgl Exp $
* $PostgreSQL: pgsql/src/backend/rewrite/rewriteHandler.c,v 1.134 2004/04/01 21:28:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -523,16 +523,7 @@ build_column_default(Relation rel, int attrno)
* No per-column default, so look for a default for the type
* itself.
*/
if (att_tup->attisset)
{
/*
* Set attributes are represented as OIDs no matter what the
* set element type is, and the element type's default is
* irrelevant too.
*/
}
else
expr = get_typdefault(atttype);
expr = get_typdefault(atttype);
}
if (expr == NULL)