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Restructure representation of aggregate functions so that they have pg_proc

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entries, per pghackers discussion.  This fixes aggregates to live in
namespaces, and also simplifies/speeds up lookup in parse_func.c.
Also, add a 'proimplicit' flag to pg_proc that controls whether a type
coercion function may be invoked implicitly, or only explicitly.  The
current settings of these flags are more permissive than I would like,
but we will need to debate and refine the behavior; for now, I avoided
breaking regression tests as much as I could.
This commit is contained in:
Tom Lane
2002-04-11 20:00:18 +00:00
parent 3f6299df6c
commit 902a6a0a4b
63 changed files with 2530 additions and 2440 deletions
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6
src/backend/nodes/equalfuncs.c
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@@ -20,7 +20,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.124 2002/04/09 20:35:50 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.125 2002/04/11 19:59:59 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -220,9 +220,7 @@ _equalFunc(Func *a, Func *b)
static bool
_equalAggref(Aggref *a, Aggref *b)
{
if (strcmp(a->aggname, b->aggname) != 0)
return false;
if (a->basetype != b->basetype)
if (a->aggfnoid != b->aggfnoid)
return false;
if (a->aggtype != b->aggtype)
return false;