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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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5
src/backend/parser/parse_oper.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_oper.c,v 1.53 2002/03/20 19:44:31 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_oper.c,v 1.54 2002/04/11 20:00:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -265,7 +265,8 @@ oper_select_candidate(int nargs,
current_candidate != NULL;
current_candidate = current_candidate->next)
{
if (can_coerce_type(nargs, input_typeids, current_candidate->args))
if (can_coerce_type(nargs, input_typeids, current_candidate->args,
false))
{
if (last_candidate == NULL)
{