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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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15
src/backend/utils/adt/varchar.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.88 2002/03/09 17:35:36 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.89 2002/04/11 20:00:05 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -307,19 +307,6 @@ _bpchar(PG_FUNCTION_ARGS)
}
/* bpchar_char()
* Convert bpchar(1) to char.
*
* If input is multiple chars, only the first is returned.
*/
Datum
bpchar_char(PG_FUNCTION_ARGS)
{
BpChar *s = PG_GETARG_BPCHAR_P(0);
PG_RETURN_CHAR(*VARDATA(s));
}
/* char_bpchar()
* Convert char to bpchar(1).
*/