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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/include/parser/parse_target.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: parse_target.h,v 1.23 2001/11/05 17:46:35 momjian Exp $
* $Id: parse_target.h,v 1.24 2002/04/11 20:00:16 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -24,7 +24,8 @@ extern void updateTargetListEntry(ParseState *pstate, TargetEntry *tle,
char *colname, int attrno,
List *indirection);
extern Node *CoerceTargetExpr(ParseState *pstate, Node *expr,
Oid type_id, Oid attrtype, int32 attrtypmod);
Oid type_id, Oid attrtype, int32 attrtypmod,
bool isExplicit);
extern List *checkInsertTargets(ParseState *pstate, List *cols,
List **attrnos);