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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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12
src/backend/nodes/readfuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.118 2002/03/22 02:56:32 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.119 2002/04/11 20:00:00 tgl Exp $
*
* NOTES
* Most of the read functions for plan nodes are tested. (In fact, they
@ -1159,13 +1159,9 @@ _readAggref(void)
local_node = makeNode(Aggref);
token = pg_strtok(&length); /* eat :aggname */
token = pg_strtok(&length); /* get aggname */
local_node->aggname = debackslash(token, length);
token = pg_strtok(&length); /* eat :basetype */
token = pg_strtok(&length); /* get basetype */
local_node->basetype = atooid(token);
token = pg_strtok(&length); /* eat :aggfnoid */
token = pg_strtok(&length); /* get aggfnoid */
local_node->aggfnoid = atooid(token);
token = pg_strtok(&length); /* eat :aggtype */
token = pg_strtok(&length); /* get aggtype */