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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/optimizer/util/var.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/var.c,v 1.34 2002/03/12 00:51:51 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/var.c,v 1.35 2002/04/11 20:00:00 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -485,7 +485,7 @@ flatten_join_alias_var(Var *var, Query *root, int expandRTI)
if (subtype != vartype)
{
l_var = coerce_type(NULL, l_var, subtype,
vartype, vartypmod);
vartype, vartypmod, false);
l_var = coerce_type_typmod(NULL, l_var,
vartype, vartypmod);
}
@@ -504,7 +504,7 @@ flatten_join_alias_var(Var *var, Query *root, int expandRTI)
if (subtype != vartype)
{
r_var = coerce_type(NULL, r_var, subtype,
vartype, vartypmod);
vartype, vartypmod, false);
r_var = coerce_type_typmod(NULL, r_var,
vartype, vartypmod);
}