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Implement function-local GUC parameter settings, as per recent discussion.

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There are still some loose ends: I didn't do anything about the SET FROM
CURRENT idea yet, and it's not real clear whether we are happy with the
interaction of SET LOCAL with function-local settings.  The documentation
is a bit spartan, too.
This commit is contained in:
Tom Lane
2007-09-03 00:39:26 +00:00
parent fcfe801ab8
commit 2abae34a2e
23 changed files with 2583 additions and 2151 deletions
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13
src/backend/catalog/pg_proc.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/catalog/pg_proc.c,v 1.145 2007/06/06 23:00:37 tgl Exp $
* $PostgreSQL: pgsql/src/backend/catalog/pg_proc.c,v 1.146 2007/09/03 00:39:14 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -49,9 +49,9 @@ static bool match_prosrc_to_literal(const char *prosrc, const char *literal,
/* ----------------------------------------------------------------
* ProcedureCreate
*
* Note: allParameterTypes, parameterModes, parameterNames are either arrays
* of the proper types or NULL. We declare them Datum, not "ArrayType *",
* to avoid importing array.h into pg_proc.h.
* Note: allParameterTypes, parameterModes, parameterNames, and proconfig
* are either arrays of the proper types or NULL. We declare them Datum,
* not "ArrayType *", to avoid importing array.h into pg_proc.h.
* ----------------------------------------------------------------
*/
Oid
@@ -72,6 +72,7 @@ ProcedureCreate(const char *procedureName,
Datum allParameterTypes,
Datum parameterModes,
Datum parameterNames,
Datum proconfig,
float4 procost,
float4 prorows)
{
@@ -251,6 +252,10 @@ ProcedureCreate(const char *procedureName,
CStringGetDatum(prosrc));
values[Anum_pg_proc_probin - 1] = DirectFunctionCall1(textin,
CStringGetDatum(probin));
if (proconfig != PointerGetDatum(NULL))
values[Anum_pg_proc_proconfig - 1] = proconfig;
else
nulls[Anum_pg_proc_proconfig - 1] = 'n';
/* start out with empty permissions */
nulls[Anum_pg_proc_proacl - 1] = 'n';