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Default values for function arguments

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Pavel Stehule, with some tweaks by Peter Eisentraut
This commit is contained in:
Peter Eisentraut
2008-12-04 17:51:28 +00:00
parent 7b640b0345
commit 455dffbb73
29 changed files with 2848 additions and 2166 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 1.154 2008/11/02 01:45:27 tgl Exp $
* $PostgreSQL: pgsql/src/backend/catalog/pg_proc.c,v 1.155 2008/12/04 17:51:26 petere Exp $
*
*-------------------------------------------------------------------------
*/
@@ -75,7 +75,8 @@ ProcedureCreate(const char *procedureName,
Datum parameterNames,
Datum proconfig,
float4 procost,
float4 prorows)
float4 prorows,
List *parameterDefaults)
{
Oid retval;
int parameterCount;
@@ -295,6 +296,7 @@ ProcedureCreate(const char *procedureName,
values[Anum_pg_proc_proretset - 1] = BoolGetDatum(returnsSet);
values[Anum_pg_proc_provolatile - 1] = CharGetDatum(volatility);
values[Anum_pg_proc_pronargs - 1] = UInt16GetDatum(parameterCount);
values[Anum_pg_proc_pronargdefaults - 1] = UInt16GetDatum(list_length(parameterDefaults));
values[Anum_pg_proc_prorettype - 1] = ObjectIdGetDatum(returnType);
values[Anum_pg_proc_proargtypes - 1] = PointerGetDatum(parameterTypes);
if (allParameterTypes != PointerGetDatum(NULL))
@@ -309,6 +311,13 @@ ProcedureCreate(const char *procedureName,
values[Anum_pg_proc_proargnames - 1] = parameterNames;
else
nulls[Anum_pg_proc_proargnames - 1] = true;
if (parameterDefaults != PointerGetDatum(NULL))
{
Assert(list_length(parameterDefaults) > 0);
values[Anum_pg_proc_proargdefaults - 1] = CStringGetTextDatum(nodeToString(parameterDefaults));
}
else
nulls[Anum_pg_proc_proargdefaults - 1] = true;
values[Anum_pg_proc_prosrc - 1] = CStringGetTextDatum(prosrc);
if (probin)
values[Anum_pg_proc_probin - 1] = CStringGetTextDatum(probin);