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-rw-r--r--src/backend/catalog/objectaddress.c137
-rw-r--r--src/backend/commands/event_trigger.c1
2 files changed, 130 insertions, 8 deletions
diff --git a/src/backend/catalog/objectaddress.c b/src/backend/catalog/objectaddress.c
index 67c14020e5c..142bc689e95 100644
--- a/src/backend/catalog/objectaddress.c
+++ b/src/backend/catalog/objectaddress.c
@@ -522,7 +522,7 @@ ObjectTypeMap[] =
/* OCLASS_USER_MAPPING */
{ "user mapping", OBJECT_USER_MAPPING },
/* OCLASS_DEFACL */
- { "default acl", -1 }, /* unmapped */
+ { "default acl", OBJECT_DEFACL },
/* OCLASS_EXTENSION */
{ "extension", OBJECT_EXTENSION },
/* OCLASS_EVENT_TRIGGER */
@@ -557,6 +557,8 @@ static ObjectAddress get_object_address_opcf(ObjectType objtype, List *objname,
List *objargs, bool missing_ok);
static ObjectAddress get_object_address_usermapping(List *objname,
List *objargs, bool missing_ok);
+static ObjectAddress get_object_address_defacl(List *objname, List *objargs,
+ bool missing_ok);
static const ObjectPropertyType *get_object_property_data(Oid class_id);
static void getRelationDescription(StringInfo buffer, Oid relid);
@@ -775,6 +777,10 @@ get_object_address(ObjectType objtype, List *objname, List *objargs,
address = get_object_address_usermapping(objname, objargs,
missing_ok);
break;
+ case OBJECT_DEFACL:
+ address = get_object_address_defacl(objname, objargs,
+ missing_ok);
+ break;
default:
elog(ERROR, "unrecognized objtype: %d", (int) objtype);
/* placate compiler, in case it thinks elog might return */
@@ -1448,6 +1454,113 @@ get_object_address_usermapping(List *objname, List *objargs, bool missing_ok)
}
/*
+ * Find the ObjectAddress for a default ACL.
+ */
+static ObjectAddress
+get_object_address_defacl(List *objname, List *objargs, bool missing_ok)
+{
+ HeapTuple tp;
+ Oid userid;
+ Oid schemaid;
+ char *username;
+ char *schema;
+ char objtype;
+ char *objtype_str;
+ ObjectAddress address;
+
+ ObjectAddressSet(address, DefaultAclRelationId, InvalidOid);
+
+ /*
+ * First figure out the textual attributes so that they can be used for
+ * error reporting.
+ */
+ username = strVal(linitial(objname));
+ if (list_length(objname) >= 2)
+ schema = (char *) strVal(lsecond(objname));
+ else
+ schema = NULL;
+
+ /*
+ * Decode defaclobjtype. Only first char is considered; the rest of the
+ * string, if any, is blissfully ignored.
+ */
+ objtype = ((char *) strVal(linitial(objargs)))[0];
+ switch (objtype)
+ {
+ case DEFACLOBJ_RELATION:
+ objtype_str = "tables";
+ break;
+ case DEFACLOBJ_SEQUENCE:
+ objtype_str = "sequences";
+ break;
+ case DEFACLOBJ_FUNCTION:
+ objtype_str = "functions";
+ break;
+ case DEFACLOBJ_TYPE:
+ objtype_str = "types";
+ break;
+ default:
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("unrecognized default ACL object type %c", objtype),
+ errhint("Valid object types are 'r', 'S', 'f', and 'T'.")));
+ }
+
+ /*
+ * Look up user ID. Behave as "default ACL not found" if the user doesn't
+ * exist.
+ */
+ tp = SearchSysCache1(AUTHNAME,
+ CStringGetDatum(username));
+ if (!HeapTupleIsValid(tp))
+ goto not_found;
+ userid = HeapTupleGetOid(tp);
+ ReleaseSysCache(tp);
+
+ /*
+ * If a schema name was given, look up its OID. If it doesn't exist,
+ * behave as "default ACL not found".
+ */
+ if (schema)
+ {
+ schemaid = get_namespace_oid(schema, true);
+ if (schemaid == InvalidOid)
+ goto not_found;
+ }
+ else
+ schemaid = InvalidOid;
+
+ /* Finally, look up the pg_default_acl object */
+ tp = SearchSysCache3(DEFACLROLENSPOBJ,
+ ObjectIdGetDatum(userid),
+ ObjectIdGetDatum(schemaid),
+ CharGetDatum(objtype));
+ if (!HeapTupleIsValid(tp))
+ goto not_found;
+
+ address.objectId = HeapTupleGetOid(tp);
+ ReleaseSysCache(tp);
+
+ return address;
+
+not_found:
+ if (!missing_ok)
+ {
+ if (schema)
+ ereport(ERROR,
+ (errcode(ERRCODE_UNDEFINED_OBJECT),
+ errmsg("default ACL for user \"%s\" in schema \"%s\" on %s does not exist",
+ username, schema, objtype_str)));
+ else
+ ereport(ERROR,
+ (errcode(ERRCODE_UNDEFINED_OBJECT),
+ errmsg("default ACL for user \"%s\" on %s does not exist",
+ username, objtype_str)));
+ }
+ return address;
+}
+
+/*
* Convert an array of TEXT into a List of string Values, as emitted by the
* parser, which is what get_object_address uses as input.
*/
@@ -1599,6 +1712,7 @@ pg_get_object_address(PG_FUNCTION_ARGS)
case OBJECT_OPFAMILY:
case OBJECT_CAST:
case OBJECT_USER_MAPPING:
+ case OBJECT_DEFACL:
if (list_length(args) != 1)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
@@ -4024,10 +4138,8 @@ getObjectIdentityParts(const ObjectAddress *object,
SysScanDesc rcscan;
HeapTuple tup;
Form_pg_default_acl defacl;
-
- /* no objname support */
- if (objname)
- *objname = NIL;
+ char *schema;
+ char *username;
defaclrel = heap_open(DefaultAclRelationId, AccessShareLock);
@@ -4047,19 +4159,20 @@ getObjectIdentityParts(const ObjectAddress *object,
defacl = (Form_pg_default_acl) GETSTRUCT(tup);
+ username = GetUserNameFromId(defacl->defaclrole);
appendStringInfo(&buffer,
"for role %s",
- quote_identifier(GetUserNameFromId(defacl->defaclrole)));
+ quote_identifier(username));
if (OidIsValid(defacl->defaclnamespace))
{
- char *schema;
-
schema = get_namespace_name(defacl->defaclnamespace);
appendStringInfo(&buffer,
" in schema %s",
quote_identifier(schema));
}
+ else
+ schema = NULL;
switch (defacl->defaclobjtype)
{
@@ -4081,6 +4194,14 @@ getObjectIdentityParts(const ObjectAddress *object,
break;
}
+ if (objname)
+ {
+ *objname = list_make1(username);
+ if (schema)
+ *objname = lappend(*objname, schema);
+ *objargs = list_make1(psprintf("%c", defacl->defaclobjtype));
+ }
+
systable_endscan(rcscan);
heap_close(defaclrel, AccessShareLock);
break;
diff --git a/src/backend/commands/event_trigger.c b/src/backend/commands/event_trigger.c
index 4e446bd25cd..3fec57ea237 100644
--- a/src/backend/commands/event_trigger.c
+++ b/src/backend/commands/event_trigger.c
@@ -1065,6 +1065,7 @@ EventTriggerSupportsObjectType(ObjectType obtype)
case OBJECT_COLUMN:
case OBJECT_COLLATION:
case OBJECT_CONVERSION:
+ case OBJECT_DEFACL:
case OBJECT_DEFAULT:
case OBJECT_DOMAIN:
case OBJECT_DOMCONSTRAINT:
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-15 02:33:14 +0000