Function GetStorageServerExtended

src/backend/commands/storagecmds.c:69–107

* GetStorageServerExtended - look up the storage server definition. If * flags uses FSV_MISSING_OK, return NULL if the object cannot be found * instead of raising an error. */

 * instead of raising an error.
 */
StorageServer *
GetStorageServerExtended(Oid serverid, bits16 flags)
{
	Form_gp_storage_server serverform;
	StorageServer *server;
	HeapTuple	tp;
	Datum		datum;
	bool		isnull;

	tp = SearchSysCache1(STORAGESERVEROID, ObjectIdGetDatum(serverid));

	if (!HeapTupleIsValid(tp))
	{
		if ((flags & SSV_MISSING_OK) == 0)
			elog(ERROR, "cache lookup failed for storage server %u", serverid);
		return NULL;
	}

	serverform = (Form_gp_storage_server) GETSTRUCT(tp);

	server = (StorageServer *) palloc(sizeof(StorageServer));
	server->serverid = serverid;
	server->servername = pstrdup(NameStr(serverform->srvname));
	server->owner = serverform->srvowner;

	/* Extract the srvoptions */
	datum = SysCacheGetAttr(STORAGESERVEROID,
							tp,
							Anum_gp_storage_server_srvoptions,
							&isnull);
	if (isnull)
		server->options = NIL;
	else
		server->options = untransformRelOptions(datum);

	ReleaseSysCache(tp);

	return server;
}

/*
 * GetStorageServer - look up the storage server definition.