C++ (Cpp) g_cube_internal_consistentの例

コード例 #1

ファイル: cube.c プロジェクト: DBInsight/postgres-x2

/*
** The GiST Consistent method for boxes
** Should return false if for all data items x below entry,
** the predicate x op query == FALSE, where op is the oper
** corresponding to strategy in the pg_amop table.
*/
Datum
g_cube_consistent(PG_FUNCTION_ARGS)
{
	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
	NDBOX	   *query = PG_GETARG_NDBOX(1);
	StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);

	/* Oid		subtype = PG_GETARG_OID(3); */
	bool	   *recheck = (bool *) PG_GETARG_POINTER(4);
	bool		res;

	/* All cases served by this function are exact */
	*recheck = false;

	/*
	 * if entry is not leaf, use g_cube_internal_consistent, else use
	 * g_cube_leaf_consistent
	 */
	if (GIST_LEAF(entry))
		res = g_cube_leaf_consistent(DatumGetNDBOX(entry->key),
									 query, strategy);
	else
		res = g_cube_internal_consistent(DatumGetNDBOX(entry->key),
										 query, strategy);

	PG_FREE_IF_COPY(query, 1);
	PG_RETURN_BOOL(res);
}

コード例 #2

ファイル: cube.c プロジェクト: asurinsaka/postgresql-8.2.19-lru

/*
** The GiST Consistent method for boxes
** Should return false if for all data items x below entry,
** the predicate x op query == FALSE, where op is the oper
** corresponding to strategy in the pg_amop table.
*/
Datum
g_cube_consistent(PG_FUNCTION_ARGS)
{
	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
	NDBOX	   *query = PG_GETARG_NDBOX(1);
	StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
	bool 		res;

	/*
	 * if entry is not leaf, use g_cube_internal_consistent, else use
	 * g_cube_leaf_consistent
	 */
	if (GIST_LEAF(entry))
		res = g_cube_leaf_consistent( DatumGetNDBOX(entry->key),
									  query, strategy);
	else
		res = g_cube_internal_consistent( DatumGetNDBOX(entry->key),
										  query, strategy);

	PG_FREE_IF_COPY(query,1);
	PG_RETURN_BOOL(res);
}