Release v2.4.0-2

LICENSE

@@ -1,23 +1,3 @@
-Copyright (C) 2021-2022 Toshiba Corporation
-
-Permission to use, copy, modify, and distribute this software and its documentation
-for any purpose, without fee, and without a written agreement is hereby granted,
-provided that the above copyright notice and this paragraph and the following two
-paragraphs appear in all copies.
-
-IN NO EVENT SHALL TOSHIBA CORPORATION BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
-SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF
-THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF TOSHIBA CORPORATION 
-HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-TOSHIBA CORPORATION SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS,
-AND THE TOSHIBA CORPORATION HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
-UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
-
-This software is based on "oracle_fdw" by Magistrat der Stadt Wien licensed under the below:
-
 Portions Copyright (c) 2017-2021, Cybertec Schönig & Schönig GmbH
 Portions Copyright (c) 2011-2017, Magistrat der Stadt Wien
 

README.oracle_fdw

@@ -684,6 +684,17 @@ of PostgreSQL, but have different specificaiton in use.
 | oracle_localtimestamps   | localtimestamp                   |
 | oracle_extract           | extract                          |
 
+Oracle FDW does not support push down aggregate function group_id.
+
+Other features support
+-----------------------------
+- Support push-down LIMIT..OFFSET (by deparsing into FETCH FIRST N ROWS ONLY).
+- Support push-down FOR UPDATE (except with JOIN clause).
+- Support pushdown GROUP BY (var/expression)
+- Support pushdown GROUP BY + HAVING
+- Support pushdown ORDER BY (var/expression)
+- Support pushdown aggregates in subquery
+
 5 Installation Requirements
 ===========================