75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/* Copyright (c) 2020, 2024, Oracle and/or its affiliates.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License, version 2.0,
|
|
as published by the Free Software Foundation.
|
|
|
|
This program is designed to work with certain software (including
|
|
but not limited to OpenSSL) that is licensed under separate terms,
|
|
as designated in a particular file or component or in included license
|
|
documentation. The authors of MySQL hereby grant you an additional
|
|
permission to link the program and your derivative works with the
|
|
separately licensed software that they have either included with
|
|
the program or referenced in the documentation.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License, version 2.0, for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
|
|
|
|
#ifndef SQL_PARSE_TREE_WINDOW_INCLUDED
|
|
#define SQL_PARSE_TREE_WINDOW_INCLUDED
|
|
|
|
#include "sql/parse_tree_node_base.h"
|
|
#include "sql/sql_list.h"
|
|
#include "sql/window.h"
|
|
|
|
class Item_string;
|
|
class PT_frame;
|
|
class PT_order_list;
|
|
|
|
/**
|
|
Parse tree node for a window; just a shallow wrapper for
|
|
class Window, q.v.
|
|
*/
|
|
class PT_window : public Parse_tree_node, public Window {
|
|
typedef Parse_tree_node super;
|
|
|
|
public:
|
|
PT_window(const POS &pos, PT_order_list *partition_by,
|
|
PT_order_list *order_by, PT_frame *frame)
|
|
: super(pos), Window(partition_by, order_by, frame) {}
|
|
|
|
PT_window(const POS &pos, PT_order_list *partition_by,
|
|
PT_order_list *order_by, PT_frame *frame, Item_string *inherit)
|
|
: super(pos), Window(partition_by, order_by, frame, inherit) {}
|
|
|
|
PT_window(const POS &pos, Item_string *name) : super(pos), Window(name) {}
|
|
|
|
bool do_contextualize(Parse_context *pc) override;
|
|
|
|
protected:
|
|
void add_json_info(Json_object *obj) override;
|
|
};
|
|
|
|
/**
|
|
Parse tree node for a list of window definitions corresponding
|
|
to a \<window clause\> in SQL 2003.
|
|
*/
|
|
class PT_window_list : public Parse_tree_node {
|
|
typedef Parse_tree_node super;
|
|
List<Window> m_windows;
|
|
|
|
public:
|
|
explicit PT_window_list(const POS &pos) : super(pos) {}
|
|
|
|
bool do_contextualize(Parse_context *pc) override;
|
|
|
|
bool push_back(PT_window *w) { return m_windows.push_back(w); }
|
|
};
|
|
|
|
#endif // SQL_PARSE_TREE_WINDOW_INCLUDED
|