85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/* Copyright (c) 2018, 2021, Alibaba and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL/PolarDB-X Engine hereby grant you an
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additional permission to link the program and your derivative works with the
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separately licensed software that they have included with
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MySQL/PolarDB-X Engine.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef SQL_PACKAGE_PACKAGE_PARSE_INCLUDED
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#define SQL_PACKAGE_PACKAGE_PARSE_INCLUDED
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#include "sql/parse_tree_nodes.h"
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namespace im {
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class Proc;
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} /* namespace im */
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/**
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Interface of all native package element parser tree.
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PT_package_base is the uniform interface of all different types of
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package element for parser.
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1) Proc
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PT_package_proc is the uniform parser interface for all native proc objects.
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Proc will PT_revoke() the PT_package_proc instance.
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2) ...
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*/
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namespace im {
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/**
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Base parser root inteface for all package element.
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*/
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class PT_package_base : public Parse_tree_root {
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public:
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PT_package_base() {}
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virtual ~PT_package_base() {}
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/**
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Interface of make sql command
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*/
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virtual Sql_cmd *make_cmd(THD *thd) = 0;
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};
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/**
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Implementation of proc parser tree root.
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*/
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class PT_package_proc final : public PT_package_base {
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public:
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explicit PT_package_proc(PT_item_list *opt_expr_list, const Proc *proc)
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: m_opt_expr_list(opt_expr_list), m_proc(proc) {}
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/**
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Generate the proc execution command.
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@param[in] THD Thread context
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@retval Sql_cmd The Sql_cmd_proc object
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*/
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Sql_cmd *make_cmd(THD *thd) override;
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private:
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PT_item_list *m_opt_expr_list;
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const Proc *m_proc;
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};
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} /* namespace im */
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#endif
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