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71 lines
2.3 KiB
71 lines
2.3 KiB
/*
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Copyright (c) 2013, 2017, Oracle 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 hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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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*/
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#ifndef TRIGGER_CHAIN_H_INCLUDED
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#define TRIGGER_CHAIN_H_INCLUDED
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#include "lex_string.h"
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#include "sql/sql_list.h" // List
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#include "sql/trigger_def.h" // enum_trigger_order_type
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class Query_tables_list;
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class THD;
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class Trigger;
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struct MEM_ROOT;
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struct MY_BITMAP;
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struct TABLE;
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struct TABLE_LIST;
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class Trigger_chain {
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public:
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Trigger_chain() {}
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~Trigger_chain();
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/**
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@return a reference to the list of triggers with the same
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EVENT/ACTION_TIME assigned to the table.
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*/
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List<Trigger> &get_trigger_list() { return m_triggers; }
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bool add_trigger(MEM_ROOT *mem_root, Trigger *new_trigger,
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enum_trigger_order_type ordering_clause,
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const LEX_CSTRING &referenced_trigger_name);
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bool add_trigger(MEM_ROOT *mem_root, Trigger *new_trigger);
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bool execute_triggers(THD *thd);
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void add_tables_and_routines(THD *thd, Query_tables_list *prelocking_ctx,
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TABLE_LIST *table_list);
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void mark_fields(TABLE *subject_table);
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bool has_updated_trigger_fields(const MY_BITMAP *used_fields);
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private:
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/// List of triggers of this chain.
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List<Trigger> m_triggers;
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};
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#endif
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