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75 lines
2.3 KiB
75 lines
2.3 KiB
5 months ago
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/*
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Copyright (c) 2013, 2016, 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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#ifndef TRIGGER_DEF_H_INCLUDED
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#define TRIGGER_DEF_H_INCLUDED
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///////////////////////////////////////////////////////////////////////////
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/**
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@file
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@brief
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This file defines all base public constants related to triggers in MySQL.
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*/
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///////////////////////////////////////////////////////////////////////////
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/**
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Constants to enumerate possible event types on which triggers can be fired.
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*/
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enum enum_trigger_event_type {
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TRG_EVENT_INSERT = 0,
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TRG_EVENT_UPDATE = 1,
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TRG_EVENT_DELETE = 2,
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TRG_EVENT_MAX
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};
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/**
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Constants to enumerate possible timings when triggers can be fired.
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*/
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enum enum_trigger_action_time_type {
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TRG_ACTION_BEFORE = 0,
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TRG_ACTION_AFTER = 1,
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TRG_ACTION_MAX
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};
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/**
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Possible trigger ordering clause values:
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- TRG_ORDER_NONE -- trigger ordering clause is not specified
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- TRG_ORDER_FOLLOWS -- FOLLOWS clause
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- TRG_ORDER_PRECEDES -- PRECEDES clause
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*/
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enum enum_trigger_order_type {
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TRG_ORDER_NONE = 0,
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TRG_ORDER_FOLLOWS = 1,
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TRG_ORDER_PRECEDES = 2
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};
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/**
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Enum constants to designate NEW and OLD trigger pseudo-variables.
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*/
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enum enum_trigger_variable_type { TRG_OLD_ROW, TRG_NEW_ROW };
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#endif // TRIGGER_DEF_H_INCLUDED
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