56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
/*
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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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#ifndef TABLE_TRIGGER_FIELD_SUPPORT_H_INCLUDED
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#define TABLE_TRIGGER_FIELD_SUPPORT_H_INCLUDED
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///////////////////////////////////////////////////////////////////////////
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#include "sql/trigger_def.h" // enum_trigger_variable_type
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///////////////////////////////////////////////////////////////////////////
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struct TABLE;
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class Field;
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///////////////////////////////////////////////////////////////////////////
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/**
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This is an interface to be used from Item_trigger_field to access information
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about table trigger fields (NEW/OLD rows).
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*/
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class Table_trigger_field_support {
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public:
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virtual TABLE *get_subject_table() = 0;
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virtual Field *get_trigger_variable_field(enum_trigger_variable_type v,
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int field_index) = 0;
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virtual ~Table_trigger_field_support() {}
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};
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///////////////////////////////////////////////////////////////////////////
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#endif // TABLE_TRIGGER_FIELD_SUPPORT_H_INCLUDED
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