51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*
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Copyright (c) 2013, 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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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 Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 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 "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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{
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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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///////////////////////////////////////////////////////////////////////////
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#endif // TABLE_TRIGGER_FIELD_SUPPORT_H_INCLUDED
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