MySQL 8.0.30
Source Code Documentation
table_trigger_field_support.h
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1/*
2 Copyright (c) 2013, 2022, Oracle and/or its affiliates.
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23
24#ifndef TABLE_TRIGGER_FIELD_SUPPORT_H_INCLUDED
25#define TABLE_TRIGGER_FIELD_SUPPORT_H_INCLUDED
26
27///////////////////////////////////////////////////////////////////////////
28
29#include "sql/trigger_def.h" // enum_trigger_variable_type
30
31///////////////////////////////////////////////////////////////////////////
32
33struct TABLE;
34class Field;
35
36///////////////////////////////////////////////////////////////////////////
37
38/**
39 This is an interface to be used from Item_trigger_field to access information
40 about table trigger fields (NEW/OLD rows).
41*/
42
44 public:
45 virtual TABLE *get_subject_table() = 0;
46
48 int field_index) = 0;
49
50 virtual ~Table_trigger_field_support() = default;
51};
52
53///////////////////////////////////////////////////////////////////////////
54
55#endif // TABLE_TRIGGER_FIELD_SUPPORT_H_INCLUDED
Definition: field.h:573
This is an interface to be used from Item_trigger_field to access information about table trigger fie...
Definition: table_trigger_field_support.h:43
virtual Field * get_trigger_variable_field(enum_trigger_variable_type v, int field_index)=0
virtual TABLE * get_subject_table()=0
virtual ~Table_trigger_field_support()=default
Definition: table.h:1394
This file defines all base public constants related to triggers in MySQL.
enum_trigger_variable_type
Enum constants to designate NEW and OLD trigger pseudo-variables.
Definition: trigger_def.h:72