MySQL 9.0.0
Source Code Documentation
table_trigger_field_support.h
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1/*
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24
25#ifndef TABLE_TRIGGER_FIELD_SUPPORT_H_INCLUDED
26#define TABLE_TRIGGER_FIELD_SUPPORT_H_INCLUDED
27
28///////////////////////////////////////////////////////////////////////////
29
30#include "sql/trigger_def.h" // enum_trigger_variable_type
31
32///////////////////////////////////////////////////////////////////////////
33
34struct TABLE;
35class Field;
36
37///////////////////////////////////////////////////////////////////////////
38
39/**
40 This is an interface to be used from Item_trigger_field to access information
41 about table trigger fields (NEW/OLD rows).
42*/
43
45 public:
46 virtual TABLE *get_subject_table() = 0;
47
49 int field_index) = 0;
50
51 virtual ~Table_trigger_field_support() = default;
52};
53
54///////////////////////////////////////////////////////////////////////////
55
56#endif // TABLE_TRIGGER_FIELD_SUPPORT_H_INCLUDED
Definition: field.h:577
This is an interface to be used from Item_trigger_field to access information about table trigger fie...
Definition: table_trigger_field_support.h:44
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:1407
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:73