trigger_def.h

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