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/*-------------------------------------------------------------------------
*
* event_trigger.h
* Declarations for command trigger handling.
*
* Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/commands/event_trigger.h
*
*-------------------------------------------------------------------------
*/
#ifndef EVENT_TRIGGER_H
#define EVENT_TRIGGER_H
#include "catalog/dependency.h"
#include "catalog/objectaddress.h"
#include "catalog/pg_event_trigger.h"
#include "nodes/parsenodes.h"
typedef struct EventTriggerData
{
NodeTag type;
const char *event; /* event name */
Node *parsetree; /* parse tree */
const char *tag; /* command tag */
} EventTriggerData;
/*
* EventTriggerData is the node type that is passed as fmgr "context" info
* when a function is called by the event trigger manager.
*/
#define CALLED_AS_EVENT_TRIGGER(fcinfo) \
((fcinfo)->context != NULL && IsA((fcinfo)->context, EventTriggerData))
extern Oid CreateEventTrigger(CreateEventTrigStmt *stmt);
extern void RemoveEventTriggerById(Oid ctrigOid);
extern Oid get_event_trigger_oid(const char *trigname, bool missing_ok);
extern Oid AlterEventTrigger(AlterEventTrigStmt *stmt);
extern Oid AlterEventTriggerOwner(const char *name, Oid newOwnerId);
extern void AlterEventTriggerOwner_oid(Oid, Oid newOwnerId);
extern bool EventTriggerSupportsObjectType(ObjectType obtype);
extern bool EventTriggerSupportsObjectClass(ObjectClass objclass);
extern void EventTriggerDDLCommandStart(Node *parsetree);
extern void EventTriggerDDLCommandEnd(Node *parsetree);
extern void EventTriggerSQLDrop(Node *parsetree);
extern bool EventTriggerBeginCompleteQuery(void);
extern void EventTriggerEndCompleteQuery(void);
extern bool trackDroppedObjectsNeeded(void);
extern void EventTriggerSQLDropAddObject(ObjectAddress *object);
#endif /* EVENT_TRIGGER_H */
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