Viewing file:  event_trigger.h (3.35 KB) -rw-r--r--
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/*-------------------------------------------------------------------------
*
* event_trigger.h
* Declarations for command trigger handling.
*
* Portions Copyright (c) 1996-2016, 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"
#include "utils/aclchk_internal.h"
#include "tcop/deparse_utility.h"
typedef struct EventTriggerData
{
NodeTag type;
const char *event; /* event name */
Node *parsetree; /* parse tree */
const char *tag; /* command tag */
} EventTriggerData;
#define AT_REWRITE_ALTER_PERSISTENCE 0x01
#define AT_REWRITE_DEFAULT_VAL 0x02
#define AT_REWRITE_COLUMN_REWRITE 0x04
#define AT_REWRITE_ALTER_OID 0x08
/*
* 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 ObjectAddress AlterEventTriggerOwner(const char *name, Oid newOwnerId);
extern void AlterEventTriggerOwner_oid(Oid, Oid newOwnerId);
extern bool EventTriggerSupportsObjectType(ObjectType obtype);
extern bool EventTriggerSupportsObjectClass(ObjectClass objclass);
extern bool EventTriggerSupportsGrantObjectType(GrantObjectType objtype);
extern void EventTriggerDDLCommandStart(Node *parsetree);
extern void EventTriggerDDLCommandEnd(Node *parsetree);
extern void EventTriggerSQLDrop(Node *parsetree);
extern void EventTriggerTableRewrite(Node *parsetree, Oid tableOid, int reason);
extern bool EventTriggerBeginCompleteQuery(void);
extern void EventTriggerEndCompleteQuery(void);
extern bool trackDroppedObjectsNeeded(void);
extern void EventTriggerSQLDropAddObject(const ObjectAddress *object,
bool original, bool normal);
extern void EventTriggerInhibitCommandCollection(void);
extern void EventTriggerUndoInhibitCommandCollection(void);
extern void EventTriggerCollectSimpleCommand(ObjectAddress address,
ObjectAddress secondaryObject,
Node *parsetree);
extern void EventTriggerAlterTableStart(Node *parsetree);
extern void EventTriggerAlterTableRelid(Oid objectId);
extern void EventTriggerCollectAlterTableSubcmd(Node *subcmd,
ObjectAddress address);
extern void EventTriggerAlterTableEnd(void);
extern void EventTriggerCollectGrant(InternalGrant *istmt);
extern void EventTriggerCollectAlterOpFam(AlterOpFamilyStmt *stmt,
Oid opfamoid, List *operators,
List *procedures);
extern void EventTriggerCollectCreateOpClass(CreateOpClassStmt *stmt,
Oid opcoid, List *operators,
List *procedures);
extern void EventTriggerCollectAlterTSConfig(AlterTSConfigurationStmt *stmt,
Oid cfgId, Oid *dictIds, int ndicts);
extern void EventTriggerCollectAlterDefPrivs(AlterDefaultPrivilegesStmt *stmt);
#endif /* EVENT_TRIGGER_H */
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