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-rw-r--r--src/include/commands/event_trigger.h87
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diff --git a/src/include/commands/event_trigger.h b/src/include/commands/event_trigger.h
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+/*-------------------------------------------------------------------------
+ *
+ * event_trigger.h
+ * Declarations for command trigger handling.
+ *
+ * Portions Copyright (c) 1996-2021, 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 "tcop/cmdtag.h"
+#include "tcop/deparse_utility.h"
+#include "utils/aclchk_internal.h"
+
+typedef struct EventTriggerData
+{
+ NodeTag type;
+ const char *event; /* event name */
+ Node *parsetree; /* parse tree */
+ CommandTag tag;
+} EventTriggerData;
+
+#define AT_REWRITE_ALTER_PERSISTENCE 0x01
+#define AT_REWRITE_DEFAULT_VAL 0x02
+#define AT_REWRITE_COLUMN_REWRITE 0x04
+
+/*
+ * 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 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 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 */