1 files changed, 88 insertions, 0 deletions
diff --git a/src/include/commands/event_trigger.h b/src/include/commands/event_trigger.h
new file mode 100644
index 0000000..28b3520
--- /dev/null
+++ b/src/include/commands/event_trigger.h
@@ -0,0 +1,88 @@
+/*-------------------------------------------------------------------------
+ *
+ * event_trigger.h
+ *	  Declarations for command trigger handling.
+ *
+ * Portions Copyright (c) 1996-2020, 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 void RemoveEventTriggerById(Oid trigOid);
+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 */