1 files changed, 37 insertions, 0 deletions
diff --git a/src/include/utils/evtcache.h b/src/include/utils/evtcache.h
new file mode 100644
index 0000000..d340026
--- /dev/null
+++ b/src/include/utils/evtcache.h
@@ -0,0 +1,37 @@
+/*-------------------------------------------------------------------------
+ *
+ * evtcache.h
+ *	  Special-purpose cache for event trigger data.
+ *
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *	  src/include/utils/evtcache.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef EVTCACHE_H
+#define EVTCACHE_H
+
+#include "nodes/bitmapset.h"
+#include "nodes/pg_list.h"
+
+typedef enum
+{
+	EVT_DDLCommandStart,
+	EVT_DDLCommandEnd,
+	EVT_SQLDrop,
+	EVT_TableRewrite
+} EventTriggerEvent;
+
+typedef struct
+{
+	Oid			fnoid;			/* function to be called */
+	char		enabled;		/* as SESSION_REPLICATION_ROLE_* */
+	Bitmapset  *tagset;			/* command tags, or NULL if empty */
+} EventTriggerCacheItem;
+
+extern List *EventCacheLookup(EventTriggerEvent event);
+
+#endif							/* EVTCACHE_H */