1 files changed, 59 insertions, 0 deletions
diff --git a/src/include/catalog/pg_extension.h b/src/include/catalog/pg_extension.h
new file mode 100644
index 0000000..799c8ed
--- /dev/null
+++ b/src/include/catalog/pg_extension.h
@@ -0,0 +1,59 @@
+/*-------------------------------------------------------------------------
+ *
+ * pg_extension.h
+ *	  definition of the "extension" system catalog (pg_extension)
+ *
+ *
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/catalog/pg_extension.h
+ *
+ * NOTES
+ *	  The Catalog.pm module reads this file and derives schema
+ *	  information.
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_EXTENSION_H
+#define PG_EXTENSION_H
+
+#include "catalog/genbki.h"
+#include "catalog/pg_extension_d.h"
+
+/* ----------------
+ *		pg_extension definition.  cpp turns this into
+ *		typedef struct FormData_pg_extension
+ * ----------------
+ */
+CATALOG(pg_extension,3079,ExtensionRelationId)
+{
+	Oid			oid;			/* oid */
+	NameData	extname;		/* extension name */
+	Oid			extowner BKI_LOOKUP(pg_authid); /* extension owner */
+	Oid			extnamespace BKI_LOOKUP(pg_namespace);	/* namespace of
+														 * contained objects */
+	bool		extrelocatable; /* if true, allow ALTER EXTENSION SET SCHEMA */
+
+#ifdef CATALOG_VARLEN			/* variable-length fields start here */
+	/* extversion may never be null, but the others can be. */
+	text		extversion BKI_FORCE_NOT_NULL;	/* extension version name */
+	Oid			extconfig[1] BKI_LOOKUP(pg_class);	/* dumpable configuration
+													 * tables */
+	text		extcondition[1];	/* WHERE clauses for config tables */
+#endif
+} FormData_pg_extension;
+
+/* ----------------
+ *		Form_pg_extension corresponds to a pointer to a tuple with
+ *		the format of pg_extension relation.
+ * ----------------
+ */
+typedef FormData_pg_extension *Form_pg_extension;
+
+DECLARE_TOAST(pg_extension, 4147, 4148);
+
+DECLARE_UNIQUE_INDEX_PKEY(pg_extension_oid_index, 3080, ExtensionOidIndexId, on pg_extension using btree(oid oid_ops));
+DECLARE_UNIQUE_INDEX(pg_extension_name_index, 3081, ExtensionNameIndexId, on pg_extension using btree(extname name_ops));
+
+#endif							/* PG_EXTENSION_H */