1 files changed, 31 insertions, 0 deletions
diff --git a/src/include/utils/uuid.h b/src/include/utils/uuid.h
new file mode 100644
index 0000000..281a1a6
--- /dev/null
+++ b/src/include/utils/uuid.h
@@ -0,0 +1,31 @@
+/*-------------------------------------------------------------------------
+ *
+ * uuid.h
+ *	  Header file for the "uuid" ADT. In C, we use the name pg_uuid_t,
+ *	  to avoid conflicts with any uuid_t type that might be defined by
+ *	  the system headers.
+ *
+ * Copyright (c) 2007-2020, PostgreSQL Global Development Group
+ *
+ * src/include/utils/uuid.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef UUID_H
+#define UUID_H
+
+/* uuid size in bytes */
+#define UUID_LEN 16
+
+typedef struct pg_uuid_t
+{
+	unsigned char data[UUID_LEN];
+} pg_uuid_t;
+
+/* fmgr interface macros */
+#define UUIDPGetDatum(X)		PointerGetDatum(X)
+#define PG_RETURN_UUID_P(X)		return UUIDPGetDatum(X)
+#define DatumGetUUIDP(X)		((pg_uuid_t *) DatumGetPointer(X))
+#define PG_GETARG_UUID_P(X)		DatumGetUUIDP(PG_GETARG_DATUM(X))
+
+#endif							/* UUID_H */