1 files changed, 33 insertions, 0 deletions
diff --git a/src/backend/access/rmgrdesc/relmapdesc.c b/src/backend/access/rmgrdesc/relmapdesc.c
new file mode 100644
index 00000000000..3eaf6be9b41
--- /dev/null
+++ b/src/backend/access/rmgrdesc/relmapdesc.c
@@ -0,0 +1,33 @@
+/*-------------------------------------------------------------------------
+ *
+ * relmapdesc.c
+ *    rmgr descriptor routines for utils/cache/relmapper.c
+ *
+ * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *    src/backend/access/rmgrdesc/relmapdesc.c
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres.h"
+
+#include "utils/relmapper.h"
+
+void
+relmap_desc(StringInfo buf, uint8 xl_info, char *rec)
+{
+	uint8		info = xl_info & ~XLR_INFO_MASK;
+
+	if (info == XLOG_RELMAP_UPDATE)
+	{
+		xl_relmap_update *xlrec = (xl_relmap_update *) rec;
+
+		appendStringInfo(buf, "update relmap: database %u tablespace %u size %u",
+						 xlrec->dbid, xlrec->tsid, xlrec->nbytes);
+	}
+	else
+		appendStringInfo(buf, "UNKNOWN");
+}