Adding upstream version 14.5.upstream/14.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/src/backend/access/rmgrdesc/committsdesc.c b/src/backend/access/rmgrdesc/committsdesc.c
new file mode 100644
index 0000000..26bad44
--- /dev/null
+++ b/src/backend/access/rmgrdesc/committsdesc.c
@@ -0,0 +1,55 @@
+/*-------------------------------------------------------------------------
+ *
+ * committsdesc.c
+ *	  rmgr descriptor routines for access/transam/commit_ts.c
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *	  src/backend/access/rmgrdesc/committsdesc.c
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres.h"
+
+#include "access/commit_ts.h"
+#include "utils/timestamp.h"
+
+
+void
+commit_ts_desc(StringInfo buf, XLogReaderState *record)
+{
+	char	   *rec = XLogRecGetData(record);
+	uint8		info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
+
+	if (info == COMMIT_TS_ZEROPAGE)
+	{
+		int			pageno;
+
+		memcpy(&pageno, rec, sizeof(int));
+		appendStringInfo(buf, "%d", pageno);
+	}
+	else if (info == COMMIT_TS_TRUNCATE)
+	{
+		xl_commit_ts_truncate *trunc = (xl_commit_ts_truncate *) rec;
+
+		appendStringInfo(buf, "pageno %d, oldestXid %u",
+						 trunc->pageno, trunc->oldestXid);
+	}
+}
+
+const char *
+commit_ts_identify(uint8 info)
+{
+	switch (info)
+	{
+		case COMMIT_TS_ZEROPAGE:
+			return "ZEROPAGE";
+		case COMMIT_TS_TRUNCATE:
+			return "TRUNCATE";
+		default:
+			return NULL;
+	}
+}