Adding upstream version 15.4.upstream/15.4upstream

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

1 files changed, 60 insertions, 0 deletions

diff --git a/src/include/commands/dbcommands_xlog.h b/src/include/commands/dbcommands_xlog.h
new file mode 100644
index 0000000..0ee2452
--- /dev/null
+++ b/src/include/commands/dbcommands_xlog.h
@@ -0,0 +1,60 @@
+/*-------------------------------------------------------------------------
+ *
+ * dbcommands_xlog.h
+ *		Database resource manager XLOG definitions (create/drop database).
+ *
+ *
+ * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/commands/dbcommands_xlog.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef DBCOMMANDS_XLOG_H
+#define DBCOMMANDS_XLOG_H
+
+#include "access/xlogreader.h"
+#include "lib/stringinfo.h"
+
+/* record types */
+#define XLOG_DBASE_CREATE_FILE_COPY		0x00
+#define XLOG_DBASE_CREATE_WAL_LOG		0x10
+#define XLOG_DBASE_DROP					0x20
+
+/*
+ * Single WAL record for an entire CREATE DATABASE operation. This is used
+ * by the FILE_COPY strategy.
+ */
+typedef struct xl_dbase_create_file_copy_rec
+{
+	Oid			db_id;
+	Oid			tablespace_id;
+	Oid			src_db_id;
+	Oid			src_tablespace_id;
+} xl_dbase_create_file_copy_rec;
+
+/*
+ * WAL record for the beginning of a CREATE DATABASE operation, when the
+ * WAL_LOG strategy is used. Each individual block will be logged separately
+ * afterward.
+ */
+typedef struct xl_dbase_create_wal_log_rec
+{
+	Oid			db_id;
+	Oid			tablespace_id;
+} xl_dbase_create_wal_log_rec;
+
+typedef struct xl_dbase_drop_rec
+{
+	Oid			db_id;
+	int			ntablespaces;	/* number of tablespace IDs */
+	Oid			tablespace_ids[FLEXIBLE_ARRAY_MEMBER];
+} xl_dbase_drop_rec;
+#define MinSizeOfDbaseDropRec offsetof(xl_dbase_drop_rec, tablespace_ids)
+
+extern void dbase_redo(XLogReaderState *rptr);
+extern void dbase_desc(StringInfo buf, XLogReaderState *rptr);
+extern const char *dbase_identify(uint8 info);
+
+#endif							/* DBCOMMANDS_XLOG_H */