Adding upstream version 15.4.upstream/15.4upstream

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

1 files changed, 31 insertions, 0 deletions

diff --git a/src/backend/nodes/nodes.c b/src/backend/nodes/nodes.c
new file mode 100644
index 0000000..c2d3b6a
--- /dev/null
+++ b/src/backend/nodes/nodes.c
@@ -0,0 +1,31 @@
+/*-------------------------------------------------------------------------
+ *
+ * nodes.c
+ *	  support code for nodes (now that we have removed the home-brew
+ *	  inheritance system, our support code for nodes is much simpler)
+ *
+ * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *	  src/backend/nodes/nodes.c
+ *
+ * HISTORY
+ *	  Andrew Yu			Oct 20, 1994	file creation
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres.h"
+
+#include "nodes/nodes.h"
+
+/*
+ * Support for newNode() macro
+ *
+ * In a GCC build there is no need for the global variable newNodeMacroHolder.
+ * However, we create it anyway, to support the case of a non-GCC-built
+ * loadable module being loaded into a GCC-built backend.
+ */
+
+Node	   *newNodeMacroHolder;