1 files changed, 130 insertions, 0 deletions
diff --git a/src/include/executor/execdebug.h b/src/include/executor/execdebug.h
new file mode 100644
index 0000000..4af6e00
--- /dev/null
+++ b/src/include/executor/execdebug.h
@@ -0,0 +1,130 @@
+/*-------------------------------------------------------------------------
+ *
+ * execdebug.h
+ *	  #defines governing debugging behaviour in the executor
+ *
+ * XXX this is all pretty old and crufty.  Newer code tends to use elog()
+ * for debug printouts, because that's more flexible than printf().
+ *
+ *
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/executor/execdebug.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef EXECDEBUG_H
+#define EXECDEBUG_H
+
+#include "executor/executor.h"
+#include "nodes/print.h"
+
+/* ----------------------------------------------------------------
+ *		debugging defines.
+ *
+ *		If you want certain debugging behaviour, then #define
+ *		the variable to 1. No need to explicitly #undef by default,
+ *		since we can use -D compiler options to enable features.
+ *		- thomas 1999-02-20
+ * ----------------------------------------------------------------
+ */
+
+/* ----------------
+ *		EXEC_NESTLOOPDEBUG is a flag which turns on debugging of the
+ *		nest loop node by NL_printf() and ENL_printf() in nodeNestloop.c
+ * ----------------
+#undef EXEC_NESTLOOPDEBUG
+ */
+
+/* ----------------
+ *		EXEC_SORTDEBUG is a flag which turns on debugging of
+ *		the ExecSort() stuff by SO_printf() in nodeSort.c
+ * ----------------
+#undef EXEC_SORTDEBUG
+ */
+
+/* ----------------
+ *		EXEC_MERGEJOINDEBUG is a flag which turns on debugging of
+ *		the ExecMergeJoin() stuff by MJ_printf() in nodeMergejoin.c
+ * ----------------
+#undef EXEC_MERGEJOINDEBUG
+ */
+
+/* ----------------------------------------------------------------
+ *		#defines controlled by above definitions
+ *
+ *		Note: most of these are "incomplete" because I didn't
+ *			  need the ones not defined.  More should be added
+ *			  only as necessary -cim 10/26/89
+ * ----------------------------------------------------------------
+ */
+#define T_OR_F(b)				((b) ? "true" : "false")
+#define NULL_OR_TUPLE(slot)		(TupIsNull(slot) ? "null" : "a tuple")
+
+/* ----------------
+ *		nest loop debugging defines
+ * ----------------
+ */
+#ifdef EXEC_NESTLOOPDEBUG
+#define NL_nodeDisplay(l)				nodeDisplay(l)
+#define NL_printf(s)					printf(s)
+#define NL1_printf(s, a)				printf(s, a)
+#define ENL1_printf(message)			printf("ExecNestLoop: %s\n", message)
+#else
+#define NL_nodeDisplay(l)
+#define NL_printf(s)
+#define NL1_printf(s, a)
+#define ENL1_printf(message)
+#endif							/* EXEC_NESTLOOPDEBUG */
+
+/* ----------------
+ *		sort node debugging defines
+ * ----------------
+ */
+#ifdef EXEC_SORTDEBUG
+#define SO_nodeDisplay(l)				nodeDisplay(l)
+#define SO_printf(s)					printf(s)
+#define SO1_printf(s, p)				printf(s, p)
+#define SO2_printf(s, p1, p2)			printf(s, p1, p2)
+#else
+#define SO_nodeDisplay(l)
+#define SO_printf(s)
+#define SO1_printf(s, p)
+#define SO2_printf(s, p1, p2)
+#endif							/* EXEC_SORTDEBUG */
+
+/* ----------------
+ *		merge join debugging defines
+ * ----------------
+ */
+#ifdef EXEC_MERGEJOINDEBUG
+
+#define MJ_nodeDisplay(l)				nodeDisplay(l)
+#define MJ_printf(s)					printf(s)
+#define MJ1_printf(s, p)				printf(s, p)
+#define MJ2_printf(s, p1, p2)			printf(s, p1, p2)
+#define MJ_debugtup(slot)				debugtup(slot, NULL)
+#define MJ_dump(state)					ExecMergeTupleDump(state)
+#define MJ_DEBUG_COMPARE(res) \
+  MJ1_printf("  MJCompare() returns %d\n", (res))
+#define MJ_DEBUG_QUAL(clause, res) \
+  MJ2_printf("  ExecQual(%s, econtext) returns %s\n", \
+			 CppAsString(clause), T_OR_F(res))
+#define MJ_DEBUG_PROC_NODE(slot) \
+  MJ2_printf("  %s = ExecProcNode(...) returns %s\n", \
+			 CppAsString(slot), NULL_OR_TUPLE(slot))
+#else
+
+#define MJ_nodeDisplay(l)
+#define MJ_printf(s)
+#define MJ1_printf(s, p)
+#define MJ2_printf(s, p1, p2)
+#define MJ_debugtup(slot)
+#define MJ_dump(state)
+#define MJ_DEBUG_COMPARE(res)
+#define MJ_DEBUG_QUAL(clause, res)
+#define MJ_DEBUG_PROC_NODE(slot)
+#endif							/* EXEC_MERGEJOINDEBUG */
+
+#endif							/* EXECDEBUG_H */