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/*-------------------------------------------------------------------------
*
* 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) 1996-2012, 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_EVALDEBUG is a flag which turns on debugging of
* ExecEval and ExecTargetList() stuff by EV_printf() in execQual.c
* ----------------
#undef EXEC_EVALDEBUG
*/
/* ----------------
* 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 */
/* ----------------
* exec eval / target list debugging defines
* ----------------
*/
#ifdef EXEC_EVALDEBUG
#define EV_nodeDisplay(l) nodeDisplay(l)
#define EV_printf(s) printf(s)
#define EV1_printf(s, a) printf(s, a)
#else
#define EV_nodeDisplay(l)
#define EV_printf(s)
#define EV1_printf(s, a)
#endif /* EXEC_EVALDEBUG */
/* ----------------
* 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)
#else
#define SO_nodeDisplay(l)
#define SO_printf(s)
#define SO1_printf(s, p)
#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 /* ExecDebugIncluded */