131 lines
3.9 KiB
C
131 lines
3.9 KiB
C
/*-------------------------------------------------------------------------
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*
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* execdebug.h
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* #defines governing debugging behaviour in the executor
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*
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* XXX this is all pretty old and crufty. Newer code tends to use elog()
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* for debug printouts, because that's more flexible than printf().
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*
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*
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* Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/executor/execdebug.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef EXECDEBUG_H
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#define EXECDEBUG_H
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#include "executor/executor.h"
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#include "nodes/print.h"
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/* ----------------------------------------------------------------
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* debugging defines.
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*
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* If you want certain debugging behaviour, then #define
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* the variable to 1. No need to explicitly #undef by default,
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* since we can use -D compiler options to enable features.
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* - thomas 1999-02-20
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* ----------------------------------------------------------------
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*/
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/* ----------------
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* EXEC_NESTLOOPDEBUG is a flag which turns on debugging of the
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* nest loop node by NL_printf() and ENL_printf() in nodeNestloop.c
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* ----------------
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#undef EXEC_NESTLOOPDEBUG
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*/
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/* ----------------
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* EXEC_SORTDEBUG is a flag which turns on debugging of
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* the ExecSort() stuff by SO_printf() in nodeSort.c
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* ----------------
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#undef EXEC_SORTDEBUG
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*/
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/* ----------------
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* EXEC_MERGEJOINDEBUG is a flag which turns on debugging of
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* the ExecMergeJoin() stuff by MJ_printf() in nodeMergejoin.c
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* ----------------
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#undef EXEC_MERGEJOINDEBUG
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*/
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/* ----------------------------------------------------------------
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* #defines controlled by above definitions
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*
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* Note: most of these are "incomplete" because I didn't
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* need the ones not defined. More should be added
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* only as necessary -cim 10/26/89
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* ----------------------------------------------------------------
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*/
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#define T_OR_F(b) ((b) ? "true" : "false")
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#define NULL_OR_TUPLE(slot) (TupIsNull(slot) ? "null" : "a tuple")
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/* ----------------
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* nest loop debugging defines
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* ----------------
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*/
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#ifdef EXEC_NESTLOOPDEBUG
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#define NL_nodeDisplay(l) nodeDisplay(l)
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#define NL_printf(s) printf(s)
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#define NL1_printf(s, a) printf(s, a)
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#define ENL1_printf(message) printf("ExecNestLoop: %s\n", message)
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#else
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#define NL_nodeDisplay(l)
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#define NL_printf(s)
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#define NL1_printf(s, a)
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#define ENL1_printf(message)
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#endif /* EXEC_NESTLOOPDEBUG */
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/* ----------------
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* sort node debugging defines
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* ----------------
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*/
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#ifdef EXEC_SORTDEBUG
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#define SO_nodeDisplay(l) nodeDisplay(l)
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#define SO_printf(s) printf(s)
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#define SO1_printf(s, p) printf(s, p)
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#define SO2_printf(s, p1, p2) printf(s, p1, p2)
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#else
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#define SO_nodeDisplay(l)
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#define SO_printf(s)
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#define SO1_printf(s, p)
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#define SO2_printf(s, p1, p2)
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#endif /* EXEC_SORTDEBUG */
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/* ----------------
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* merge join debugging defines
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* ----------------
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*/
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#ifdef EXEC_MERGEJOINDEBUG
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#define MJ_nodeDisplay(l) nodeDisplay(l)
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#define MJ_printf(s) printf(s)
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#define MJ1_printf(s, p) printf(s, p)
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#define MJ2_printf(s, p1, p2) printf(s, p1, p2)
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#define MJ_debugtup(slot) debugtup(slot, NULL)
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#define MJ_dump(state) ExecMergeTupleDump(state)
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#define MJ_DEBUG_COMPARE(res) \
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MJ1_printf(" MJCompare() returns %d\n", (res))
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#define MJ_DEBUG_QUAL(clause, res) \
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MJ2_printf(" ExecQual(%s, econtext) returns %s\n", \
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CppAsString(clause), T_OR_F(res))
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#define MJ_DEBUG_PROC_NODE(slot) \
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MJ2_printf(" %s = ExecProcNode(...) returns %s\n", \
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CppAsString(slot), NULL_OR_TUPLE(slot))
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#else
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#define MJ_nodeDisplay(l)
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#define MJ_printf(s)
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#define MJ1_printf(s, p)
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#define MJ2_printf(s, p1, p2)
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#define MJ_debugtup(slot)
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#define MJ_dump(state)
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#define MJ_DEBUG_COMPARE(res)
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#define MJ_DEBUG_QUAL(clause, res)
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#define MJ_DEBUG_PROC_NODE(slot)
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#endif /* EXEC_MERGEJOINDEBUG */
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#endif /* EXECDEBUG_H */
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