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Commit5788cca

Browse files
author
Neil Conway
committed
Remove unused 'printCost' field from ExplainState, and simplify the code
accordingly (this field was always initialized to true). Patch fromAlvaro Herrera.
1 parentba42002 commit5788cca

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1 file changed

+28
-39
lines changed

1 file changed

+28
-39
lines changed

‎src/backend/commands/explain.c

Lines changed: 28 additions & 39 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
* Portions Copyright (c) 1994-5, Regents of the University of California
88
*
99
* IDENTIFICATION
10-
* $PostgreSQL: pgsql/src/backend/commands/explain.c,v 1.136 2005/06/03 23:05:28 tgl Exp $
10+
* $PostgreSQL: pgsql/src/backend/commands/explain.c,v 1.137 2005/06/04 02:07:09 neilc Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -38,7 +38,6 @@
3838
typedefstructExplainState
3939
{
4040
/* options */
41-
boolprintCost;/* print cost */
4241
boolprintNodes;/* do nodeToString() too */
4342
boolprintAnalyze;/* print actual times */
4443
/* other states */
@@ -246,7 +245,6 @@ ExplainOnePlan(QueryDesc *queryDesc, ExplainStmt *stmt,
246245

247246
es= (ExplainState*)palloc0(sizeof(ExplainState));
248247

249-
es->printCost= true;/* default */
250248
es->printNodes=stmt->verbose;
251249
es->printAnalyze=stmt->analyze;
252250
es->rtable=queryDesc->parsetree->rtable;
@@ -266,18 +264,14 @@ ExplainOnePlan(QueryDesc *queryDesc, ExplainStmt *stmt,
266264
pfree(s);
267265
do_text_output_multiline(tstate,f);
268266
pfree(f);
269-
if (es->printCost)
270-
do_text_output_oneline(tstate,"");/* separator line */
267+
do_text_output_oneline(tstate,"");/* separator line */
271268
}
272269
}
273270

274271
str=makeStringInfo();
275272

276-
if (es->printCost)
277-
{
278-
explain_outNode(str,queryDesc->plantree,queryDesc->planstate,
279-
NULL,0,es);
280-
}
273+
explain_outNode(str,queryDesc->plantree,queryDesc->planstate,
274+
NULL,0,es);
281275

282276
/*
283277
* If we ran the command, run any AFTER triggers it queued. (Note this
@@ -358,13 +352,10 @@ ExplainOnePlan(QueryDesc *queryDesc, ExplainStmt *stmt,
358352

359353
totaltime+=elapsed_time(&starttime);
360354

361-
if (es->printCost)
362-
{
363-
if (stmt->analyze)
364-
appendStringInfo(str,"Total runtime: %.3f ms\n",
365-
1000.0*totaltime);
366-
do_text_output_multiline(tstate,str->data);
367-
}
355+
if (stmt->analyze)
356+
appendStringInfo(str,"Total runtime: %.3f ms\n",
357+
1000.0*totaltime);
358+
do_text_output_multiline(tstate,str->data);
368359

369360
pfree(str->data);
370361
pfree(str);
@@ -667,32 +658,30 @@ explain_outNode(StringInfo str,
667658
default:
668659
break;
669660
}
670-
if (es->printCost)
671-
{
672-
appendStringInfo(str," (cost=%.2f..%.2f rows=%.0f width=%d)",
673-
plan->startup_cost,plan->total_cost,
674-
plan->plan_rows,plan->plan_width);
661+
662+
appendStringInfo(str," (cost=%.2f..%.2f rows=%.0f width=%d)",
663+
plan->startup_cost,plan->total_cost,
664+
plan->plan_rows,plan->plan_width);
675665

676-
/*
677-
* We have to forcibly clean up the instrumentation state because
678-
* we haven't done ExecutorEnd yet. This is pretty grotty ...
679-
*/
680-
if (planstate->instrument)
681-
InstrEndLoop(planstate->instrument);
666+
/*
667+
* We have to forcibly clean up the instrumentation state because
668+
* we haven't done ExecutorEnd yet. This is pretty grotty ...
669+
*/
670+
if (planstate->instrument)
671+
InstrEndLoop(planstate->instrument);
682672

683-
if (planstate->instrument&&planstate->instrument->nloops>0)
684-
{
685-
doublenloops=planstate->instrument->nloops;
673+
if (planstate->instrument&&planstate->instrument->nloops>0)
674+
{
675+
doublenloops=planstate->instrument->nloops;
686676

687-
appendStringInfo(str," (actual time=%.3f..%.3f rows=%.0f loops=%.0f)",
688-
1000.0*planstate->instrument->startup /nloops,
689-
1000.0*planstate->instrument->total /nloops,
690-
planstate->instrument->ntuples /nloops,
691-
planstate->instrument->nloops);
692-
}
693-
elseif (es->printAnalyze)
694-
appendStringInfo(str," (never executed)");
677+
appendStringInfo(str," (actual time=%.3f..%.3f rows=%.0f loops=%.0f)",
678+
1000.0*planstate->instrument->startup /nloops,
679+
1000.0*planstate->instrument->total /nloops,
680+
planstate->instrument->ntuples /nloops,
681+
planstate->instrument->nloops);
695682
}
683+
elseif (es->printAnalyze)
684+
appendStringInfo(str," (never executed)");
696685
appendStringInfoChar(str,'\n');
697686

698687
/* quals, sort keys, etc */

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