diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index 38115cba24bfbd1c29ef9562428b59b4e7bb6cde..6ec4d72f02acc4361465d361a10670710a9dd338 100644
--- a/doc/src/sgml/runtime.sgml
+++ b/doc/src/sgml/runtime.sgml
@@ -1,5 +1,5 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.151 2002/11/14 23:53:26 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.152 2002/11/15 00:47:22 momjian Exp $
 -->
 
 <Chapter Id="runtime">
@@ -1110,10 +1110,10 @@ env PGOPTIONS='-c geqo=off' psql
      </varlistentry>
 
      <varlistentry>
-      <term><varname>SHOW_STATEMENT_STATS</varname> (<type>boolean</type>)</term>
-      <term><varname>SHOW_PARSER_STATS</varname> (<type>boolean</type>)</term>
-      <term><varname>SHOW_PLANNER_STATS</varname> (<type>boolean</type>)</term>
-      <term><varname>SHOW_EXECUTOR_STATS</varname> (<type>boolean</type>)</term>
+      <term><varname>LOG_STATEMENT_STATS</varname> (<type>boolean</type>)</term>
+      <term><varname>LOG_PARSER_STATS</varname> (<type>boolean</type>)</term>
+      <term><varname>LOG_PLANNER_STATS</varname> (<type>boolean</type>)</term>
+      <term><varname>LOG_EXECUTOR_STATS</varname> (<type>boolean</type>)</term>
       <listitem>
        <para>
         For each query, write performance statistics of the respective
@@ -2250,7 +2250,9 @@ $ <userinput>postmaster -o '-S 1024 -s'</userinput>
 
        <row>
         <entry><option>-tpa</option>, <option>-tpl</option>, <option>-te</option><footnoteref linkend="fn.runtime-config-short"></entry>
-        <entry><literal>show_parser_stats=on</>, <literal>show_planner_stats=on</>, <literal>show_executor_stats=on</></entry>
+        <entry><literal>log_parser_stats=on</>,
+        <literal>log_planner_stats=on</>, 
+	<literal>log_executor_stats=on</></entry>
        </row>
       </tbody>
      </tgroup>
diff --git a/src/backend/commands/prepare.c b/src/backend/commands/prepare.c
index eb65be0d5654b1f8a92f3e586b6d81ca6c0e7e3b..391ef0bc9c5dbcdff6e66c9072057fb28c55adbe 100644
--- a/src/backend/commands/prepare.c
+++ b/src/backend/commands/prepare.c
@@ -6,7 +6,7 @@
  * Copyright (c) 2002, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/commands/prepare.c,v 1.7 2002/11/13 00:39:46 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/commands/prepare.c,v 1.8 2002/11/15 00:47:22 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -153,7 +153,7 @@ ExecuteQuery(ExecuteStmt *stmt, CommandDest outputDest)
 			QueryDesc  *qdesc;
 			EState	   *state;
 
-			if (Show_executor_stats)
+			if (log_executor_stats)
 				ResetUsage();
 
 			qdesc = CreateQueryDesc(query, plan, outputDest, NULL);
@@ -172,7 +172,7 @@ ExecuteQuery(ExecuteStmt *stmt, CommandDest outputDest)
 
 			RunQuery(qdesc, state);
 
-			if (Show_executor_stats)
+			if (log_executor_stats)
 				ShowUsage("EXECUTOR STATISTICS");
 		}
 
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index 0a69c3bb7da69cf1c68e71b0e6165cdf15012be9..d09df569cedf37a9e706a9ed54c6140a78b55fc0 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.308 2002/11/14 23:53:27 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.309 2002/11/15 00:47:22 momjian Exp $
  *
  * NOTES
  *	  this is the "main" module of the postgres backend and
@@ -368,15 +368,15 @@ pg_parse_query(StringInfo query_string, Oid *typev, int nargs)
 {
 	List	   *raw_parsetree_list;
 
-	if (Log_statement)
+	if (log_statement)
 		elog(LOG, "query: %s", query_string->data);
 
-	if (Show_parser_stats)
+	if (log_parser_stats)
 		ResetUsage();
 
 	raw_parsetree_list = parser(query_string, typev, nargs);
 
-	if (Show_parser_stats)
+	if (log_parser_stats)
 		ShowUsage("PARSER STATISTICS");
 
 	return raw_parsetree_list;
@@ -402,12 +402,12 @@ pg_analyze_and_rewrite(Node *parsetree)
 	/*
 	 * (1) Perform parse analysis.
 	 */
-	if (Show_parser_stats)
+	if (log_parser_stats)
 		ResetUsage();
 
 	querytree_list = parse_analyze(parsetree, NULL);
 
-	if (Show_parser_stats)
+	if (log_parser_stats)
 	{
 		ShowUsage("PARSE ANALYSIS STATISTICS");
 		ResetUsage();
@@ -444,7 +444,7 @@ pg_analyze_and_rewrite(Node *parsetree)
 
 	querytree_list = new_list;
 
-	if (Show_parser_stats)
+	if (log_parser_stats)
 		ShowUsage("REWRITER STATISTICS");
 
 #ifdef COPY_PARSE_PLAN_TREES
@@ -479,13 +479,13 @@ pg_plan_query(Query *querytree)
 	if (querytree->commandType == CMD_UTILITY)
 		return NULL;
 
-	if (Show_planner_stats)
+	if (log_planner_stats)
 		ResetUsage();
 
 	/* call the optimizer */
 	plan = planner(querytree);
 
-	if (Show_planner_stats)
+	if (log_planner_stats)
 		ShowUsage("PLANNER STATISTICS");
 
 #ifdef COPY_PARSE_PLAN_TREES
@@ -559,15 +559,15 @@ pg_exec_query_string(StringInfo query_string,	/* string to execute */
 			   *parsetree_item;
 	struct timeval start_t,
 				stop_t;
-	bool		save_Log_duration = Log_duration;
+	bool		save_log_duration = log_duration;
 
 	debug_query_string = query_string->data;
 
 	/*
-	 * We use save_Log_duration so "SET Log_duration = true" doesn't
+	 * We use save_log_duration so "SET log_duration = true" doesn't
 	 * report incorrect time because gettimeofday() wasn't called.
 	 */
-	if (save_Log_duration)
+	if (save_log_duration)
 		gettimeofday(&start_t, NULL);
 
 	/*
@@ -820,7 +820,7 @@ pg_exec_query_string(StringInfo query_string,	/* string to execute */
 				/*
 				 * execute the plan
 				 */
-				if (Show_executor_stats)
+				if (log_executor_stats)
 					ResetUsage();
 
 				if (dontExecute)
@@ -845,7 +845,7 @@ pg_exec_query_string(StringInfo query_string,	/* string to execute */
 					}
 				}
 
-				if (Show_executor_stats)
+				if (log_executor_stats)
 					ShowUsage("EXECUTOR STATISTICS");
 			}
 
@@ -933,7 +933,7 @@ pg_exec_query_string(StringInfo query_string,	/* string to execute */
 	if (xact_started)
 		finish_xact_command(false);
 
-	if (save_Log_duration)
+	if (save_log_duration)
 	{
 		gettimeofday(&stop_t, NULL);
 		if (stop_t.tv_usec < start_t.tv_usec)
@@ -1498,9 +1498,9 @@ PostgresMain(int argc, char *argv[], const char *username)
 				{
 					case 'p':
 						if (optarg[1] == 'a')
-							tmp = "show_parser_stats";
+							tmp = "log_parser_stats";
 						else if (optarg[1] == 'l')
-							tmp = "show_planner_stats";
+							tmp = "log_planner_stats";
 						else
 							errs++;
 						break;
@@ -1607,8 +1607,8 @@ PostgresMain(int argc, char *argv[], const char *username)
 	/*
 	 * Post-processing for command line options.
 	 */
-	if (Show_statement_stats &&
-		(Show_parser_stats || Show_planner_stats || Show_executor_stats))
+	if (log_statement_stats &&
+		(log_parser_stats || log_planner_stats || log_executor_stats))
 	{
 		elog(WARNING, "Query statistics are disabled because parser, planner, or executor statistics are on.");
 		SetConfigOption("show_statement_stats", "false", ctx, gucsource);
@@ -1781,7 +1781,7 @@ PostgresMain(int argc, char *argv[], const char *username)
 	if (!IsUnderPostmaster)
 	{
 		puts("\nPOSTGRES backend interactive interface ");
-		puts("$Revision: 1.308 $ $Date: 2002/11/14 23:53:27 $\n");
+		puts("$Revision: 1.309 $ $Date: 2002/11/15 00:47:22 $\n");
 	}
 
 	/*
@@ -2008,7 +2008,7 @@ PostgresMain(int argc, char *argv[], const char *username)
 					 * Note: transaction command start/end is now done within
 					 * pg_exec_query_string(), not here.
 					 */
-					if (Show_statement_stats)
+					if (log_statement_stats)
 						ResetUsage();
 
 					pgstat_report_activity(parser_input->data);
@@ -2017,7 +2017,7 @@ PostgresMain(int argc, char *argv[], const char *username)
 										 whereToSendOutput,
 										 QueryContext);
 
-					if (Show_statement_stats)
+					if (log_statement_stats)
 						ShowUsage("QUERY STATISTICS");
 				}
 				break;
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 8802e5fbdcefdd30eb5a9658a63895d3a8a6f291..5355b7be44f542604c342816e8edc403463f7b5a 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -5,7 +5,7 @@
  * command, configuration file, and command line options.
  * See src/backend/utils/misc/README for more information.
  *
- * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.101 2002/11/14 23:53:27 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.102 2002/11/15 00:47:22 momjian Exp $
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  * Written by Peter Eisentraut <peter_e@gmx.net>.
@@ -79,17 +79,17 @@ static const char *assign_msglvl(int *var, const char *newval,
 #ifdef USE_ASSERT_CHECKING
 bool		assert_enabled = true;
 #endif
-bool		Log_statement = false;
-bool		Log_duration = false;
+bool		log_statement = false;
+bool		log_duration = false;
 bool		Debug_print_plan = false;
 bool		Debug_print_parse = false;
 bool		Debug_print_rewritten = false;
 bool		Debug_pretty_print = false;
 
-bool		Show_parser_stats = false;
-bool		Show_planner_stats = false;
-bool		Show_executor_stats = false;
-bool		Show_statement_stats = false;		/* this is sort of all
+bool		log_parser_stats = false;
+bool		log_planner_stats = false;
+bool		log_executor_stats = false;
+bool		log_statement_stats = false;		/* this is sort of all
 												 * three above together */
 bool		Show_btree_build_stats = false;
 
@@ -378,11 +378,11 @@ static struct config_bool
 #endif
 
 	{
-		{"log_statement", PGC_USERSET}, &Log_statement,
+		{"log_statement", PGC_USERSET}, &log_statement,
 		false, NULL, NULL
 	},
 	{
-		{"log_duration", PGC_USERSET}, &Log_duration,
+		{"log_duration", PGC_USERSET}, &log_duration,
 		false, NULL, NULL
 	},
 	{
@@ -403,19 +403,19 @@ static struct config_bool
 	},
 
 	{
-		{"show_parser_stats", PGC_USERSET}, &Show_parser_stats,
+		{"log_parser_stats", PGC_USERSET}, &log_parser_stats,
 		false, NULL, NULL
 	},
 	{
-		{"show_planner_stats", PGC_USERSET}, &Show_planner_stats,
+		{"log_planner_stats", PGC_USERSET}, &log_planner_stats,
 		false, NULL, NULL
 	},
 	{
-		{"show_executor_stats", PGC_USERSET}, &Show_executor_stats,
+		{"log_executor_stats", PGC_USERSET}, &log_executor_stats,
 		false, NULL, NULL
 	},
 	{
-		{"show_statement_stats", PGC_USERSET}, &Show_statement_stats,
+		{"log_statement_stats", PGC_USERSET}, &log_statement_stats,
 		false, NULL, NULL
 	},
 #ifdef BTREE_BUILD_STATS
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index ff72af3c25923cedbbe5174fd96fbd06fb1eea86..4a06d50627818dc0057ed258dcb446ccb05ebea7 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -152,10 +152,10 @@
 #
 #	Statistics
 #
-#show_parser_stats = false
-#show_planner_stats = false
-#show_executor_stats = false
-#show_statement_stats = false
+#log_parser_stats = false
+#log_planner_stats = false
+#log_executor_stats = false
+#log_statement_stats = false
 
 # requires BTREE_BUILD_STATS
 #show_btree_build_stats = false
diff --git a/src/bin/psql/tab-complete.c b/src/bin/psql/tab-complete.c
index 3c65195de77456f5074df4e9aee78dd23e519603..40e4993c37f462fb04b14d4ffb7ef45156c60f9d 100644
--- a/src/bin/psql/tab-complete.c
+++ b/src/bin/psql/tab-complete.c
@@ -3,7 +3,7 @@
  *
  * Copyright 2000-2002 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/tab-complete.c,v 1.66 2002/11/14 23:53:27 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/tab-complete.c,v 1.67 2002/11/15 00:47:22 momjian Exp $
  */
 
 /*----------------------------------------------------------------------
@@ -238,10 +238,10 @@ psql_completion(char *text, int start, int end)
 		"debug_print_rewritten",
 		"debug_print_plan",
 		"debug_pretty_print",
-		"show_parser_stats",
-		"show_planner_stats",
-		"show_executor_stats",
-		"show_statement_stats",
+		"log_parser_stats",
+		"log_planner_stats",
+		"log_executor_stats",
+		"log_statement_stats",
 		"trace_notify",
 		"explain_pretty_print",
 		"sql_inheritance",
diff --git a/src/include/utils/guc.h b/src/include/utils/guc.h
index e891580e32b58f131584c5c4cf0d4398cd7821e4..f39f0a18544ad6ba35c022448a6de84d0778168d 100644
--- a/src/include/utils/guc.h
+++ b/src/include/utils/guc.h
@@ -4,7 +4,7 @@
  * External declarations pertaining to backend/utils/misc/guc.c and
  * backend/utils/misc/guc-file.l
  *
- * $Id: guc.h,v 1.25 2002/11/14 23:53:27 momjian Exp $
+ * $Id: guc.h,v 1.26 2002/11/15 00:47:22 momjian Exp $
  */
 #ifndef GUC_H
 #define GUC_H
@@ -107,18 +107,18 @@ extern const char *assign_log_min_messages(const char *newval,
 						   bool doit, bool interactive);
 extern const char *assign_client_min_messages(const char *newval,
 						   bool doit, bool interactive);
-extern bool Log_statement;
-extern bool Log_duration;
+extern bool log_statement;
+extern bool log_duration;
 extern bool Debug_print_plan;
 extern bool Debug_print_parse;
 extern bool Debug_print_rewritten;
 extern bool Debug_pretty_print;
 
-extern bool Show_parser_stats;
-extern bool Show_planner_stats;
-extern bool Show_executor_stats;
-extern bool Show_statement_stats;
-extern bool Show_btree_build_stats;
+extern bool log_parser_stats;
+extern bool log_planner_stats;
+extern bool log_executor_stats;
+extern bool log_statement_stats;
+extern bool log_btree_build_stats;
 
 extern bool Explain_pretty_print;