Add \timing patch to psql. Times all queries.

Greg Sabino Mullane

doc/src/sgml/ref/psql-ref.sgml

@@ -1,5 +1,5 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.61 2001/12/08 03:24:38 thomas Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.62 2002/03/05 00:00:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -1119,6 +1119,16 @@ lo_import 152801
       </varlistentry>
 
 
+      <varlistentry>
+        <term><literal>\timing</literal>
+        <listitem>
+        <para>
+        Toggles a display of how long each query takes in seconds.
+        </para>
+        </listitem>
+      </varlistentry>
+
+
       <varlistentry>
         <term><literal>\w</literal> {<replaceable class="parameter">filename</replaceable> | <replaceable class="parameter">|command</replaceable>}</term>
         <listitem>

src/bin/psql/command.c

@@ -3,7 +3,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.66 2002/02/25 21:37:42 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.67 2002/03/05 00:01:00 momjian Exp $
  */
 #include "postgres_fe.h"
 #include "command.h"
@@ -715,6 +715,24 @@ exec_command(const char *cmd,
 		free(value);
 	}
 
+	/* \timing -- toggle timing of queries */
+	else if (strcmp(cmd, "timing") == 0)
+	{
+		pset.timing = !pset.timing;
+		if (!quiet)
+		{
+			if (pset.timing)
+			{
+				puts(gettext(("Timing is on.")));
+			}
+			else
+			{
+				puts(gettext(("Timing is off.")));
+
+			}
+		}
+	}
+  
 	/* \unset */
 	else if (strcmp(cmd, "unset") == 0)
 	{

src/bin/psql/common.c

@@ -3,7 +3,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/common.c,v 1.38 2001/11/05 17:46:30 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/common.c,v 1.39 2002/03/05 00:01:00 momjian Exp $
  */
 #include "postgres_fe.h"
 
@@ -11,6 +11,7 @@
 
 #include <errno.h>
 #include <stdarg.h>
+#include <sys/time.h>
 #ifdef HAVE_TERMIOS_H
 #include <termios.h>
 #endif
@@ -406,6 +407,8 @@ SendQuery(const char *query)
 	bool		success = false;
 	PGresult   *results;
 	PGnotify   *notify;
+	struct timeval before,after;
+	struct timezone tz;
 
 	if (!pset.db)
 	{
@@ -435,7 +438,15 @@ SendQuery(const char *query)
 	}
 
 	cancelConn = pset.db;
+	if (pset.timing)
+	{
+		gettimeofday(&before, &tz);
+	}
 	results = PQexec(pset.db, query);
+	if (pset.timing)
+	{
+		gettimeofday(&after, &tz);
+	}
 	if (PQresultStatus(results) == PGRES_COPY_IN)
 		copy_in_state = true;
 	/* keep cancel connection for copy out state */
@@ -565,5 +576,12 @@ SendQuery(const char *query)
 			PQclear(results);
   	}
 
+	/* Possible microtiming output */
+
+	if (pset.timing && success)
+	{
+		! 			printf(gettext("Total time: %.3fs\n"), ((after.tv_sec-before.tv_sec)*1000000 + after.tv_usec - before.tv_usec) / 1000000.0);
+	}
+
 	return success;
 }

src/bin/psql/help.c

@@ -3,7 +3,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/help.c,v 1.42 2001/10/25 05:49:54 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/help.c,v 1.43 2002/03/05 00:01:01 momjian Exp $
  */
 #include "postgres_fe.h"
 #include "help.h"
@@ -229,6 +229,8 @@ slashUsage(void)
 	fprintf(fout, _(" \\t             show only rows (currently %s)\n"),
 			ON(pset.popt.topt.tuples_only));
 	fprintf(fout, _(" \\T TEXT        set HTML table tag attributes\n"));
+	fprintf(fout, _(" \\timing        toggle timing of queries (currently %s)\n"),
+			ON(pset.timing));
 	fprintf(fout, _(" \\unset NAME    unset (delete) internal variable\n"));
 	fprintf(fout, _(" \\w FILENAME    write current query buffer to file\n"));
 	fprintf(fout, _(" \\x             toggle expanded output (currently %s)\n"),

src/bin/psql/settings.h

@@ -3,7 +3,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/settings.h,v 1.12 2001/10/28 06:25:58 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/settings.h,v 1.13 2002/03/05 00:01:02 momjian Exp $
  */
 #ifndef SETTINGS_H
 #define SETTINGS_H
@@ -50,6 +50,7 @@ typedef struct _psqlSettings
 
 	bool		issuper;		/* is the current user a superuser? (used
 								 * to form the prompt) */
+	bool		timing;			/* timing of all queries */
 } PsqlSettings;
 
 extern PsqlSettings pset;

src/bin/psql/tab-complete.c

@@ -3,7 +3,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/tab-complete.c,v 1.42 2002/03/02 21:39:34 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/tab-complete.c,v 1.43 2002/03/05 00:01:03 momjian Exp $
  */
 
 /*----------------------------------------------------------------------
@@ -276,8 +276,8 @@ psql_completion(char *text, int start, int end)
 		"\\e", "\\echo",
 		"\\encoding", "\\g", "\\h", "\\i", "\\l",
 		"\\lo_import", "\\lo_export", "\\lo_list", "\\lo_unlink",
-		"\\o", "\\p", "\\pset", "\\q", "\\qecho", "\\r", "\\set", "\\t", "\\unset",
+		"\\o", "\\p", "\\pset", "\\q", "\\qecho", "\\r", "\\set", "\\t",
-		"\\x", "\\w", "\\z", "\\!", NULL
+		"\\timing", "\\unset", "\\x", "\\w", "\\z", "\\!", NULL
 	};
 
 	(void) end;					/* not used */