diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index 8a66ce79833..4806e77be7a 100644
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -2789,8 +2789,11 @@ testdb=> \setenv LESS -imx4F
\timing [ on | off ]
- Without parameter, toggles a display of how long each SQL statement
- takes, in milliseconds. With parameter, sets same.
+ With a parameter, turns displaying of how long each SQL statement
+ takes on or off. Without a parameter, toggles the display between
+ on and off. The display is in milliseconds; intervals longer than
+ 1 second are also shown in minutes:seconds format, with hours and
+ days fields added if needed.
diff --git a/src/bin/psql/common.c b/src/bin/psql/common.c
index 73999502847..a7789dfa53f 100644
--- a/src/bin/psql/common.c
+++ b/src/bin/psql/common.c
@@ -10,6 +10,7 @@
#include
#include
+#include
#include
#ifndef WIN32
#include /* for write() */
@@ -531,6 +532,57 @@ ClearOrSaveResult(PGresult *result)
}
+/*
+ * Print microtiming output. Always print raw milliseconds; if the interval
+ * is >= 1 second, also break it down into days/hours/minutes/seconds.
+ */
+static void
+PrintTiming(double elapsed_msec)
+{
+ double seconds;
+ double minutes;
+ double hours;
+ double days;
+
+ if (elapsed_msec < 1000.0)
+ {
+ /* This is the traditional (pre-v10) output format */
+ printf(_("Time: %.3f ms\n"), elapsed_msec);
+ return;
+ }
+
+ /*
+ * Note: we could print just seconds, in a format like %06.3f, when the
+ * total is less than 1min. But that's hard to interpret unless we tack
+ * on "s" or otherwise annotate it. Forcing the display to include
+ * minutes seems like a better solution.
+ */
+ seconds = elapsed_msec / 1000.0;
+ minutes = floor(seconds / 60.0);
+ seconds -= 60.0 * minutes;
+ if (minutes < 60.0)
+ {
+ printf(_("Time: %.3f ms (%02d:%06.3f)\n"),
+ elapsed_msec, (int) minutes, seconds);
+ return;
+ }
+
+ hours = floor(minutes / 60.0);
+ minutes -= 60.0 * hours;
+ if (hours < 24.0)
+ {
+ printf(_("Time: %.3f ms (%02d:%02d:%06.3f)\n"),
+ elapsed_msec, (int) hours, (int) minutes, seconds);
+ return;
+ }
+
+ days = floor(hours / 24.0);
+ hours -= 24.0 * days;
+ printf(_("Time: %.3f ms (%.0f d %02d:%02d:%06.3f)\n"),
+ elapsed_msec, days, (int) hours, (int) minutes, seconds);
+}
+
+
/*
* PSQLexec
*
@@ -679,7 +731,7 @@ PSQLexecWatch(const char *query, const printQueryOpt *opt)
/* Possible microtiming output */
if (pset.timing)
- printf(_("Time: %.3f ms\n"), elapsed_msec);
+ PrintTiming(elapsed_msec);
return 1;
}
@@ -1332,7 +1384,7 @@ SendQuery(const char *query)
/* Possible microtiming output */
if (pset.timing)
- printf(_("Time: %.3f ms\n"), elapsed_msec);
+ PrintTiming(elapsed_msec);
/* check for events that may occur during query execution */