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Fix pgbench's calculation of average latency, when -T is not used.

If the test duration was given in # of transactions (-t or no option),rather as a duration (-T), the latency average was always printed as 0.It has been broken ever since the display of latency average was added,in 9.4.Fabien CoelhoDiscussion: <alpine.DEB.2.20.1607131015370.7486@sto>

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src/bin/pgbench
- pgbench.c

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`‎src/bin/pgbench/pgbench.c`

Lines changed: 2 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -2736,9 +2736,9 @@ printResults(int ttype, int64 normal_xacts, int nclients,`
`2736`	`2736`	`}`
`2737`	`2737`	`else`
`2738`	`2738`	`{`
`2739`		`-/only anaverage latency computed fromthe duration is available /`
	`2739`	`+/no measurement, showaverage latency computed fromrun time /`
`2740`	`2740`	`printf("latency average: %.3f ms\n",`
`2741`		`-1000.0durationnclients /normal_xacts);`
	`2741`	`+1000.0time_includenclients /normal_xacts);`
`2742`	`2742`	`}`
`2743`	`2743`
`2744`	`2744`	`if (throttle_delay)`

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Commitb93d374

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`‎src/bin/pgbench/pgbench.c`

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