Tema: Re: Performance test results (kb)
Data: 2010-08-12 16:32:54
1 Klaida oupute 3 testas su cast char, nucopypastijau ir nebuvau pakeites, nors rezultatai ir sql geras, cia pataisyta :) --------------------------------------------------------------------------------------------------- --- TESTS STARTING 1000000 of cycles --------------------------------------------------------------------------------------------------- method: cast(floor(cast(getdate() as float)) as datetime): 1313 /[2010-08-12 16:32:27.527]-[2010-08-12 16:32:28.840] method: DateAdd(dd, 0, DateDiff(dd, 0, getdate())): 1246 /[2010-08-12 16:32:28.840]-[2010-08-12 16:32:30.087] method: CAST(CONVERT(CHAR(10), getDate(), 25) AS DATETIME): 2370 /[2010-08-12 16:32:30.087]-[2010-08-12 16:32:32.457] --------------------------------------------------------------------------------------------------- Time in MS, FLOOR=1313ms, Datediff=1246ms, CAST CHAR=2370ms --------------------------------------------------------------------------------------------------- (1 row(s) affected) (1 row(s) affected) (1 row(s) affected) --------------------------------------------------------------------------------------------------- -- Best result is: select DateAdd(dd, 0, DateDiff(dd, 0, getDate())) ---------------------------------------------------------------------------------------------------
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