================================================================================================ datetime +/- interval ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz datetime +/- interval: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date + interval(m) 1638 1701 89 6.1 163.8 1.0X date + interval(m, d) 1785 1790 7 5.6 178.5 0.9X date + interval(m, d, ms) 6229 6270 58 1.6 622.9 0.3X date - interval(m) 1500 1503 4 6.7 150.0 1.1X date - interval(m, d) 1764 1766 3 5.7 176.4 0.9X date - interval(m, d, ms) 6428 6446 25 1.6 642.8 0.3X timestamp + interval(m) 2719 2722 4 3.7 271.9 0.6X timestamp + interval(m, d) 3011 3021 14 3.3 301.1 0.5X timestamp + interval(m, d, ms) 3405 3412 9 2.9 340.5 0.5X timestamp - interval(m) 2759 2764 7 3.6 275.9 0.6X timestamp - interval(m, d) 3094 3112 25 3.2 309.4 0.5X timestamp - interval(m, d, ms) 3388 3392 5 3.0 338.8 0.5X ================================================================================================ Extract components ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz cast to timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ cast to timestamp wholestage off 319 323 6 31.4 31.9 1.0X cast to timestamp wholestage on 304 311 8 32.9 30.4 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz year of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ year of timestamp wholestage off 1234 1239 6 8.1 123.4 1.0X year of timestamp wholestage on 1229 1244 22 8.1 122.9 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz quarter of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ quarter of timestamp wholestage off 1440 1445 7 6.9 144.0 1.0X quarter of timestamp wholestage on 1358 1361 3 7.4 135.8 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz month of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ month of timestamp wholestage off 1239 1240 1 8.1 123.9 1.0X month of timestamp wholestage on 1221 1239 26 8.2 122.1 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz weekofyear of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ weekofyear of timestamp wholestage off 1926 1934 11 5.2 192.6 1.0X weekofyear of timestamp wholestage on 1901 1911 10 5.3 190.1 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz day of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ day of timestamp wholestage off 1225 1229 6 8.2 122.5 1.0X day of timestamp wholestage on 1217 1225 7 8.2 121.7 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz dayofyear of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ dayofyear of timestamp wholestage off 1290 1295 7 7.8 129.0 1.0X dayofyear of timestamp wholestage on 1262 1270 7 7.9 126.2 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz dayofmonth of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ dayofmonth of timestamp wholestage off 1239 1239 1 8.1 123.9 1.0X dayofmonth of timestamp wholestage on 1215 1222 8 8.2 121.5 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz dayofweek of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ dayofweek of timestamp wholestage off 1421 1422 2 7.0 142.1 1.0X dayofweek of timestamp wholestage on 1379 1388 8 7.3 137.9 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz weekday of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ weekday of timestamp wholestage off 1349 1351 2 7.4 134.9 1.0X weekday of timestamp wholestage on 1320 1327 8 7.6 132.0 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz hour of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ hour of timestamp wholestage off 1024 1024 0 9.8 102.4 1.0X hour of timestamp wholestage on 921 929 11 10.9 92.1 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz minute of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ minute of timestamp wholestage off 977 982 6 10.2 97.7 1.0X minute of timestamp wholestage on 927 929 2 10.8 92.7 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz second of timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ second of timestamp wholestage off 987 989 3 10.1 98.7 1.0X second of timestamp wholestage on 923 926 5 10.8 92.3 1.1X ================================================================================================ Current date and time ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz current_date: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ current_date wholestage off 303 311 12 33.0 30.3 1.0X current_date wholestage on 266 271 5 37.5 26.6 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz current_timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ current_timestamp wholestage off 297 297 1 33.7 29.7 1.0X current_timestamp wholestage on 264 272 7 37.8 26.4 1.1X ================================================================================================ Date arithmetic ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz cast to date: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ cast to date wholestage off 1062 1063 2 9.4 106.2 1.0X cast to date wholestage on 1007 1021 20 9.9 100.7 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz last_day: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ last_day wholestage off 1262 1265 5 7.9 126.2 1.0X last_day wholestage on 1244 1256 14 8.0 124.4 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz next_day: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ next_day wholestage off 1119 1121 2 8.9 111.9 1.0X next_day wholestage on 1057 1063 6 9.5 105.7 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_add: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_add wholestage off 1054 1059 7 9.5 105.4 1.0X date_add wholestage on 1037 1069 52 9.6 103.7 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_sub: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_sub wholestage off 1054 1056 4 9.5 105.4 1.0X date_sub wholestage on 1036 1040 4 9.7 103.6 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz add_months: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ add_months wholestage off 1408 1421 19 7.1 140.8 1.0X add_months wholestage on 1434 1440 7 7.0 143.4 1.0X ================================================================================================ Formatting dates ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz format date: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ format date wholestage off 5937 6169 328 1.7 593.7 1.0X format date wholestage on 5836 5878 74 1.7 583.6 1.0X ================================================================================================ Formatting timestamps ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz from_unixtime: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ from_unixtime wholestage off 8904 8914 14 1.1 890.4 1.0X from_unixtime wholestage on 8918 8936 13 1.1 891.8 1.0X ================================================================================================ Convert timestamps ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz from_utc_timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ from_utc_timestamp wholestage off 1110 1112 3 9.0 111.0 1.0X from_utc_timestamp wholestage on 1115 1119 3 9.0 111.5 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz to_utc_timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ to_utc_timestamp wholestage off 1524 1525 1 6.6 152.4 1.0X to_utc_timestamp wholestage on 1450 1458 14 6.9 145.0 1.1X ================================================================================================ Intervals ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz cast interval: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ cast interval wholestage off 341 342 1 29.3 34.1 1.0X cast interval wholestage on 285 294 7 35.1 28.5 1.2X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz datediff: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ datediff wholestage off 1874 1881 10 5.3 187.4 1.0X datediff wholestage on 1785 1791 3 5.6 178.5 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz months_between: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ months_between wholestage off 5038 5042 5 2.0 503.8 1.0X months_between wholestage on 4979 4987 8 2.0 497.9 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz window: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ window wholestage off 1716 1841 177 0.6 1716.2 1.0X window wholestage on 46024 46063 27 0.0 46024.1 0.0X ================================================================================================ Truncation ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc YEAR: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc YEAR wholestage off 2428 2429 2 4.1 242.8 1.0X date_trunc YEAR wholestage on 2451 2469 12 4.1 245.1 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc YYYY: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc YYYY wholestage off 2423 2426 3 4.1 242.3 1.0X date_trunc YYYY wholestage on 2454 2462 8 4.1 245.4 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc YY: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc YY wholestage off 2421 2441 28 4.1 242.1 1.0X date_trunc YY wholestage on 2453 2461 9 4.1 245.3 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc MON: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc MON wholestage off 2425 2427 3 4.1 242.5 1.0X date_trunc MON wholestage on 2431 2438 9 4.1 243.1 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc MONTH: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc MONTH wholestage off 2427 2433 8 4.1 242.7 1.0X date_trunc MONTH wholestage on 2429 2435 4 4.1 242.9 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc MM: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc MM wholestage off 2425 2431 9 4.1 242.5 1.0X date_trunc MM wholestage on 2430 2435 4 4.1 243.0 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc DAY: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc DAY wholestage off 2117 2119 4 4.7 211.7 1.0X date_trunc DAY wholestage on 2036 2118 174 4.9 203.6 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc DD: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc DD wholestage off 2116 2119 5 4.7 211.6 1.0X date_trunc DD wholestage on 2035 2043 10 4.9 203.5 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc HOUR: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc HOUR wholestage off 2013 2014 2 5.0 201.3 1.0X date_trunc HOUR wholestage on 2077 2088 13 4.8 207.7 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc MINUTE: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc MINUTE wholestage off 363 368 8 27.6 36.3 1.0X date_trunc MINUTE wholestage on 321 326 7 31.2 32.1 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc SECOND: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc SECOND wholestage off 365 366 0 27.4 36.5 1.0X date_trunc SECOND wholestage on 319 332 16 31.4 31.9 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc WEEK: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc WEEK wholestage off 2371 2376 7 4.2 237.1 1.0X date_trunc WEEK wholestage on 2314 2322 8 4.3 231.4 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz date_trunc QUARTER: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ date_trunc QUARTER wholestage off 3334 3335 1 3.0 333.4 1.0X date_trunc QUARTER wholestage on 3286 3291 7 3.0 328.6 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz trunc year: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ trunc year wholestage off 303 304 2 33.0 30.3 1.0X trunc year wholestage on 283 291 5 35.3 28.3 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz trunc yyyy: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ trunc yyyy wholestage off 324 330 8 30.9 32.4 1.0X trunc yyyy wholestage on 283 291 9 35.3 28.3 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz trunc yy: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ trunc yy wholestage off 304 305 3 32.9 30.4 1.0X trunc yy wholestage on 283 302 28 35.3 28.3 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz trunc mon: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ trunc mon wholestage off 315 319 6 31.7 31.5 1.0X trunc mon wholestage on 284 287 5 35.3 28.4 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz trunc month: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ trunc month wholestage off 305 314 13 32.8 30.5 1.0X trunc month wholestage on 283 292 14 35.3 28.3 1.1X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz trunc mm: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ trunc mm wholestage off 301 301 0 33.2 30.1 1.0X trunc mm wholestage on 285 290 7 35.1 28.5 1.1X ================================================================================================ Parsing ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz to timestamp str: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ to timestamp str wholestage off 218 220 3 4.6 218.4 1.0X to timestamp str wholestage on 213 216 6 4.7 212.5 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz to_timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ to_timestamp wholestage off 1838 1842 5 0.5 1838.1 1.0X to_timestamp wholestage on 1952 1971 11 0.5 1952.2 0.9X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz to_unix_timestamp: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ to_unix_timestamp wholestage off 1987 1988 1 0.5 1986.9 1.0X to_unix_timestamp wholestage on 1944 1948 3 0.5 1944.2 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz to date str: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ to date str wholestage off 263 264 0 3.8 263.5 1.0X to date str wholestage on 263 265 2 3.8 262.6 1.0X OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz to_date: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ to_date wholestage off 3560 3567 11 0.3 3559.7 1.0X to_date wholestage on 3525 3534 10 0.3 3524.8 1.0X ================================================================================================ Conversion from/to external types ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_252-8u252-b09-1~18.04-b09 on Linux 4.15.0-1063-aws Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz To/from Java's date-time: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ From java.sql.Date 405 416 16 12.3 81.0 1.0X From java.time.LocalDate 344 352 14 14.5 68.8 1.2X Collect java.sql.Date 1622 2553 1372 3.1 324.4 0.2X Collect java.time.LocalDate 1464 1482 20 3.4 292.8 0.3X From java.sql.Timestamp 248 258 15 20.2 49.6 1.6X From java.time.Instant 237 243 7 21.1 47.4 1.7X Collect longs 1252 1341 109 4.0 250.5 0.3X Collect java.sql.Timestamp 1515 1516 2 3.3 302.9 0.3X Collect java.time.Instant 1379 1490 96 3.6 275.8 0.3X