Java HotSpot(TM) 64-Bit Server VM 1.8.0_202-b08 on Mac OS X 10.14.6 Intel(R) Core(TM) i7-4850HQ CPU @ 2.30GHz make_date(): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ prepare make_date() 2149 2289 196 46.5 21.5 1.0X make_date(2019, 9, 16) 1829 1868 58 54.7 18.3 1.2X make_date(*, *, *) 3180 3339 139 31.4 31.8 0.7X Java HotSpot(TM) 64-Bit Server VM 1.8.0_202-b08 on Mac OS X 10.14.6 Intel(R) Core(TM) i7-4850HQ CPU @ 2.30GHz make_timestamp(): Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ prepare make_timestamp() 2950 3025 96 0.3 2950.3 1.0X make_timestamp(2019, 1, 2, 3, 4, 50.123456) 45 47 1 22.1 45.2 65.3X make_timestamp(2019, 1, 2, 3, 4, 60.000000) 42 42 1 24.0 41.7 70.8X make_timestamp(2019, 12, 31, 23, 59, 60.00) 41 42 1 24.2 41.3 71.4X make_timestamp(*, *, *, 3, 4, 50.123456) 252 256 7 4.0 251.5 11.7X make_timestamp(*, *, *, *, *, 0) 225 227 3 4.5 224.6 13.1X make_timestamp(*, *, *, *, *, 60.0) 230 233 2 4.3 230.4 12.8X make_timestamp(2019, 1, 2, *, *, *) 3078 3118 35 0.3 3078.5 1.0X make_timestamp(*, *, *, *, *, *) 3092 3109 17 0.3 3092.4 1.0X