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unsafe projection
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OpenJDK 64-Bit Server VM 1.8.0_222-b10 on Linux 3.10.0-862.3.2.el7.x86_64
Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
unsafe projection:                        Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
single long                                        2173           2173           0        123.5           8.1       1.0X
single nullable long                               3156           3157           2         85.0          11.8       0.7X
7 primitive types                                  6725           6726           2         39.9          25.1       0.3X
7 nullable primitive types                        11399          11400           2         23.5          42.5       0.2X


