sql: add 1k row benchmarks
sql: add 1k row benchmarks

Some recent changes spculated that they'd have bigger or different impact on larger
numbers of rows, so adding 1k versions of our existing 1, 10, 100 benchmarks.

name                    time/op
Delete1000_Cockroach-8   136ms ±10%
Delete100_Cockroach-8   12.1ms ± 2%
Insert1000_Cockroach-8  31.2ms ± 3%
Insert100_Cockroach-8   3.22ms ± 0%
Scan1000_Cockroach-8     522µs ± 2%
Scan100_Cockroach-8      526µs ± 1%
Update1000_Cockroach-8  57.7ms ± 5%
Update100_Cockroach-8   6.08ms ± 1%

name                    alloc/op
Delete1000_Cockroach-8  4.36MB ± 0%
Delete100_Cockroach-8    488kB ± 0%
Insert1000_Cockroach-8  3.95MB ± 1%
Insert100_Cockroach-8    446kB ± 0%
Scan1000_Cockroach-8    41.6kB ± 0%
Scan100_Cockroach-8     41.6kB ± 0%
Update1000_Cockroach-8  6.04MB ± 1%
Update100_Cockroach-8    685kB ± 0%

name                    allocs/op
Delete1000_Cockroach-8   64.8k ± 0%
Delete100_Cockroach-8    6.80k ± 0%
Insert1000_Cockroach-8   44.7k ± 0%
Insert100_Cockroach-8    4.70k ± 0%
Scan1000_Cockroach-8       968 ± 0%
Scan100_Cockroach-8        968 ± 0%
Update1000_Cockroach-8   66.0k ± 1%
Update100_Cockroach-8    7.30k ± 0%

nieyy/cockroach,veteranlu/cockroach,cuongdo/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,cuongdo/cockroach,cockroachdb/cockroach,arjun4084346/cockroach,petermattis/cockroach,petermattis/cockroach,vivekmenezes/cockroach,maxlang/cockroach,nieyy/cockroach,arjun4084346/cockroach,nieyy/cockroach,arjun4084346/cockroach,glycerine/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,maxlang/cockroach,vivekmenezes/cockroach,vivekmenezes/cockroach,vaibhavarora/cockroach,petermattis/cockroach,veteranlu/cockroach,paperstreet/cockroach,sunya123/cockroach,nieyy/cockroach,petermattis/cockroach,veteranlu/cockroach,bg451/cockroach,vivekmenezes/cockroach,bg451/cockroach,sunya123/cockroach,sunya123/cockroach,petermattis/cockroach,vivekmenezes/cockroach,petermattis/cockroach,veteranlu/cockroach,cuongdo/cockroach,vivekmenezes/cockroach,glycerine/cockroach,cockroachdb/cockroach,arjun4084346/cockroach,glycerine/cockroach,maxlang/cockroach,sunya123/cockroach,cockroachdb/cockroach,cockroachdb/cockroach,bg451/cockroach,sunya123/cockroach,vivekmenezes/cockroach,glycerine/cockroach,nieyy/cockroach,maxlang/cockroach,arjun4084346/cockroach,sunya123/cockroach,maxlang/cockroach,maxlang/cockroach,cuongdo/cockroach,vivekmenezes/cockroach,petermattis/cockroach,bg451/cockroach,maxlang/cockroach,bg451/cockroach,cockroachdb/cockroach,paperstreet/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,cockroachdb/cockroach,paperstreet/cockroach,maxlang/cockroach,sunya123/cockroach,cockroachdb/cockroach,nieyy/cockroach,veteranlu/cockroach,cuongdo/cockroach,arjun4084346/cockroach,bg451/cockroach,bg451/cockroach,arjun4084346/cockroach,cockroachdb/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,glycerine/cockroach,veteranlu/cockroach,cuongdo/cockroach,sunya123/cockroach,petermattis/cockroach,arjun4084346/cockroach,paperstreet/cockroach,glycerine/cockroach,glycerine/cockroach,nieyy/cockroach,vaibhavarora/cockroach,cuongdo/cockroach,paperstreet/cockroach,cuongdo/cockroach,nieyy/cockroach,vaibhavarora/cockroach,glycerine/cockroach