=== WITH PATCH ===

                                query                                |  rows   | avg_exe_time | std_dev_exe_time | min_exe_time | max_exe_time 
---------------------------------------------------------------------+---------+--------------+------------------+--------------+--------------
 select count(*) from fperf1                                         |       1 |     141.8686 |  4.4668353500495 |      138.903 |      152.241
 select c2, avg(c1) from fperf1 group by c2 having count(*) < 333334 |       2 |     405.7661 | 11.9403142844368 |      400.689 |      439.675
 select c2, sum(c1) from fperf1 group by c2                          |       3 |     363.2299 | 4.29278180851687 |      354.815 |      369.739
 select c3, avg(c1), sum(c2) from fperf1 group by c3                 |       5 |     454.4478 | 3.98680590057494 |      447.248 |      457.955
 select c4, avg(c1), sum(c2) from fperf1 group by c4                 |      10 |     501.0197 | 5.26951028823454 |      491.726 |      508.574
 select c5, avg(c1), sum(c2) from fperf1 group by c5                 |     100 |     490.0783 | 5.64261263462349 |       480.78 |      496.662
 select c6, avg(c1), sum(c2) from fperf1 group by c6                 |    1000 |     582.6842 |  9.9196984474776 |      564.425 |       592.69
 select c1%1, avg(c1), sum(c2) from fperf1 group by c1%1             |       1 |     901.1682 | 9.58382273302904 |      888.383 |      923.386
 select c1%10, avg(c1), sum(c2) from fperf1 group by c1%10           |      10 |    1032.1959 | 6.89087326268629 |     1018.598 |     1045.423
 select c1%100, avg(c1), sum(c2) from fperf1 group by c1%100         |     100 |    1076.3834 | 11.1022883947539 |     1061.305 |     1093.892
 select c1%1000, avg(c1), sum(c2) from fperf1 group by c1%1000       |    1000 |    1113.6001 | 11.2143472634172 |     1092.863 |     1133.007
 select c1%10000, avg(c1), sum(c2) from fperf1 group by c1%10000     |   10000 |    1182.1374 | 32.5953859659133 |     1148.961 |     1231.296
 select c1%100000, avg(c1), sum(c2) from fperf1 group by c1%100000   |  100000 |    1467.1811 | 14.3535175437048 |      1443.95 |     1485.645
 select c1%1000000, avg(c1), sum(c2) from fperf1 group by c1%1000000 | 1000000 |    5466.2306 | 633.367848489717 |     5127.339 |     7248.381
(14 rows)


=== WITHOUT PATCH ===

                                query                                |  rows   | avg_exe_time | std_dev_exe_time | min_exe_time | max_exe_time 
---------------------------------------------------------------------+---------+--------------+------------------+--------------+--------------
 select count(*) from fperf1                                         |       1 |    1674.5339 | 27.1549108570754 |     1637.345 |     1725.057
 select c2, avg(c1) from fperf1 group by c2 having count(*) < 333334 |       2 |    2467.8368 |  22.606929678949 |     2437.674 |     2506.438
 select c2, sum(c1) from fperf1 group by c2                          |       3 |      2387.39 | 34.3686766983568 |     2350.396 |     2444.313
 select c3, avg(c1), sum(c2) from fperf1 group by c3                 |       5 |    2702.3344 | 28.0312843452488 |     2665.317 |     2746.862
 select c4, avg(c1), sum(c2) from fperf1 group by c4                 |      10 |    2850.9818 | 42.5758532759606 |     2813.562 |     2946.991
 select c5, avg(c1), sum(c2) from fperf1 group by c5                 |     100 |    3519.9419 | 34.0792701064716 |     3473.709 |     3583.043
 select c6, avg(c1), sum(c2) from fperf1 group by c6                 |    1000 |    3030.4009 | 27.6855914248393 |     3008.713 |      3094.22
 select c1%1, avg(c1), sum(c2) from fperf1 group by c1%1             |       1 |    2577.7204 | 32.2177922141319 |     2551.266 |     2644.744
 select c1%10, avg(c1), sum(c2) from fperf1 group by c1%10           |      10 |    2615.7951 | 19.8623889434851 |     2592.613 |     2646.696
 select c1%100, avg(c1), sum(c2) from fperf1 group by c1%100         |     100 |    2611.5906 | 26.5091683017013 |     2578.586 |     2664.936
 select c1%1000, avg(c1), sum(c2) from fperf1 group by c1%1000       |    1000 |    2624.3797 | 18.1034474559238 |     2602.988 |     2665.453
 select c1%10000, avg(c1), sum(c2) from fperf1 group by c1%10000     |   10000 |    2702.8801 | 26.5523021159207 |      2663.27 |      2742.34
 select c1%100000, avg(c1), sum(c2) from fperf1 group by c1%100000   |  100000 |    3019.5939 | 34.1965254942112 |     2978.507 |     3076.033
 select c1%1000000, avg(c1), sum(c2) from fperf1 group by c1%1000000 | 1000000 |    4555.6334 | 46.5314774013736 |     4496.797 |     4647.332
(14 rows)