create table results (wal_compression text, user_diff float, sys_diff float,
    pre_insert pg_lsn, pre_update pg_lsn, post_update pg_lsn);
insert into results values('zstd level=3 (default)', 25.218323, 0.475974,
    '1/2D3EB1E0'::pg_lsn, '1/4806BB20'::pg_lsn, '1/68B81018'::pg_lsn);
insert into results values('zstd level=0', 24.766077, 0.671740,
   '2/28191890'::pg_lsn, '2/42E12210'::pg_lsn, '2/638F6B38'::pg_lsn);
insert into results values('zstd level=20', 114.429589, 0.495938,
   '2/639031D0'::pg_lsn, '2/7E583B08'::pg_lsn, '2/9EDAC1C0'::pg_lsn);
insert into results values ('zlib level=1 (default)', 27.454397, 2.25989,
    '0/F18A9C70'::pg_lsn, '1/C52A5C8'::pg_lsn, '1/2D3DC800'::pg_lsn);
insert into results values('zlib level=9', 31.962234, 2.160444,
    '1/B0F00698'::pg_lsn, '1/CBB80FD0'::pg_lsn, '1/ECA34250'::pg_lsn);
insert into results values ('lz4 level=1', 24.219464, 0.427996,
    '0/B2E13650'::pg_lsn, '0/CDA93F88'::pg_lsn, '0/F189B230'::pg_lsn);
insert into results values('lz4 level=65535 (speed mode)', 24.154747, 0.524067,
    '1/68BCA150'::pg_lsn, '1/8384AA50'::pg_lsn, '1/B0EF36A8'::pg_lsn);
insert into results values ('off', 24.069323, 0.635622,
     '0/2C7DC220'::pg_lsn, '0/4745DB48'::pg_lsn, '0/74B062A8'::pg_lsn);
insert into results values ('pglz', 36.123642, 0.451949,
     '0/74B16660'::pg_lsn, '0/8F796F60'::pg_lsn, '0/B2E00B60'::pg_lsn);
select wal_compression, user_diff, sys_diff,
     pg_size_pretty(pre_update - pre_insert) as rel_size,
     pg_size_pretty(post_update -pre_update) as fpi_size from results
     order by 1;
