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Diffstat (limited to 'README')
| -rw-r--r-- | README | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -38,12 +38,12 @@ SQL database by hand. Here are some example queries. Finding the 100 largest files shared with multiple packages. - SELECT pa.name, a.filename, pb.name, b.filename, a.size FROM content AS a JOIN hash AS ha ON a.id = ha.cid JOIN hash AS hb ON ha.hash = hb.hash JOIN content AS b ON b.id = hb.cid JOIN package AS pa ON b.pid = pa.id JOIN package AS pb ON b.pid = pb.id WHERE (a.pid != b.pid OR a.filename != b.filename) ORDER BY a.size DESC LIMIT 100; + SELECT pa.name, a.filename, pb.name, b.filename, a.size FROM content AS a JOIN hash AS ha ON a.id = ha.cid JOIN hash AS hb ON ha.hid = hb.hid JOIN content AS b ON b.id = hb.cid JOIN package AS pa ON a.pid = pa.id JOIN package AS pb ON b.pid = pb.id WHERE (a.pid != b.pid OR a.filename != b.filename) ORDER BY a.size DESC LIMIT 100; Finding those top 100 files that save most space when being reduced to only one copy in the archive. - SELECT hash, sum(size)-min(size), count(*), count(distinct pid) FROM content JOIN hash ON content.id = hash.cid WHERE hash.function = "sha512" GROUP BY hash ORDER BY sum(size)-min(size) DESC LIMIT 100; + SELECT hashvalue.hash, sum(size)-min(size), count(*), count(distinct pid) FROM content JOIN hash ON content.id = hash.cid JOIN hashvalue ON hash.hid = hashvalue.id WHERE hash.function = "sha512" GROUP BY hash.hid ORDER BY sum(size)-min(size) DESC LIMIT 100; Finding PNG images that do not carry a .png file extension. |