adapt queries in README to new schema

diff --git a/README b/README
index 44b086a..b0e06f3 100644 (file)
--- a/README
+++ b/README
@@ -43,12 +43,12 @@ Finding the 100 largest files shared with multiple packages.
 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 hash, sum(size)-min(size), count(*), count(distinct pid) FROM content JOIN hash ON content.id = hash.cid JOIN function ON hash.fid = function.id WHERE function.name = "sha512" GROUP BY hash ORDER BY sum(size)-min(size) DESC LIMIT 100;
 
 Finding PNG images that do not carry a .png file extension.
 
-    SELECT package.name, content.filename, content.size FROM content JOIN hash ON content.id = hash.cid JOIN package ON content.pid = package.id WHERE function = "image_sha512" AND filename NOT LIKE "%.png";
+    SELECT package.name, content.filename, content.size FROM content JOIN hash ON content.id = hash.cid JOIN package ON content.pid = package.id JOIN function ON hash.fid = function.id WHERE function.name = "image_sha512" AND filename NOT LIKE "%.png";
 
 Finding .gz files which either are not gziped or contain errors.
 
-    SELECT package.name, content.filename FROM content JOIN package ON content.pid = package.id WHERE filename LIKE "%.gz" AND (SELECT count(*) FROM hash WHERE hash.cid = content.id AND hash.function = "gzip_sha512") = 0;
+    SELECT package.name, content.filename FROM content JOIN package ON content.pid = package.id WHERE filename LIKE "%.gz" AND (SELECT count(*) FROM hash JOIN function ON hash.fid = function.id WHERE hash.cid = content.id AND function.name = "gzip_sha512") = 0;