Rename pq -> pg (postgres has no Q).

pg/dup.sql

@@ -0,0 +1,17 @@
+SELECT
+    count(f.path) AS Cnt,
+    f.hash AS Hash,
+    array_agg(distinct i.path) Paths
+FROM
+    files AS f
+INNER JOIN
+    files i
+ON
+    i.hash = f.hash
+GROUP BY
+    f.hash
+HAVING
+    count(f.path)>1
+ORDER BY
+    Cnt DESC
+;

pg/init.sql

@@ -0,0 +1,24 @@
+DROP TABLE files;
+DROP TABLE original;
+DROP TABLE person;
+
+CREATE TABLE files (
+    hash CHAR(40),
+    path TEXT
+);
+
+CREATE TABLE person (
+    uid SERIAL UNIQUE,
+    username TEXT,
+    name TEXT
+);
+
+INSERT INTO person (username, name) VALUES ('wathiede', 'Bill Thiede');
+
+CREATE TABLE original (
+    uid INTEGER REFERENCES person (uid),
+    hash CHAR(40) PRIMARY KEY,
+    header_size INTEGER,
+    total_size INTEGER,
+    blob BYTEA
+);