Revert to the pre-qless refactoring version

sql/pimp_db.sql

@@ -0,0 +1,36 @@
+
+create view orig_repos as
+    select id, name, full_name, html_url, description, last_seen
+    from repos
+    where not fork;
+
+create view fork_repos as
+    select id, name, full_name, html_url, description, last_seen
+    from repos
+    where fork
+
+create extension pg_trgm;
+
+create index ix_trgm_repos_description on
+    repos using gin (description gin_trgm_ops);
+
+create index ix_trgm_repos_full_name on
+    repos using gin (full_name gin_trgm_ops);
+
+create table repos_history (
+    ts          timestamp default current_timestamp,
+    repos       integer not null,
+    fork_repos  integer,
+    orig_repos  integer
+);
+
+create view repo_creations as
+    select today.ts :: date as date,
+           today.repos - yesterday.repos as repos,
+           today.fork_repos - yesterday.fork_repos as fork_repos,
+           today.orig_repos - yesterday.orig_repos as orig_repos
+    from repos_history today
+    join repos_history yesterday on
+         (yesterday.ts = (select max(ts)
+                          from repos_history
+                          where ts < today.ts));