Database: Rename the tables to better match the userfacing strings

hammond-data/migrations/2018-06-30-150717_rename_tables/down.sql

@@ -0,0 +1,40 @@
+ALTER TABLE episodes RENAME TO old_table;
+ALTER TABLE shows RENAME TO podcast;
+
+CREATE TABLE episode (
+  title	TEXT NOT NULL,
+  uri	TEXT,
+  local_uri	TEXT,
+  description	TEXT,
+  epoch	INTEGER NOT NULL DEFAULT 0,
+  length	INTEGER,
+  duration	INTEGER,
+  guid	TEXT,
+  played	INTEGER,
+  podcast_id	INTEGER NOT NULL,
+  PRIMARY KEY (title, podcast_id)
+);
+
+INSERT INTO episode (
+  title,
+  uri,
+  local_uri,
+  description,
+  epoch,
+  length,
+  duration,
+  guid,
+  played,
+  podcast_id
+) SELECT title,
+  uri,
+  local_uri,
+  description,
+  epoch, length,
+  duration,
+  guid,
+  played,
+  show_id
+FROM old_table;
+
+Drop table old_table;

hammond-data/migrations/2018-06-30-150717_rename_tables/up.sql

@@ -0,0 +1,40 @@
+ALTER TABLE episode RENAME TO old_table;
+ALTER TABLE podcast RENAME TO shows;
+
+CREATE TABLE episodes (
+  title	TEXT NOT NULL,
+  uri	TEXT,
+  local_uri	TEXT,
+  description	TEXT,
+  epoch	INTEGER NOT NULL DEFAULT 0,
+  length	INTEGER,
+  duration	INTEGER,
+  guid	TEXT,
+  played	INTEGER,
+  show_id	INTEGER NOT NULL,
+  PRIMARY KEY (title, show_id)
+);
+
+INSERT INTO episodes (
+  title,
+  uri,
+  local_uri,
+  description,
+  epoch,
+  length,
+  duration,
+  guid,
+  played,
+  show_id
+) SELECT title,
+  uri,
+  local_uri,
+  description,
+  epoch, length,
+  duration,
+  guid,
+  played,
+  podcast_id
+FROM old_table;
+
+Drop table old_table;