(data): Start migration v7 -> v8.

bot/constants.py

@@ -1,2 +1,2 @@
 CONFIG_FILE = "config/bot.conf"
-DATA_VERSION = 7
+DATA_VERSION = 8

data/migration/v7-v8/migration.sql

@@ -0,0 +1,18 @@
+ALTER TABLE guild_config ADD COLUMN pomodoro_channel BIGINT;
+
+-- Timer Data {{{
+create TABLE timers(
+  channelid BIGINT PRIMARY KEY,
+  guildid BIGINT NOT NULL REFERENCES guild_config (guildid),
+  text_channelid BIGINT,
+  focus_length INTEGER NOT NULL,
+  break_length INTEGER NOT NULL,
+  last_started TIMESTAMPTZ NOT NULL,
+  inactivity_threshold INTEGER,
+  channel_name TEXT,
+  pretty_name TEXT
+);
+CREATE INDEX timers_guilds ON timers (guildid);
+-- }}}
+
+INSERT INTO VersionHistory (version, author) VALUES (8, 'v7-v8 migration');

data/schema.sql

@@ -4,7 +4,7 @@ CREATE TABLE VersionHistory(
   time TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP NOT NULL,
   author TEXT
 );
-INSERT INTO VersionHistory (version, author) VALUES (7, 'Initial Creation');
+INSERT INTO VersionHistory (version, author) VALUES (8, 'Initial Creation');
 
 
 CREATE OR REPLACE FUNCTION update_timestamp_column()