-- RoundCube Webmail update script for Postgres databases
-- Updates from version 0.1-stable to 0.1.1

CREATE INDEX cache_user_id_idx ON cache (user_id, cache_key);
CREATE INDEX contacts_user_id_idx ON contacts (user_id);
CREATE INDEX identities_user_id_idx ON identities (user_id);

CREATE INDEX users_username_id_idx ON users (username);
CREATE INDEX users_alias_id_idx ON users (alias);

-- added ON DELETE/UPDATE actions
ALTER TABLE messages DROP CONSTRAINT messages_user_id_fkey;
ALTER TABLE messages ADD FOREIGN KEY (user_id) REFERENCES users(user_id) ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE identities DROP CONSTRAINT identities_user_id_fkey;
ALTER TABLE identities ADD FOREIGN KEY (user_id) REFERENCES users(user_id) ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE contacts DROP CONSTRAINT contacts_user_id_fkey;
ALTER TABLE contacts ADD FOREIGN KEY (user_id) REFERENCES users(user_id) ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE cache DROP CONSTRAINT cache_user_id_fkey;
ALTER TABLE cache ADD FOREIGN KEY (user_id) REFERENCES users(user_id) ON DELETE CASCADE ON UPDATE CASCADE;

-- Updates from version 0.2-alpha

CREATE INDEX messages_created_idx ON messages (created);

-- Updates from version 0.2-beta

ALTER TABLE cache DROP session_id;

CREATE INDEX session_changed_idx ON session (changed);
CREATE INDEX cache_created_idx ON "cache" (created);

ALTER TABLE users ALTER "language" DROP NOT NULL;
ALTER TABLE users ALTER "language" DROP DEFAULT;

ALTER TABLE identities ALTER del TYPE smallint;
ALTER TABLE identities ALTER standard TYPE smallint;
ALTER TABLE contacts ALTER del TYPE smallint;
ALTER TABLE messages ALTER del TYPE smallint;

-- Updates from version 0.3-stable

CREATE INDEX messages_index_idx ON messages (user_id, cache_key, idx);
TRUNCATE messages;
DROP INDEX contacts_user_id_idx;
CREATE INDEX contacts_user_id_idx ON contacts (user_id, email);
