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+-- Updates from version 0.6
+
+CREATE TABLE dictionary (
+ user_id integer DEFAULT NULL
+ REFERENCES users (user_id) ON DELETE CASCADE ON UPDATE CASCADE,
+ "language" varchar(5) NOT NULL,
+ data text NOT NULL,
+ CONSTRAINT dictionary_user_id_language_key UNIQUE (user_id, "language")
+);
+
+CREATE SEQUENCE search_ids
+ INCREMENT BY 1
+ NO MAXVALUE
+ NO MINVALUE
+ CACHE 1;
+
+CREATE TABLE searches (
+ search_id integer DEFAULT nextval('search_ids'::text) PRIMARY KEY,
+ user_id integer NOT NULL
+ REFERENCES users (user_id) ON DELETE CASCADE ON UPDATE CASCADE,
+ "type" smallint DEFAULT 0 NOT NULL,
+ name varchar(128) NOT NULL,
+ data text NOT NULL,
+ CONSTRAINT searches_user_id_key UNIQUE (user_id, "type", name)
+);
+
+DROP SEQUENCE message_ids;
+DROP TABLE messages;
+
+CREATE TABLE cache_index (
+ user_id integer NOT NULL
+ REFERENCES users (user_id) ON DELETE CASCADE ON UPDATE CASCADE,
+ mailbox varchar(255) NOT NULL,
+ changed timestamp with time zone DEFAULT now() NOT NULL,
+ valid smallint NOT NULL DEFAULT 0,
+ data text NOT NULL,
+ PRIMARY KEY (user_id, mailbox)
+);
+
+CREATE INDEX cache_index_changed_idx ON cache_index (changed);
+
+CREATE TABLE cache_thread (
+ user_id integer NOT NULL
+ REFERENCES users (user_id) ON DELETE CASCADE ON UPDATE CASCADE,
+ mailbox varchar(255) NOT NULL,
+ changed timestamp with time zone DEFAULT now() NOT NULL,
+ data text NOT NULL,
+ PRIMARY KEY (user_id, mailbox)
+);
+
+CREATE INDEX cache_thread_changed_idx ON cache_thread (changed);
+
+CREATE TABLE cache_messages (
+ user_id integer NOT NULL
+ REFERENCES users (user_id) ON DELETE CASCADE ON UPDATE CASCADE,
+ mailbox varchar(255) NOT NULL,
+ uid integer NOT NULL,
+ changed timestamp with time zone DEFAULT now() NOT NULL,
+ data text NOT NULL,
+ flags integer NOT NULL DEFAULT 0,
+ PRIMARY KEY (user_id, mailbox, uid)
+);
+
+CREATE INDEX cache_messages_changed_idx ON cache_messages (changed);