text: -- Roundcube Webmail initial database structure
  -- This was tested with Oracle 11g
  
  CREATE TABLE "users" (
      "user_id" integer PRIMARY KEY,
      "username" varchar(128) NOT NULL,
      "mail_host" varchar(128) NOT NULL,
      "created" timestamp with time zone DEFAULT current_timestamp NOT NULL,
      "last_login" timestamp with time zone DEFAULT NULL,
      "language" varchar(5),
      "preferences" long DEFAULT NULL,
      CONSTRAINT "users_username_key" UNIQUE ("username", "mail_host")
  );
  
  CREATE SEQUENCE "users_seq"
      START WITH 1 INCREMENT BY 1 NOMAXVALUE;
  
  CREATE TRIGGER "users_seq_trig"
  BEFORE INSERT ON "users" FOR EACH ROW
  BEGIN
      :NEW."user_id" := "users_seq".nextval;
  END;
  /
  
  CREATE TABLE "session" (
      "sess_id" varchar(128) NOT NULL PRIMARY KEY,
      "created" timestamp with time zone DEFAULT current_timestamp NOT NULL,
      "changed" timestamp with time zone DEFAULT current_timestamp NOT NULL,
      "ip" varchar(41) NOT NULL,
      "vars" long NOT NULL
  );
  
  CREATE INDEX "session_changed_idx" ON "session" ("changed");
  
  
  CREATE TABLE "identities" (
      "identity_id" integer PRIMARY KEY,
      "user_id" integer NOT NULL
          REFERENCES "users" ("user_id") ON DELETE CASCADE,
      "changed" timestamp with time zone DEFAULT current_timestamp NOT NULL,
      "del" smallint DEFAULT 0 NOT NULL,
      "standard" smallint DEFAULT 0 NOT NULL,
      "name" varchar(128) NOT NULL,
      "organization" varchar(128),
      "email" varchar(128) NOT NULL,
      "reply-to" varchar(128),
      "bcc" varchar(128),
      "signature" long,
      "html_signature" integer DEFAULT 0 NOT NULL
  );
  
  CREATE INDEX "identities_user_id_idx" ON "identities" ("user_id", "del");
  CREATE INDEX "identities_email_idx" ON "identities" ("email", "del");
  
  CREATE SEQUENCE "identities_seq"
      START WITH 1 INCREMENT BY 1 NOMAXVALUE;
  
  CREATE TRIGGER "identities_seq_trig"
  BEFORE INSERT ON "identities" FOR EACH ROW
  BEGIN
      :NEW."identity_id" := "identities_seq".nextval;
  END;
  /
  
  CREATE TABLE "contacts" (
      "contact_id" integer PRIMARY KEY,
      "user_id" integer NOT NULL
          REFERENCES "users" ("user_id") ON DELETE CASCADE,
      "changed" timestamp with time zone DEFAULT current_timestamp NOT NULL,
      "del" smallint DEFAULT 0 NOT NULL,
      "name" varchar(128) DEFAULT NULL,
      "email" varchar(4000) DEFAULT NULL,
      "firstname" varchar(128) DEFAULT NULL,
      "surname" varchar(128) DEFAULT NULL,
      "vcard" long,
      "words" varchar(4000)
  );
  
  CREATE INDEX "contacts_user_id_idx" ON "contacts" ("user_id", "del");
  
  CREATE SEQUENCE "contacts_seq"
      START WITH 1 INCREMENT BY 1 NOMAXVALUE;
  
  CREATE TRIGGER "contacts_seq_trig"
  BEFORE INSERT ON "contacts" FOR EACH ROW
  BEGIN
      :NEW."contact_id" := "contacts_seq".nextval;
  END;
  /
  
  CREATE TABLE "contactgroups" (
      "contactgroup_id" integer PRIMARY KEY,
      "user_id" integer NOT NULL
          REFERENCES "users" ("user_id") ON DELETE CASCADE,
      "changed" timestamp with time zone DEFAULT current_timestamp NOT NULL,
      "del" smallint DEFAULT 0 NOT NULL,
      "name" varchar(128) NOT NULL
  );
  
  CREATE INDEX "contactgroups_user_id_idx" ON "contactgroups" ("user_id", "del");
  
  CREATE SEQUENCE "contactgroups_seq"
      START WITH 1 INCREMENT BY 1 NOMAXVALUE;
  
  CREATE TRIGGER "contactgroups_seq_trig"
  BEFORE INSERT ON "contactgroups" FOR EACH ROW
  BEGIN
      :NEW."contactgroup_id" := "contactgroups_seq".nextval;
  END;
  /
  
  CREATE TABLE "contactgroupmembers" (
      "contactgroup_id" integer NOT NULL
          REFERENCES "contactgroups" ("contactgroup_id") ON DELETE CASCADE,
      "contact_id" integer NOT NULL
          REFERENCES "contacts" ("contact_id") ON DELETE CASCADE,
      "created" timestamp with time zone DEFAULT current_timestamp NOT NULL,
      PRIMARY KEY ("contactgroup_id", "contact_id")
  );
  
  CREATE INDEX "contactgroupmembers_idx" ON "contactgroupmembers" ("contact_id");
  
  
  CREATE TABLE "cache" (
      "user_id" integer NOT NULL
          REFERENCES "users" ("user_id") ON DELETE CASCADE,
      "cache_key" varchar(128) NOT NULL,
      "created" timestamp with time zone DEFAULT current_timestamp NOT NULL,
      "expires" timestamp with time zone DEFAULT NULL,
      "data" long NOT NULL
  );
  
  CREATE INDEX "cache_user_id_idx" ON "cache" ("user_id", "cache_key");
  CREATE INDEX "cache_expires_idx" ON "cache" ("expires");
  
  
  CREATE TABLE "cache_shared" (
      "cache_key" varchar(255) NOT NULL,
      "created" timestamp with time zone DEFAULT current_timestamp NOT NULL,
      "expires" timestamp with time zone DEFAULT NULL,
      "data" long NOT NULL
  );
  
  CREATE INDEX "cache_shared_cache_key_idx" ON "cache_shared" ("cache_key");
  CREATE INDEX "cache_shared_expires_idx" ON "cache_shared" ("expires");
  
  
  CREATE TABLE "cache_index" (
      "user_id" integer NOT NULL
          REFERENCES "users" ("user_id") ON DELETE CASCADE,
      "mailbox" varchar(255) NOT NULL,
      "expires" timestamp with time zone DEFAULT NULL,
      "valid" smallint DEFAULT 0 NOT NULL,
      "data" long NOT NULL,
      PRIMARY KEY ("user_id", "mailbox")
  );
  
  CREATE INDEX "cache_index_expires_idx" ON "cache_index" ("expires");
  
  
  CREATE TABLE "cache_thread" (
      "user_id" integer NOT NULL
          REFERENCES "users" ("user_id") ON DELETE CASCADE,
      "mailbox" varchar(255) NOT NULL,
      "expires" timestamp with time zone DEFAULT NULL,
      "data" long NOT NULL,
      PRIMARY KEY ("user_id", "mailbox")
  );
  
  CREATE INDEX "cache_thread_expires_idx" ON "cache_thread" ("expires");
  
  
  CREATE TABLE "cache_messages" (
      "user_id" integer NOT NULL
          REFERENCES "users" ("user_id") ON DELETE CASCADE,
      "mailbox" varchar(255) NOT NULL,
      "uid" integer NOT NULL,
      "expires" timestamp with time zone DEFAULT NULL,
      "data" long NOT NULL,
      "flags" integer DEFAULT 0 NOT NULL,
      PRIMARY KEY ("user_id", "mailbox", "uid")
  );
  
  CREATE INDEX "cache_messages_expires_idx" ON "cache_messages" ("expires");
  
  
  CREATE TABLE "dictionary" (
      "user_id" integer DEFAULT NULL
          REFERENCES "users" ("user_id") ON DELETE CASCADE,
      "language" varchar(5) NOT NULL,
      "data" long DEFAULT NULL,
      CONSTRAINT "dictionary_user_id_lang_key" UNIQUE ("user_id", "language")
  );
  
  
  CREATE TABLE "searches" (
      "search_id" integer PRIMARY KEY,
      "user_id" integer NOT NULL
          REFERENCES "users" ("user_id") ON DELETE CASCADE,
      "type" smallint DEFAULT 0 NOT NULL,
      "name" varchar(128) NOT NULL,
      "data" long NOT NULL,
      CONSTRAINT "searches_user_id_key" UNIQUE ("user_id", "type", "name")
  );
  
  CREATE SEQUENCE "searches_seq"
      START WITH 1 INCREMENT BY 1 NOMAXVALUE;
  
  CREATE TRIGGER "searches_seq_trig"
  BEFORE INSERT ON "searches" FOR EACH ROW
  BEGIN
      :NEW."search_id" := "searches_seq".nextval;
  END;
  /
  
  CREATE TABLE "system" (
      "name" varchar(64) NOT NULL PRIMARY KEY,
      "value" long
  );
  
  INSERT INTO "system" ("name", "value") VALUES ('roundcube-version', '2015030800');
  