CREATE TABLE whitelist (domain TEXT UNIQUE NOT NULL, enabled BOOLEAN DEFAULT 1, comment TEXT, dateadded DATETIME);
CREATE TABLE blacklist (domain TEXT UNIQUE NOT NULL, enabled BOOLEAN DEFAULT 1, comment TEXT, dateadded DATETIME);
CREATE TABLE regex     (domain TEXT UNIQUE NOT NULL, enabled BOOLEAN DEFAULT 1, comment TEXT, dateadded DATETIME);
CREATE TABLE gravity   (domain TEXT UNIQUE NOT NULL);

CREATE VIEW vw_gravity AS SELECT DISTINCT a.domain
FROM gravity a
WHERE a.domain NOT IN (SELECT domain from whitelist WHERE enabled == 1);

CREATE VIEW vw_blacklist AS SELECT DISTINCT a.domain
FROM blacklist a
WHERE a.enabled == 1 AND
      a.domain NOT IN (SELECT domain from whitelist WHERE enabled == 1);

CREATE VIEW vw_whitelist AS SELECT DISTINCT a.domain
FROM whitelist a
WHERE a.enabled == 1;

CREATE VIEW vw_regex AS SELECT DISTINCT a.domain
FROM regex a
WHERE a.enabled == 1;