SQLite format 3@ . QQ33Wtableenabled_previews_v1enabled_previews_v1CREATE TABLE enabled_previews_v1 (type INTEGER NOT NULL, version INTEGER NOT NULL, PRIMARY KEY(type))R##ktablepreviews_v1previews_v1CREATE TABLE previews_v1 (host_name VARCHAR NOT NULL, time INTEGER NOT NULL, opt_out INTEGER NOT NULL, type INTEGER NOT NULL, PRIMARY KEY(host_name, time DESC, opt_out, type))5I#indexsqlite_autoindex_previews_v1_1previews_v1