*dbname* true false utf8 *dbprefix*opds_metadata id integer 0 true 11 updated timestamp 1970-01-01 00:00:00 false date text true 32 author text true 256 title text true 256 language text true 64 publisher text true 64 isbn text true 16 copyright text true 128 description text true 2048 subjects text true 1024