*dbname* true false utf8 *dbprefix*opds_metadata id integer true true 11 updated timestamp 1970-01-01 00:00:00 false date text true 32 author text true 1024 title text true 512 language text true 64 publisher text true 256 isbn text true 16 copyright text true 265 description text true 4096 subjects text true 2048 cover text false 1024 rescan timestamp false opds_metadata_id_index id