DROP TABLE IF EXISTS `oai_sets_descriptions`;
DROP TABLE IF EXISTS `oai_sets_mappings`;
DROP TABLE IF EXISTS `oai_sets_biblios`;
DROP TABLE IF EXISTS `oai_sets`;

CREATE TABLE `oai_sets` (
  `id` int(11) NOT NULL auto_increment,
  `spec` varchar(80) NOT NULL UNIQUE,
  `name` varchar(80) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE `oai_sets_descriptions` (
  `set_id` int(11) NOT NULL,
  `description` varchar(255) NOT NULL,
  CONSTRAINT `oai_sets_descriptions_ibfk_1` FOREIGN KEY (`set_id`) REFERENCES `oai_sets` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE `oai_sets_mappings` (
  `set_id` int(11) NOT NULL,
  `marcfield` char(3) NOT NULL,
  `marcsubfield` char(1) NOT NULL,
  `marcvalue` varchar(80) NOT NULL,
  CONSTRAINT `oai_sets_mappings_ibfk_1` FOREIGN KEY (`set_id`) REFERENCES `oai_sets` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE `oai_sets_biblios` (
  `biblionumber` int(11) NOT NULL,
  `set_id` int(11) NOT NULL,
  PRIMARY KEY (`biblionumber`, `set_id`),
  CONSTRAINT `oai_sets_biblios_ibfk_1` FOREIGN KEY (`biblionumber`) REFERENCES `biblio` (`biblionumber`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `oai_sets_biblios_ibfk_2` FOREIGN KEY (`set_id`) REFERENCES `oai_sets` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

INSERT INTO systempreferences (variable,value,explanation,options,type) VALUES('OAI-PMH:AutoUpdateSets','0','Automatically update OAI sets when a bibliographic record is created or updated','','YesNo');