CREATE TABLE pp_articles_additional_params ( id INT NOT NULL AUTO_INCREMENT, name VARCHAR(255) NOT NULL, display_name VARCHAR(255) NOT NULL, language INT NOT NULL DEFAULT '0', status INT NOT NULL DEFAULT '0', PRIMARY KEY (id)) ENGINE = InnoDB CHARSET=utf8 COLLATE utf8_polish_ci;
ALTER TABLE pp_articles_additional_params ADD type VARCHAR(255) NOT NULL AFTER display_name;
CREATE TABLE pp_articles_additional_values ( id INT NOT NULL AUTO_INCREMENT, param_id INT NOT NULL, value TEXT NOT NULL, language_id VARCHAR(5) NOT NULL, PRIMARY KEY (id)) ENGINE = InnoDB CHARSET=utf8 COLLATE utf8_polish_ci;
ALTER TABLE pp_articles_additional_values ADD INDEX(param_id);
ALTER TABLE pp_articles_additional_values ADD FOREIGN KEY (param_id) REFERENCES pp_articles_additional_params(id) ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE pp_articles_additional_values ADD article_id INT NOT NULL AFTER value;
ALTER TABLE pp_articles_additional_values ADD INDEX(article_id);
ALTER TABLE pp_articles_additional_values ADD FOREIGN KEY (article_id) REFERENCES pp_articles(id) ON DELETE CASCADE ON UPDATE CASCADE;
ALTER TABLE pp_articles_additional_values CHANGE language_id language_id VARCHAR(5) CHARACTER SET utf8 COLLATE utf8_polish_ci NULL DEFAULT NULL;