@Override public BookModel selectBook(int id) { return create .select( BOOK.ID_BOOK, BOOK.TITLE, BOOK.SHORT_DESCRIPTION, BOOK.DATE_PUBLISH, PostgresDSL.arrayAgg( concat( AUTHOR.ID_AUTHOR, val(","), AUTHOR.FIRST_NAME, val(","), AUTHOR.SECOND_NAME)) .as("authors")) .from(AUTHOR) .join(AUTHOR_BOOK) .on(AUTHOR_BOOK.ID_AUTHOR.equal(AUTHOR.ID_AUTHOR)) .join(BOOK) .on(BOOK.ID_BOOK.equal(AUTHOR_BOOK.ID_BOOK)) .where(BOOK.STATUS.equal(true)) .and(BOOK.ID_BOOK.equal(id)) .groupBy(BOOK.ID_BOOK) .fetchOneInto(BookModel.class); }
@Override public List<BookModel> selectAll() { List<BookModel> books = create .select( BOOK.ID_BOOK, BOOK.TITLE, BOOK.SHORT_DESCRIPTION, BOOK.DATE_PUBLISH, PostgresDSL.arrayAgg(concat(AUTHOR.FIRST_NAME, val(" "), AUTHOR.SECOND_NAME)) .as("authors")) .from(AUTHOR) .join(AUTHOR_BOOK) .on(AUTHOR_BOOK.ID_AUTHOR.equal(AUTHOR.ID_AUTHOR)) .join(BOOK) .on(BOOK.ID_BOOK.equal(AUTHOR_BOOK.ID_BOOK)) .where(BOOK.STATUS.equal(true)) .groupBy(BOOK.ID_BOOK) .fetchInto(BookModel.class); logger.debug("Books: " + books); return books; }