-- name: init_library &

--

-- Initializes the demo library

--

CREATE TABLE library (

book_author TEXT,

book_title TEXT,

loaned_to TEXT,

loaned_on DATETIME

);

INSERT INTO library (book_author, book_title) VALUES ('Jane Austen', 'Pride and Prejudice');

INSERT INTO library (book_author, book_title) VALUES ('Charlotte Bronte', 'Jane Eyre');

INSERT INTO library (book_author, book_title) VALUES ('Leo Tolstoy', 'War and Peace');

INSERT INTO library (book_author, book_title) VALUES ('Gustave Flaubert', 'Madame Bovary');

INSERT INTO library (book_author, book_title) VALUES ('George Eliot', 'Middlemarch');

INSERT INTO library (book_author, book_title) VALUES ('John Milton', 'Paradise Lost');

INSERT INTO library (book_author, book_title) VALUES ('Patrick O’Brian', 'Master and Commander');

INSERT INTO library (book_author, book_title) VALUES ('Margaret Mitchell', 'Gone With the Wind');

INSERT INTO library (book_author, book_title) VALUES ('Boris Pasternak', 'Doctor Zhivago');

INSERT INTO library (book_author, book_title) VALUES ('J. R. R. Tolkien', 'The Lord of the Rings');

INSERT INTO library (book_author, book_title) VALUES ('A. A Milne', 'Winnie the Pooh');

-- name: get_loaned_books ?

--

-- Returns the list of books loaned to a patron

--

-- # Parameters

--

-- param: user_id: &str - user ID

--

SELECT book_title

FROM library

WHERE loaned_to = :user_id

ORDER BY 1

-- name: loan_books!

--

-- Updates the book records to reflect loan to a patron

--

-- # Parameters

--

-- param: book_titles: &str - book titles

-- param: user_id: &str - user ID

--

UPDATE library

SET loaned_to = :user_id

, loaned_on = current_timestamp

WHERE book_title IN (:book_titles)