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https://github.com/flibusta-apps/book_library_server.git
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Bulat Kurbanov
c60aa8685b
Enable sqlx "migrate" feature and add SQL migrations to create the database schema: pg_trgm extension, sources, genres, authors, sequences, books, junction tables, annotations, and supporting indexes
14 lines
642 B
SQL
14 lines
642 B
SQL
-- Create book_genres junction table
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CREATE TABLE IF NOT EXISTS book_genres (
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id SERIAL PRIMARY KEY,
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genre INTEGER NOT NULL,
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book INTEGER NOT NULL,
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CONSTRAINT uc_book_genres_book_genre UNIQUE (book, genre),
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CONSTRAINT fk_book_genres_genres_genre_id FOREIGN KEY (genre) REFERENCES genres(id) ON UPDATE CASCADE ON DELETE CASCADE,
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CONSTRAINT fk_book_genres_books_book_id FOREIGN KEY (book) REFERENCES books(id) ON UPDATE CASCADE ON DELETE CASCADE
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);
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-- Create indexes for book_genres
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CREATE INDEX IF NOT EXISTS book_genres_genre ON book_genres (genre);
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CREATE INDEX IF NOT EXISTS book_genres_book ON book_genres (book);
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