Files
book_library_server/migrations/20260116092211_create_translations_table.sql
Bulat Kurbanov c60aa8685b Add DB migrations and run them on startup
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
2026-01-16 10:28:05 +01:00

15 lines
693 B
SQL

-- Create translations junction table
CREATE TABLE IF NOT EXISTS translations (
id SERIAL PRIMARY KEY,
position SMALLINT NOT NULL,
author INTEGER NOT NULL,
book INTEGER NOT NULL,
CONSTRAINT uc_translations_book_author UNIQUE (book, author),
CONSTRAINT fk_translations_authors_author_id FOREIGN KEY (author) REFERENCES authors(id) ON UPDATE CASCADE ON DELETE CASCADE,
CONSTRAINT fk_translations_books_book_id FOREIGN KEY (book) REFERENCES books(id) ON UPDATE CASCADE ON DELETE CASCADE
);
-- Create indexes for translations
CREATE INDEX IF NOT EXISTS translations_author ON translations (author);
CREATE INDEX IF NOT EXISTS translations_book ON translations (book);