Fix flyway

booklore-api/src/main/resources/db/migration/V91__Refactor_book_and_book_alternative_files.sql

@@ -34,60 +34,6 @@ END
 WHERE is_book = 1
   AND book_type IS NULL;
 
-
--- Prevent duplicates of book files (is_book=true) by (library_id, library_path_id, file_sub_path, file_name)
--- MariaDB/MySQL do not support UNIQUE constraints across multiple tables, so we need to enforce via triggers.
-DELIMITER $$
-CREATE OR REPLACE PROCEDURE assert_no_duplicate_book_file(
-    IN p_book_file_id BIGINT,
-    IN p_book_id BIGINT,
-    IN p_file_name VARCHAR(1000),
-    IN p_file_sub_path VARCHAR(512),
-    IN p_is_book BOOLEAN
-)
-BEGIN
-    DECLARE v_library_id BIGINT;
-    DECLARE v_library_path_id BIGINT;
-
-    IF p_is_book = true THEN
-        SELECT b.library_id, b.library_path_id
-        INTO v_library_id, v_library_path_id
-        FROM book b
-        WHERE b.id = p_book_id;
-
-        IF v_library_id IS NOT NULL AND EXISTS (
-            SELECT 1
-            FROM book_file bf
-            INNER JOIN book b2 ON b2.id = bf.book_id
-            WHERE bf.is_book = true
-              AND bf.file_name = p_file_name
-              AND bf.file_sub_path = p_file_sub_path
-              AND b2.library_id = v_library_id
-              AND b2.library_path_id = v_library_path_id
-              AND (p_book_file_id IS NULL OR bf.id <> p_book_file_id)
-            LIMIT 1
-        ) THEN
-            SIGNAL SQLSTATE '45000'
-                SET MESSAGE_TEXT = 'Duplicate book file detected for library/path/subpath/name';
-        END IF;
-    END IF;
-END$$
-
-CREATE OR REPLACE TRIGGER trg_book_file_prevent_duplicate_book_insert
-BEFORE INSERT ON book_file
-FOR EACH ROW
-BEGIN
-    CALL assert_no_duplicate_book_file(NULL, NEW.book_id, NEW.file_name, NEW.file_sub_path, NEW.is_book);
-END$$
-
-CREATE OR REPLACE TRIGGER trg_book_file_prevent_duplicate_book_update
-BEFORE UPDATE ON book_file
-FOR EACH ROW
-BEGIN
-    CALL assert_no_duplicate_book_file(OLD.id, NEW.book_id, NEW.file_name, NEW.file_sub_path, NEW.is_book);
-END$$
-DELIMITER ;
-
 -- Regenerate virtual column for alternative book format files, create the index without UNIQUE constraint
 ALTER TABLE book_file ADD COLUMN alt_format_current_hash VARCHAR(128) AS (CASE WHEN is_book = true THEN current_hash END) STORED;
 ALTER TABLE book_file ADD INDEX idx_book_file_current_hash_alt_format (alt_format_current_hash);