Add crud-mysql module: Spring Boot 4.1 CRUD API on a real MySQL 8.4.6 with JPA, Flyway, validation and ProblemDetail errors

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01HhW8LD8r3EigoBaCGrQZx5 Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01HhW8LD8r3EigoBaCGrQZx5
2026-10-21 16:43:45 +00:00
parent ba709737de
commit 2996628ff1
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+# Create, read, list, update, delete against MySQL. Each block is the curl command, then the status line, the Location header if any, and the body. The test uses a random port; it is printed as 8080.
+
+
+--- create three books ---
+$ curl -i -X POST 'localhost:8080/api/books' -H 'Content-Type: application/json' -d '{"title":"Effective Java","author":"Joshua Bloch","isbn":"9780134685991","price":45.50}'
+HTTP 201   Location: http://localhost:8080/api/books/1
+{"id":1,"title":"Effective Java","author":"Joshua Bloch","isbn":"9780134685991","price":45.50}
+
+$ curl -i -X POST 'localhost:8080/api/books' -H 'Content-Type: application/json' -d '{"title":"Java Concurrency in Practice","author":"Brian Goetz","isbn":"9780321349606","price":39.99}'
+HTTP 201   Location: http://localhost:8080/api/books/2
+{"id":2,"title":"Java Concurrency in Practice","author":"Brian Goetz","isbn":"9780321349606","price":39.99}
+
+$ curl -i -X POST 'localhost:8080/api/books' -H 'Content-Type: application/json' -d '{"title":"Clean Code","author":"Robert Martin","isbn":"9780132350884","price":33.00}'
+HTTP 201   Location: http://localhost:8080/api/books/3
+{"id":3,"title":"Clean Code","author":"Robert Martin","isbn":"9780132350884","price":33.00}
+
+
+--- read one ---
+$ curl -i -X GET 'localhost:8080/api/books/1'
+HTTP 200
+{"id":1,"title":"Effective Java","author":"Joshua Bloch","isbn":"9780134685991","price":45.50}
+
+
+--- list, two per page ---
+$ curl -i -X GET 'localhost:8080/api/books?page=0&size=2'
+HTTP 200
+{"content":[{"id":1,"title":"Effective Java","author":"Joshua Bloch","isbn":"9780134685991","price":45.50},{"id":2,"title":"Java Concurrency in Practice","author":"Brian Goetz","isbn":"9780321349606","price":39.99}],"page":0,"size":2,"totalElements":3,"totalPages":2}
+
+$ curl -i -X GET 'localhost:8080/api/books?page=1&size=2'
+HTTP 200
+{"content":[{"id":3,"title":"Clean Code","author":"Robert Martin","isbn":"9780132350884","price":33.00}],"page":1,"size":2,"totalElements":3,"totalPages":2}
+
+
+--- filter by author ---
+$ curl -i -X GET 'localhost:8080/api/books?author=goetz'
+HTTP 200
+{"content":[{"id":2,"title":"Java Concurrency in Practice","author":"Brian Goetz","isbn":"9780321349606","price":39.99}],"page":0,"size":5,"totalElements":1,"totalPages":1}
+
+
+--- update the price ---
+$ curl -i -X PUT 'localhost:8080/api/books/1' -H 'Content-Type: application/json' -d '{"title":"Effective Java","author":"Joshua Bloch","isbn":"9780134685991","price":42.00}'
+HTTP 200
+{"id":1,"title":"Effective Java","author":"Joshua Bloch","isbn":"9780134685991","price":42.00}
+
+
+--- delete, then ask for it again ---
+$ curl -i -X DELETE 'localhost:8080/api/books/3'
+HTTP 204
+
+$ curl -i -X GET 'localhost:8080/api/books/3'
+HTTP 404
+{"detail":"Book 3 not found","instance":"/api/books/3","status":404,"title":"Not Found"}
+
+
+--- what is in the table now (read with SQL, not through the API) ---
+id=1 title=Effective Java price=42.00
+id=2 title=Java Concurrency in Practice price=39.99