s0wlz (Matthias Puchstein)
4aea0f4427
- Add IF NOT EXISTS to all migration DDL for idempotency - Support PORT env var in backend (for compose flexibility) - Support HOST_PORT env var in docker-compose - Improve seed-demo to apply migrations before seeding - Gitignore .claude/ session cache
80 lines
2.9 KiB
SQL
80 lines
2.9 KiB
SQL
CREATE TABLE IF NOT EXISTS courses (
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id INTEGER PRIMARY KEY,
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name TEXT NOT NULL,
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semester TEXT NOT NULL
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);
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CREATE TABLE IF NOT EXISTS tutors (
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id INTEGER PRIMARY KEY,
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name TEXT NOT NULL,
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email TEXT UNIQUE NOT NULL,
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password_hash TEXT NOT NULL
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);
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CREATE TABLE IF NOT EXISTS tutor_courses (
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tutor_id INTEGER NOT NULL REFERENCES tutors(id),
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course_id INTEGER NOT NULL REFERENCES courses(id),
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PRIMARY KEY (tutor_id, course_id)
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);
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CREATE TABLE IF NOT EXISTS students (
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id INTEGER PRIMARY KEY,
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course_id INTEGER NOT NULL REFERENCES courses(id),
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name TEXT NOT NULL
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);
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CREATE TABLE IF NOT EXISTS rooms (
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id INTEGER PRIMARY KEY,
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name TEXT NOT NULL,
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layout_json TEXT NOT NULL
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);
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CREATE TABLE IF NOT EXISTS sessions (
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id INTEGER PRIMARY KEY,
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course_id INTEGER NOT NULL REFERENCES courses(id),
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week_nr INTEGER NOT NULL,
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date TEXT NOT NULL CHECK (date GLOB '????-??-??'),
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UNIQUE(course_id, week_nr)
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);
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CREATE TABLE IF NOT EXISTS slots (
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id INTEGER PRIMARY KEY,
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session_id INTEGER NOT NULL REFERENCES sessions(id),
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room_id INTEGER REFERENCES rooms(id),
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tutor_id INTEGER NOT NULL REFERENCES tutors(id),
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start_time TEXT NOT NULL CHECK (start_time GLOB '??:??'),
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end_time TEXT NOT NULL CHECK (end_time GLOB '??:??'),
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status TEXT NOT NULL DEFAULT 'closed' CHECK (status IN ('closed','open','locked')),
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code TEXT UNIQUE
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);
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CREATE TABLE IF NOT EXISTS attendances (
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id INTEGER PRIMARY KEY,
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slot_id INTEGER NOT NULL REFERENCES slots(id),
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student_id INTEGER NOT NULL REFERENCES students(id),
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seat_id TEXT,
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checked_in_at TEXT NOT NULL CHECK (checked_in_at GLOB '????-??-??T??:??:??*'),
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UNIQUE(slot_id, student_id),
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UNIQUE(slot_id, seat_id)
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);
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CREATE TABLE IF NOT EXISTS notes (
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id INTEGER PRIMARY KEY,
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slot_id INTEGER NOT NULL REFERENCES slots(id),
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student_id INTEGER NOT NULL REFERENCES students(id),
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tutor_id INTEGER NOT NULL REFERENCES tutors(id),
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content TEXT NOT NULL DEFAULT '',
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updated_at TEXT NOT NULL CHECK (updated_at GLOB '????-??-??T??:??:??*'),
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UNIQUE(slot_id, student_id, tutor_id)
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);
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-- Indexes on high-frequency FK columns (SQLite does not auto-index FKs)
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CREATE INDEX IF NOT EXISTS idx_students_course ON students(course_id);
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CREATE INDEX IF NOT EXISTS idx_sessions_course ON sessions(course_id);
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CREATE INDEX IF NOT EXISTS idx_slots_session ON slots(session_id);
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CREATE INDEX IF NOT EXISTS idx_slots_tutor ON slots(tutor_id);
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CREATE INDEX IF NOT EXISTS idx_attendances_slot ON attendances(slot_id);
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CREATE INDEX IF NOT EXISTS idx_attendances_student ON attendances(student_id);
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CREATE INDEX IF NOT EXISTS idx_notes_slot ON notes(slot_id);
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CREATE INDEX IF NOT EXISTS idx_notes_student ON notes(student_id);
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