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prisma/migrations/20260610093000_add_course_student_week_progress/migration.sql

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+CREATE TABLE IF NOT EXISTS "course_student_week_progress" (
+  "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+  "course_id" UUID NOT NULL,
+  "user_id" UUID NOT NULL,
+  "week" INTEGER NOT NULL,
+  "submitted_at" TIMESTAMPTZ(3),
+  "commit_count" INTEGER NOT NULL DEFAULT 0,
+  "created_at" TIMESTAMPTZ(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  "updated_at" TIMESTAMPTZ(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  CONSTRAINT "course_student_week_progress_pkey" PRIMARY KEY ("id")
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS "course_student_week_progress_course_user_week_key"
+  ON "course_student_week_progress"("course_id", "user_id", "week");
+
+CREATE INDEX IF NOT EXISTS "course_student_week_progress_user_idx"
+  ON "course_student_week_progress"("user_id");
+
+ALTER TABLE "course_student_week_progress"
+  ADD CONSTRAINT "course_student_week_progress_course_id_fkey"
+  FOREIGN KEY ("course_id") REFERENCES "courses"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+ALTER TABLE "course_student_week_progress"
+  ADD CONSTRAINT "course_student_week_progress_user_id_fkey"
+  FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+COMMENT ON TABLE "course_student_week_progress" IS '학생별 주차 학습 및 제출 요약.';
+COMMENT ON COLUMN "course_student_week_progress"."submitted_at" IS '해당 주차 소스 제출 완료 시각.';