USE zhiyuantong;
SET NAMES utf8mb4;

SELECT exam_mode, COUNT(*) AS province_count
FROM province_exam_configs
WHERE exam_year=2025 AND verification_status='verified'
GROUP BY exam_mode
ORDER BY exam_mode;

SELECT COUNT(*) AS verified_config_count,
       COUNT(DISTINCT province_name) AS province_count,
       COUNT(DISTINCT source_id) AS source_count
FROM province_exam_configs
WHERE exam_year=2025 AND verification_status='verified';

SELECT publication.dataset_name, publication.version_no,
       publication.publication_status, COUNT(*) AS version_count,
       SUM(publication.published_record_count) AS published_record_count
FROM dataset_publications publication
WHERE publication.admission_year=2025
GROUP BY publication.dataset_name, publication.version_no,
         publication.publication_status
ORDER BY publication.dataset_name, publication.version_no;

SELECT current.dataset_name, COUNT(*) AS current_scope_count
FROM current_dataset_publications current
WHERE current.admission_year=2025
GROUP BY current.dataset_name
ORDER BY current.dataset_name;

-- 正常结果必须为空：当前指针的范围、数据集和状态必须与发布版本一致。
SELECT current.*
FROM current_dataset_publications current
JOIN dataset_publications publication
  ON publication.publication_id=current.publication_id
WHERE current.province_name<>publication.province_name
   OR current.admission_year<>publication.admission_year
   OR current.dataset_name<>publication.dataset_name
   OR publication.publication_status<>'published';

-- 正常结果必须为空：公共考试模式必须完整覆盖31个省级地区，且均有来源。
SELECT config.province_name, config.exam_year, config.exam_mode,
       config.source_id, current.publication_id
FROM province_exam_configs config
LEFT JOIN current_dataset_publications current
  ON current.province_name=config.province_name
 AND current.admission_year=config.exam_year
 AND current.dataset_name='province-exam-configs'
LEFT JOIN public_province_exam_configs public_config
  ON public_config.publication_id=current.publication_id
 AND public_config.exam_config_id=config.exam_config_id
WHERE config.exam_year=2025
  AND (config.verification_status<>'verified'
    OR config.source_id IS NULL
    OR current.publication_id IS NULL
    OR public_config.exam_config_id IS NULL)
ORDER BY config.province_name;

SELECT
  (SELECT COUNT(*) FROM public_province_exam_configs) AS public_exam_configs,
  (SELECT COUNT(*) FROM public_school_profiles) AS public_school_profiles,
  (SELECT COUNT(*) FROM public_school_admission_stats) AS public_school_admission_stats,
  (SELECT COUNT(*) FROM public_major_admission_stats) AS public_major_admission_stats,
  (SELECT COUNT(*) FROM public_score_rank_points) AS public_score_rank_points;