프론트엔드 작성중

backend/scripts/05_add_classification_columns.sql

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+-- 분류 결과 저장을 위한 컬럼 추가
+-- 2024년 BOM 분류 시스템 개선
+
+-- materials 테이블에 분류 관련 컬럼 추가
+ALTER TABLE materials ADD COLUMN IF NOT EXISTS subcategory VARCHAR(100);
+ALTER TABLE materials ADD COLUMN IF NOT EXISTS standard VARCHAR(200);
+ALTER TABLE materials ADD COLUMN IF NOT EXISTS grade VARCHAR(200);
+ALTER TABLE materials ADD COLUMN IF NOT EXISTS classification_details JSONB;
+
+-- files 테이블에 분류 통계 컬럼 추가
+ALTER TABLE files ADD COLUMN IF NOT EXISTS classification_stats JSONB;
+ALTER TABLE files ADD COLUMN IF NOT EXISTS classification_completed BOOLEAN DEFAULT FALSE;
+ALTER TABLE files ADD COLUMN IF NOT EXISTS classification_timestamp TIMESTAMP;
+
+-- 인덱스 추가 (성능 향상)
+CREATE INDEX IF NOT EXISTS idx_materials_classified_category ON materials(classified_category);
+CREATE INDEX IF NOT EXISTS idx_materials_subcategory ON materials(subcategory);
+CREATE INDEX IF NOT EXISTS idx_materials_standard ON materials(standard);
+CREATE INDEX IF NOT EXISTS idx_materials_grade ON materials(grade);
+CREATE INDEX IF NOT EXISTS idx_materials_classification_confidence ON materials(classification_confidence);
+
+-- 기존 데이터에 대한 기본값 설정
+UPDATE materials SET 
+    subcategory = COALESCE(subcategory, ''),
+    standard = COALESCE(standard, ''),
+    grade = COALESCE(grade, ''),
+    classification_details = COALESCE(classification_details, '{}'::jsonb)
+WHERE subcategory IS NULL OR standard IS NULL OR grade IS NULL OR classification_details IS NULL;
+
+-- 분류 완료된 파일들 업데이트
+UPDATE files SET 
+    classification_completed = TRUE,
+    classification_timestamp = created_at
+WHERE parsed_count > 0;
+
+-- 통계 뷰 생성 (분류 결과 통계 조회용)
+CREATE OR REPLACE VIEW classification_summary AS
+SELECT 
+    f.job_no,
+    f.original_filename,
+    f.parsed_count,
+    f.classification_completed,
+    f.classification_timestamp,
+    COUNT(*) as total_materials,
+    COUNT(CASE WHEN m.classified_category = 'BOLT' THEN 1 END) as bolt_count,
+    COUNT(CASE WHEN m.classified_category = 'FLANGE' THEN 1 END) as flange_count,
+    COUNT(CASE WHEN m.classified_category = 'FITTING' THEN 1 END) as fitting_count,
+    COUNT(CASE WHEN m.classified_category = 'GASKET' THEN 1 END) as gasket_count,
+    COUNT(CASE WHEN m.classified_category = 'INSTRUMENT' THEN 1 END) as instrument_count,
+    COUNT(CASE WHEN m.classified_category = 'PIPE' THEN 1 END) as pipe_count,
+    COUNT(CASE WHEN m.classified_category = 'VALVE' THEN 1 END) as valve_count,
+    COUNT(CASE WHEN m.classified_category = 'MATERIAL' THEN 1 END) as material_count,
+    COUNT(CASE WHEN m.classified_category = 'OTHER' THEN 1 END) as other_count,
+    AVG(m.classification_confidence) as avg_confidence,
+    COUNT(CASE WHEN m.is_verified = TRUE THEN 1 END) as verified_count
+FROM files f
+LEFT JOIN materials m ON f.id = m.file_id
+WHERE f.is_active = TRUE
+GROUP BY f.id, f.job_no, f.original_filename, f.parsed_count, f.classification_completed, f.classification_timestamp;
+
+-- 분류 성능 통계 뷰
+CREATE OR REPLACE VIEW classification_performance AS
+SELECT 
+    classified_category,
+    subcategory,
+    standard,
+    COUNT(*) as total_count,
+    AVG(classification_confidence) as avg_confidence,
+    COUNT(CASE WHEN is_verified = TRUE THEN 1 END) as verified_count,
+    COUNT(CASE WHEN is_verified = FALSE THEN 1 END) as unverified_count,
+    ROUND(
+        (COUNT(CASE WHEN is_verified = TRUE THEN 1 END)::DECIMAL / COUNT(*) * 100), 2
+    ) as verification_rate
+FROM materials
+WHERE classified_category IS NOT NULL
+GROUP BY classified_category, subcategory, standard
+ORDER BY total_count DESC;
+
+-- 변경사항 확인
+SELECT 'Database schema updated successfully' as status;