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perf: 제품 검색 최적화 - 사용약품만 옵션 추가

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문제: 전체 CD_GOODS 검색 시 178,232건 스캔 + OUTER APPLY → 6-14초 소요

해결:
- '사용약품만' 체크박스 추가 (기본 활성화)
- IM_total INNER JOIN으로 재고 있는 2,810건만 검색
- OUTER APPLY 제거로 쿼리 단순화

성능: 6.5초 → 1.4초 (4.6배 향상)
This commit is contained in:
thug0bin
2026-03-04 13:57:33 +09:00
parent 5dd3489385
commit a0cbb984e5
2 changed files with 81 additions and 44 deletions
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99
backend/app.py
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@@ -3306,10 +3306,12 @@ def api_products():
제품 검색 API
- 상품명, 상품코드, 바코드로 검색
- 세트상품 바코드도 CD_ITEM_UNIT_MEMBER에서 조회
- in_stock_only: 사용약품만 (IM_total에 재고 있는 제품)
"""
search = request.args.get('search', '').strip()
limit = int(request.args.get('limit', 100))
animal_only = request.args.get('animal_only', '0') == '1'
in_stock_only = request.args.get('in_stock_only', '0') == '1'
if not search or len(search) < 2:
return jsonify({'success': False, 'error': '검색어는 2글자 이상 입력하세요'})
@@ -3317,43 +3319,66 @@ def api_products():
try:
drug_session = db_manager.get_session('PM_DRUG')
# 제품 검색 쿼리
# CD_GOODS.BARCODE가 없으면 CD_ITEM_UNIT_MEMBER.CD_CD_BARCODE 사용 (세트상품)
# 세트상품 여부 확인: CD_item_set에 SetCode로 존재하면 세트상품
products_query = text(f"""
SELECT TOP {limit}
G.DrugCode as drug_code,
G.GoodsName as product_name,
COALESCE(NULLIF(G.BARCODE, ''), U.CD_CD_BARCODE, '') as barcode,
G.Saleprice as sale_price,
G.Price as cost_price,
CASE
WHEN G.SplName IS NOT NULL AND G.SplName != '' THEN G.SplName
WHEN SET_CHK.is_set = 1 THEN N'세트상품'
ELSE ''
END as supplier,
CASE WHEN SET_CHK.is_set = 1 THEN 1 ELSE 0 END as is_set,
G.POS_BOON as pos_boon,
ISNULL(IT.IM_QT_sale_debit, 0) as stock
FROM CD_GOODS G
LEFT JOIN IM_total IT ON G.DrugCode = IT.DrugCode
OUTER APPLY (
SELECT TOP 1 CD_CD_BARCODE
FROM CD_ITEM_UNIT_MEMBER
WHERE DRUGCODE = G.DrugCode AND CD_CD_BARCODE IS NOT NULL AND CD_CD_BARCODE != ''
) U
OUTER APPLY (
SELECT TOP 1 1 as is_set
FROM CD_item_set
WHERE SetCode = G.DrugCode AND DrugCode = 'SET0000'
) SET_CHK
WHERE
G.GoodsName LIKE :search_like
OR G.DrugCode LIKE :search_like
OR G.BARCODE LIKE :search_like
OR U.CD_CD_BARCODE LIKE :search_like
ORDER BY G.GoodsName
""")
# 제품 검색 쿼리 - 사용약품만 옵션에 따라 JOIN 방식 변경
# in_stock_only: INNER JOIN으로 재고 있는 제품만 (빠름)
# 그렇지 않으면: LEFT JOIN으로 모든 제품 (느림)
if in_stock_only:
# 최적화된 쿼리: 재고 있는 제품만 (IM_total INNER JOIN)
products_query = text(f"""
SELECT TOP {limit}
G.DrugCode as drug_code,
G.GoodsName as product_name,
COALESCE(NULLIF(G.BARCODE, ''), '') as barcode,
G.Saleprice as sale_price,
G.Price as cost_price,
ISNULL(G.SplName, '') as supplier,
0 as is_set,
G.POS_BOON as pos_boon,
IT.IM_QT_sale_debit as stock
FROM CD_GOODS G
INNER JOIN IM_total IT ON G.DrugCode = IT.DrugCode AND IT.IM_QT_sale_debit > 0
WHERE
G.GoodsName LIKE :search_like
OR G.DrugCode LIKE :search_like
OR G.BARCODE LIKE :search_like
ORDER BY G.GoodsName
""")
else:
# 전체 쿼리 (OUTER APPLY 포함, 느림)
products_query = text(f"""
SELECT TOP {limit}
G.DrugCode as drug_code,
G.GoodsName as product_name,
COALESCE(NULLIF(G.BARCODE, ''), U.CD_CD_BARCODE, '') as barcode,
G.Saleprice as sale_price,
G.Price as cost_price,
CASE
WHEN G.SplName IS NOT NULL AND G.SplName != '' THEN G.SplName
WHEN SET_CHK.is_set = 1 THEN N'세트상품'
ELSE ''
END as supplier,
CASE WHEN SET_CHK.is_set = 1 THEN 1 ELSE 0 END as is_set,
G.POS_BOON as pos_boon,
ISNULL(IT.IM_QT_sale_debit, 0) as stock
FROM CD_GOODS G
LEFT JOIN IM_total IT ON G.DrugCode = IT.DrugCode
OUTER APPLY (
SELECT TOP 1 CD_CD_BARCODE
FROM CD_ITEM_UNIT_MEMBER
WHERE DRUGCODE = G.DrugCode AND CD_CD_BARCODE IS NOT NULL AND CD_CD_BARCODE != ''
) U
OUTER APPLY (
SELECT TOP 1 1 as is_set
FROM CD_item_set
WHERE SetCode = G.DrugCode AND DrugCode = 'SET0000'
) SET_CHK
WHERE
G.GoodsName LIKE :search_like
OR G.DrugCode LIKE :search_like
OR G.BARCODE LIKE :search_like
OR U.CD_CD_BARCODE LIKE :search_like
ORDER BY G.GoodsName
""")
search_like = f'%{search}%'
rows = drug_session.execute(products_query, {