Update app.py

app.py

@@ -124,12 +124,9 @@ def update_comp_standard_dropdown(base_std, base_ver):
 
     try:
         conn = sqlite3.connect(os.path.join(UPLOAD_DIR, "mapping.db"))
-        query = """
-        SELECT DISTINCT Comp_std FROM Mapping_registry WHERE Base_std=? AND Base_ver=?
-        UNION
-        SELECT DISTINCT Base_std FROM Mapping_registry WHERE Comp_std=? AND Comp_ver=?
-        """
-        df = pd.read_sql(query, conn, params=[base_std, base_ver, base_std, base_ver])
+        # [수정] 양방향(UNION) 쿼리 제거, 철저하게 등록된 정방향(Base -> Comp)만 허용
+        query = "SELECT DISTINCT Comp_std FROM Mapping_registry WHERE Base_std=? AND Base_ver=?"
+        df = pd.read_sql(query, conn, params=[base_std, base_ver])
         conn.close()
 
         mapped_stds = sorted(df['Comp_std'].dropna().unique().tolist()) if not df.empty else []
@@ -137,18 +134,16 @@ def update_comp_standard_dropdown(base_std, base_ver):
     except Exception:
         return gr.update(choices=[], value=None, interactive=False)
 
+
 def update_comp_version_dropdown(base_std, base_ver, comp_std):
     if not all([base_std, base_ver, comp_std]):
         return gr.update(choices=[], value=None, interactive=False)
 
     try:
         conn = sqlite3.connect(os.path.join(UPLOAD_DIR, "mapping.db"))
-        query = """
-        SELECT DISTINCT Comp_ver FROM Mapping_registry WHERE Base_std=? AND Base_ver=? AND Comp_std=?
-        UNION
-        SELECT DISTINCT Base_ver FROM Mapping_registry WHERE Comp_std=? AND Comp_ver=? AND Base_std=?
-        """
-        df = pd.read_sql(query, conn, params=[base_std, base_ver, comp_std, base_std, base_ver, comp_std])
+        # [수정] 양방향(UNION) 쿼리 제거
+        query = "SELECT DISTINCT Comp_ver FROM Mapping_registry WHERE Base_std=? AND Base_ver=? AND Comp_std=?"
+        df = pd.read_sql(query, conn, params=[base_std, base_ver, comp_std])
         conn.close()
 
         mapped_vers = sorted(df['Comp_ver'].dropna().unique().tolist()) if not df.empty else []