차트 생성 에러 해결

frontend/components/admin/dashboard/QueryEditor.tsx

@@ -111,60 +111,44 @@ export function QueryEditor({ dataSource, onDataSourceChange, onQueryTest }: Que
   // 샘플 쿼리 삽입
   const insertSampleQuery = useCallback((sampleType: string) => {
     const samples = {
-      comparison: `-- 제품별 월별 매출 비교 (다중 시리즈)
--- 갤럭시(Galaxy) vs 아이폰(iPhone) 매출 비교
-SELECT 
-  DATE_TRUNC('month', order_date) as month,
-  SUM(CASE WHEN product_category = '갤럭시' THEN amount ELSE 0 END) as galaxy_sales,
-  SUM(CASE WHEN product_category = '아이폰' THEN amount ELSE 0 END) as iphone_sales,
-  SUM(CASE WHEN product_category = '기타' THEN amount ELSE 0 END) as other_sales
-FROM orders 
-WHERE order_date >= CURRENT_DATE - INTERVAL '12 months'
-GROUP BY DATE_TRUNC('month', order_date)
-ORDER BY month;`,
+      users: `SELECT 
+  dept_name as 부서명,
+  COUNT(*) as 회원수
+FROM user_info
+WHERE dept_name IS NOT NULL
+GROUP BY dept_name
+ORDER BY 회원수 DESC`,
 
-      sales: `-- 월별 매출 데이터
-SELECT 
-  DATE_TRUNC('month', order_date) as month,
-  SUM(total_amount) as sales,
-  COUNT(*) as order_count
-FROM orders 
-WHERE order_date >= CURRENT_DATE - INTERVAL '12 months'
-GROUP BY DATE_TRUNC('month', order_date)
-ORDER BY month;`,
+      dept: `SELECT 
+  dept_code as 부서코드,
+  dept_name as 부서명,
+  location_name as 위치,
+  TO_CHAR(regdate, 'YYYY-MM-DD') as 등록일
+FROM dept_info
+ORDER BY dept_code`,
 
-      users: `-- 사용자 가입 추이
-SELECT 
-  DATE_TRUNC('week', created_at) as week,
-  COUNT(*) as new_users
-FROM users 
-WHERE created_at >= CURRENT_DATE - INTERVAL '3 months'
-GROUP BY DATE_TRUNC('week', created_at)
-ORDER BY week;`,
+      usersByDate: `SELECT 
+  DATE_TRUNC('month', regdate)::date as 월,
+  COUNT(*) as 신규사용자수
+FROM user_info
+WHERE regdate >= CURRENT_DATE - INTERVAL '12 months'
+GROUP BY DATE_TRUNC('month', regdate)
+ORDER BY 월`,
 
-      products: `-- 상품별 판매량
-SELECT 
-  product_name,
-  SUM(quantity) as total_sold,
-  SUM(quantity * price) as revenue
-FROM order_items oi
-JOIN products p ON oi.product_id = p.id
-WHERE oi.created_at >= CURRENT_DATE - INTERVAL '1 month'
-GROUP BY product_name
-ORDER BY total_sold DESC
-LIMIT 10;`,
+      usersByPosition: `SELECT 
+  position_name as 직급,
+  COUNT(*) as 인원수
+FROM user_info
+WHERE position_name IS NOT NULL
+GROUP BY position_name
+ORDER BY 인원수 DESC`,
 
-      regional: `-- 지역별 매출 비교
-SELECT 
-  region as 지역,
-  SUM(CASE WHEN quarter = 'Q1' THEN sales ELSE 0 END) as Q1,
-  SUM(CASE WHEN quarter = 'Q2' THEN sales ELSE 0 END) as Q2,
-  SUM(CASE WHEN quarter = 'Q3' THEN sales ELSE 0 END) as Q3,
-  SUM(CASE WHEN quarter = 'Q4' THEN sales ELSE 0 END) as Q4
-FROM regional_sales
-WHERE year = EXTRACT(YEAR FROM CURRENT_DATE)
-GROUP BY region
-ORDER BY Q4 DESC;`,
+      deptHierarchy: `SELECT 
+  COALESCE(parent_dept_code, '최상위') as 상위부서코드,
+  COUNT(*) as 하위부서수
+FROM dept_info
+GROUP BY parent_dept_code
+ORDER BY 하위부서수 DESC`,
     };
 
     setQuery(samples[sampleType as keyof typeof samples] || "");
@@ -197,22 +181,22 @@ ORDER BY Q4 DESC;`,
       <Card className="p-4">
         <div className="flex flex-wrap items-center gap-2">
           <Label className="text-sm text-gray-600">샘플 쿼리:</Label>
-          <Button variant="outline" size="sm" onClick={() => insertSampleQuery("comparison")}>
-            <Code className="mr-2 h-3 w-3" />
-            제품 비교
-          </Button>
-          <Button variant="outline" size="sm" onClick={() => insertSampleQuery("regional")}>
-            <Code className="mr-2 h-3 w-3" />
-            지역별 비교
-          </Button>
-          <Button variant="outline" size="sm" onClick={() => insertSampleQuery("sales")}>
-            매출 데이터
-          </Button>
           <Button variant="outline" size="sm" onClick={() => insertSampleQuery("users")}>
-            사용자 추이
+            <Code className="mr-2 h-3 w-3" />
+            부서별 사용자
           </Button>
-          <Button variant="outline" size="sm" onClick={() => insertSampleQuery("products")}>
-            상품 판매량
+          <Button variant="outline" size="sm" onClick={() => insertSampleQuery("dept")}>
+            <Code className="mr-2 h-3 w-3" />
+            부서 정보
+          </Button>
+          <Button variant="outline" size="sm" onClick={() => insertSampleQuery("usersByDate")}>
+            월별 가입 추이
+          </Button>
+          <Button variant="outline" size="sm" onClick={() => insertSampleQuery("usersByPosition")}>
+            직급별 분포
+          </Button>
+          <Button variant="outline" size="sm" onClick={() => insertSampleQuery("deptHierarchy")}>
+            부서 계층
           </Button>
         </div>
       </Card>
@@ -315,13 +299,6 @@ ORDER BY Q4 DESC;`,
           </div>
         </Card>
       )}
-
-      {/* 키보드 단축키 안내 */}
-      <Card className="p-3">
-        <div className="text-xs text-gray-600">
-          <strong>단축키:</strong> Ctrl+Enter (쿼리 실행), Ctrl+/ (주석 토글)
-        </div>
-      </Card>
     </div>
   );
 }