feat: Enhance entity join functionality with company code support

- Updated the EntityJoinController to log the company code during entity join configuration retrieval.
- Modified the entityJoinService to accept company code as a parameter, allowing for company-specific entity join detection.
- Enhanced the TableManagementService to pass the company code when detecting entity joins and retrieving reference table columns.
- Implemented a helper function in the SplitPanelLayoutComponent to extract additional join columns based on the entity join configuration.
- Improved the SplitPanelLayoutConfigPanel to display entity join columns dynamically, enhancing user experience and functionality.

backend-node/src/services/tableManagementService.ts

@@ -2875,10 +2875,11 @@ export class TableManagementService {
         };
       }
 
-      // Entity 조인 설정 감지 (화면별 엔티티 설정 전달)
+      // Entity 조인 설정 감지 (화면별 엔티티 설정 + 회사코드 전달)
       let joinConfigs = await entityJoinService.detectEntityJoins(
         tableName,
-        options.screenEntityConfigs
+        options.screenEntityConfigs,
+        options.companyCode
       );
 
       logger.info(
@@ -3258,6 +3259,28 @@ export class TableManagementService {
     startTime: number
   ): Promise<EntityJoinResponse> {
     try {
+      // 🆕 참조 테이블별 전체 컬럼 목록 미리 조회
+      const referenceTableColumns = new Map<string, string[]>();
+      const uniqueRefTables = new Set(
+        joinConfigs
+          .filter((c) => c.referenceTable !== "table_column_category_values") // 카테고리는 제외
+          .map((c) => `${c.referenceTable}:${c.sourceColumn}`)
+      );
+
+      for (const key of uniqueRefTables) {
+        const refTable = key.split(":")[0];
+        if (!referenceTableColumns.has(key)) {
+          const cols = await query<{ column_name: string }>(
+            `SELECT column_name FROM information_schema.columns 
+             WHERE table_name = $1 AND table_schema = 'public' 
+             ORDER BY ordinal_position`,
+            [refTable]
+          );
+          referenceTableColumns.set(key, cols.map((c) => c.column_name));
+          logger.info(`🔍 참조 테이블 컬럼 조회: ${refTable} → ${cols.length}개`);
+        }
+      }
+
       // 데이터 조회 쿼리
       const dataQuery = entityJoinService.buildJoinQuery(
         tableName,
@@ -3266,7 +3289,9 @@ export class TableManagementService {
         whereClause,
         orderBy,
         limit,
-        offset
+        offset,
+        undefined,
+        referenceTableColumns // 🆕 참조 테이블 전체 컬럼 전달
       ).query;
 
       // 카운트 쿼리
@@ -3767,12 +3792,12 @@ export class TableManagementService {
             reference_table: string;
             reference_column: string;
           }>(
-            `SELECT column_name, reference_table, reference_column
+            `SELECT DISTINCT ON (column_name) column_name, reference_table, reference_column
              FROM table_type_columns
              WHERE table_name = $1 
              AND input_type = 'entity'
              AND reference_table = $2
-             AND company_code = '*'
+             ORDER BY column_name, CASE WHEN company_code = '*' THEN 1 ELSE 0 END
              LIMIT 1`,
             [tableName, refTable]
           );
@@ -3883,7 +3908,7 @@ export class TableManagementService {
   /**
    * 참조 테이블의 표시 컬럼 목록 조회
    */
-  async getReferenceTableColumns(tableName: string): Promise<
+  async getReferenceTableColumns(tableName: string, companyCode?: string): Promise<
     Array<{
       columnName: string;
       displayName: string;
@@ -3891,7 +3916,7 @@ export class TableManagementService {
       inputType?: string;
     }>
   > {
-    return await entityJoinService.getReferenceTableColumns(tableName);
+    return await entityJoinService.getReferenceTableColumns(tableName, companyCode);
   }
 
   /**
@@ -5005,14 +5030,14 @@ export class TableManagementService {
         input_type: string;
         display_column: string | null;
       }>(
-        `SELECT column_name, reference_column, input_type, display_column
+        `SELECT DISTINCT ON (column_name) column_name, reference_column, input_type, display_column
          FROM table_type_columns
          WHERE table_name = $1 
          AND input_type IN ('entity', 'category')
          AND reference_table = $2
          AND reference_column IS NOT NULL 
          AND reference_column != ''
-         AND company_code = '*'`,
+         ORDER BY column_name, CASE WHEN company_code = '*' THEN 1 ELSE 0 END`,
         [rightTable, leftTable]
       );
 
@@ -5034,14 +5059,14 @@ export class TableManagementService {
         input_type: string;
         display_column: string | null;
       }>(
-        `SELECT column_name, reference_column, input_type, display_column
+        `SELECT DISTINCT ON (column_name) column_name, reference_column, input_type, display_column
          FROM table_type_columns
          WHERE table_name = $1 
          AND input_type IN ('entity', 'category')
          AND reference_table = $2
          AND reference_column IS NOT NULL 
          AND reference_column != ''
-         AND company_code = '*'`,
+         ORDER BY column_name, CASE WHEN company_code = '*' THEN 1 ELSE 0 END`,
         [leftTable, rightTable]
       );