테이블 기반 방식으로 변경

backend-node/src/services/tableManagementService.ts

@@ -67,12 +67,14 @@ export class TableManagementService {
         SELECT 
           c.column_name as "columnName",
           COALESCE(cl.column_label, c.column_name) as "displayName",
+          c.data_type as "dataType",
           c.data_type as "dbType",
           COALESCE(cl.web_type, 'text') as "webType",
           COALESCE(cl.input_type, 'direct') as "inputType",
           COALESCE(cl.detail_settings, '') as "detailSettings",
           COALESCE(cl.description, '') as "description",
           c.is_nullable as "isNullable",
+          CASE WHEN pk.column_name IS NOT NULL THEN true ELSE false END as "isPrimaryKey",
           c.column_default as "defaultValue",
           c.character_maximum_length as "maxLength",
           c.numeric_precision as "numericPrecision",
@@ -85,6 +87,15 @@ export class TableManagementService {
           cl.is_visible as "isVisible"
         FROM information_schema.columns c
         LEFT JOIN column_labels cl ON c.table_name = cl.table_name AND c.column_name = cl.column_name
+        LEFT JOIN (
+          SELECT kcu.column_name, kcu.table_name
+          FROM information_schema.table_constraints tc
+          JOIN information_schema.key_column_usage kcu 
+            ON tc.constraint_name = kcu.constraint_name
+            AND tc.table_schema = kcu.table_schema
+          WHERE tc.constraint_type = 'PRIMARY KEY'
+            AND tc.table_name = ${tableName}
+        ) pk ON c.column_name = pk.column_name AND c.table_name = pk.table_name
         WHERE c.table_name = ${tableName}
         ORDER BY c.ordinal_position
       `;