From 0d1b5869c52a3576afddee94522a5b66c723bf84 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Mon, 1 Sep 2025 15:37:49 +0900
Subject: [PATCH] =?UTF-8?q?=ED=85=8C=EC=9D=B4=EB=B8=94=20=ED=83=80?=
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---
 .../src/services/tableManagementService.ts    | 21 +++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/backend-node/src/services/tableManagementService.ts b/backend-node/src/services/tableManagementService.ts
index df1246a6..74412e3b 100644
--- a/backend-node/src/services/tableManagementService.ts
+++ b/backend-node/src/services/tableManagementService.ts
@@ -22,7 +22,7 @@ export class TableManagementService {
       logger.info("테이블 목록 조회 시작");
 
       // information_schema는 여전히 $queryRaw 사용
-      const tables = await prisma.$queryRaw<TableInfo[]>`
+      const rawTables = await prisma.$queryRaw<any[]>`
         SELECT 
           t.table_name as "tableName",
           COALESCE(tl.table_label, t.table_name) as "displayName",
@@ -38,6 +38,12 @@ export class TableManagementService {
         ORDER BY t.table_name
       `;
 
+      // BigInt를 Number로 변환하여 JSON 직렬화 문제 해결
+      const tables: TableInfo[] = rawTables.map((table) => ({
+        ...table,
+        columnCount: Number(table.columnCount), // BigInt → Number 변환
+      }));
+
       logger.info(`테이블 목록 조회 완료: ${tables.length}개`);
       return tables;
     } catch (error) {
@@ -57,7 +63,7 @@ export class TableManagementService {
       logger.info(`컬럼 정보 조회 시작: ${tableName}`);
 
       // information_schema는 여전히 $queryRaw 사용
-      const columns = await prisma.$queryRaw<ColumnTypeInfo[]>`
+      const rawColumns = await prisma.$queryRaw<any[]>`
         SELECT 
           c.column_name as "columnName",
           COALESCE(cl.column_label, c.column_name) as "displayName",
@@ -82,6 +88,17 @@ export class TableManagementService {
         ORDER BY c.ordinal_position
       `;
 
+      // BigInt를 Number로 변환하여 JSON 직렬화 문제 해결
+      const columns: ColumnTypeInfo[] = rawColumns.map((column) => ({
+        ...column,
+        maxLength: column.maxLength ? Number(column.maxLength) : null,
+        numericPrecision: column.numericPrecision
+          ? Number(column.numericPrecision)
+          : null,
+        numericScale: column.numericScale ? Number(column.numericScale) : null,
+        displayOrder: column.displayOrder ? Number(column.displayOrder) : null,
+      }));
+
       logger.info(`컬럼 정보 조회 완료: ${tableName}, ${columns.length}개`);
       return columns;
     } catch (error) {