3d에서 테이블 가져올 때 테이블, 컬럼 코멘트 같이 가져오기

backend-node/src/database/MariaDBConnector.ts

@@ -1,7 +1,11 @@
-import { DatabaseConnector, ConnectionConfig, QueryResult } from '../interfaces/DatabaseConnector';
-import { ConnectionTestResult, TableInfo } from '../types/externalDbTypes';
+import {
+  DatabaseConnector,
+  ConnectionConfig,
+  QueryResult,
+} from "../interfaces/DatabaseConnector";
+import { ConnectionTestResult, TableInfo } from "../types/externalDbTypes";
 // @ts-ignore
-import * as mysql from 'mysql2/promise';
+import * as mysql from "mysql2/promise";
 
 export class MariaDBConnector implements DatabaseConnector {
   private connection: mysql.Connection | null = null;
@@ -20,7 +24,7 @@ export class MariaDBConnector implements DatabaseConnector {
         password: this.config.password,
         database: this.config.database,
         connectTimeout: this.config.connectionTimeoutMillis,
-        ssl: typeof this.config.ssl === 'boolean' ? undefined : this.config.ssl,
+        ssl: typeof this.config.ssl === "boolean" ? undefined : this.config.ssl,
       });
     }
   }
@@ -36,7 +40,9 @@ export class MariaDBConnector implements DatabaseConnector {
     const startTime = Date.now();
     try {
       await this.connect();
-      const [rows] = await this.connection!.query("SELECT VERSION() as version");
+      const [rows] = await this.connection!.query(
+        "SELECT VERSION() as version"
+      );
       const version = (rows as any[])[0]?.version || "Unknown";
       const responseTime = Date.now() - startTime;
       await this.disconnect();
@@ -111,21 +117,28 @@ export class MariaDBConnector implements DatabaseConnector {
       console.log(`[MariaDBConnector] getColumns 호출: tableName=${tableName}`);
       await this.connect();
       console.log(`[MariaDBConnector] 연결 완료, 쿼리 실행 시작`);
-      
-      const [rows] = await this.connection!.query(`
+
+      const [rows] = await this.connection!.query(
+        `
         SELECT 
           COLUMN_NAME as column_name,
           DATA_TYPE as data_type,
           IS_NULLABLE as is_nullable,
-          COLUMN_DEFAULT as column_default
+          COLUMN_DEFAULT as column_default,
+          COLUMN_COMMENT as description
         FROM information_schema.COLUMNS
         WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = ?
         ORDER BY ORDINAL_POSITION;
-      `, [tableName]);
-      
+      `,
+        [tableName]
+      );
+
       console.log(`[MariaDBConnector] 쿼리 결과:`, rows);
-      console.log(`[MariaDBConnector] 결과 개수:`, Array.isArray(rows) ? rows.length : 'not array');
-      
+      console.log(
+        `[MariaDBConnector] 결과 개수:`,
+        Array.isArray(rows) ? rows.length : "not array"
+      );
+
       await this.disconnect();
       return rows as any[];
     } catch (error: any) {