DB 시간포멧 수정. access log 추가

internal/userprogram/dumper.go

@@ -188,8 +188,8 @@ func scanRow(rows *sql.Rows) ([]string, error) {
 		userCompany    sql.NullString
 		userDepartment sql.NullString
 		userPosition   sql.NullString
-		userLoginTime  sql.NullString
-		createdAt      sql.NullString
+		userLoginTime  sql.NullTime
+		createdAt      sql.NullTime
 		userFamilyFlag sql.NullString
 	)
 
@@ -225,8 +225,8 @@ func scanRow(rows *sql.Rows) ([]string, error) {
 		nullToString(userCompany),
 		nullToString(userDepartment),
 		nullToString(userPosition),
-		nullToString(userLoginTime),
-		nullToString(createdAt),
+		formatTimestamp(userLoginTime),
+		formatTimestamp(createdAt),
 		nullToString(userFamilyFlag),
 	}, nil
 }
@@ -241,3 +241,10 @@ func nullToString(v sql.NullString) string {
 func netAddr(host string, port int) string {
 	return fmt.Sprintf("%s:%d", host, port)
 }
+
+func formatTimestamp(t sql.NullTime) string {
+	if !t.Valid {
+		return ""
+	}
+	return t.Time.In(kst()).Format("2006-01-02 15:04:05.000")
+}