Fixed #327 - TransactionRepository --> Transaction is a keyword and case sensitive

src/main/java/de/deadlocker8/budgetmaster/repositories/TransactionRepository.java

@@ -15,6 +15,6 @@ public interface TransactionRepository extends JpaRepository<Transaction, Intege
 
 	List<Transaction> findAllByAccount(Account account);
 
-	@Query(value = "SELECT SUM(t.amount) FROM TRANSACTION as t WHERE t.account_id = ?1 AND t.date BETWEEN ?2 AND ?3", nativeQuery = true)
+	@Query(value = "SELECT SUM(t.amount) FROM `transaction` as t WHERE t.account_id = ?1 AND t.date BETWEEN ?2 AND ?3", nativeQuery = true)
 	Integer getRest(int accountID, String startDate, String endDate);
 }
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