



| cardData | usersData | boardsData | columnsData |
|---|---|---|---|
| 34000개 | 30개 | 330개 | 46000개 |
List<Card> findByColumns(Columns columns);→ SELECT * FROM card WHERE column_id = ?;
List<Card> findAllByCollaboratorAndBoardId(String collaborator, Long boardId);→ SELECT * FROM card WHERE collaborator = ? AND board_id = ?;
@Query("SELECT MAX(c.cardIndex) FROM Card c WHERE c.columns = :columns") Long findMaxCardIndexByColumns(@Param("columns") Columns columns);→ SELECT MAX(card_index) FROM card WHERE column_id = ?;
List<Columns> findAllByBoardOrderByColumnIndex(Board board);→ SELECT * FROM columns WHERE board_id = ? ORDER BY column_index;