package com.gmgauthier.trainer2.person; import org.springframework.data.jpa.repository.JpaRepository; import org.springframework.data.jpa.repository.Query; import org.springframework.stereotype.Repository; import java.util.Optional; @Repository public interface PersonRepository extends JpaRepository { // SELECT * FROM person WHERE email = ''; @Query("SELECT p FROM Person p WHERE p.email = ?1") Optional findPersonByEmail(String email); }