3장 검색 조건 쿼리

1)

QuerydslBasicTest.java

    @Test
    public void search(){

        Member findMember = queryFactory
                .select(member)
                .from(member)
                .where(member.username.eq("member1")
                        .and(member.age.eq(10)))
                .fetchOne();

        assertThat(findMember.getUsername()).isEqualTo("member1");

    }

    @Test
    public void searchAndParam(){

        Member findMember = queryFactory
                .select(member)
                .from(member)
                .where(member.username.eq("member1")
                        ,(member.age.eq(10))
                )
                .fetchOne();

        assertThat(findMember.getUsername()).isEqualTo("member1");

    }

2) JPQL이 제공하는 모든 검색 조건 제공

member.username.eq("member1") // username = 'member1'
member.username.ne("member1") //username != 'member1'
member.username.eq("member1").not() // username != 'member1'
member.username.isNotNull() //이름이 is not null
member.age.in(10, 20) // age in (10,20)
member.age.notIn(10, 20) // age not in (10, 20)
member.age.between(10,30) //between 10, 30
member.age.goe(30) // age >= 30
member.age.gt(30) // age > 30
member.age.loe(30) // age <= 30
member.age.lt(30) // age < 30
member.username.like("member%") //like 검색
member.username.contains("member") // like ‘%member%’ 검색
member.username.startsWith("member") //like ‘member%’ 검색