所以我在tbcaseaccount中有一个数据列表,我希望按团队分组。那些没有团队(null)的人应该被标记为“未分配”#。
我尝试首先检索所有记录,因为所有记录都使用此查询为团队保留了空值:
@Query("SELECT new com.eteligent.form.delinquencyBucketForm('Unassigned'" +
"ELSE acct.team.teamName END, COUNT(acct)" +
"FROM TbCaseAccount acct " +
"WHERE acct.loan.ddlq >= :start AND acct.loan.ddlq <= :ends " +
"GROUP by acct.team")
List<delinquencyBucketForm> findByDdlqBetweenDdlqForm(@Param("start") long start, @Param("ends")long ends);
使用以下格式成功检索数据:
[{"team":"Unassigned","qty":8639,"totalunpaid":26754051.3400}]
然而,当我尝试在查询中插入案例条件时,我没有得到任何结果,只是一对空方括号:
@Query("SELECT new com.eteligent.form.delinquencyBucketForm(CASE WHEN acct.team.teamName IS NULL THEN 'Unassigned'" +
"ELSE acct.team.teamName END, COUNT(acct)" +
"FROM TbCaseAccount acct " +
"WHERE acct.loan.ddlq >= :start AND acct.loan.ddlq <= :ends " +
"GROUP by acct.team.teamName")
List<delinquencyBucketForm> findByDdlqBetweenDdlqForm(@Param("start") long start, @Param("ends")long ends);
TbCaseAccount
@OneToOne
@JoinColumn(name = "tbloans_id")
private Tbloans loan;
@ManyToOne
@JoinColumn(name = "team")
private TbTeam team;
TbTeam
@Column(name = "team_name", length = 30)
private String teamName;
delinquencyBucketForm
public class delinquencyBucketForm {
String team;
long qty;
BigDecimal totalunpaid;
public delinquencyBucketForm(String team,long qty, Double totalunpaid) {
this.qty = qty;
this.totalunpaid = new BigDecimal(totalunpaid).setScale(4, BigDecimal.ROUND_HALF_UP);
this.team = team;
}
//getters and setters...
答案 0 :(得分:0)
好的,我能够解决它。我只需要使用LEFT JOIN,因为在查看日志中转换的sql时,它在查询中使用交叉连接。这是我更新的查询。
@Query("SELECT new com.eteligent.form.delinquencyBucketForm(CASE WHEN team.teamName IS NULL THEN 'Unassigned'" +
"ELSE team.teamName END, COUNT(acct)" +
"FROM TbCaseAccount acct LEFT JOIN acct.loan loan LEFT JOIN acct.team team" +
"WHERE acct.loan.ddlq >= :start AND acct.loan.ddlq <= :ends " +
"GROUP by team.teamName")
List<delinquencyBucketForm> findByDdlqBetweenDdlqForm(@Param("start") long start, @Param("ends")long ends);