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JPAでまんまの値でJoinできないとき

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以下、値に接頭辞をつけてJoinする例

@ManyToOne(fetch = FetchType.EAGER)
@JoinFormula(value = "CONCAT('<接頭辞>', <こっちのカラム名>)", referencedColumnName = "<向こうのカラム名>")
@Getter(AccessLevel.NONE)
@Setter(AccessLevel.NONE)
private Group group;
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