More than 5 years have passed since last update.

ids for this class must be manually assigned before calling save() spring boot

Posted at 2021-06-17

1、sqlserver identityを自動インクリメント設定

2、entityファイルのIDに「@GeneratedValue(strategy=GenerationType.IDENTITY)」宣言

@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)//追加
@Column(name="ID", nullable=false, columnDefinition="DECIMAL(28,0)")
private BigDecimal id;