public class User { @TableField(typeHandler = FastjsonTypeHandler.class) private List<String> tags; // 数据库字段为 JSON 类型 }需在实体类添加 @TableName(autoResultMap = true) 确保 TypeHandler
UPDATE matches m JOIN teams t_home ON m.home_team_id = t_home.team_id JOIN teams t_away ON m.away_team_id = t_away.team_id SET m.home_team_name = t_home.team_name, m.away_team_name = t_away.team_
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