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[英]GreenDAO: generate DAO class from existing entity cause issue with relation
[英]Android greenDao save entity with relation
我根据以下实体制作了数据库:
Entity image = schema.addEntity("Image");
image.setTableName("Images");
image.addStringProperty("id").primaryKey();
image.addStringProperty("size128");
image.addStringProperty("size320");
Entity user = schema.addEntity("User");
user.setTableName("Users");
user.addStringProperty("id").primaryKey();
user.addStringProperty("fullName");
Property userImageIdProperty = user.addStringProperty("imageId").getProperty();
user.addToOne(image, userImageIdProperty);
当我尝试添加新用户时,不会存储图像。
Image image = new Image();
User player = new User();
player.setId(advisorClient.getId());
player.setFullName(advisorClient.getFullName());
if (advisorClient.getAvatar() != null) {
image.setId(advisorClient.getAvatar().getId());
image.setSize128(advisorClient.getAvatar().getW128());
image.setSize320(advisorClient.getAvatar().getW320());
player.setImage(image);
}
daoSession.getUserDao().insertOrReplace(user);
我以错误的方式存储它?
您必须像与用户一样将图像插入数据库中。
Image image = new Image();
User player = new User();
player.setId(advisorClient.getId());
player.setFullName(advisorClient.getFullName());
if (advisorClient.getAvatar() != null) {
image.setId(advisorClient.getAvatar().getId());
image.setSize128(advisorClient.getAvatar().getW128());
image.setSize320(advisorClient.getAvatar().getW320());
player.setImage(image);
daoSession.getImageDao().insertOrReplace(image);
}
daoSession.getUserDao().insertOrReplace(user);
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