#ifndef META_MODEL_H
#define META_MODEL_H
/*********元模型********/
#include <QString>
#include <QJsonObject>

struct attributeGroup {
    int id = 0;
    QString groupType;
    QString groupName;
    int isPublic = -1;
    QString remark;
};

struct dataType             //数据类型(元模)
{
    int     id = 0;
    QString dataType;
    QString databaseType;
};

struct modelType {
    int id = 0;
    QString modelType;
    QString modelName;
    int graphicElement;  // 图形元素类型
    QByteArray icon;    //图片
    QString remark;
};

struct modelGroup
{
    int        id = 0;
    qint64     modelTypeId = 0;
    qint64     attributeGroupId = 0;
};

struct attribute {
    int id = 0;
    QString attribute;      // 属性名
    QString attributeName;  // 别名
    qint64 dataTypeId = 0;  //数据类型id
    int lengthPrecision = 0;    //长度限制(varchar)
    int scale = 0;          //小数点位数
    int isNotNull = 0;      //是否非空
    QString defaultValue;   //默认值
    QString valueRange;     //数值范围
    int isVisible = 1;
};

struct modelAttribute       //模型属性表(所有模型属性的索引)
{
    int     id = 0;
    qint64  modelTypeId = 0;
    qint64  attributeGroupId = 0;
    qint64  attributeId = 0;
};

struct modelAttributePublic       //公共属性表
{
    int     id = 0;
    qint64  attributeGroupId = 0;
    qint64  attributeId = 0;
};

struct modelConnectivity {      //模型连接性表(元模是否可以连接)
    int id = 0;
    QString fromModel;      //属性名
    QString toModel;
    int connectivity = 0;   //是否可连
};
#endif