schema

type Field struct {
	Name              string
	DBName            string
	FieldType         reflect.Type
	IndirectFieldType reflect.Type
	StructField       reflect.StructField
	Schema            *Schema
	EmbeddedSchema    *Schema //嵌入子对象
	//OwnerSchema    *Schema
	ReflectValueOf func(reflect.Value) reflect.Value
	//ValueOf        func(reflect.Value) (value interface{}, zero bool)
	Set func(reflect.Value, interface{}) error
}

type GormDataTypeInterface interface {
	GormDataType() string
}

type Index struct {
	Name   string
	Unique bool //唯一
	Sparse bool //稀疏索引
	Fields []*IndexField
}

type IndexField struct {
	//*Field
	Sort     string   // DESC, ASC
	Name     string   // index name
	DBName   []string // a.b.c
	Unique   bool     //唯一
	Sparse   bool     //稀疏索引
	Priority int      //排序字段之间的排序
}

type Namer interface {
	TableName(table string) string
	ColumnName(table, column string) string
}

type NamingStrategy struct {
	TablePrefix   string
	SingularTable bool
	NameReplacer  Replacer
	NoLowerCase   bool
}

type Options struct {
	Namer
	Store *sync.Map
}

type Replacer interface {
	Replace(name string) string
}

type Schema struct {
	Name           string
	Table          string
	Fields         []*Field
	ModelType      reflect.Type
	FieldsByName   map[string]*Field
	FieldsByDBName map[string]*Field
	// contains filtered or unexported fields
}

type Tabler interface {
	TableName() string
}