schema

package

v0.0.0-...-92cf2b6 Latest Latest Go to latest Published: Oct 25, 2018 License: BSD-2-Clause Imports: 5 Imported by: 0

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func DbType(f *Field) bool

DbType is a FieldSelector for selecting a Field with a value supported by the database driver.

func Key(f *Field) bool

Key is a FieldSelector for selecting a primary key.

func NonKey(f *Field) bool

NonKey is a FieldSelector for selecting a non-key field.

func NonNil(f *Field) bool

NonNil is a FieldSelector for selecting a non-nil value.

type Field struct {
	Name  string
	Value interface{}
	IsKey bool
}

Field represents a field in a record.

func NewField(name string, value interface{}, isKey bool) *Field

NewField creates a Field given name, value and whether it is a primary key or not.

type FieldSelector func(*Field) bool

FieldSelector is a function that returns a boolean value given a Field, for selecting one or multiple fields.

type Fields []*Field

Fields is the slice of Field.

func (fs Fields) Filter(conds ...FieldSelector) (fields Fields)

Filter method filters the Fields according to some FieldSelectors and returns the result.

func (fs Fields) Values() []interface{}

Values returns a slice of field values.

type Record struct {
	Name   string // Name of the table
	Fields Fields // Fields in the table
}

Record represents a table record including the table name.

func NewRecord(s interface{}) *Record

NewRecord creates a Record from an object.

func (r *Record) SetKey(names ...string) *Record

SetKey sets the primary keys of a record.