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type Column struct {
	Name    string
	Type    string
	NotNull bool
	Hidden  bool
	Filters []*ColumnFilter
	OrderBy Orders
}

type ColumnFilter struct {
	Op        sqlite.ConstraintOp
	OmitCheck bool
}

type Constraint struct {
	ColIndex int
	Op       sqlite.ConstraintOp
	Value    *sqlite.Value
}

type Context interface {
	ResultInt(v int)
	ResultInt64(v int64)
	ResultFloat(v float64)
	ResultNull()
	ResultValue(v sqlite.Value)
	ResultZeroBlob(n int64)
	ResultText(v string)
	ResultError(err error)
	ResultPointer(val interface{})
}

type GetIteratorFunc func(constraints []*Constraint, order []*sqlite.OrderBy) (Iterator, error)

type Iterator interface {
	Next() (Row, error)
}

type OptFunc func(*options)

type Orders uint8

type Row interface {
	Column(ctx Context, col int) error
}