// Code generated by ent, DO NOT EDIT.

package userstation

import (
	"time"

	"entgo.io/ent/dialect/sql"
)

const (
	// Label holds the string label denoting the userstation type in the database.
	Label = "user_station"
	// FieldID holds the string denoting the id field in the database.
	FieldID = "id"
	// FieldUserId holds the string denoting the userid field in the database.
	FieldUserId = "user_id"
	// FieldStationNo holds the string denoting the stationno field in the database.
	FieldStationNo = "station_no"
	// FieldCreatedAt holds the string denoting the createdat field in the database.
	FieldCreatedAt = "created_at"
	// Table holds the table name of the userstation in the database.
	Table = "user_station"
)

// Columns holds all SQL columns for userstation fields.
var Columns = []string{
	FieldID,
	FieldUserId,
	FieldStationNo,
	FieldCreatedAt,
}

// ValidColumn reports if the column name is valid (part of the table columns).
func ValidColumn(column string) bool {
	for i := range Columns {
		if column == Columns[i] {
			return true
		}
	}
	return false
}

var (
	// DefaultCreatedAt holds the default value on creation for the "createdAt" field.
	DefaultCreatedAt func() time.Time
	// IDValidator is a validator for the "id" field. It is called by the builders before save.
	IDValidator func(int) error
)

// OrderOption defines the ordering options for the UserStation queries.
type OrderOption func(*sql.Selector)

// ByID orders the results by the id field.
func ByID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldID, opts...).ToFunc()
}

// ByUserId orders the results by the userId field.
func ByUserId(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldUserId, opts...).ToFunc()
}

// ByStationNo orders the results by the stationNo field.
func ByStationNo(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldStationNo, opts...).ToFunc()
}

// ByCreatedAt orders the results by the createdAt field.
func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()
}