// Code generated by ent, DO NOT EDIT.

package zone

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

const (
	// Label holds the string label denoting the zone type in the database.
	Label = "zone"
	// FieldID holds the string denoting the id field in the database.
	FieldID = "id"
	// FieldZoneCode holds the string denoting the zone_code field in the database.
	FieldZoneCode = "zone_code"
	// FieldZoneName holds the string denoting the zone_name field in the database.
	FieldZoneName = "zone_name"
	// FieldDescription holds the string denoting the description field in the database.
	FieldDescription = "description"
	// FieldCreatedAt holds the string denoting the created_at field in the database.
	FieldCreatedAt = "created_at"
	// Table holds the table name of the zone in the database.
	Table = "zones"
)

// Columns holds all SQL columns for zone fields.
var Columns = []string{
	FieldID,
	FieldZoneCode,
	FieldZoneName,
	FieldDescription,
	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 "created_at" field.
	DefaultCreatedAt func() int64
)

// OrderOption defines the ordering options for the Zone 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()
}

// ByZoneCode orders the results by the zone_code field.
func ByZoneCode(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldZoneCode, opts...).ToFunc()
}

// ByZoneName orders the results by the zone_name field.
func ByZoneName(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldZoneName, opts...).ToFunc()
}

// ByDescription orders the results by the description field.
func ByDescription(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldDescription, opts...).ToFunc()
}

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