// Copyright 2019-present Facebook Inc. All rights reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.

// Code generated by ent, DO NOT EDIT.

package parent

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

const (
	// Label holds the string label denoting the parent type in the database.
	Label = "parent"
	// FieldID holds the string denoting the id field in the database.
	FieldID = "id"
	// FieldByAdoption holds the string denoting the by_adoption field in the database.
	FieldByAdoption = "by_adoption"
	// FieldUserID holds the string denoting the user_id field in the database.
	FieldUserID = "user_id"
	// FieldParentID holds the string denoting the parent_id field in the database.
	FieldParentID = "parent_id"
	// EdgeChild holds the string denoting the child edge name in mutations.
	EdgeChild = "child"
	// EdgeParent holds the string denoting the parent edge name in mutations.
	EdgeParent = "parent"
	// Table holds the table name of the parent in the database.
	Table = "parents"
	// ChildTable is the table that holds the child relation/edge.
	ChildTable = "parents"
	// ChildInverseTable is the table name for the User entity.
	// It exists in this package in order to avoid circular dependency with the "user" package.
	ChildInverseTable = "users"
	// ChildColumn is the table column denoting the child relation/edge.
	ChildColumn = "user_id"
	// ParentTable is the table that holds the parent relation/edge.
	ParentTable = "parents"
	// ParentInverseTable is the table name for the User entity.
	// It exists in this package in order to avoid circular dependency with the "user" package.
	ParentInverseTable = "users"
	// ParentColumn is the table column denoting the parent relation/edge.
	ParentColumn = "parent_id"
)

// Columns holds all SQL columns for parent fields.
var Columns = []string{
	FieldID,
	FieldByAdoption,
	FieldUserID,
	FieldParentID,
}

// 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 (
	// DefaultByAdoption holds the default value on creation for the "by_adoption" field.
	DefaultByAdoption bool
)

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

// ByByAdoption orders the results by the by_adoption field.
func ByByAdoption(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldByAdoption, opts...).ToFunc()
}

// ByUserID orders the results by the user_id field.
func ByUserID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldUserID, opts...).ToFunc()
}

// ByParentID orders the results by the parent_id field.
func ByParentID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldParentID, opts...).ToFunc()
}

// ByChildField orders the results by child field.
func ByChildField(field string, opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newChildStep(), sql.OrderByField(field, opts...))
	}
}

// ByParentField orders the results by parent field.
func ByParentField(field string, opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newParentStep(), sql.OrderByField(field, opts...))
	}
}
func newChildStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(ChildInverseTable, FieldID),
		sqlgraph.Edge(sqlgraph.M2O, false, ChildTable, ChildColumn),
	)
}
func newParentStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(ParentInverseTable, FieldID),
		sqlgraph.Edge(sqlgraph.M2O, false, ParentTable, ParentColumn),
	)
}