entity_query.go

// Code generated by entc, DO NOT EDIT.

package ent

import (
	"context"
	"database/sql/driver"
	"errors"
	"fmt"
	"math"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/schema/field"
	"github.com/google/uuid"
	"github.com/robinhuiser/fca-emu/ent/account"
	"github.com/robinhuiser/fca-emu/ent/entity"
	"github.com/robinhuiser/fca-emu/ent/entityaddress"
	"github.com/robinhuiser/fca-emu/ent/entitycontactpoint"
	"github.com/robinhuiser/fca-emu/ent/entitytaxinformation"
	"github.com/robinhuiser/fca-emu/ent/predicate"
	"github.com/robinhuiser/fca-emu/ent/preference"
)

// EntityQuery is the builder for querying Entity entities.
type EntityQuery struct {
	config
	limit      *int
	offset     *int
	order      []OrderFunc
	fields     []string
	predicates []predicate.Entity
	// eager-loading edges.
	withTaxSpecifications *EntityTaxInformationQuery
	withAddresses         *EntityAddressQuery
	withPreferences       *PreferenceQuery
	withContactPoints     *EntityContactPointQuery
	withOwnsAccount       *AccountQuery
	// intermediate query (i.e. traversal path).
	sql  *sql.Selector
	path func(context.Context) (*sql.Selector, error)
}

// Where adds a new predicate for the EntityQuery builder.
func (eq *EntityQuery) Where(ps ...predicate.Entity) *EntityQuery {
	eq.predicates = append(eq.predicates, ps...)
	return eq
}

// Limit adds a limit step to the query.
func (eq *EntityQuery) Limit(limit int) *EntityQuery {
	eq.limit = &limit
	return eq
}

// Offset adds an offset step to the query.
func (eq *EntityQuery) Offset(offset int) *EntityQuery {
	eq.offset = &offset
	return eq
}

// Order adds an order step to the query.
func (eq *EntityQuery) Order(o ...OrderFunc) *EntityQuery {
	eq.order = append(eq.order, o...)
	return eq
}

// QueryTaxSpecifications chains the current query on the "taxSpecifications" edge.
func (eq *EntityQuery) QueryTaxSpecifications() *EntityTaxInformationQuery {
	query := &EntityTaxInformationQuery{config: eq.config}
	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
		if err := eq.prepareQuery(ctx); err != nil {
			return nil, err
		}
		selector := eq.sqlQuery(ctx)
		if err := selector.Err(); err != nil {
			return nil, err
		}
		step := sqlgraph.NewStep(
			sqlgraph.From(entity.Table, entity.FieldID, selector),
			sqlgraph.To(entitytaxinformation.Table, entitytaxinformation.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, entity.TaxSpecificationsTable, entity.TaxSpecificationsColumn),
		)
		fromU = sqlgraph.SetNeighbors(eq.driver.Dialect(), step)
		return fromU, nil
	}
	return query
}

// QueryAddresses chains the current query on the "addresses" edge.
func (eq *EntityQuery) QueryAddresses() *EntityAddressQuery {
	query := &EntityAddressQuery{config: eq.config}
	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
		if err := eq.prepareQuery(ctx); err != nil {
			return nil, err
		}
		selector := eq.sqlQuery(ctx)
		if err := selector.Err(); err != nil {
			return nil, err
		}
		step := sqlgraph.NewStep(
			sqlgraph.From(entity.Table, entity.FieldID, selector),
			sqlgraph.To(entityaddress.Table, entityaddress.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, entity.AddressesTable, entity.AddressesColumn),
		)
		fromU = sqlgraph.SetNeighbors(eq.driver.Dialect(), step)
		return fromU, nil
	}
	return query
}

// QueryPreferences chains the current query on the "preferences" edge.
func (eq *EntityQuery) QueryPreferences() *PreferenceQuery {
	query := &PreferenceQuery{config: eq.config}
	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
		if err := eq.prepareQuery(ctx); err != nil {
			return nil, err
		}
		selector := eq.sqlQuery(ctx)
		if err := selector.Err(); err != nil {
			return nil, err
		}
		step := sqlgraph.NewStep(
			sqlgraph.From(entity.Table, entity.FieldID, selector),
			sqlgraph.To(preference.Table, preference.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, entity.PreferencesTable, entity.PreferencesColumn),
		)
		fromU = sqlgraph.SetNeighbors(eq.driver.Dialect(), step)
		return fromU, nil
	}
	return query
}

// QueryContactPoints chains the current query on the "contactPoints" edge.
func (eq *EntityQuery) QueryContactPoints() *EntityContactPointQuery {
	query := &EntityContactPointQuery{config: eq.config}
	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
		if err := eq.prepareQuery(ctx); err != nil {
			return nil, err
		}
		selector := eq.sqlQuery(ctx)
		if err := selector.Err(); err != nil {
			return nil, err
		}
		step := sqlgraph.NewStep(
			sqlgraph.From(entity.Table, entity.FieldID, selector),
			sqlgraph.To(entitycontactpoint.Table, entitycontactpoint.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, entity.ContactPointsTable, entity.ContactPointsColumn),
		)
		fromU = sqlgraph.SetNeighbors(eq.driver.Dialect(), step)
		return fromU, nil
	}
	return query
}

// QueryOwnsAccount chains the current query on the "owns_account" edge.
func (eq *EntityQuery) QueryOwnsAccount() *AccountQuery {
	query := &AccountQuery{config: eq.config}
	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
		if err := eq.prepareQuery(ctx); err != nil {
			return nil, err
		}
		selector := eq.sqlQuery(ctx)
		if err := selector.Err(); err != nil {
			return nil, err
		}
		step := sqlgraph.NewStep(
			sqlgraph.From(entity.Table, entity.FieldID, selector),
			sqlgraph.To(account.Table, account.FieldID),
			sqlgraph.Edge(sqlgraph.M2M, true, entity.OwnsAccountTable, entity.OwnsAccountPrimaryKey...),
		)
		fromU = sqlgraph.SetNeighbors(eq.driver.Dialect(), step)
		return fromU, nil
	}
	return query
}

// First returns the first Entity entity from the query.
// Returns a *NotFoundError when no Entity was found.
func (eq *EntityQuery) First(ctx context.Context) (*Entity, error) {
	nodes, err := eq.Limit(1).All(ctx)
	if err != nil {
		return nil, err
	}
	if len(nodes) == 0 {
		return nil, &NotFoundError{entity.Label}
	}
	return nodes[0], nil
}

// FirstX is like First, but panics if an error occurs.
func (eq *EntityQuery) FirstX(ctx context.Context) *Entity {
	node, err := eq.First(ctx)
	if err != nil && !IsNotFound(err) {
		panic(err)
	}
	return node
}

// FirstID returns the first Entity ID from the query.
// Returns a *NotFoundError when no Entity ID was found.
func (eq *EntityQuery) FirstID(ctx context.Context) (id uuid.UUID, err error) {
	var ids []uuid.UUID
	if ids, err = eq.Limit(1).IDs(ctx); err != nil {
		return
	}
	if len(ids) == 0 {
		err = &NotFoundError{entity.Label}
		return
	}
	return ids[0], nil
}

// FirstIDX is like FirstID, but panics if an error occurs.
func (eq *EntityQuery) FirstIDX(ctx context.Context) uuid.UUID {
	id, err := eq.FirstID(ctx)
	if err != nil && !IsNotFound(err) {
		panic(err)
	}
	return id
}

// Only returns a single Entity entity found by the query, ensuring it only returns one.
// Returns a *NotSingularError when exactly one Entity entity is not found.
// Returns a *NotFoundError when no Entity entities are found.
func (eq *EntityQuery) Only(ctx context.Context) (*Entity, error) {
	nodes, err := eq.Limit(2).All(ctx)
	if err != nil {
		return nil, err
	}
	switch len(nodes) {
	case 1:
		return nodes[0], nil
	case 0:
		return nil, &NotFoundError{entity.Label}
	default:
		return nil, &NotSingularError{entity.Label}
	}
}

// OnlyX is like Only, but panics if an error occurs.
func (eq *EntityQuery) OnlyX(ctx context.Context) *Entity {
	node, err := eq.Only(ctx)
	if err != nil {
		panic(err)
	}
	return node
}

// OnlyID is like Only, but returns the only Entity ID in the query.
// Returns a *NotSingularError when exactly one Entity ID is not found.
// Returns a *NotFoundError when no entities are found.
func (eq *EntityQuery) OnlyID(ctx context.Context) (id uuid.UUID, err error) {
	var ids []uuid.UUID
	if ids, err = eq.Limit(2).IDs(ctx); err != nil {
		return
	}
	switch len(ids) {
	case 1:
		id = ids[0]
	case 0:
		err = &NotFoundError{entity.Label}
	default:
		err = &NotSingularError{entity.Label}
	}
	return
}

// OnlyIDX is like OnlyID, but panics if an error occurs.
func (eq *EntityQuery) OnlyIDX(ctx context.Context) uuid.UUID {
	id, err := eq.OnlyID(ctx)
	if err != nil {
		panic(err)
	}
	return id
}

// All executes the query and returns a list of Entities.
func (eq *EntityQuery) All(ctx context.Context) ([]*Entity, error) {
	if err := eq.prepareQuery(ctx); err != nil {
		return nil, err
	}
	return eq.sqlAll(ctx)
}

// AllX is like All, but panics if an error occurs.
func (eq *EntityQuery) AllX(ctx context.Context) []*Entity {
	nodes, err := eq.All(ctx)
	if err != nil {
		panic(err)
	}
	return nodes
}

// IDs executes the query and returns a list of Entity IDs.
func (eq *EntityQuery) IDs(ctx context.Context) ([]uuid.UUID, error) {
	var ids []uuid.UUID
	if err := eq.Select(entity.FieldID).Scan(ctx, &ids); err != nil {
		return nil, err
	}
	return ids, nil
}

// IDsX is like IDs, but panics if an error occurs.
func (eq *EntityQuery) IDsX(ctx context.Context) []uuid.UUID {
	ids, err := eq.IDs(ctx)
	if err != nil {
		panic(err)
	}
	return ids
}

// Count returns the count of the given query.
func (eq *EntityQuery) Count(ctx context.Context) (int, error) {
	if err := eq.prepareQuery(ctx); err != nil {
		return 0, err
	}
	return eq.sqlCount(ctx)
}

// CountX is like Count, but panics if an error occurs.
func (eq *EntityQuery) CountX(ctx context.Context) int {
	count, err := eq.Count(ctx)
	if err != nil {
		panic(err)
	}
	return count
}

// Exist returns true if the query has elements in the graph.
func (eq *EntityQuery) Exist(ctx context.Context) (bool, error) {
	if err := eq.prepareQuery(ctx); err != nil {
		return false, err
	}
	return eq.sqlExist(ctx)
}

// ExistX is like Exist, but panics if an error occurs.
func (eq *EntityQuery) ExistX(ctx context.Context) bool {
	exist, err := eq.Exist(ctx)
	if err != nil {
		panic(err)
	}
	return exist
}

// Clone returns a duplicate of the EntityQuery builder, including all associated steps. It can be
// used to prepare common query builders and use them differently after the clone is made.
func (eq *EntityQuery) Clone() *EntityQuery {
	if eq == nil {
		return nil
	}
	return &EntityQuery{
		config:                eq.config,
		limit:                 eq.limit,
		offset:                eq.offset,
		order:                 append([]OrderFunc{}, eq.order...),
		predicates:            append([]predicate.Entity{}, eq.predicates...),
		withTaxSpecifications: eq.withTaxSpecifications.Clone(),
		withAddresses:         eq.withAddresses.Clone(),
		withPreferences:       eq.withPreferences.Clone(),
		withContactPoints:     eq.withContactPoints.Clone(),
		withOwnsAccount:       eq.withOwnsAccount.Clone(),
		// clone intermediate query.
		sql:  eq.sql.Clone(),
		path: eq.path,
	}
}

// WithTaxSpecifications tells the query-builder to eager-load the nodes that are connected to
// the "taxSpecifications" edge. The optional arguments are used to configure the query builder of the edge.
func (eq *EntityQuery) WithTaxSpecifications(opts ...func(*EntityTaxInformationQuery)) *EntityQuery {
	query := &EntityTaxInformationQuery{config: eq.config}
	for _, opt := range opts {
		opt(query)
	}
	eq.withTaxSpecifications = query
	return eq
}

// WithAddresses tells the query-builder to eager-load the nodes that are connected to
// the "addresses" edge. The optional arguments are used to configure the query builder of the edge.
func (eq *EntityQuery) WithAddresses(opts ...func(*EntityAddressQuery)) *EntityQuery {
	query := &EntityAddressQuery{config: eq.config}
	for _, opt := range opts {
		opt(query)
	}
	eq.withAddresses = query
	return eq
}

// WithPreferences tells the query-builder to eager-load the nodes that are connected to
// the "preferences" edge. The optional arguments are used to configure the query builder of the edge.
func (eq *EntityQuery) WithPreferences(opts ...func(*PreferenceQuery)) *EntityQuery {
	query := &PreferenceQuery{config: eq.config}
	for _, opt := range opts {
		opt(query)
	}
	eq.withPreferences = query
	return eq
}

// WithContactPoints tells the query-builder to eager-load the nodes that are connected to
// the "contactPoints" edge. The optional arguments are used to configure the query builder of the edge.
func (eq *EntityQuery) WithContactPoints(opts ...func(*EntityContactPointQuery)) *EntityQuery {
	query := &EntityContactPointQuery{config: eq.config}
	for _, opt := range opts {
		opt(query)
	}
	eq.withContactPoints = query
	return eq
}

// WithOwnsAccount tells the query-builder to eager-load the nodes that are connected to
// the "owns_account" edge. The optional arguments are used to configure the query builder of the edge.
func (eq *EntityQuery) WithOwnsAccount(opts ...func(*AccountQuery)) *EntityQuery {
	query := &AccountQuery{config: eq.config}
	for _, opt := range opts {
		opt(query)
	}
	eq.withOwnsAccount = query
	return eq
}

// GroupBy is used to group vertices by one or more fields/columns.
// It is often used with aggregate functions, like: count, max, mean, min, sum.
//
// Example:
//
//	var v []struct {
//		DateCreated time.Time `json:"dateCreated,omitempty"`
//		Count int `json:"count,omitempty"`
//	}
//
//	client.Entity.Query().
//		GroupBy(entity.FieldDateCreated).
//		Aggregate(ent.Count()).
//		Scan(ctx, &v)
//
func (eq *EntityQuery) GroupBy(field string, fields ...string) *EntityGroupBy {
	group := &EntityGroupBy{config: eq.config}
	group.fields = append([]string{field}, fields...)
	group.path = func(ctx context.Context) (prev *sql.Selector, err error) {
		if err := eq.prepareQuery(ctx); err != nil {
			return nil, err
		}
		return eq.sqlQuery(ctx), nil
	}
	return group
}

// Select allows the selection one or more fields/columns for the given query,
// instead of selecting all fields in the entity.
//
// Example:
//
//	var v []struct {
//		DateCreated time.Time `json:"dateCreated,omitempty"`
//	}
//
//	client.Entity.Query().
//		Select(entity.FieldDateCreated).
//		Scan(ctx, &v)
//
func (eq *EntityQuery) Select(field string, fields ...string) *EntitySelect {
	eq.fields = append([]string{field}, fields...)
	return &EntitySelect{EntityQuery: eq}
}

func (eq *EntityQuery) prepareQuery(ctx context.Context) error {
	for _, f := range eq.fields {
		if !entity.ValidColumn(f) {
			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
		}
	}
	if eq.path != nil {
		prev, err := eq.path(ctx)
		if err != nil {
			return err
		}
		eq.sql = prev
	}
	return nil
}

func (eq *EntityQuery) sqlAll(ctx context.Context) ([]*Entity, error) {
	var (
		nodes       = []*Entity{}
		_spec       = eq.querySpec()
		loadedTypes = [5]bool{
			eq.withTaxSpecifications != nil,
			eq.withAddresses != nil,
			eq.withPreferences != nil,
			eq.withContactPoints != nil,
			eq.withOwnsAccount != nil,
		}
	)
	_spec.ScanValues = func(columns []string) ([]interface{}, error) {
		node := &Entity{config: eq.config}
		nodes = append(nodes, node)
		return node.scanValues(columns)
	}
	_spec.Assign = func(columns []string, values []interface{}) error {
		if len(nodes) == 0 {
			return fmt.Errorf("ent: Assign called without calling ScanValues")
		}
		node := nodes[len(nodes)-1]
		node.Edges.loadedTypes = loadedTypes
		return node.assignValues(columns, values)
	}
	if err := sqlgraph.QueryNodes(ctx, eq.driver, _spec); err != nil {
		return nil, err
	}
	if len(nodes) == 0 {
		return nodes, nil
	}

	if query := eq.withTaxSpecifications; query != nil {
		fks := make([]driver.Value, 0, len(nodes))
		nodeids := make(map[uuid.UUID]*Entity)
		for i := range nodes {
			fks = append(fks, nodes[i].ID)
			nodeids[nodes[i].ID] = nodes[i]
			nodes[i].Edges.TaxSpecifications = []*EntityTaxInformation{}
		}
		query.withFKs = true
		query.Where(predicate.EntityTaxInformation(func(s *sql.Selector) {
			s.Where(sql.InValues(entity.TaxSpecificationsColumn, fks...))
		}))
		neighbors, err := query.All(ctx)
		if err != nil {
			return nil, err
		}
		for _, n := range neighbors {
			fk := n.entity_tax_specifications
			if fk == nil {
				return nil, fmt.Errorf(`foreign-key "entity_tax_specifications" is nil for node %v`, n.ID)
			}
			node, ok := nodeids[*fk]
			if !ok {
				return nil, fmt.Errorf(`unexpected foreign-key "entity_tax_specifications" returned %v for node %v`, *fk, n.ID)
			}
			node.Edges.TaxSpecifications = append(node.Edges.TaxSpecifications, n)
		}
	}

	if query := eq.withAddresses; query != nil {
		fks := make([]driver.Value, 0, len(nodes))
		nodeids := make(map[uuid.UUID]*Entity)
		for i := range nodes {
			fks = append(fks, nodes[i].ID)
			nodeids[nodes[i].ID] = nodes[i]
			nodes[i].Edges.Addresses = []*EntityAddress{}
		}
		query.withFKs = true
		query.Where(predicate.EntityAddress(func(s *sql.Selector) {
			s.Where(sql.InValues(entity.AddressesColumn, fks...))
		}))
		neighbors, err := query.All(ctx)
		if err != nil {
			return nil, err
		}
		for _, n := range neighbors {
			fk := n.entity_addresses
			if fk == nil {
				return nil, fmt.Errorf(`foreign-key "entity_addresses" is nil for node %v`, n.ID)
			}
			node, ok := nodeids[*fk]
			if !ok {
				return nil, fmt.Errorf(`unexpected foreign-key "entity_addresses" returned %v for node %v`, *fk, n.ID)
			}
			node.Edges.Addresses = append(node.Edges.Addresses, n)
		}
	}

	if query := eq.withPreferences; query != nil {
		fks := make([]driver.Value, 0, len(nodes))
		nodeids := make(map[uuid.UUID]*Entity)
		for i := range nodes {
			fks = append(fks, nodes[i].ID)
			nodeids[nodes[i].ID] = nodes[i]
			nodes[i].Edges.Preferences = []*Preference{}
		}
		query.withFKs = true
		query.Where(predicate.Preference(func(s *sql.Selector) {
			s.Where(sql.InValues(entity.PreferencesColumn, fks...))
		}))
		neighbors, err := query.All(ctx)
		if err != nil {
			return nil, err
		}
		for _, n := range neighbors {
			fk := n.entity_preferences
			if fk == nil {
				return nil, fmt.Errorf(`foreign-key "entity_preferences" is nil for node %v`, n.ID)
			}
			node, ok := nodeids[*fk]
			if !ok {
				return nil, fmt.Errorf(`unexpected foreign-key "entity_preferences" returned %v for node %v`, *fk, n.ID)
			}
			node.Edges.Preferences = append(node.Edges.Preferences, n)
		}
	}

	if query := eq.withContactPoints; query != nil {
		fks := make([]driver.Value, 0, len(nodes))
		nodeids := make(map[uuid.UUID]*Entity)
		for i := range nodes {
			fks = append(fks, nodes[i].ID)
			nodeids[nodes[i].ID] = nodes[i]
			nodes[i].Edges.ContactPoints = []*EntityContactPoint{}
		}
		query.withFKs = true
		query.Where(predicate.EntityContactPoint(func(s *sql.Selector) {
			s.Where(sql.InValues(entity.ContactPointsColumn, fks...))
		}))
		neighbors, err := query.All(ctx)
		if err != nil {
			return nil, err
		}
		for _, n := range neighbors {
			fk := n.entity_contact_points
			if fk == nil {
				return nil, fmt.Errorf(`foreign-key "entity_contact_points" is nil for node %v`, n.ID)
			}
			node, ok := nodeids[*fk]
			if !ok {
				return nil, fmt.Errorf(`unexpected foreign-key "entity_contact_points" returned %v for node %v`, *fk, n.ID)
			}
			node.Edges.ContactPoints = append(node.Edges.ContactPoints, n)
		}
	}

	if query := eq.withOwnsAccount; query != nil {
		fks := make([]driver.Value, 0, len(nodes))
		ids := make(map[uuid.UUID]*Entity, len(nodes))
		for _, node := range nodes {
			ids[node.ID] = node
			fks = append(fks, node.ID)
			node.Edges.OwnsAccount = []*Account{}
		}
		var (
			edgeids []uuid.UUID
			edges   = make(map[uuid.UUID][]*Entity)
		)
		_spec := &sqlgraph.EdgeQuerySpec{
			Edge: &sqlgraph.EdgeSpec{
				Inverse: true,
				Table:   entity.OwnsAccountTable,
				Columns: entity.OwnsAccountPrimaryKey,
			},
			Predicate: func(s *sql.Selector) {
				s.Where(sql.InValues(entity.OwnsAccountPrimaryKey[1], fks...))
			},

			ScanValues: func() [2]interface{} {
				return [2]interface{}{&uuid.UUID{}, &uuid.UUID{}}
			},
			Assign: func(out, in interface{}) error {
				eout, ok := out.(*uuid.UUID)
				if !ok || eout == nil {
					return fmt.Errorf("unexpected id value for edge-out")
				}
				ein, ok := in.(*uuid.UUID)
				if !ok || ein == nil {
					return fmt.Errorf("unexpected id value for edge-in")
				}
				outValue := *eout
				inValue := *ein
				node, ok := ids[outValue]
				if !ok {
					return fmt.Errorf("unexpected node id in edges: %v", outValue)
				}
				edgeids = append(edgeids, inValue)
				edges[inValue] = append(edges[inValue], node)
				return nil
			},
		}
		if err := sqlgraph.QueryEdges(ctx, eq.driver, _spec); err != nil {
			return nil, fmt.Errorf(`query edges "owns_account": %w`, err)
		}
		query.Where(account.IDIn(edgeids...))
		neighbors, err := query.All(ctx)
		if err != nil {
			return nil, err
		}
		for _, n := range neighbors {
			nodes, ok := edges[n.ID]
			if !ok {
				return nil, fmt.Errorf(`unexpected "owns_account" node returned %v`, n.ID)
			}
			for i := range nodes {
				nodes[i].Edges.OwnsAccount = append(nodes[i].Edges.OwnsAccount, n)
			}
		}
	}

	return nodes, nil
}

func (eq *EntityQuery) sqlCount(ctx context.Context) (int, error) {
	_spec := eq.querySpec()
	return sqlgraph.CountNodes(ctx, eq.driver, _spec)
}

func (eq *EntityQuery) sqlExist(ctx context.Context) (bool, error) {
	n, err := eq.sqlCount(ctx)
	if err != nil {
		return false, fmt.Errorf("ent: check existence: %w", err)
	}
	return n > 0, nil
}

func (eq *EntityQuery) querySpec() *sqlgraph.QuerySpec {
	_spec := &sqlgraph.QuerySpec{
		Node: &sqlgraph.NodeSpec{
			Table:   entity.Table,
			Columns: entity.Columns,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeUUID,
				Column: entity.FieldID,
			},
		},
		From:   eq.sql,
		Unique: true,
	}
	if fields := eq.fields; len(fields) > 0 {
		_spec.Node.Columns = make([]string, 0, len(fields))
		_spec.Node.Columns = append(_spec.Node.Columns, entity.FieldID)
		for i := range fields {
			if fields[i] != entity.FieldID {
				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
			}
		}
	}
	if ps := eq.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if limit := eq.limit; limit != nil {
		_spec.Limit = *limit
	}
	if offset := eq.offset; offset != nil {
		_spec.Offset = *offset
	}
	if ps := eq.order; len(ps) > 0 {
		_spec.Order = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector, entity.ValidColumn)
			}
		}
	}
	return _spec
}

func (eq *EntityQuery) sqlQuery(ctx context.Context) *sql.Selector {
	builder := sql.Dialect(eq.driver.Dialect())
	t1 := builder.Table(entity.Table)
	selector := builder.Select(t1.Columns(entity.Columns...)...).From(t1)
	if eq.sql != nil {
		selector = eq.sql
		selector.Select(selector.Columns(entity.Columns...)...)
	}
	for _, p := range eq.predicates {
		p(selector)
	}
	for _, p := range eq.order {
		p(selector, entity.ValidColumn)
	}
	if offset := eq.offset; offset != nil {
		// limit is mandatory for offset clause. We start
		// with default value, and override it below if needed.
		selector.Offset(*offset).Limit(math.MaxInt32)
	}
	if limit := eq.limit; limit != nil {
		selector.Limit(*limit)
	}
	return selector
}

// EntityGroupBy is the group-by builder for Entity entities.
type EntityGroupBy struct {
	config
	fields []string
	fns    []AggregateFunc
	// intermediate query (i.e. traversal path).
	sql  *sql.Selector
	path func(context.Context) (*sql.Selector, error)
}

// Aggregate adds the given aggregation functions to the group-by query.
func (egb *EntityGroupBy) Aggregate(fns ...AggregateFunc) *EntityGroupBy {
	egb.fns = append(egb.fns, fns...)
	return egb
}

// Scan applies the group-by query and scans the result into the given value.
func (egb *EntityGroupBy) Scan(ctx context.Context, v interface{}) error {
	query, err := egb.path(ctx)
	if err != nil {
		return err
	}
	egb.sql = query
	return egb.sqlScan(ctx, v)
}

// ScanX is like Scan, but panics if an error occurs.
func (egb *EntityGroupBy) ScanX(ctx context.Context, v interface{}) {
	if err := egb.Scan(ctx, v); err != nil {
		panic(err)
	}
}

// Strings returns list of strings from group-by.
// It is only allowed when executing a group-by query with one field.
func (egb *EntityGroupBy) Strings(ctx context.Context) ([]string, error) {
	if len(egb.fields) > 1 {
		return nil, errors.New("ent: EntityGroupBy.Strings is not achievable when grouping more than 1 field")
	}
	var v []string
	if err := egb.Scan(ctx, &v); err != nil {
		return nil, err
	}
	return v, nil
}

// StringsX is like Strings, but panics if an error occurs.
func (egb *EntityGroupBy) StringsX(ctx context.Context) []string {
	v, err := egb.Strings(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// String returns a single string from a group-by query.
// It is only allowed when executing a group-by query with one field.
func (egb *EntityGroupBy) String(ctx context.Context) (_ string, err error) {
	var v []string
	if v, err = egb.Strings(ctx); err != nil {
		return
	}
	switch len(v) {
	case 1:
		return v[0], nil
	case 0:
		err = &NotFoundError{entity.Label}
	default:
		err = fmt.Errorf("ent: EntityGroupBy.Strings returned %d results when one was expected", len(v))
	}
	return
}

// StringX is like String, but panics if an error occurs.
func (egb *EntityGroupBy) StringX(ctx context.Context) string {
	v, err := egb.String(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Ints returns list of ints from group-by.
// It is only allowed when executing a group-by query with one field.
func (egb *EntityGroupBy) Ints(ctx context.Context) ([]int, error) {
	if len(egb.fields) > 1 {
		return nil, errors.New("ent: EntityGroupBy.Ints is not achievable when grouping more than 1 field")
	}
	var v []int
	if err := egb.Scan(ctx, &v); err != nil {
		return nil, err
	}
	return v, nil
}

// IntsX is like Ints, but panics if an error occurs.
func (egb *EntityGroupBy) IntsX(ctx context.Context) []int {
	v, err := egb.Ints(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Int returns a single int from a group-by query.
// It is only allowed when executing a group-by query with one field.
func (egb *EntityGroupBy) Int(ctx context.Context) (_ int, err error) {
	var v []int
	if v, err = egb.Ints(ctx); err != nil {
		return
	}
	switch len(v) {
	case 1:
		return v[0], nil
	case 0:
		err = &NotFoundError{entity.Label}
	default:
		err = fmt.Errorf("ent: EntityGroupBy.Ints returned %d results when one was expected", len(v))
	}
	return
}

// IntX is like Int, but panics if an error occurs.
func (egb *EntityGroupBy) IntX(ctx context.Context) int {
	v, err := egb.Int(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Float64s returns list of float64s from group-by.
// It is only allowed when executing a group-by query with one field.
func (egb *EntityGroupBy) Float64s(ctx context.Context) ([]float64, error) {
	if len(egb.fields) > 1 {
		return nil, errors.New("ent: EntityGroupBy.Float64s is not achievable when grouping more than 1 field")
	}
	var v []float64
	if err := egb.Scan(ctx, &v); err != nil {
		return nil, err
	}
	return v, nil
}

// Float64sX is like Float64s, but panics if an error occurs.
func (egb *EntityGroupBy) Float64sX(ctx context.Context) []float64 {
	v, err := egb.Float64s(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Float64 returns a single float64 from a group-by query.
// It is only allowed when executing a group-by query with one field.
func (egb *EntityGroupBy) Float64(ctx context.Context) (_ float64, err error) {
	var v []float64
	if v, err = egb.Float64s(ctx); err != nil {
		return
	}
	switch len(v) {
	case 1:
		return v[0], nil
	case 0:
		err = &NotFoundError{entity.Label}
	default:
		err = fmt.Errorf("ent: EntityGroupBy.Float64s returned %d results when one was expected", len(v))
	}
	return
}

// Float64X is like Float64, but panics if an error occurs.
func (egb *EntityGroupBy) Float64X(ctx context.Context) float64 {
	v, err := egb.Float64(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Bools returns list of bools from group-by.
// It is only allowed when executing a group-by query with one field.
func (egb *EntityGroupBy) Bools(ctx context.Context) ([]bool, error) {
	if len(egb.fields) > 1 {
		return nil, errors.New("ent: EntityGroupBy.Bools is not achievable when grouping more than 1 field")
	}
	var v []bool
	if err := egb.Scan(ctx, &v); err != nil {
		return nil, err
	}
	return v, nil
}

// BoolsX is like Bools, but panics if an error occurs.
func (egb *EntityGroupBy) BoolsX(ctx context.Context) []bool {
	v, err := egb.Bools(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Bool returns a single bool from a group-by query.
// It is only allowed when executing a group-by query with one field.
func (egb *EntityGroupBy) Bool(ctx context.Context) (_ bool, err error) {
	var v []bool
	if v, err = egb.Bools(ctx); err != nil {
		return
	}
	switch len(v) {
	case 1:
		return v[0], nil
	case 0:
		err = &NotFoundError{entity.Label}
	default:
		err = fmt.Errorf("ent: EntityGroupBy.Bools returned %d results when one was expected", len(v))
	}
	return
}

// BoolX is like Bool, but panics if an error occurs.
func (egb *EntityGroupBy) BoolX(ctx context.Context) bool {
	v, err := egb.Bool(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

func (egb *EntityGroupBy) sqlScan(ctx context.Context, v interface{}) error {
	for _, f := range egb.fields {
		if !entity.ValidColumn(f) {
			return &ValidationError{Name: f, err: fmt.Errorf("invalid field %q for group-by", f)}
		}
	}
	selector := egb.sqlQuery()
	if err := selector.Err(); err != nil {
		return err
	}
	rows := &sql.Rows{}
	query, args := selector.Query()
	if err := egb.driver.Query(ctx, query, args, rows); err != nil {
		return err
	}
	defer rows.Close()
	return sql.ScanSlice(rows, v)
}

func (egb *EntityGroupBy) sqlQuery() *sql.Selector {
	selector := egb.sql
	columns := make([]string, 0, len(egb.fields)+len(egb.fns))
	columns = append(columns, egb.fields...)
	for _, fn := range egb.fns {
		columns = append(columns, fn(selector, entity.ValidColumn))
	}
	return selector.Select(columns...).GroupBy(egb.fields...)
}

// EntitySelect is the builder for selecting fields of Entity entities.
type EntitySelect struct {
	*EntityQuery
	// intermediate query (i.e. traversal path).
	sql *sql.Selector
}

// Scan applies the selector query and scans the result into the given value.
func (es *EntitySelect) Scan(ctx context.Context, v interface{}) error {
	if err := es.prepareQuery(ctx); err != nil {
		return err
	}
	es.sql = es.EntityQuery.sqlQuery(ctx)
	return es.sqlScan(ctx, v)
}

// ScanX is like Scan, but panics if an error occurs.
func (es *EntitySelect) ScanX(ctx context.Context, v interface{}) {
	if err := es.Scan(ctx, v); err != nil {
		panic(err)
	}
}

// Strings returns list of strings from a selector. It is only allowed when selecting one field.
func (es *EntitySelect) Strings(ctx context.Context) ([]string, error) {
	if len(es.fields) > 1 {
		return nil, errors.New("ent: EntitySelect.Strings is not achievable when selecting more than 1 field")
	}
	var v []string
	if err := es.Scan(ctx, &v); err != nil {
		return nil, err
	}
	return v, nil
}

// StringsX is like Strings, but panics if an error occurs.
func (es *EntitySelect) StringsX(ctx context.Context) []string {
	v, err := es.Strings(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// String returns a single string from a selector. It is only allowed when selecting one field.
func (es *EntitySelect) String(ctx context.Context) (_ string, err error) {
	var v []string
	if v, err = es.Strings(ctx); err != nil {
		return
	}
	switch len(v) {
	case 1:
		return v[0], nil
	case 0:
		err = &NotFoundError{entity.Label}
	default:
		err = fmt.Errorf("ent: EntitySelect.Strings returned %d results when one was expected", len(v))
	}
	return
}

// StringX is like String, but panics if an error occurs.
func (es *EntitySelect) StringX(ctx context.Context) string {
	v, err := es.String(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Ints returns list of ints from a selector. It is only allowed when selecting one field.
func (es *EntitySelect) Ints(ctx context.Context) ([]int, error) {
	if len(es.fields) > 1 {
		return nil, errors.New("ent: EntitySelect.Ints is not achievable when selecting more than 1 field")
	}
	var v []int
	if err := es.Scan(ctx, &v); err != nil {
		return nil, err
	}
	return v, nil
}

// IntsX is like Ints, but panics if an error occurs.
func (es *EntitySelect) IntsX(ctx context.Context) []int {
	v, err := es.Ints(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Int returns a single int from a selector. It is only allowed when selecting one field.
func (es *EntitySelect) Int(ctx context.Context) (_ int, err error) {
	var v []int
	if v, err = es.Ints(ctx); err != nil {
		return
	}
	switch len(v) {
	case 1:
		return v[0], nil
	case 0:
		err = &NotFoundError{entity.Label}
	default:
		err = fmt.Errorf("ent: EntitySelect.Ints returned %d results when one was expected", len(v))
	}
	return
}

// IntX is like Int, but panics if an error occurs.
func (es *EntitySelect) IntX(ctx context.Context) int {
	v, err := es.Int(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Float64s returns list of float64s from a selector. It is only allowed when selecting one field.
func (es *EntitySelect) Float64s(ctx context.Context) ([]float64, error) {
	if len(es.fields) > 1 {
		return nil, errors.New("ent: EntitySelect.Float64s is not achievable when selecting more than 1 field")
	}
	var v []float64
	if err := es.Scan(ctx, &v); err != nil {
		return nil, err
	}
	return v, nil
}

// Float64sX is like Float64s, but panics if an error occurs.
func (es *EntitySelect) Float64sX(ctx context.Context) []float64 {
	v, err := es.Float64s(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Float64 returns a single float64 from a selector. It is only allowed when selecting one field.
func (es *EntitySelect) Float64(ctx context.Context) (_ float64, err error) {
	var v []float64
	if v, err = es.Float64s(ctx); err != nil {
		return
	}
	switch len(v) {
	case 1:
		return v[0], nil
	case 0:
		err = &NotFoundError{entity.Label}
	default:
		err = fmt.Errorf("ent: EntitySelect.Float64s returned %d results when one was expected", len(v))
	}
	return
}

// Float64X is like Float64, but panics if an error occurs.
func (es *EntitySelect) Float64X(ctx context.Context) float64 {
	v, err := es.Float64(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Bools returns list of bools from a selector. It is only allowed when selecting one field.
func (es *EntitySelect) Bools(ctx context.Context) ([]bool, error) {
	if len(es.fields) > 1 {
		return nil, errors.New("ent: EntitySelect.Bools is not achievable when selecting more than 1 field")
	}
	var v []bool
	if err := es.Scan(ctx, &v); err != nil {
		return nil, err
	}
	return v, nil
}

// BoolsX is like Bools, but panics if an error occurs.
func (es *EntitySelect) BoolsX(ctx context.Context) []bool {
	v, err := es.Bools(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

// Bool returns a single bool from a selector. It is only allowed when selecting one field.
func (es *EntitySelect) Bool(ctx context.Context) (_ bool, err error) {
	var v []bool
	if v, err = es.Bools(ctx); err != nil {
		return
	}
	switch len(v) {
	case 1:
		return v[0], nil
	case 0:
		err = &NotFoundError{entity.Label}
	default:
		err = fmt.Errorf("ent: EntitySelect.Bools returned %d results when one was expected", len(v))
	}
	return
}

// BoolX is like Bool, but panics if an error occurs.
func (es *EntitySelect) BoolX(ctx context.Context) bool {
	v, err := es.Bool(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

func (es *EntitySelect) sqlScan(ctx context.Context, v interface{}) error {
	rows := &sql.Rows{}
	query, args := es.sqlQuery().Query()
	if err := es.driver.Query(ctx, query, args, rows); err != nil {
		return err
	}
	defer rows.Close()
	return sql.ScanSlice(rows, v)
}

func (es *EntitySelect) sqlQuery() sql.Querier {
	selector := es.sql
	selector.Select(selector.Columns(es.fields...)...)
	return selector
}