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// 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 entc, DO NOT EDIT.
package ent
import (
"fmt"
"strings"
"github.com/facebook/ent/dialect/sql"
"github.com/facebook/ent/examples/edgeindex/ent/city"
"github.com/facebook/ent/examples/edgeindex/ent/street"
)
// Street is the model entity for the Street schema.
type Street struct {
config `json:"-"`
// ID of the ent.
ID int `json:"id,omitempty"`
// Name holds the value of the "name" field.
Name string `json:"name,omitempty"`
// Edges holds the relations/edges for other nodes in the graph.
// The values are being populated by the StreetQuery when eager-loading is set.
Edges StreetEdges `json:"edges"`
city_streets *int
}
// StreetEdges holds the relations/edges for other nodes in the graph.
type StreetEdges struct {
// City holds the value of the city edge.
City *City
// loadedTypes holds the information for reporting if a
// type was loaded (or requested) in eager-loading or not.
loadedTypes [1]bool
}
// CityOrErr returns the City value or an error if the edge
// was not loaded in eager-loading, or loaded but was not found.
func (e StreetEdges) CityOrErr() (*City, error) {
if e.loadedTypes[0] {
if e.City == nil {
// The edge city was loaded in eager-loading,
// but was not found.
return nil, &NotFoundError{label: city.Label}
}
return e.City, nil
}
return nil, &NotLoadedError{edge: "city"}
}
// scanValues returns the types for scanning values from sql.Rows.
func (*Street) scanValues(columns []string) ([]interface{}, error) {
values := make([]interface{}, len(columns))
for i := range columns {
switch columns[i] {
case street.FieldID:
values[i] = &sql.NullInt64{}
case street.FieldName:
values[i] = &sql.NullString{}
case street.ForeignKeys[0]: // city_streets
values[i] = &sql.NullInt64{}
default:
return nil, fmt.Errorf("unexpected column %q for type Street", columns[i])
}
}
return values, nil
}
// assignValues assigns the values that were returned from sql.Rows (after scanning)
// to the Street fields.
func (s *Street) assignValues(columns []string, values []interface{}) error {
if m, n := len(values), len(columns); m < n {
return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
}
for i := range columns {
switch columns[i] {
case street.FieldID:
value, ok := values[i].(*sql.NullInt64)
if !ok {
return fmt.Errorf("unexpected type %T for field id", value)
}
s.ID = int(value.Int64)
case street.FieldName:
if value, ok := values[i].(*sql.NullString); !ok {
return fmt.Errorf("unexpected type %T for field name", values[i])
} else if value.Valid {
s.Name = value.String
}
case street.ForeignKeys[0]:
if value, ok := values[i].(*sql.NullInt64); !ok {
return fmt.Errorf("unexpected type %T for edge-field city_streets", value)
} else if value.Valid {
s.city_streets = new(int)
*s.city_streets = int(value.Int64)
}
}
}
return nil
}
// QueryCity queries the "city" edge of the Street entity.
func (s *Street) QueryCity() *CityQuery {
return (&StreetClient{config: s.config}).QueryCity(s)
}
// Update returns a builder for updating this Street.
// Note that you need to call Street.Unwrap() before calling this method if this Street
// was returned from a transaction, and the transaction was committed or rolled back.
func (s *Street) Update() *StreetUpdateOne {
return (&StreetClient{config: s.config}).UpdateOne(s)
}
// Unwrap unwraps the Street entity that was returned from a transaction after it was closed,
// so that all future queries will be executed through the driver which created the transaction.
func (s *Street) Unwrap() *Street {
tx, ok := s.config.driver.(*txDriver)
if !ok {
panic("ent: Street is not a transactional entity")
}
s.config.driver = tx.drv
return s
}
// String implements the fmt.Stringer.
func (s *Street) String() string {
var builder strings.Builder
builder.WriteString("Street(")
builder.WriteString(fmt.Sprintf("id=%v", s.ID))
builder.WriteString(", name=")
builder.WriteString(s.Name)
builder.WriteByte(')')
return builder.String()
}
// Streets is a parsable slice of Street.
type Streets []*Street
func (s Streets) config(cfg config) {
for _i := range s {
s[_i].config = cfg
}
}
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