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package
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 Go to latest Published: Jan 30, 2020 License: Apache-2.0 Imports: 18 Imported by: 0

Documentation

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

func IsConstraintError 

func IsConstraintError(err error) bool

IsConstraintError returns a boolean indicating whether the error is a constraint failure.

func IsNotFound 

func IsNotFound(err error) bool

IsNotFound returns a boolean indicating whether the error is a not found error.

func IsNotLoaded 

func IsNotLoaded(err error) bool

IsNotLoaded returns a boolean indicating whether the error is a not loaded error.

func IsNotSingular 

func IsNotSingular(err error) bool

IsNotSingular returns a boolean indicating whether the error is a not singular error.

func MaskNotFound 

func MaskNotFound(err error) error

MaskNotFound masks nor found error.

func NewContext 

func NewContext(parent context.Context, c *Client) context.Context

NewContext returns a new context with the given Client attached.

Types

type Aggregate 

type Aggregate func(*sql.Selector) string

Aggregate applies an aggregation step on the group-by traversal/selector.

func As 

func As(fn Aggregate, end string) Aggregate

As is a pseudo aggregation function for renaming another other functions with custom names. For example: 

GroupBy(field1, field2).
Aggregate(ent.As(ent.Sum(field1), "sum_field1"), (ent.As(ent.Sum(field2), "sum_field2")).
Scan(ctx, &v)

func Count 

func Count() Aggregate

Count applies the "count" aggregation function on each group.

func Max 

func Max(field string) Aggregate

Max applies the "max" aggregation function on the given field of each group.

func Mean 

func Mean(field string) Aggregate

Mean applies the "mean" aggregation function on the given field of each group.

func Min 

func Min(field string) Aggregate

Min applies the "min" aggregation function on the given field of each group.

func Sum 

func Sum(field string) Aggregate

Sum applies the "sum" aggregation function on the given field of each group.

type Car 

type Car struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// Model holds the value of the "model" field.
	Model string `json:"model,omitempty"`
	// RegisteredAt holds the value of the "registered_at" field.
	RegisteredAt time.Time `json:"registered_at,omitempty"`
	// Edges holds the relations/edges for other nodes in the graph.
	// The values are being populated by the CarQuery when eager-loading is set.
	Edges CarEdges `json:"edges"`
	// contains filtered or unexported fields
}

Car is the model entity for the Car schema.

Example 
if dsn == "" {
	return
}
ctx := context.Background()
drv, err := sql.Open("mysql", dsn)
if err != nil {
	log.Fatalf("failed creating database client: %v", err)
}
defer drv.Close()
client := NewClient(Driver(drv))
// creating vertices for the car's edges.

// create car vertex with its edges.
c := client.Car.
	Create().
	SetModel("string").
	SetRegisteredAt(time.Now()).
	SaveX(ctx)
log.Println("car created:", c)

// query edges.

Output:

func (*Car) QueryOwner 

func (c *Car) QueryOwner() *UserQuery

QueryOwner queries the owner edge of the Car.

func (*Car) String 

func (c *Car) String() string

String implements the fmt.Stringer.

func (*Car) Unwrap 

func (c *Car) Unwrap() *Car

Unwrap unwraps the entity that was returned from a transaction after it was closed, so that all next queries will be executed through the driver which created the transaction.

func (*Car) Update 

func (c *Car) Update() *CarUpdateOne

Update returns a builder for updating this Car. Note that, you need to call Car.Unwrap() before calling this method, if this Car was returned from a transaction, and the transaction was committed or rolled back.

type CarClient 

type CarClient struct {
	// contains filtered or unexported fields
}

CarClient is a client for the Car schema.

func NewCarClient 

func NewCarClient(c config) *CarClient

NewCarClient returns a client for the Car from the given config.

func (*CarClient) Create 

func (c *CarClient) Create() *CarCreate

Create returns a create builder for Car.

func (*CarClient) Delete 

func (c *CarClient) Delete() *CarDelete

Delete returns a delete builder for Car.

func (*CarClient) DeleteOne 

func (c *CarClient) DeleteOne(ca *Car) *CarDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*CarClient) DeleteOneID 

func (c *CarClient) DeleteOneID(id int) *CarDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*CarClient) Get 

func (c *CarClient) Get(ctx context.Context, id int) (*Car, error)

Get returns a Car entity by its id.

func (*CarClient) GetX 

func (c *CarClient) GetX(ctx context.Context, id int) *Car

GetX is like Get, but panics if an error occurs.

func (*CarClient) Query 

func (c *CarClient) Query() *CarQuery

Create returns a query builder for Car.

func (*CarClient) QueryOwner 

func (c *CarClient) QueryOwner(ca *Car) *UserQuery

QueryOwner queries the owner edge of a Car.

func (*CarClient) Update 

func (c *CarClient) Update() *CarUpdate

Update returns an update builder for Car.

func (*CarClient) UpdateOne 

func (c *CarClient) UpdateOne(ca *Car) *CarUpdateOne

UpdateOne returns an update builder for the given entity.

func (*CarClient) UpdateOneID 

func (c *CarClient) UpdateOneID(id int) *CarUpdateOne

UpdateOneID returns an update builder for the given id.

type CarCreate 

type CarCreate struct {
	// contains filtered or unexported fields
}

CarCreate is the builder for creating a Car entity.

func (*CarCreate) Save 

func (cc *CarCreate) Save(ctx context.Context) (*Car, error)

Save creates the Car in the database.

func (*CarCreate) SaveX 

func (cc *CarCreate) SaveX(ctx context.Context) *Car

SaveX calls Save and panics if Save returns an error.

func (*CarCreate) SetModel 

func (cc *CarCreate) SetModel(s string) *CarCreate

SetModel sets the model field.

func (*CarCreate) SetNillableOwnerID 

func (cc *CarCreate) SetNillableOwnerID(id *int) *CarCreate

SetNillableOwnerID sets the owner edge to User by id if the given value is not nil.

func (*CarCreate) SetOwner 

func (cc *CarCreate) SetOwner(u *User) *CarCreate

SetOwner sets the owner edge to User.

func (*CarCreate) SetOwnerID 

func (cc *CarCreate) SetOwnerID(id int) *CarCreate

SetOwnerID sets the owner edge to User by id.

func (*CarCreate) SetRegisteredAt 

func (cc *CarCreate) SetRegisteredAt(t time.Time) *CarCreate

SetRegisteredAt sets the registered_at field.

type CarDelete 

type CarDelete struct {
	// contains filtered or unexported fields
}

CarDelete is the builder for deleting a Car entity.

func (*CarDelete) Exec 

func (cd *CarDelete) Exec(ctx context.Context) (int, error)

Exec executes the deletion query and returns how many vertices were deleted.

func (*CarDelete) ExecX 

func (cd *CarDelete) ExecX(ctx context.Context) int

ExecX is like Exec, but panics if an error occurs.

func (*CarDelete) Where 

func (cd *CarDelete) Where(ps ...predicate.Car) *CarDelete

Where adds a new predicate to the delete builder.

type CarDeleteOne 

type CarDeleteOne struct {
	// contains filtered or unexported fields
}

CarDeleteOne is the builder for deleting a single Car entity.

func (*CarDeleteOne) Exec 

func (cdo *CarDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*CarDeleteOne) ExecX 

func (cdo *CarDeleteOne) ExecX(ctx context.Context)

ExecX is like Exec, but panics if an error occurs.

type CarEdges 

type CarEdges struct {
	// Owner holds the value of the owner edge.
	Owner *User
	// contains filtered or unexported fields
}

CarEdges holds the relations/edges for other nodes in the graph.

func (CarEdges) OwnerOrErr 

func (e CarEdges) OwnerOrErr() (*User, error)

OwnerOrErr returns the Owner value or an error if the edge was not loaded in eager-loading, or loaded but was not found.

type CarGroupBy 

type CarGroupBy struct {
	// contains filtered or unexported fields
}

CarGroupBy is the builder for group-by Car entities.

func (*CarGroupBy) Aggregate 

func (cgb *CarGroupBy) Aggregate(fns ...Aggregate) *CarGroupBy

Aggregate adds the given aggregation functions to the group-by query.

func (*CarGroupBy) Bools 

func (cgb *CarGroupBy) Bools(ctx context.Context) ([]bool, error)

Bools returns list of bools from group-by. It is only allowed when querying group-by with one field.

func (*CarGroupBy) BoolsX 

func (cgb *CarGroupBy) BoolsX(ctx context.Context) []bool

BoolsX is like Bools, but panics if an error occurs.

func (*CarGroupBy) Float64s 

func (cgb *CarGroupBy) Float64s(ctx context.Context) ([]float64, error)

Float64s returns list of float64s from group-by. It is only allowed when querying group-by with one field.

func (*CarGroupBy) Float64sX 

func (cgb *CarGroupBy) Float64sX(ctx context.Context) []float64

Float64sX is like Float64s, but panics if an error occurs.

func (*CarGroupBy) Ints 

func (cgb *CarGroupBy) Ints(ctx context.Context) ([]int, error)

Ints returns list of ints from group-by. It is only allowed when querying group-by with one field.

func (*CarGroupBy) IntsX 

func (cgb *CarGroupBy) IntsX(ctx context.Context) []int

IntsX is like Ints, but panics if an error occurs.

func (*CarGroupBy) Scan 

func (cgb *CarGroupBy) Scan(ctx context.Context, v interface{}) error

Scan applies the group-by query and scan the result into the given value.

func (*CarGroupBy) ScanX 

func (cgb *CarGroupBy) ScanX(ctx context.Context, v interface{})

ScanX is like Scan, but panics if an error occurs.

func (*CarGroupBy) Strings 

func (cgb *CarGroupBy) Strings(ctx context.Context) ([]string, error)

Strings returns list of strings from group-by. It is only allowed when querying group-by with one field.

func (*CarGroupBy) StringsX 

func (cgb *CarGroupBy) StringsX(ctx context.Context) []string

StringsX is like Strings, but panics if an error occurs.

type CarQuery 

type CarQuery struct {
	// contains filtered or unexported fields
}

CarQuery is the builder for querying Car entities.

func (*CarQuery) All 

func (cq *CarQuery) All(ctx context.Context) ([]*Car, error)

All executes the query and returns a list of Cars.

func (*CarQuery) AllX 

func (cq *CarQuery) AllX(ctx context.Context) []*Car

AllX is like All, but panics if an error occurs.

func (*CarQuery) Clone 

func (cq *CarQuery) Clone() *CarQuery

Clone returns a duplicate of the query builder, including all associated steps. It can be used to prepare common query builders and use them differently after the clone is made.

func (*CarQuery) Count 

func (cq *CarQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*CarQuery) CountX 

func (cq *CarQuery) CountX(ctx context.Context) int

CountX is like Count, but panics if an error occurs.

func (*CarQuery) Exist 

func (cq *CarQuery) Exist(ctx context.Context) (bool, error)

Exist returns true if the query has elements in the graph.

func (*CarQuery) ExistX 

func (cq *CarQuery) ExistX(ctx context.Context) bool

ExistX is like Exist, but panics if an error occurs.

func (*CarQuery) First 

func (cq *CarQuery) First(ctx context.Context) (*Car, error)

First returns the first Car entity in the query. Returns *NotFoundError when no car was found.

func (*CarQuery) FirstID 

func (cq *CarQuery) FirstID(ctx context.Context) (id int, err error)

FirstID returns the first Car id in the query. Returns *NotFoundError when no id was found.

func (*CarQuery) FirstX 

func (cq *CarQuery) FirstX(ctx context.Context) *Car

FirstX is like First, but panics if an error occurs.

func (*CarQuery) FirstXID 

func (cq *CarQuery) FirstXID(ctx context.Context) int

FirstXID is like FirstID, but panics if an error occurs.

func (*CarQuery) GroupBy 

func (cq *CarQuery) GroupBy(field string, fields ...string) *CarGroupBy

GroupBy 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 {
	Model string `json:"model,omitempty"`
	Count int `json:"count,omitempty"`
}

client.Car.Query().
	GroupBy(car.FieldModel).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*CarQuery) IDs 

func (cq *CarQuery) IDs(ctx context.Context) ([]int, error)

IDs executes the query and returns a list of Car ids.

func (*CarQuery) IDsX 

func (cq *CarQuery) IDsX(ctx context.Context) []int

IDsX is like IDs, but panics if an error occurs.

func (*CarQuery) Limit 

func (cq *CarQuery) Limit(limit int) *CarQuery

Limit adds a limit step to the query.

func (*CarQuery) Offset 

func (cq *CarQuery) Offset(offset int) *CarQuery

Offset adds an offset step to the query.

func (*CarQuery) Only 

func (cq *CarQuery) Only(ctx context.Context) (*Car, error)

Only returns the only Car entity in the query, returns an error if not exactly one entity was returned.

func (*CarQuery) OnlyID 

func (cq *CarQuery) OnlyID(ctx context.Context) (id int, err error)

OnlyID returns the only Car id in the query, returns an error if not exactly one id was returned.

func (*CarQuery) OnlyX 

func (cq *CarQuery) OnlyX(ctx context.Context) *Car

OnlyX is like Only, but panics if an error occurs.

func (*CarQuery) OnlyXID 

func (cq *CarQuery) OnlyXID(ctx context.Context) int

OnlyXID is like OnlyID, but panics if an error occurs.

func (*CarQuery) Order 

func (cq *CarQuery) Order(o ...Order) *CarQuery

Order adds an order step to the query.

func (*CarQuery) QueryOwner 

func (cq *CarQuery) QueryOwner() *UserQuery

QueryOwner chains the current query on the owner edge.

func (*CarQuery) Select 

func (cq *CarQuery) Select(field string, fields ...string) *CarSelect

Select one or more fields from the given query.

Example: 

var v []struct {
	Model string `json:"model,omitempty"`
}

client.Car.Query().
	Select(car.FieldModel).
	Scan(ctx, &v)

func (*CarQuery) Where 

func (cq *CarQuery) Where(ps ...predicate.Car) *CarQuery

Where adds a new predicate for the builder.

func (*CarQuery) WithOwner 

func (cq *CarQuery) WithOwner(opts ...func(*UserQuery)) *CarQuery
WithOwner tells the query-builder to eager-loads the nodes that are connected to

the "owner" edge. The optional arguments used to configure the query builder of the edge.

type CarSelect 

type CarSelect struct {
	// contains filtered or unexported fields
}

CarSelect is the builder for select fields of Car entities.

func (*CarSelect) Bools 

func (cs *CarSelect) Bools(ctx context.Context) ([]bool, error)

Bools returns list of bools from selector. It is only allowed when selecting one field.

func (*CarSelect) BoolsX 

func (cs *CarSelect) BoolsX(ctx context.Context) []bool

BoolsX is like Bools, but panics if an error occurs.

func (*CarSelect) Float64s 

func (cs *CarSelect) Float64s(ctx context.Context) ([]float64, error)

Float64s returns list of float64s from selector. It is only allowed when selecting one field.

func (*CarSelect) Float64sX 

func (cs *CarSelect) Float64sX(ctx context.Context) []float64

Float64sX is like Float64s, but panics if an error occurs.

func (*CarSelect) Ints 

func (cs *CarSelect) Ints(ctx context.Context) ([]int, error)

Ints returns list of ints from selector. It is only allowed when selecting one field.

func (*CarSelect) IntsX 

func (cs *CarSelect) IntsX(ctx context.Context) []int

IntsX is like Ints, but panics if an error occurs.

func (*CarSelect) Scan 

func (cs *CarSelect) Scan(ctx context.Context, v interface{}) error

Scan applies the selector query and scan the result into the given value.

func (*CarSelect) ScanX 

func (cs *CarSelect) ScanX(ctx context.Context, v interface{})

ScanX is like Scan, but panics if an error occurs.

func (*CarSelect) Strings 

func (cs *CarSelect) Strings(ctx context.Context) ([]string, error)

Strings returns list of strings from selector. It is only allowed when selecting one field.

func (*CarSelect) StringsX 

func (cs *CarSelect) StringsX(ctx context.Context) []string

StringsX is like Strings, but panics if an error occurs.

type CarUpdate 

type CarUpdate struct {
	// contains filtered or unexported fields
}

CarUpdate is the builder for updating Car entities.

func (*CarUpdate) ClearOwner 

func (cu *CarUpdate) ClearOwner() *CarUpdate

ClearOwner clears the owner edge to User.

func (*CarUpdate) Exec 

func (cu *CarUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*CarUpdate) ExecX 

func (cu *CarUpdate) ExecX(ctx context.Context)

ExecX is like Exec, but panics if an error occurs.

func (*CarUpdate) Save 

func (cu *CarUpdate) Save(ctx context.Context) (int, error)

Save executes the query and returns the number of rows/vertices matched by this operation.

func (*CarUpdate) SaveX 

func (cu *CarUpdate) SaveX(ctx context.Context) int

SaveX is like Save, but panics if an error occurs.

func (*CarUpdate) SetModel 

func (cu *CarUpdate) SetModel(s string) *CarUpdate

SetModel sets the model field.

func (*CarUpdate) SetNillableOwnerID 

func (cu *CarUpdate) SetNillableOwnerID(id *int) *CarUpdate

SetNillableOwnerID sets the owner edge to User by id if the given value is not nil.

func (*CarUpdate) SetOwner 

func (cu *CarUpdate) SetOwner(u *User) *CarUpdate

SetOwner sets the owner edge to User.

func (*CarUpdate) SetOwnerID 

func (cu *CarUpdate) SetOwnerID(id int) *CarUpdate

SetOwnerID sets the owner edge to User by id.

func (*CarUpdate) SetRegisteredAt 

func (cu *CarUpdate) SetRegisteredAt(t time.Time) *CarUpdate

SetRegisteredAt sets the registered_at field.

func (*CarUpdate) Where 

func (cu *CarUpdate) Where(ps ...predicate.Car) *CarUpdate

Where adds a new predicate for the builder.

type CarUpdateOne 

type CarUpdateOne struct {
	// contains filtered or unexported fields
}

CarUpdateOne is the builder for updating a single Car entity.

func (*CarUpdateOne) ClearOwner 

func (cuo *CarUpdateOne) ClearOwner() *CarUpdateOne

ClearOwner clears the owner edge to User.

func (*CarUpdateOne) Exec 

func (cuo *CarUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*CarUpdateOne) ExecX 

func (cuo *CarUpdateOne) ExecX(ctx context.Context)

ExecX is like Exec, but panics if an error occurs.

func (*CarUpdateOne) Save 

func (cuo *CarUpdateOne) Save(ctx context.Context) (*Car, error)

Save executes the query and returns the updated entity.

func (*CarUpdateOne) SaveX 

func (cuo *CarUpdateOne) SaveX(ctx context.Context) *Car

SaveX is like Save, but panics if an error occurs.

func (*CarUpdateOne) SetModel 

func (cuo *CarUpdateOne) SetModel(s string) *CarUpdateOne

SetModel sets the model field.

func (*CarUpdateOne) SetNillableOwnerID 

func (cuo *CarUpdateOne) SetNillableOwnerID(id *int) *CarUpdateOne

SetNillableOwnerID sets the owner edge to User by id if the given value is not nil.

func (*CarUpdateOne) SetOwner 

func (cuo *CarUpdateOne) SetOwner(u *User) *CarUpdateOne

SetOwner sets the owner edge to User.

func (*CarUpdateOne) SetOwnerID 

func (cuo *CarUpdateOne) SetOwnerID(id int) *CarUpdateOne

SetOwnerID sets the owner edge to User by id.

func (*CarUpdateOne) SetRegisteredAt 

func (cuo *CarUpdateOne) SetRegisteredAt(t time.Time) *CarUpdateOne

SetRegisteredAt sets the registered_at field.

type Cars 

type Cars []*Car

Cars is a parsable slice of Car.

type Client 

type Client struct {

	// Schema is the client for creating, migrating and dropping schema.
	Schema *migrate.Schema
	// Car is the client for interacting with the Car builders.
	Car *CarClient
	// Group is the client for interacting with the Group builders.
	Group *GroupClient
	// User is the client for interacting with the User builders.
	User *UserClient
	// contains filtered or unexported fields
}

Client is the client that holds all ent builders.

func FromContext 

func FromContext(ctx context.Context) *Client

FromContext returns the Client stored in a context, or nil if there isn't one.

func NewClient 

func NewClient(opts ...Option) *Client

NewClient creates a new client configured with the given options.

func Open 

func Open(driverName, dataSourceName string, options ...Option) (*Client, error)

Open opens a connection to the database specified by the driver name and a driver-specific data source name, and returns a new client attached to it. Optional parameters can be added for configuring the client.

func (*Client) Close 

func (c *Client) Close() error

Close closes the database connection and prevents new queries from starting.

func (*Client) Debug 

func (c *Client) Debug() *Client

Debug returns a new debug-client. It's used to get verbose logging on specific operations. 

client.Debug().
	Car.
	Query().
	Count(ctx)

func (*Client) Tx 

func (c *Client) Tx(ctx context.Context) (*Tx, error)

Tx returns a new transactional client.

type ConstraintError 

type ConstraintError struct {
	// contains filtered or unexported fields
}

ConstraintError returns when trying to create/update one or more entities and one or more of their constraints failed. For example, violation of edge or field uniqueness.

func (ConstraintError) Error 

func (e ConstraintError) Error() string

Error implements the error interface.

func (*ConstraintError) Unwrap 

func (e *ConstraintError) Unwrap() error

Unwrap implements the errors.Wrapper interface.

type Group 

type Group struct {

	// 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 GroupQuery when eager-loading is set.
	Edges GroupEdges `json:"edges"`
	// contains filtered or unexported fields
}

Group is the model entity for the Group schema.

Example 
if dsn == "" {
	return
}
ctx := context.Background()
drv, err := sql.Open("mysql", dsn)
if err != nil {
	log.Fatalf("failed creating database client: %v", err)
}
defer drv.Close()
client := NewClient(Driver(drv))
// creating vertices for the group's edges.
u0 := client.User.
	Create().
	SetAge(1).
	SetName("string").
	SaveX(ctx)
log.Println("user created:", u0)

// create group vertex with its edges.
gr := client.Group.
	Create().
	SetName("string").
	AddUsers(u0).
	SaveX(ctx)
log.Println("group created:", gr)

// query edges.
u0, err = gr.QueryUsers().First(ctx)
if err != nil {
	log.Fatalf("failed querying users: %v", err)
}
log.Println("users found:", u0)

Output:

func (*Group) QueryUsers 

func (gr *Group) QueryUsers() *UserQuery

QueryUsers queries the users edge of the Group.

func (*Group) String 

func (gr *Group) String() string

String implements the fmt.Stringer.

func (*Group) Unwrap 

func (gr *Group) Unwrap() *Group

Unwrap unwraps the entity that was returned from a transaction after it was closed, so that all next queries will be executed through the driver which created the transaction.

func (*Group) Update 

func (gr *Group) Update() *GroupUpdateOne

Update returns a builder for updating this Group. Note that, you need to call Group.Unwrap() before calling this method, if this Group was returned from a transaction, and the transaction was committed or rolled back.

type GroupClient 

type GroupClient struct {
	// contains filtered or unexported fields
}

GroupClient is a client for the Group schema.

func NewGroupClient 

func NewGroupClient(c config) *GroupClient

NewGroupClient returns a client for the Group from the given config.

func (*GroupClient) Create 

func (c *GroupClient) Create() *GroupCreate

Create returns a create builder for Group.

func (*GroupClient) Delete 

func (c *GroupClient) Delete() *GroupDelete

Delete returns a delete builder for Group.

func (*GroupClient) DeleteOne 

func (c *GroupClient) DeleteOne(gr *Group) *GroupDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*GroupClient) DeleteOneID 

func (c *GroupClient) DeleteOneID(id int) *GroupDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*GroupClient) Get 

func (c *GroupClient) Get(ctx context.Context, id int) (*Group, error)

Get returns a Group entity by its id.

func (*GroupClient) GetX 

func (c *GroupClient) GetX(ctx context.Context, id int) *Group

GetX is like Get, but panics if an error occurs.

func (*GroupClient) Query 

func (c *GroupClient) Query() *GroupQuery

Create returns a query builder for Group.

func (*GroupClient) QueryUsers 

func (c *GroupClient) QueryUsers(gr *Group) *UserQuery

QueryUsers queries the users edge of a Group.

func (*GroupClient) Update 

func (c *GroupClient) Update() *GroupUpdate

Update returns an update builder for Group.

func (*GroupClient) UpdateOne 

func (c *GroupClient) UpdateOne(gr *Group) *GroupUpdateOne

UpdateOne returns an update builder for the given entity.

func (*GroupClient) UpdateOneID 

func (c *GroupClient) UpdateOneID(id int) *GroupUpdateOne

UpdateOneID returns an update builder for the given id.

type GroupCreate 

type GroupCreate struct {
	// contains filtered or unexported fields
}

GroupCreate is the builder for creating a Group entity.

func (*GroupCreate) AddUserIDs 

func (gc *GroupCreate) AddUserIDs(ids ...int) *GroupCreate

AddUserIDs adds the users edge to User by ids.

func (*GroupCreate) AddUsers 

func (gc *GroupCreate) AddUsers(u ...*User) *GroupCreate

AddUsers adds the users edges to User.

func (*GroupCreate) Save 

func (gc *GroupCreate) Save(ctx context.Context) (*Group, error)

Save creates the Group in the database.

func (*GroupCreate) SaveX 

func (gc *GroupCreate) SaveX(ctx context.Context) *Group

SaveX calls Save and panics if Save returns an error.

func (*GroupCreate) SetName 

func (gc *GroupCreate) SetName(s string) *GroupCreate

SetName sets the name field.

type GroupDelete 

type GroupDelete struct {
	// contains filtered or unexported fields
}

GroupDelete is the builder for deleting a Group entity.

func (*GroupDelete) Exec 

func (gd *GroupDelete) Exec(ctx context.Context) (int, error)

Exec executes the deletion query and returns how many vertices were deleted.

func (*GroupDelete) ExecX 

func (gd *GroupDelete) ExecX(ctx context.Context) int

ExecX is like Exec, but panics if an error occurs.

func (*GroupDelete) Where 

func (gd *GroupDelete) Where(ps ...predicate.Group) *GroupDelete

Where adds a new predicate to the delete builder.

type GroupDeleteOne 

type GroupDeleteOne struct {
	// contains filtered or unexported fields
}

GroupDeleteOne is the builder for deleting a single Group entity.

func (*GroupDeleteOne) Exec 

func (gdo *GroupDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*GroupDeleteOne) ExecX 

func (gdo *GroupDeleteOne) ExecX(ctx context.Context)

ExecX is like Exec, but panics if an error occurs.

type GroupEdges 

type GroupEdges struct {
	// Users holds the value of the users edge.
	Users []*User
	// contains filtered or unexported fields
}

GroupEdges holds the relations/edges for other nodes in the graph.

func (GroupEdges) UsersOrErr 

func (e GroupEdges) UsersOrErr() ([]*User, error)

UsersOrErr returns the Users value or an error if the edge was not loaded in eager-loading.

type GroupGroupBy 

type GroupGroupBy struct {
	// contains filtered or unexported fields
}

GroupGroupBy is the builder for group-by Group entities.

func (*GroupGroupBy) Aggregate 

func (ggb *GroupGroupBy) Aggregate(fns ...Aggregate) *GroupGroupBy

Aggregate adds the given aggregation functions to the group-by query.

func (*GroupGroupBy) Bools 

func (ggb *GroupGroupBy) Bools(ctx context.Context) ([]bool, error)

Bools returns list of bools from group-by. It is only allowed when querying group-by with one field.

func (*GroupGroupBy) BoolsX 

func (ggb *GroupGroupBy) BoolsX(ctx context.Context) []bool

BoolsX is like Bools, but panics if an error occurs.

func (*GroupGroupBy) Float64s 

func (ggb *GroupGroupBy) Float64s(ctx context.Context) ([]float64, error)

Float64s returns list of float64s from group-by. It is only allowed when querying group-by with one field.

func (*GroupGroupBy) Float64sX 

func (ggb *GroupGroupBy) Float64sX(ctx context.Context) []float64

Float64sX is like Float64s, but panics if an error occurs.

func (*GroupGroupBy) Ints 

func (ggb *GroupGroupBy) Ints(ctx context.Context) ([]int, error)

Ints returns list of ints from group-by. It is only allowed when querying group-by with one field.

func (*GroupGroupBy) IntsX 

func (ggb *GroupGroupBy) IntsX(ctx context.Context) []int

IntsX is like Ints, but panics if an error occurs.

func (*GroupGroupBy) Scan 

func (ggb *GroupGroupBy) Scan(ctx context.Context, v interface{}) error

Scan applies the group-by query and scan the result into the given value.

func (*GroupGroupBy) ScanX 

func (ggb *GroupGroupBy) ScanX(ctx context.Context, v interface{})

ScanX is like Scan, but panics if an error occurs.

func (*GroupGroupBy) Strings 

func (ggb *GroupGroupBy) Strings(ctx context.Context) ([]string, error)

Strings returns list of strings from group-by. It is only allowed when querying group-by with one field.

func (*GroupGroupBy) StringsX 

func (ggb *GroupGroupBy) StringsX(ctx context.Context) []string

StringsX is like Strings, but panics if an error occurs.

type GroupQuery 

type GroupQuery struct {
	// contains filtered or unexported fields
}

GroupQuery is the builder for querying Group entities.

func (*GroupQuery) All 

func (gq *GroupQuery) All(ctx context.Context) ([]*Group, error)

All executes the query and returns a list of Groups.

func (*GroupQuery) AllX 

func (gq *GroupQuery) AllX(ctx context.Context) []*Group

AllX is like All, but panics if an error occurs.

func (*GroupQuery) Clone 

func (gq *GroupQuery) Clone() *GroupQuery

Clone returns a duplicate of the query builder, including all associated steps. It can be used to prepare common query builders and use them differently after the clone is made.

func (*GroupQuery) Count 

func (gq *GroupQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*GroupQuery) CountX 

func (gq *GroupQuery) CountX(ctx context.Context) int

CountX is like Count, but panics if an error occurs.

func (*GroupQuery) Exist 

func (gq *GroupQuery) Exist(ctx context.Context) (bool, error)

Exist returns true if the query has elements in the graph.

func (*GroupQuery) ExistX 

func (gq *GroupQuery) ExistX(ctx context.Context) bool

ExistX is like Exist, but panics if an error occurs.

func (*GroupQuery) First 

func (gq *GroupQuery) First(ctx context.Context) (*Group, error)

First returns the first Group entity in the query. Returns *NotFoundError when no group was found.

func (*GroupQuery) FirstID 

func (gq *GroupQuery) FirstID(ctx context.Context) (id int, err error)

FirstID returns the first Group id in the query. Returns *NotFoundError when no id was found.

func (*GroupQuery) FirstX 

func (gq *GroupQuery) FirstX(ctx context.Context) *Group

FirstX is like First, but panics if an error occurs.

func (*GroupQuery) FirstXID 

func (gq *GroupQuery) FirstXID(ctx context.Context) int

FirstXID is like FirstID, but panics if an error occurs.

func (*GroupQuery) GroupBy 

func (gq *GroupQuery) GroupBy(field string, fields ...string) *GroupGroupBy

GroupBy 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 {
	Name string `json:"name,omitempty"`
	Count int `json:"count,omitempty"`
}

client.Group.Query().
	GroupBy(group.FieldName).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*GroupQuery) IDs 

func (gq *GroupQuery) IDs(ctx context.Context) ([]int, error)

IDs executes the query and returns a list of Group ids.

func (*GroupQuery) IDsX 

func (gq *GroupQuery) IDsX(ctx context.Context) []int

IDsX is like IDs, but panics if an error occurs.

func (*GroupQuery) Limit 

func (gq *GroupQuery) Limit(limit int) *GroupQuery

Limit adds a limit step to the query.

func (*GroupQuery) Offset 

func (gq *GroupQuery) Offset(offset int) *GroupQuery

Offset adds an offset step to the query.

func (*GroupQuery) Only 

func (gq *GroupQuery) Only(ctx context.Context) (*Group, error)

Only returns the only Group entity in the query, returns an error if not exactly one entity was returned.

func (*GroupQuery) OnlyID 

func (gq *GroupQuery) OnlyID(ctx context.Context) (id int, err error)

OnlyID returns the only Group id in the query, returns an error if not exactly one id was returned.

func (*GroupQuery) OnlyX 

func (gq *GroupQuery) OnlyX(ctx context.Context) *Group

OnlyX is like Only, but panics if an error occurs.

func (*GroupQuery) OnlyXID 

func (gq *GroupQuery) OnlyXID(ctx context.Context) int

OnlyXID is like OnlyID, but panics if an error occurs.

func (*GroupQuery) Order 

func (gq *GroupQuery) Order(o ...Order) *GroupQuery

Order adds an order step to the query.

func (*GroupQuery) QueryUsers 

func (gq *GroupQuery) QueryUsers() *UserQuery

QueryUsers chains the current query on the users edge.

func (*GroupQuery) Select 

func (gq *GroupQuery) Select(field string, fields ...string) *GroupSelect

Select one or more fields from the given query.

Example: 

var v []struct {
	Name string `json:"name,omitempty"`
}

client.Group.Query().
	Select(group.FieldName).
	Scan(ctx, &v)

func (*GroupQuery) Where 

func (gq *GroupQuery) Where(ps ...predicate.Group) *GroupQuery

Where adds a new predicate for the builder.

func (*GroupQuery) WithUsers 

func (gq *GroupQuery) WithUsers(opts ...func(*UserQuery)) *GroupQuery
WithUsers tells the query-builder to eager-loads the nodes that are connected to

the "users" edge. The optional arguments used to configure the query builder of the edge.

type GroupSelect 

type GroupSelect struct {
	// contains filtered or unexported fields
}

GroupSelect is the builder for select fields of Group entities.

func (*GroupSelect) Bools 

func (gs *GroupSelect) Bools(ctx context.Context) ([]bool, error)

Bools returns list of bools from selector. It is only allowed when selecting one field.

func (*GroupSelect) BoolsX 

func (gs *GroupSelect) BoolsX(ctx context.Context) []bool

BoolsX is like Bools, but panics if an error occurs.

func (*GroupSelect) Float64s 

func (gs *GroupSelect) Float64s(ctx context.Context) ([]float64, error)

Float64s returns list of float64s from selector. It is only allowed when selecting one field.

func (*GroupSelect) Float64sX 

func (gs *GroupSelect) Float64sX(ctx context.Context) []float64

Float64sX is like Float64s, but panics if an error occurs.

func (*GroupSelect) Ints 

func (gs *GroupSelect) Ints(ctx context.Context) ([]int, error)

Ints returns list of ints from selector. It is only allowed when selecting one field.

func (*GroupSelect) IntsX 

func (gs *GroupSelect) IntsX(ctx context.Context) []int

IntsX is like Ints, but panics if an error occurs.

func (*GroupSelect) Scan 

func (gs *GroupSelect) Scan(ctx context.Context, v interface{}) error

Scan applies the selector query and scan the result into the given value.

func (*GroupSelect) ScanX 

func (gs *GroupSelect) ScanX(ctx context.Context, v interface{})

ScanX is like Scan, but panics if an error occurs.

func (*GroupSelect) Strings 

func (gs *GroupSelect) Strings(ctx context.Context) ([]string, error)

Strings returns list of strings from selector. It is only allowed when selecting one field.

func (*GroupSelect) StringsX 

func (gs *GroupSelect) StringsX(ctx context.Context) []string

StringsX is like Strings, but panics if an error occurs.

type GroupUpdate 

type GroupUpdate struct {
	// contains filtered or unexported fields
}

GroupUpdate is the builder for updating Group entities.

func (*GroupUpdate) AddUserIDs 

func (gu *GroupUpdate) AddUserIDs(ids ...int) *GroupUpdate

AddUserIDs adds the users edge to User by ids.

func (*GroupUpdate) AddUsers 

func (gu *GroupUpdate) AddUsers(u ...*User) *GroupUpdate

AddUsers adds the users edges to User.

func (*GroupUpdate) Exec 

func (gu *GroupUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*GroupUpdate) ExecX 

func (gu *GroupUpdate) ExecX(ctx context.Context)

ExecX is like Exec, but panics if an error occurs.

func (*GroupUpdate) RemoveUserIDs 

func (gu *GroupUpdate) RemoveUserIDs(ids ...int) *GroupUpdate

RemoveUserIDs removes the users edge to User by ids.

func (*GroupUpdate) RemoveUsers 

func (gu *GroupUpdate) RemoveUsers(u ...*User) *GroupUpdate

RemoveUsers removes users edges to User.

func (*GroupUpdate) Save 

func (gu *GroupUpdate) Save(ctx context.Context) (int, error)

Save executes the query and returns the number of rows/vertices matched by this operation.

func (*GroupUpdate) SaveX 

func (gu *GroupUpdate) SaveX(ctx context.Context) int

SaveX is like Save, but panics if an error occurs.

func (*GroupUpdate) SetName 

func (gu *GroupUpdate) SetName(s string) *GroupUpdate

SetName sets the name field.

func (*GroupUpdate) Where 

func (gu *GroupUpdate) Where(ps ...predicate.Group) *GroupUpdate

Where adds a new predicate for the builder.

type GroupUpdateOne 

type GroupUpdateOne struct {
	// contains filtered or unexported fields
}

GroupUpdateOne is the builder for updating a single Group entity.

func (*GroupUpdateOne) AddUserIDs 

func (guo *GroupUpdateOne) AddUserIDs(ids ...int) *GroupUpdateOne

AddUserIDs adds the users edge to User by ids.

func (*GroupUpdateOne) AddUsers 

func (guo *GroupUpdateOne) AddUsers(u ...*User) *GroupUpdateOne

AddUsers adds the users edges to User.

func (*GroupUpdateOne) Exec 

func (guo *GroupUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*GroupUpdateOne) ExecX 

func (guo *GroupUpdateOne) ExecX(ctx context.Context)

ExecX is like Exec, but panics if an error occurs.

func (*GroupUpdateOne) RemoveUserIDs 

func (guo *GroupUpdateOne) RemoveUserIDs(ids ...int) *GroupUpdateOne

RemoveUserIDs removes the users edge to User by ids.

func (*GroupUpdateOne) RemoveUsers 

func (guo *GroupUpdateOne) RemoveUsers(u ...*User) *GroupUpdateOne

RemoveUsers removes users edges to User.

func (*GroupUpdateOne) Save 

func (guo *GroupUpdateOne) Save(ctx context.Context) (*Group, error)

Save executes the query and returns the updated entity.

func (*GroupUpdateOne) SaveX 

func (guo *GroupUpdateOne) SaveX(ctx context.Context) *Group

SaveX is like Save, but panics if an error occurs.

func (*GroupUpdateOne) SetName 

func (guo *GroupUpdateOne) SetName(s string) *GroupUpdateOne

SetName sets the name field.

type Groups 

type Groups []*Group

Groups is a parsable slice of Group.

type NotFoundError 

type NotFoundError struct {
	// contains filtered or unexported fields
}

NotFoundError returns when trying to fetch a specific entity and it was not found in the database.

func (*NotFoundError) Error 

func (e *NotFoundError) Error() string

Error implements the error interface.

type NotLoadedError 

type NotLoadedError struct {
	// contains filtered or unexported fields
}

NotLoadedError returns when trying to get a node that was not loaded by the query.

func (*NotLoadedError) Error 

func (e *NotLoadedError) Error() string

Error implements the error interface.

type NotSingularError 

type NotSingularError struct {
	// contains filtered or unexported fields
}

NotSingularError returns when trying to fetch a singular entity and more then one was found in the database.

func (*NotSingularError) Error 

func (e *NotSingularError) Error() string

Error implements the error interface.

type Option 

type Option func(*config)

Option function to configure the client.

func Debug 

func Debug() Option

Debug enables debug logging on the ent.Driver.

func Driver 

func Driver(driver dialect.Driver) Option

Driver configures the client driver.

func Log 

func Log(fn func(...interface{})) Option

Log sets the logging function for debug mode.

type Order 

type Order func(*sql.Selector)

Order applies an ordering on either graph traversal or sql selector.

func Asc 

func Asc(fields ...string) Order

Asc applies the given fields in ASC order.

func Desc 

func Desc(fields ...string) Order

Desc applies the given fields in DESC order.

type Tx 

type Tx struct {

	// Car is the client for interacting with the Car builders.
	Car *CarClient
	// Group is the client for interacting with the Group builders.
	Group *GroupClient
	// User is the client for interacting with the User builders.
	User *UserClient
	// contains filtered or unexported fields
}

Tx is a transactional client that is created by calling Client.Tx().

func (*Tx) Client 

func (tx *Tx) Client() *Client

Client returns a Client that binds to current transaction.

func (*Tx) Commit 

func (tx *Tx) Commit() error

Commit commits the transaction.

func (*Tx) Rollback 

func (tx *Tx) Rollback() error

Rollback rollbacks the transaction.

type User 

type User struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// Age holds the value of the "age" field.
	Age int `json:"age,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 UserQuery when eager-loading is set.
	Edges UserEdges `json:"edges"`
	// contains filtered or unexported fields
}

User is the model entity for the User schema.

Example 
if dsn == "" {
	return
}
ctx := context.Background()
drv, err := sql.Open("mysql", dsn)
if err != nil {
	log.Fatalf("failed creating database client: %v", err)
}
defer drv.Close()
client := NewClient(Driver(drv))
// creating vertices for the user's edges.
c0 := client.Car.
	Create().
	SetModel("string").
	SetRegisteredAt(time.Now()).
	SaveX(ctx)
log.Println("car created:", c0)

// create user vertex with its edges.
u := client.User.
	Create().
	SetAge(1).
	SetName("string").
	AddCars(c0).
	SaveX(ctx)
log.Println("user created:", u)

// query edges.
c0, err = u.QueryCars().First(ctx)
if err != nil {
	log.Fatalf("failed querying cars: %v", err)
}
log.Println("cars found:", c0)

Output:

func (*User) QueryCars 

func (u *User) QueryCars() *CarQuery

QueryCars queries the cars edge of the User.

func (*User) QueryGroups 

func (u *User) QueryGroups() *GroupQuery

QueryGroups queries the groups edge of the User.

func (*User) String 

func (u *User) String() string

String implements the fmt.Stringer.

func (*User) Unwrap 

func (u *User) Unwrap() *User

Unwrap unwraps the entity that was returned from a transaction after it was closed, so that all next queries will be executed through the driver which created the transaction.

func (*User) Update 

func (u *User) Update() *UserUpdateOne

Update returns a builder for updating this User. Note that, you need to call User.Unwrap() before calling this method, if this User was returned from a transaction, and the transaction was committed or rolled back.

type UserClient 

type UserClient struct {
	// contains filtered or unexported fields
}

UserClient is a client for the User schema.

func NewUserClient 

func NewUserClient(c config) *UserClient

NewUserClient returns a client for the User from the given config.

func (*UserClient) Create 

func (c *UserClient) Create() *UserCreate

Create returns a create builder for User.

func (*UserClient) Delete 

func (c *UserClient) Delete() *UserDelete

Delete returns a delete builder for User.

func (*UserClient) DeleteOne 

func (c *UserClient) DeleteOne(u *User) *UserDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*UserClient) DeleteOneID 

func (c *UserClient) DeleteOneID(id int) *UserDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*UserClient) Get 

func (c *UserClient) Get(ctx context.Context, id int) (*User, error)

Get returns a User entity by its id.

func (*UserClient) GetX 

func (c *UserClient) GetX(ctx context.Context, id int) *User

GetX is like Get, but panics if an error occurs.

func (*UserClient) Query 

func (c *UserClient) Query() *UserQuery

Create returns a query builder for User.

func (*UserClient) QueryCars 

func (c *UserClient) QueryCars(u *User) *CarQuery

QueryCars queries the cars edge of a User.

func (*UserClient) QueryGroups 

func (c *UserClient) QueryGroups(u *User) *GroupQuery

QueryGroups queries the groups edge of a User.

func (*UserClient) Update 

func (c *UserClient) Update() *UserUpdate

Update returns an update builder for User.

func (*UserClient) UpdateOne 

func (c *UserClient) UpdateOne(u *User) *UserUpdateOne

UpdateOne returns an update builder for the given entity.

func (*UserClient) UpdateOneID 

func (c *UserClient) UpdateOneID(id int) *UserUpdateOne

UpdateOneID returns an update builder for the given id.

type UserCreate 

type UserCreate struct {
	// contains filtered or unexported fields
}

UserCreate is the builder for creating a User entity.

func (*UserCreate) AddCarIDs 

func (uc *UserCreate) AddCarIDs(ids ...int) *UserCreate

AddCarIDs adds the cars edge to Car by ids.

func (*UserCreate) AddCars 

func (uc *UserCreate) AddCars(c ...*Car) *UserCreate

AddCars adds the cars edges to Car.

func (*UserCreate) AddGroupIDs 

func (uc *UserCreate) AddGroupIDs(ids ...int) *UserCreate

AddGroupIDs adds the groups edge to Group by ids.

func (*UserCreate) AddGroups 

func (uc *UserCreate) AddGroups(g ...*Group) *UserCreate

AddGroups adds the groups edges to Group.

func (*UserCreate) Save 

func (uc *UserCreate) Save(ctx context.Context) (*User, error)

Save creates the User in the database.

func (*UserCreate) SaveX 

func (uc *UserCreate) SaveX(ctx context.Context) *User

SaveX calls Save and panics if Save returns an error.

func (*UserCreate) SetAge 

func (uc *UserCreate) SetAge(i int) *UserCreate

SetAge sets the age field.

func (*UserCreate) SetName 

func (uc *UserCreate) SetName(s string) *UserCreate

SetName sets the name field.

func (*UserCreate) SetNillableName 

func (uc *UserCreate) SetNillableName(s *string) *UserCreate

SetNillableName sets the name field if the given value is not nil.

type UserDelete 

type UserDelete struct {
	// contains filtered or unexported fields
}

UserDelete is the builder for deleting a User entity.

func (*UserDelete) Exec 

func (ud *UserDelete) Exec(ctx context.Context) (int, error)

Exec executes the deletion query and returns how many vertices were deleted.

func (*UserDelete) ExecX 

func (ud *UserDelete) ExecX(ctx context.Context) int

ExecX is like Exec, but panics if an error occurs.

func (*UserDelete) Where 

func (ud *UserDelete) Where(ps ...predicate.User) *UserDelete

Where adds a new predicate to the delete builder.

type UserDeleteOne 

type UserDeleteOne struct {
	// contains filtered or unexported fields
}

UserDeleteOne is the builder for deleting a single User entity.

func (*UserDeleteOne) Exec 

func (udo *UserDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*UserDeleteOne) ExecX 

func (udo *UserDeleteOne) ExecX(ctx context.Context)

ExecX is like Exec, but panics if an error occurs.

type UserEdges 

type UserEdges struct {
	// Cars holds the value of the cars edge.
	Cars []*Car
	// Groups holds the value of the groups edge.
	Groups []*Group
	// contains filtered or unexported fields
}

UserEdges holds the relations/edges for other nodes in the graph.

func (UserEdges) CarsOrErr 

func (e UserEdges) CarsOrErr() ([]*Car, error)

CarsOrErr returns the Cars value or an error if the edge was not loaded in eager-loading.

func (UserEdges) GroupsOrErr 

func (e UserEdges) GroupsOrErr() ([]*Group, error)

GroupsOrErr returns the Groups value or an error if the edge was not loaded in eager-loading.

type UserGroupBy 

type UserGroupBy struct {
	// contains filtered or unexported fields
}

UserGroupBy is the builder for group-by User entities.

func (*UserGroupBy) Aggregate 

func (ugb *UserGroupBy) Aggregate(fns ...Aggregate) *UserGroupBy

Aggregate adds the given aggregation functions to the group-by query.

func (*UserGroupBy) Bools 

func (ugb *UserGroupBy) Bools(ctx context.Context) ([]bool, error)

Bools returns list of bools from group-by. It is only allowed when querying group-by with one field.

func (*UserGroupBy) BoolsX 

func (ugb *UserGroupBy) BoolsX(ctx context.Context) []bool

BoolsX is like Bools, but panics if an error occurs.

func (*UserGroupBy) Float64s 

func (ugb *UserGroupBy) Float64s(ctx context.Context) ([]float64, error)

Float64s returns list of float64s from group-by. It is only allowed when querying group-by with one field.

func (*UserGroupBy) Float64sX 

func (ugb *UserGroupBy) Float64sX(ctx context.Context) []float64

Float64sX is like Float64s, but panics if an error occurs.

func (*UserGroupBy) Ints 

func (ugb *UserGroupBy) Ints(ctx context.Context) ([]int, error)

Ints returns list of ints from group-by. It is only allowed when querying group-by with one field.

func (*UserGroupBy) IntsX 

func (ugb *UserGroupBy) IntsX(ctx context.Context) []int

IntsX is like Ints, but panics if an error occurs.

func (*UserGroupBy) Scan 

func (ugb *UserGroupBy) Scan(ctx context.Context, v interface{}) error

Scan applies the group-by query and scan the result into the given value.

func (*UserGroupBy) ScanX 

func (ugb *UserGroupBy) ScanX(ctx context.Context, v interface{})

ScanX is like Scan, but panics if an error occurs.

func (*UserGroupBy) Strings 

func (ugb *UserGroupBy) Strings(ctx context.Context) ([]string, error)

Strings returns list of strings from group-by. It is only allowed when querying group-by with one field.

func (*UserGroupBy) StringsX 

func (ugb *UserGroupBy) StringsX(ctx context.Context) []string

StringsX is like Strings, but panics if an error occurs.

type UserQuery 

type UserQuery struct {
	// contains filtered or unexported fields
}

UserQuery is the builder for querying User entities.

func (*UserQuery) All 

func (uq *UserQuery) All(ctx context.Context) ([]*User, error)

All executes the query and returns a list of Users.

func (*UserQuery) AllX 

func (uq *UserQuery) AllX(ctx context.Context) []*User

AllX is like All, but panics if an error occurs.

func (*UserQuery) Clone 

func (uq *UserQuery) Clone() *UserQuery

Clone returns a duplicate of the query builder, including all associated steps. It can be used to prepare common query builders and use them differently after the clone is made.

func (*UserQuery) Count 

func (uq *UserQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*UserQuery) CountX 

func (uq *UserQuery) CountX(ctx context.Context) int

CountX is like Count, but panics if an error occurs.

func (*UserQuery) Exist 

func (uq *UserQuery) Exist(ctx context.Context) (bool, error)

Exist returns true if the query has elements in the graph.

func (*UserQuery) ExistX 

func (uq *UserQuery) ExistX(ctx context.Context) bool

ExistX is like Exist, but panics if an error occurs.

func (*UserQuery) First 

func (uq *UserQuery) First(ctx context.Context) (*User, error)

First returns the first User entity in the query. Returns *NotFoundError when no user was found.

func (*UserQuery) FirstID 

func (uq *UserQuery) FirstID(ctx context.Context) (id int, err error)

FirstID returns the first User id in the query. Returns *NotFoundError when no id was found.

func (*UserQuery) FirstX 

func (uq *UserQuery) FirstX(ctx context.Context) *User

FirstX is like First, but panics if an error occurs.

func (*UserQuery) FirstXID 

func (uq *UserQuery) FirstXID(ctx context.Context) int

FirstXID is like FirstID, but panics if an error occurs.

func (*UserQuery) GroupBy 

func (uq *UserQuery) GroupBy(field string, fields ...string) *UserGroupBy

GroupBy 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 {
	Age int `json:"age,omitempty"`
	Count int `json:"count,omitempty"`
}

client.User.Query().
	GroupBy(user.FieldAge).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*UserQuery) IDs 

func (uq *UserQuery) IDs(ctx context.Context) ([]int, error)

IDs executes the query and returns a list of User ids.

func (*UserQuery) IDsX 

func (uq *UserQuery) IDsX(ctx context.Context) []int

IDsX is like IDs, but panics if an error occurs.

func (*UserQuery) Limit 

func (uq *UserQuery) Limit(limit int) *UserQuery

Limit adds a limit step to the query.

func (*UserQuery) Offset 

func (uq *UserQuery) Offset(offset int) *UserQuery

Offset adds an offset step to the query.

func (*UserQuery) Only 

func (uq *UserQuery) Only(ctx context.Context) (*User, error)

Only returns the only User entity in the query, returns an error if not exactly one entity was returned.

func (*UserQuery) OnlyID 

func (uq *UserQuery) OnlyID(ctx context.Context) (id int, err error)

OnlyID returns the only User id in the query, returns an error if not exactly one id was returned.

func (*UserQuery) OnlyX 

func (uq *UserQuery) OnlyX(ctx context.Context) *User

OnlyX is like Only, but panics if an error occurs.

func (*UserQuery) OnlyXID 

func (uq *UserQuery) OnlyXID(ctx context.Context) int

OnlyXID is like OnlyID, but panics if an error occurs.

func (*UserQuery) Order 

func (uq *UserQuery) Order(o ...Order) *UserQuery

Order adds an order step to the query.

func (*UserQuery) QueryCars 

func (uq *UserQuery) QueryCars() *CarQuery

QueryCars chains the current query on the cars edge.

func (*UserQuery) QueryGroups 

func (uq *UserQuery) QueryGroups() *GroupQuery

QueryGroups chains the current query on the groups edge.

func (*UserQuery) Select 

func (uq *UserQuery) Select(field string, fields ...string) *UserSelect

Select one or more fields from the given query.

Example: 

var v []struct {
	Age int `json:"age,omitempty"`
}

client.User.Query().
	Select(user.FieldAge).
	Scan(ctx, &v)

func (*UserQuery) Where 

func (uq *UserQuery) Where(ps ...predicate.User) *UserQuery

Where adds a new predicate for the builder.

func (*UserQuery) WithCars 

func (uq *UserQuery) WithCars(opts ...func(*CarQuery)) *UserQuery
WithCars tells the query-builder to eager-loads the nodes that are connected to

the "cars" edge. The optional arguments used to configure the query builder of the edge.

func (*UserQuery) WithGroups 

func (uq *UserQuery) WithGroups(opts ...func(*GroupQuery)) *UserQuery
WithGroups tells the query-builder to eager-loads the nodes that are connected to

the "groups" edge. The optional arguments used to configure the query builder of the edge.

type UserSelect 

type UserSelect struct {
	// contains filtered or unexported fields
}

UserSelect is the builder for select fields of User entities.

func (*UserSelect) Bools 

func (us *UserSelect) Bools(ctx context.Context) ([]bool, error)

Bools returns list of bools from selector. It is only allowed when selecting one field.

func (*UserSelect) BoolsX 

func (us *UserSelect) BoolsX(ctx context.Context) []bool

BoolsX is like Bools, but panics if an error occurs.

func (*UserSelect) Float64s 

func (us *UserSelect) Float64s(ctx context.Context) ([]float64, error)

Float64s returns list of float64s from selector. It is only allowed when selecting one field.

func (*UserSelect) Float64sX 

func (us *UserSelect) Float64sX(ctx context.Context) []float64

Float64sX is like Float64s, but panics if an error occurs.

func (*UserSelect) Ints 

func (us *UserSelect) Ints(ctx context.Context) ([]int, error)

Ints returns list of ints from selector. It is only allowed when selecting one field.

func (*UserSelect) IntsX 

func (us *UserSelect) IntsX(ctx context.Context) []int

IntsX is like Ints, but panics if an error occurs.

func (*UserSelect) Scan 

func (us *UserSelect) Scan(ctx context.Context, v interface{}) error

Scan applies the selector query and scan the result into the given value.

func (*UserSelect) ScanX 

func (us *UserSelect) ScanX(ctx context.Context, v interface{})

ScanX is like Scan, but panics if an error occurs.

func (*UserSelect) Strings 

func (us *UserSelect) Strings(ctx context.Context) ([]string, error)

Strings returns list of strings from selector. It is only allowed when selecting one field.

func (*UserSelect) StringsX 

func (us *UserSelect) StringsX(ctx context.Context) []string

StringsX is like Strings, but panics if an error occurs.

type UserUpdate 

type UserUpdate struct {
	// contains filtered or unexported fields
}

UserUpdate is the builder for updating User entities.

func (*UserUpdate) AddAge 

func (uu *UserUpdate) AddAge(i int) *UserUpdate

AddAge adds i to age.

func (*UserUpdate) AddCarIDs 

func (uu *UserUpdate) AddCarIDs(ids ...int) *UserUpdate

AddCarIDs adds the cars edge to Car by ids.

func (*UserUpdate) AddCars 

func (uu *UserUpdate) AddCars(c ...*Car) *UserUpdate

AddCars adds the cars edges to Car.

func (*UserUpdate) AddGroupIDs 

func (uu *UserUpdate) AddGroupIDs(ids ...int) *UserUpdate

AddGroupIDs adds the groups edge to Group by ids.

func (*UserUpdate) AddGroups 

func (uu *UserUpdate) AddGroups(g ...*Group) *UserUpdate

AddGroups adds the groups edges to Group.

func (*UserUpdate) Exec 

func (uu *UserUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*UserUpdate) ExecX 

func (uu *UserUpdate) ExecX(ctx context.Context)

ExecX is like Exec, but panics if an error occurs.

func (*UserUpdate) RemoveCarIDs 

func (uu *UserUpdate) RemoveCarIDs(ids ...int) *UserUpdate

RemoveCarIDs removes the cars edge to Car by ids.

func (*UserUpdate) RemoveCars 

func (uu *UserUpdate) RemoveCars(c ...*Car) *UserUpdate

RemoveCars removes cars edges to Car.

func (*UserUpdate) RemoveGroupIDs 

func (uu *UserUpdate) RemoveGroupIDs(ids ...int) *UserUpdate

RemoveGroupIDs removes the groups edge to Group by ids.

func (*UserUpdate) RemoveGroups 

func (uu *UserUpdate) RemoveGroups(g ...*Group) *UserUpdate

RemoveGroups removes groups edges to Group.

func (*UserUpdate) Save 

func (uu *UserUpdate) Save(ctx context.Context) (int, error)

Save executes the query and returns the number of rows/vertices matched by this operation.

func (*UserUpdate) SaveX 

func (uu *UserUpdate) SaveX(ctx context.Context) int

SaveX is like Save, but panics if an error occurs.

func (*UserUpdate) SetAge 

func (uu *UserUpdate) SetAge(i int) *UserUpdate

SetAge sets the age field.

func (*UserUpdate) SetName 

func (uu *UserUpdate) SetName(s string) *UserUpdate

SetName sets the name field.

func (*UserUpdate) SetNillableName 

func (uu *UserUpdate) SetNillableName(s *string) *UserUpdate

SetNillableName sets the name field if the given value is not nil.

func (*UserUpdate) Where 

func (uu *UserUpdate) Where(ps ...predicate.User) *UserUpdate

Where adds a new predicate for the builder.

type UserUpdateOne 

type UserUpdateOne struct {
	// contains filtered or unexported fields
}

UserUpdateOne is the builder for updating a single User entity.

func (*UserUpdateOne) AddAge 

func (uuo *UserUpdateOne) AddAge(i int) *UserUpdateOne

AddAge adds i to age.

func (*UserUpdateOne) AddCarIDs 

func (uuo *UserUpdateOne) AddCarIDs(ids ...int) *UserUpdateOne

AddCarIDs adds the cars edge to Car by ids.

func (*UserUpdateOne) AddCars 

func (uuo *UserUpdateOne) AddCars(c ...*Car) *UserUpdateOne

AddCars adds the cars edges to Car.

func (*UserUpdateOne) AddGroupIDs 

func (uuo *UserUpdateOne) AddGroupIDs(ids ...int) *UserUpdateOne

AddGroupIDs adds the groups edge to Group by ids.

func (*UserUpdateOne) AddGroups 

func (uuo *UserUpdateOne) AddGroups(g ...*Group) *UserUpdateOne

AddGroups adds the groups edges to Group.

func (*UserUpdateOne) Exec 

func (uuo *UserUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*UserUpdateOne) ExecX 

func (uuo *UserUpdateOne) ExecX(ctx context.Context)

ExecX is like Exec, but panics if an error occurs.

func (*UserUpdateOne) RemoveCarIDs 

func (uuo *UserUpdateOne) RemoveCarIDs(ids ...int) *UserUpdateOne

RemoveCarIDs removes the cars edge to Car by ids.

func (*UserUpdateOne) RemoveCars 

func (uuo *UserUpdateOne) RemoveCars(c ...*Car) *UserUpdateOne

RemoveCars removes cars edges to Car.

func (*UserUpdateOne) RemoveGroupIDs 

func (uuo *UserUpdateOne) RemoveGroupIDs(ids ...int) *UserUpdateOne

RemoveGroupIDs removes the groups edge to Group by ids.

func (*UserUpdateOne) RemoveGroups 

func (uuo *UserUpdateOne) RemoveGroups(g ...*Group) *UserUpdateOne

RemoveGroups removes groups edges to Group.

func (*UserUpdateOne) Save 

func (uuo *UserUpdateOne) Save(ctx context.Context) (*User, error)

Save executes the query and returns the updated entity.

func (*UserUpdateOne) SaveX 

func (uuo *UserUpdateOne) SaveX(ctx context.Context) *User

SaveX is like Save, but panics if an error occurs.

func (*UserUpdateOne) SetAge 

func (uuo *UserUpdateOne) SetAge(i int) *UserUpdateOne

SetAge sets the age field.

func (*UserUpdateOne) SetName 

func (uuo *UserUpdateOne) SetName(s string) *UserUpdateOne

SetName sets the name field.

func (*UserUpdateOne) SetNillableName 

func (uuo *UserUpdateOne) SetNillableName(s *string) *UserUpdateOne

SetNillableName sets the name field if the given value is not nil.

type Users 

type Users []*User

Users is a parsable slice of User.

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