ent

package
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 Go to latest Published: Feb 14, 2020 License: Apache-2.0 Imports: 17 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 Card 

type Card struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// Expired holds the value of the "expired" field.
	Expired time.Time `json:"expired,omitempty"`
	// Number holds the value of the "number" field.
	Number string `json:"number,omitempty"`
	// Edges holds the relations/edges for other nodes in the graph.
	// The values are being populated by the CardQuery when eager-loading is set.
	Edges CardEdges `json:"edges"`
	// contains filtered or unexported fields
}

Card is the model entity for the Card 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 card's edges.

// create card vertex with its edges.
c := client.Card.
	Create().
	SetExpired(time.Now()).
	SetNumber("string").
	SaveX(ctx)
log.Println("card created:", c)

// query edges.

Output:

func (*Card) QueryOwner 

func (c *Card) QueryOwner() *UserQuery

QueryOwner queries the owner edge of the Card.

func (*Card) String 

func (c *Card) String() string

String implements the fmt.Stringer.

func (*Card) Unwrap 

func (c *Card) Unwrap() *Card

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 (*Card) Update 

func (c *Card) Update() *CardUpdateOne

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

type CardClient 

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

CardClient is a client for the Card schema.

func NewCardClient 

func NewCardClient(c config) *CardClient

NewCardClient returns a client for the Card from the given config.

func (*CardClient) Create 

func (c *CardClient) Create() *CardCreate

Create returns a create builder for Card.

func (*CardClient) Delete 

func (c *CardClient) Delete() *CardDelete

Delete returns a delete builder for Card.

func (*CardClient) DeleteOne 

func (c *CardClient) DeleteOne(ca *Card) *CardDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*CardClient) DeleteOneID 

func (c *CardClient) DeleteOneID(id int) *CardDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*CardClient) Get 

func (c *CardClient) Get(ctx context.Context, id int) (*Card, error)

Get returns a Card entity by its id.

func (*CardClient) GetX 

func (c *CardClient) GetX(ctx context.Context, id int) *Card

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

func (*CardClient) Query 

func (c *CardClient) Query() *CardQuery

Create returns a query builder for Card.

func (*CardClient) QueryOwner 

func (c *CardClient) QueryOwner(ca *Card) *UserQuery

QueryOwner queries the owner edge of a Card.

func (*CardClient) Update 

func (c *CardClient) Update() *CardUpdate

Update returns an update builder for Card.

func (*CardClient) UpdateOne 

func (c *CardClient) UpdateOne(ca *Card) *CardUpdateOne

UpdateOne returns an update builder for the given entity.

func (*CardClient) UpdateOneID 

func (c *CardClient) UpdateOneID(id int) *CardUpdateOne

UpdateOneID returns an update builder for the given id.

type CardCreate 

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

CardCreate is the builder for creating a Card entity.

func (*CardCreate) Save 

func (cc *CardCreate) Save(ctx context.Context) (*Card, error)

Save creates the Card in the database.

func (*CardCreate) SaveX 

func (cc *CardCreate) SaveX(ctx context.Context) *Card

SaveX calls Save and panics if Save returns an error.

func (*CardCreate) SetExpired 

func (cc *CardCreate) SetExpired(t time.Time) *CardCreate

SetExpired sets the expired field.

func (*CardCreate) SetNumber 

func (cc *CardCreate) SetNumber(s string) *CardCreate

SetNumber sets the number field.

func (*CardCreate) SetOwner 

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

SetOwner sets the owner edge to User.

func (*CardCreate) SetOwnerID 

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

SetOwnerID sets the owner edge to User by id.

type CardDelete 

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

CardDelete is the builder for deleting a Card entity.

func (*CardDelete) Exec 

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

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

func (*CardDelete) ExecX 

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

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

func (*CardDelete) Where 

func (cd *CardDelete) Where(ps ...predicate.Card) *CardDelete

Where adds a new predicate to the delete builder.

type CardDeleteOne 

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

CardDeleteOne is the builder for deleting a single Card entity.

func (*CardDeleteOne) Exec 

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

Exec executes the deletion query.

func (*CardDeleteOne) ExecX 

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

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

type CardEdges 

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

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

func (CardEdges) OwnerOrErr 

func (e CardEdges) 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 CardGroupBy 

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

CardGroupBy is the builder for group-by Card entities.

func (*CardGroupBy) Aggregate 

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

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

func (*CardGroupBy) Bools 

func (cgb *CardGroupBy) 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 (*CardGroupBy) BoolsX 

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

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

func (*CardGroupBy) Float64s 

func (cgb *CardGroupBy) 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 (*CardGroupBy) Float64sX 

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

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

func (*CardGroupBy) Ints 

func (cgb *CardGroupBy) 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 (*CardGroupBy) IntsX 

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

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

func (*CardGroupBy) Scan 

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

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

func (*CardGroupBy) ScanX 

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

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

func (*CardGroupBy) Strings 

func (cgb *CardGroupBy) 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 (*CardGroupBy) StringsX 

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

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

type CardQuery 

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

CardQuery is the builder for querying Card entities.

func (*CardQuery) All 

func (cq *CardQuery) All(ctx context.Context) ([]*Card, error)

All executes the query and returns a list of Cards.

func (*CardQuery) AllX 

func (cq *CardQuery) AllX(ctx context.Context) []*Card

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

func (*CardQuery) Clone 

func (cq *CardQuery) Clone() *CardQuery

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 (*CardQuery) Count 

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

Count returns the count of the given query.

func (*CardQuery) CountX 

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

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

func (*CardQuery) Exist 

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

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

func (*CardQuery) ExistX 

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

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

func (*CardQuery) First 

func (cq *CardQuery) First(ctx context.Context) (*Card, error)

First returns the first Card entity in the query. Returns *NotFoundError when no card was found.

func (*CardQuery) FirstID 

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

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

func (*CardQuery) FirstX 

func (cq *CardQuery) FirstX(ctx context.Context) *Card

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

func (*CardQuery) FirstXID 

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

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

func (*CardQuery) GroupBy 

func (cq *CardQuery) GroupBy(field string, fields ...string) *CardGroupBy

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 {
	Expired time.Time `json:"expired,omitempty"`
	Count int `json:"count,omitempty"`
}

client.Card.Query().
	GroupBy(card.FieldExpired).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*CardQuery) IDs 

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

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

func (*CardQuery) IDsX 

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

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

func (*CardQuery) Limit 

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

Limit adds a limit step to the query.

func (*CardQuery) Offset 

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

Offset adds an offset step to the query.

func (*CardQuery) Only 

func (cq *CardQuery) Only(ctx context.Context) (*Card, error)

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

func (*CardQuery) OnlyID 

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

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

func (*CardQuery) OnlyX 

func (cq *CardQuery) OnlyX(ctx context.Context) *Card

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

func (*CardQuery) OnlyXID 

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

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

func (*CardQuery) Order 

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

Order adds an order step to the query.

func (*CardQuery) QueryOwner 

func (cq *CardQuery) QueryOwner() *UserQuery

QueryOwner chains the current query on the owner edge.

func (*CardQuery) Select 

func (cq *CardQuery) Select(field string, fields ...string) *CardSelect

Select one or more fields from the given query.

Example: 

var v []struct {
	Expired time.Time `json:"expired,omitempty"`
}

client.Card.Query().
	Select(card.FieldExpired).
	Scan(ctx, &v)

func (*CardQuery) Where 

func (cq *CardQuery) Where(ps ...predicate.Card) *CardQuery

Where adds a new predicate for the builder.

func (*CardQuery) WithOwner 

func (cq *CardQuery) WithOwner(opts ...func(*UserQuery)) *CardQuery
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 CardSelect 

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

CardSelect is the builder for select fields of Card entities.

func (*CardSelect) Bools 

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

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

func (*CardSelect) BoolsX 

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

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

func (*CardSelect) Float64s 

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

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

func (*CardSelect) Float64sX 

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

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

func (*CardSelect) Ints 

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

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

func (*CardSelect) IntsX 

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

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

func (*CardSelect) Scan 

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

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

func (*CardSelect) ScanX 

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

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

func (*CardSelect) Strings 

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

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

func (*CardSelect) StringsX 

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

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

type CardUpdate 

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

CardUpdate is the builder for updating Card entities.

func (*CardUpdate) ClearOwner 

func (cu *CardUpdate) ClearOwner() *CardUpdate

ClearOwner clears the owner edge to User.

func (*CardUpdate) Exec 

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

Exec executes the query.

func (*CardUpdate) ExecX 

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

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

func (*CardUpdate) Save 

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

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

func (*CardUpdate) SaveX 

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

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

func (*CardUpdate) SetExpired 

func (cu *CardUpdate) SetExpired(t time.Time) *CardUpdate

SetExpired sets the expired field.

func (*CardUpdate) SetNumber 

func (cu *CardUpdate) SetNumber(s string) *CardUpdate

SetNumber sets the number field.

func (*CardUpdate) SetOwner 

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

SetOwner sets the owner edge to User.

func (*CardUpdate) SetOwnerID 

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

SetOwnerID sets the owner edge to User by id.

func (*CardUpdate) Where 

func (cu *CardUpdate) Where(ps ...predicate.Card) *CardUpdate

Where adds a new predicate for the builder.

type CardUpdateOne 

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

CardUpdateOne is the builder for updating a single Card entity.

func (*CardUpdateOne) ClearOwner 

func (cuo *CardUpdateOne) ClearOwner() *CardUpdateOne

ClearOwner clears the owner edge to User.

func (*CardUpdateOne) Exec 

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

Exec executes the query on the entity.

func (*CardUpdateOne) ExecX 

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

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

func (*CardUpdateOne) Save 

func (cuo *CardUpdateOne) Save(ctx context.Context) (*Card, error)

Save executes the query and returns the updated entity.

func (*CardUpdateOne) SaveX 

func (cuo *CardUpdateOne) SaveX(ctx context.Context) *Card

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

func (*CardUpdateOne) SetExpired 

func (cuo *CardUpdateOne) SetExpired(t time.Time) *CardUpdateOne

SetExpired sets the expired field.

func (*CardUpdateOne) SetNumber 

func (cuo *CardUpdateOne) SetNumber(s string) *CardUpdateOne

SetNumber sets the number field.

func (*CardUpdateOne) SetOwner 

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

SetOwner sets the owner edge to User.

func (*CardUpdateOne) SetOwnerID 

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

SetOwnerID sets the owner edge to User by id.

type Cards 

type Cards []*Card

Cards is a parsable slice of Card.

type Client 

type Client struct {

	// Schema is the client for creating, migrating and dropping schema.
	Schema *migrate.Schema
	// Card is the client for interacting with the Card builders.
	Card *CardClient
	// 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().
	Card.
	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 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 {

	// Card is the client for interacting with the Card builders.
	Card *CardClient
	// 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.Card.
	Create().
	SetExpired(time.Now()).
	SetNumber("string").
	SaveX(ctx)
log.Println("card created:", c0)

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

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

Output:

func (*User) QueryCard 

func (u *User) QueryCard() *CardQuery

QueryCard queries the card 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) QueryCard 

func (c *UserClient) QueryCard(u *User) *CardQuery

QueryCard queries the card 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) 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) SetCard 

func (uc *UserCreate) SetCard(c *Card) *UserCreate

SetCard sets the card edge to Card.

func (*UserCreate) SetCardID 

func (uc *UserCreate) SetCardID(id int) *UserCreate

SetCardID sets the card edge to Card by id.

func (*UserCreate) SetName 

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

SetName sets the name field.

func (*UserCreate) SetNillableCardID 

func (uc *UserCreate) SetNillableCardID(id *int) *UserCreate

SetNillableCardID sets the card edge to Card by id 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 {
	// Card holds the value of the card edge.
	Card *Card
	// contains filtered or unexported fields
}

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

func (UserEdges) CardOrErr 

func (e UserEdges) CardOrErr() (*Card, error)

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

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) QueryCard 

func (uq *UserQuery) QueryCard() *CardQuery

QueryCard chains the current query on the card 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) WithCard 

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

the "card" 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) ClearCard 

func (uu *UserUpdate) ClearCard() *UserUpdate

ClearCard clears the card edge to Card.

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) 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) SetCard 

func (uu *UserUpdate) SetCard(c *Card) *UserUpdate

SetCard sets the card edge to Card.

func (*UserUpdate) SetCardID 

func (uu *UserUpdate) SetCardID(id int) *UserUpdate

SetCardID sets the card edge to Card by id.

func (*UserUpdate) SetName 

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

SetName sets the name field.

func (*UserUpdate) SetNillableCardID 

func (uu *UserUpdate) SetNillableCardID(id *int) *UserUpdate

SetNillableCardID sets the card edge to Card by id 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) ClearCard 

func (uuo *UserUpdateOne) ClearCard() *UserUpdateOne

ClearCard clears the card edge to Card.

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) 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) SetCard 

func (uuo *UserUpdateOne) SetCard(c *Card) *UserUpdateOne

SetCard sets the card edge to Card.

func (*UserUpdateOne) SetCardID 

func (uuo *UserUpdateOne) SetCardID(id int) *UserUpdateOne

SetCardID sets the card edge to Card by id.

func (*UserUpdateOne) SetName 

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

SetName sets the name field.

func (*UserUpdateOne) SetNillableCardID 

func (uuo *UserUpdateOne) SetNillableCardID(id *int) *UserUpdateOne

SetNillableCardID sets the card edge to Card by id if the given value is not nil.

type Users 

type Users []*User

Users is a parsable slice of User.

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