ent

package
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 Go to latest Published: Jan 30, 2020 License: Apache-2.0 Imports: 23 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 Client 

type Client struct {

	// Schema is the client for creating, migrating and dropping schema.
	Schema *migrate.Schema
	// Group is the client for interacting with the Group builders.
	Group *GroupClient
	// Pet is the client for interacting with the Pet builders.
	Pet *PetClient
	// 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().
	Group.
	Query().
	Count(ctx)

func (*Client) Node 

func (c *Client) Node(ctx context.Context, id int) (*Node, error)

func (*Client) Noder 

func (c *Client) Noder(ctx context.Context, id int) (Noder, error)

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 Edge 

type Edge struct {
	Type string `json:"type,omitempty"` // edge type.
	Name string `json:"name,omitempty"` // edge name.
	IDs  []int  `json:"ids,omitempty"`  // node ids (where this edge point to).
}

Edges between two nodes.

type Field 

type Field struct {
	Type  string `json:"type,omitempty"`  // field type.
	Name  string `json:"name,omitempty"`  // field name (as in struct).
	Value string `json:"value,omitempty"` // stringified value.
}

Field of a node.

type Group 

type Group struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// MaxUsers holds the value of the "max_users" field.
	MaxUsers int `json:"max_users,omitempty"`
	// 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.

// create group vertex with its edges.
gr := client.Group.
	Create().
	SetMaxUsers(1).
	SaveX(ctx)
log.Println("group created:", gr)

// query edges.

Output:

func (*Group) Node 

func (gr *Group) Node(ctx context.Context) (node *Node, err error)

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) 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) 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) SetMaxUsers 

func (gc *GroupCreate) SetMaxUsers(i int) *GroupCreate

SetMaxUsers sets the max_users 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 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 {
	MaxUsers int `json:"max_users,omitempty"`
	Count int `json:"count,omitempty"`
}

client.Group.Query().
	GroupBy(group.FieldMaxUsers).
	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) Select 

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

Select one or more fields from the given query.

Example: 

var v []struct {
	MaxUsers int `json:"max_users,omitempty"`
}

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

func (*GroupQuery) Where 

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

Where adds a new predicate for the builder.

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) AddMaxUsers 

func (gu *GroupUpdate) AddMaxUsers(i int) *GroupUpdate

AddMaxUsers adds i to max_users.

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) 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) SetMaxUsers 

func (gu *GroupUpdate) SetMaxUsers(i int) *GroupUpdate

SetMaxUsers sets the max_users 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) AddMaxUsers 

func (guo *GroupUpdateOne) AddMaxUsers(i int) *GroupUpdateOne

AddMaxUsers adds i to max_users.

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) 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) SetMaxUsers 

func (guo *GroupUpdateOne) SetMaxUsers(i int) *GroupUpdateOne

SetMaxUsers sets the max_users field.

type Groups 

type Groups []*Group

Groups is a parsable slice of Group.

type Node 

type Node struct {
	ID     int      `json:"id,omitemty"`      // node id.
	Type   string   `json:"type,omitempty"`   // node type.
	Fields []*Field `json:"fields,omitempty"` // node fields.
	Edges  []*Edge  `json:"edges,omitempty"`  // node edges.
}

Node in the graph.

type Noder 

type Noder interface {
	Node(context.Context) (*Node, error)
}

Noder wraps the basic Node method.

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 Pet 

type Pet struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// Age holds the value of the "age" field.
	Age int `json:"age,omitempty"`
	// LicensedAt holds the value of the "licensed_at" field.
	LicensedAt *time.Time `json:"licensed_at,omitempty"`
	// Edges holds the relations/edges for other nodes in the graph.
	// The values are being populated by the PetQuery when eager-loading is set.
	Edges PetEdges `json:"edges"`
	// contains filtered or unexported fields
}

Pet is the model entity for the Pet 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 pet's edges.

// create pet vertex with its edges.
pe := client.Pet.
	Create().
	SetAge(1).
	SetLicensedAt(time.Now()).
	SaveX(ctx)
log.Println("pet created:", pe)

// query edges.

Output:

func (*Pet) Node 

func (pe *Pet) Node(ctx context.Context) (node *Node, err error)

func (*Pet) QueryOwner 

func (pe *Pet) QueryOwner() *UserQuery

QueryOwner queries the owner edge of the Pet.

func (*Pet) String 

func (pe *Pet) String() string

String implements the fmt.Stringer.

func (*Pet) Unwrap 

func (pe *Pet) Unwrap() *Pet

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 (*Pet) Update 

func (pe *Pet) Update() *PetUpdateOne

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

type PetClient 

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

PetClient is a client for the Pet schema.

func NewPetClient 

func NewPetClient(c config) *PetClient

NewPetClient returns a client for the Pet from the given config.

func (*PetClient) Create 

func (c *PetClient) Create() *PetCreate

Create returns a create builder for Pet.

func (*PetClient) Delete 

func (c *PetClient) Delete() *PetDelete

Delete returns a delete builder for Pet.

func (*PetClient) DeleteOne 

func (c *PetClient) DeleteOne(pe *Pet) *PetDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*PetClient) DeleteOneID 

func (c *PetClient) DeleteOneID(id int) *PetDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*PetClient) Get 

func (c *PetClient) Get(ctx context.Context, id int) (*Pet, error)

Get returns a Pet entity by its id.

func (*PetClient) GetX 

func (c *PetClient) GetX(ctx context.Context, id int) *Pet

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

func (*PetClient) Query 

func (c *PetClient) Query() *PetQuery

Create returns a query builder for Pet.

func (*PetClient) QueryOwner 

func (c *PetClient) QueryOwner(pe *Pet) *UserQuery

QueryOwner queries the owner edge of a Pet.

func (*PetClient) Update 

func (c *PetClient) Update() *PetUpdate

Update returns an update builder for Pet.

func (*PetClient) UpdateOne 

func (c *PetClient) UpdateOne(pe *Pet) *PetUpdateOne

UpdateOne returns an update builder for the given entity.

func (*PetClient) UpdateOneID 

func (c *PetClient) UpdateOneID(id int) *PetUpdateOne

UpdateOneID returns an update builder for the given id.

type PetCreate 

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

PetCreate is the builder for creating a Pet entity.

func (*PetCreate) Save 

func (pc *PetCreate) Save(ctx context.Context) (*Pet, error)

Save creates the Pet in the database.

func (*PetCreate) SaveX 

func (pc *PetCreate) SaveX(ctx context.Context) *Pet

SaveX calls Save and panics if Save returns an error.

func (*PetCreate) SetAge 

func (pc *PetCreate) SetAge(i int) *PetCreate

SetAge sets the age field.

func (*PetCreate) SetLicensedAt 

func (pc *PetCreate) SetLicensedAt(t time.Time) *PetCreate

SetLicensedAt sets the licensed_at field.

func (*PetCreate) SetNillableLicensedAt 

func (pc *PetCreate) SetNillableLicensedAt(t *time.Time) *PetCreate

SetNillableLicensedAt sets the licensed_at field if the given value is not nil.

func (*PetCreate) SetNillableOwnerID 

func (pc *PetCreate) SetNillableOwnerID(id *int) *PetCreate

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

func (*PetCreate) SetOwner 

func (pc *PetCreate) SetOwner(u *User) *PetCreate

SetOwner sets the owner edge to User.

func (*PetCreate) SetOwnerID 

func (pc *PetCreate) SetOwnerID(id int) *PetCreate

SetOwnerID sets the owner edge to User by id.

type PetDelete 

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

PetDelete is the builder for deleting a Pet entity.

func (*PetDelete) Exec 

func (pd *PetDelete) Exec(ctx context.Context) (int, error)

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

func (*PetDelete) ExecX 

func (pd *PetDelete) ExecX(ctx context.Context) int

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

func (*PetDelete) Where 

func (pd *PetDelete) Where(ps ...predicate.Pet) *PetDelete

Where adds a new predicate to the delete builder.

type PetDeleteOne 

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

PetDeleteOne is the builder for deleting a single Pet entity.

func (*PetDeleteOne) Exec 

func (pdo *PetDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*PetDeleteOne) ExecX 

func (pdo *PetDeleteOne) ExecX(ctx context.Context)

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

type PetEdges 

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

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

func (PetEdges) OwnerOrErr 

func (e PetEdges) 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 PetGroupBy 

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

PetGroupBy is the builder for group-by Pet entities.

func (*PetGroupBy) Aggregate 

func (pgb *PetGroupBy) Aggregate(fns ...Aggregate) *PetGroupBy

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

func (*PetGroupBy) Bools 

func (pgb *PetGroupBy) 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 (*PetGroupBy) BoolsX 

func (pgb *PetGroupBy) BoolsX(ctx context.Context) []bool

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

func (*PetGroupBy) Float64s 

func (pgb *PetGroupBy) 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 (*PetGroupBy) Float64sX 

func (pgb *PetGroupBy) Float64sX(ctx context.Context) []float64

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

func (*PetGroupBy) Ints 

func (pgb *PetGroupBy) 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 (*PetGroupBy) IntsX 

func (pgb *PetGroupBy) IntsX(ctx context.Context) []int

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

func (*PetGroupBy) Scan 

func (pgb *PetGroupBy) Scan(ctx context.Context, v interface{}) error

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

func (*PetGroupBy) ScanX 

func (pgb *PetGroupBy) ScanX(ctx context.Context, v interface{})

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

func (*PetGroupBy) Strings 

func (pgb *PetGroupBy) 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 (*PetGroupBy) StringsX 

func (pgb *PetGroupBy) StringsX(ctx context.Context) []string

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

type PetQuery 

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

PetQuery is the builder for querying Pet entities.

func (*PetQuery) All 

func (pq *PetQuery) All(ctx context.Context) ([]*Pet, error)

All executes the query and returns a list of Pets.

func (*PetQuery) AllX 

func (pq *PetQuery) AllX(ctx context.Context) []*Pet

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

func (*PetQuery) Clone 

func (pq *PetQuery) Clone() *PetQuery

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 (*PetQuery) Count 

func (pq *PetQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*PetQuery) CountX 

func (pq *PetQuery) CountX(ctx context.Context) int

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

func (*PetQuery) Exist 

func (pq *PetQuery) Exist(ctx context.Context) (bool, error)

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

func (*PetQuery) ExistX 

func (pq *PetQuery) ExistX(ctx context.Context) bool

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

func (*PetQuery) First 

func (pq *PetQuery) First(ctx context.Context) (*Pet, error)

First returns the first Pet entity in the query. Returns *NotFoundError when no pet was found.

func (*PetQuery) FirstID 

func (pq *PetQuery) FirstID(ctx context.Context) (id int, err error)

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

func (*PetQuery) FirstX 

func (pq *PetQuery) FirstX(ctx context.Context) *Pet

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

func (*PetQuery) FirstXID 

func (pq *PetQuery) FirstXID(ctx context.Context) int

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

func (*PetQuery) GroupBy 

func (pq *PetQuery) GroupBy(field string, fields ...string) *PetGroupBy

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.Pet.Query().
	GroupBy(pet.FieldAge).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*PetQuery) IDs 

func (pq *PetQuery) IDs(ctx context.Context) ([]int, error)

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

func (*PetQuery) IDsX 

func (pq *PetQuery) IDsX(ctx context.Context) []int

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

func (*PetQuery) Limit 

func (pq *PetQuery) Limit(limit int) *PetQuery

Limit adds a limit step to the query.

func (*PetQuery) Offset 

func (pq *PetQuery) Offset(offset int) *PetQuery

Offset adds an offset step to the query.

func (*PetQuery) Only 

func (pq *PetQuery) Only(ctx context.Context) (*Pet, error)

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

func (*PetQuery) OnlyID 

func (pq *PetQuery) OnlyID(ctx context.Context) (id int, err error)

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

func (*PetQuery) OnlyX 

func (pq *PetQuery) OnlyX(ctx context.Context) *Pet

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

func (*PetQuery) OnlyXID 

func (pq *PetQuery) OnlyXID(ctx context.Context) int

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

func (*PetQuery) Order 

func (pq *PetQuery) Order(o ...Order) *PetQuery

Order adds an order step to the query.

func (*PetQuery) QueryOwner 

func (pq *PetQuery) QueryOwner() *UserQuery

QueryOwner chains the current query on the owner edge.

func (*PetQuery) Select 

func (pq *PetQuery) Select(field string, fields ...string) *PetSelect

Select one or more fields from the given query.

Example: 

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

client.Pet.Query().
	Select(pet.FieldAge).
	Scan(ctx, &v)

func (*PetQuery) Where 

func (pq *PetQuery) Where(ps ...predicate.Pet) *PetQuery

Where adds a new predicate for the builder.

func (*PetQuery) WithOwner 

func (pq *PetQuery) WithOwner(opts ...func(*UserQuery)) *PetQuery
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 PetSelect 

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

PetSelect is the builder for select fields of Pet entities.

func (*PetSelect) Bools 

func (ps *PetSelect) Bools(ctx context.Context) ([]bool, error)

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

func (*PetSelect) BoolsX 

func (ps *PetSelect) BoolsX(ctx context.Context) []bool

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

func (*PetSelect) Float64s 

func (ps *PetSelect) Float64s(ctx context.Context) ([]float64, error)

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

func (*PetSelect) Float64sX 

func (ps *PetSelect) Float64sX(ctx context.Context) []float64

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

func (*PetSelect) Ints 

func (ps *PetSelect) Ints(ctx context.Context) ([]int, error)

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

func (*PetSelect) IntsX 

func (ps *PetSelect) IntsX(ctx context.Context) []int

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

func (*PetSelect) Scan 

func (ps *PetSelect) Scan(ctx context.Context, v interface{}) error

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

func (*PetSelect) ScanX 

func (ps *PetSelect) ScanX(ctx context.Context, v interface{})

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

func (*PetSelect) Strings 

func (ps *PetSelect) Strings(ctx context.Context) ([]string, error)

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

func (*PetSelect) StringsX 

func (ps *PetSelect) StringsX(ctx context.Context) []string

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

type PetUpdate 

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

PetUpdate is the builder for updating Pet entities.

func (*PetUpdate) AddAge 

func (pu *PetUpdate) AddAge(i int) *PetUpdate

AddAge adds i to age.

func (*PetUpdate) ClearLicensedAt 

func (pu *PetUpdate) ClearLicensedAt() *PetUpdate

ClearLicensedAt clears the value of licensed_at.

func (*PetUpdate) ClearOwner 

func (pu *PetUpdate) ClearOwner() *PetUpdate

ClearOwner clears the owner edge to User.

func (*PetUpdate) Exec 

func (pu *PetUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*PetUpdate) ExecX 

func (pu *PetUpdate) ExecX(ctx context.Context)

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

func (*PetUpdate) Save 

func (pu *PetUpdate) Save(ctx context.Context) (int, error)

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

func (*PetUpdate) SaveX 

func (pu *PetUpdate) SaveX(ctx context.Context) int

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

func (*PetUpdate) SetAge 

func (pu *PetUpdate) SetAge(i int) *PetUpdate

SetAge sets the age field.

func (*PetUpdate) SetLicensedAt 

func (pu *PetUpdate) SetLicensedAt(t time.Time) *PetUpdate

SetLicensedAt sets the licensed_at field.

func (*PetUpdate) SetNillableLicensedAt 

func (pu *PetUpdate) SetNillableLicensedAt(t *time.Time) *PetUpdate

SetNillableLicensedAt sets the licensed_at field if the given value is not nil.

func (*PetUpdate) SetNillableOwnerID 

func (pu *PetUpdate) SetNillableOwnerID(id *int) *PetUpdate

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

func (*PetUpdate) SetOwner 

func (pu *PetUpdate) SetOwner(u *User) *PetUpdate

SetOwner sets the owner edge to User.

func (*PetUpdate) SetOwnerID 

func (pu *PetUpdate) SetOwnerID(id int) *PetUpdate

SetOwnerID sets the owner edge to User by id.

func (*PetUpdate) Where 

func (pu *PetUpdate) Where(ps ...predicate.Pet) *PetUpdate

Where adds a new predicate for the builder.

type PetUpdateOne 

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

PetUpdateOne is the builder for updating a single Pet entity.

func (*PetUpdateOne) AddAge 

func (puo *PetUpdateOne) AddAge(i int) *PetUpdateOne

AddAge adds i to age.

func (*PetUpdateOne) ClearLicensedAt 

func (puo *PetUpdateOne) ClearLicensedAt() *PetUpdateOne

ClearLicensedAt clears the value of licensed_at.

func (*PetUpdateOne) ClearOwner 

func (puo *PetUpdateOne) ClearOwner() *PetUpdateOne

ClearOwner clears the owner edge to User.

func (*PetUpdateOne) Exec 

func (puo *PetUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*PetUpdateOne) ExecX 

func (puo *PetUpdateOne) ExecX(ctx context.Context)

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

func (*PetUpdateOne) Save 

func (puo *PetUpdateOne) Save(ctx context.Context) (*Pet, error)

Save executes the query and returns the updated entity.

func (*PetUpdateOne) SaveX 

func (puo *PetUpdateOne) SaveX(ctx context.Context) *Pet

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

func (*PetUpdateOne) SetAge 

func (puo *PetUpdateOne) SetAge(i int) *PetUpdateOne

SetAge sets the age field.

func (*PetUpdateOne) SetLicensedAt 

func (puo *PetUpdateOne) SetLicensedAt(t time.Time) *PetUpdateOne

SetLicensedAt sets the licensed_at field.

func (*PetUpdateOne) SetNillableLicensedAt 

func (puo *PetUpdateOne) SetNillableLicensedAt(t *time.Time) *PetUpdateOne

SetNillableLicensedAt sets the licensed_at field if the given value is not nil.

func (*PetUpdateOne) SetNillableOwnerID 

func (puo *PetUpdateOne) SetNillableOwnerID(id *int) *PetUpdateOne

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

func (*PetUpdateOne) SetOwner 

func (puo *PetUpdateOne) SetOwner(u *User) *PetUpdateOne

SetOwner sets the owner edge to User.

func (*PetUpdateOne) SetOwnerID 

func (puo *PetUpdateOne) SetOwnerID(id int) *PetUpdateOne

SetOwnerID sets the owner edge to User by id.

type Pets 

type Pets []*Pet

Pets is a parsable slice of Pet.

type Tx 

type Tx struct {

	// Group is the client for interacting with the Group builders.
	Group *GroupClient
	// Pet is the client for interacting with the Pet builders.
	Pet *PetClient
	// 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"`
	// 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.
pe0 := client.Pet.
	Create().
	SetAge(1).
	SetLicensedAt(time.Now()).
	SaveX(ctx)
log.Println("pet created:", pe0)
u1 := client.User.
	Create().
	SetName("string").
	SaveX(ctx)
log.Println("user created:", u1)

// create user vertex with its edges.
u := client.User.
	Create().
	SetName("string").
	AddPets(pe0).
	AddFriends(u1).
	SaveX(ctx)
log.Println("user created:", u)

// query edges.
pe0, err = u.QueryPets().First(ctx)
if err != nil {
	log.Fatalf("failed querying pets: %v", err)
}
log.Println("pets found:", pe0)

u1, err = u.QueryFriends().First(ctx)
if err != nil {
	log.Fatalf("failed querying friends: %v", err)
}
log.Println("friends found:", u1)

Output:

func (*User) Node 

func (u *User) Node(ctx context.Context) (node *Node, err error)

func (*User) QueryFriends 

func (u *User) QueryFriends() *UserQuery

QueryFriends queries the friends edge of the User.

func (*User) QueryPets 

func (u *User) QueryPets() *PetQuery

QueryPets queries the pets 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) QueryFriends 

func (c *UserClient) QueryFriends(u *User) *UserQuery

QueryFriends queries the friends edge of a User.

func (*UserClient) QueryPets 

func (c *UserClient) QueryPets(u *User) *PetQuery

QueryPets queries the pets 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) AddFriendIDs 

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

AddFriendIDs adds the friends edge to User by ids.

func (*UserCreate) AddFriends 

func (uc *UserCreate) AddFriends(u ...*User) *UserCreate

AddFriends adds the friends edges to User.

func (*UserCreate) AddPetIDs 

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

AddPetIDs adds the pets edge to Pet by ids.

func (*UserCreate) AddPets 

func (uc *UserCreate) AddPets(p ...*Pet) *UserCreate

AddPets adds the pets edges to Pet.

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) SetName 

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

SetName sets the name field.

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 {
	// Pets holds the value of the pets edge.
	Pets []*Pet
	// Friends holds the value of the friends edge.
	Friends []*User
	// contains filtered or unexported fields
}

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

func (UserEdges) FriendsOrErr 

func (e UserEdges) FriendsOrErr() ([]*User, error)

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

func (UserEdges) PetsOrErr 

func (e UserEdges) PetsOrErr() ([]*Pet, error)

PetsOrErr returns the Pets 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 {
	Name string `json:"name,omitempty"`
	Count int `json:"count,omitempty"`
}

client.User.Query().
	GroupBy(user.FieldName).
	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) QueryFriends 

func (uq *UserQuery) QueryFriends() *UserQuery

QueryFriends chains the current query on the friends edge.

func (*UserQuery) QueryPets 

func (uq *UserQuery) QueryPets() *PetQuery

QueryPets chains the current query on the pets 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 {
	Name string `json:"name,omitempty"`
}

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

func (*UserQuery) Where 

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

Where adds a new predicate for the builder.

func (*UserQuery) WithFriends 

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

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

func (*UserQuery) WithPets 

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

the "pets" 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) AddFriendIDs 

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

AddFriendIDs adds the friends edge to User by ids.

func (*UserUpdate) AddFriends 

func (uu *UserUpdate) AddFriends(u ...*User) *UserUpdate

AddFriends adds the friends edges to User.

func (*UserUpdate) AddPetIDs 

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

AddPetIDs adds the pets edge to Pet by ids.

func (*UserUpdate) AddPets 

func (uu *UserUpdate) AddPets(p ...*Pet) *UserUpdate

AddPets adds the pets edges to Pet.

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) RemoveFriendIDs 

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

RemoveFriendIDs removes the friends edge to User by ids.

func (*UserUpdate) RemoveFriends 

func (uu *UserUpdate) RemoveFriends(u ...*User) *UserUpdate

RemoveFriends removes friends edges to User.

func (*UserUpdate) RemovePetIDs 

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

RemovePetIDs removes the pets edge to Pet by ids.

func (*UserUpdate) RemovePets 

func (uu *UserUpdate) RemovePets(p ...*Pet) *UserUpdate

RemovePets removes pets edges to Pet.

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) SetName 

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

SetName sets the name field.

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) AddFriendIDs 

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

AddFriendIDs adds the friends edge to User by ids.

func (*UserUpdateOne) AddFriends 

func (uuo *UserUpdateOne) AddFriends(u ...*User) *UserUpdateOne

AddFriends adds the friends edges to User.

func (*UserUpdateOne) AddPetIDs 

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

AddPetIDs adds the pets edge to Pet by ids.

func (*UserUpdateOne) AddPets 

func (uuo *UserUpdateOne) AddPets(p ...*Pet) *UserUpdateOne

AddPets adds the pets edges to Pet.

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) RemoveFriendIDs 

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

RemoveFriendIDs removes the friends edge to User by ids.

func (*UserUpdateOne) RemoveFriends 

func (uuo *UserUpdateOne) RemoveFriends(u ...*User) *UserUpdateOne

RemoveFriends removes friends edges to User.

func (*UserUpdateOne) RemovePetIDs 

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

RemovePetIDs removes the pets edge to Pet by ids.

func (*UserUpdateOne) RemovePets 

func (uuo *UserUpdateOne) RemovePets(p ...*Pet) *UserUpdateOne

RemovePets removes pets edges to Pet.

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) SetName 

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

SetName sets the name field.

type Users 

type Users []*User

Users is a parsable slice of User.

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