ent

package
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 Go to latest Published: Oct 24, 2022 License: Apache-2.0 Imports: 17 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// Operation types.
	OpCreate    = ent.OpCreate
	OpDelete    = ent.OpDelete
	OpDeleteOne = ent.OpDeleteOne
	OpUpdate    = ent.OpUpdate
	OpUpdateOne = ent.OpUpdateOne

	// Node types.
	TypePet  = "Pet"
	TypeUser = "User"
)

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 IsValidationError 

func IsValidationError(err error) bool

IsValidationError returns a boolean indicating whether the error is a validaton 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.

func NewTxContext 

func NewTxContext(parent context.Context, tx *Tx) context.Context

NewTxContext returns a new context with the given Client attached.

Types

type AggregateFunc 

type AggregateFunc func(*sql.Selector) string

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

func As 

func As(fn AggregateFunc, end string) AggregateFunc

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() AggregateFunc

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

func Max 

func Max(field string) AggregateFunc

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

func Mean 

func Mean(field string) AggregateFunc

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

func Min 

func Min(field string) AggregateFunc

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

func Sum 

func Sum(field string) AggregateFunc

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
	// 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 database/sql.DB specified by the driver name and the data source name, and returns a new client attached to it. Optional parameters can be added for configuring the client.

func (*Client) BeginTx 

func (c *Client) BeginTx(ctx context.Context, opts *sql.TxOptions) (*Tx, error)

BeginTx returns a transactional client with options.

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().
	Pet.
	Query().
	Count(ctx)

func (*Client) Tx 

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

Tx returns a new transactional client. The provided context is used until the transaction is committed or rolled back.

func (*Client) Use 

func (c *Client) Use(hooks ...Hook)

Use adds the mutation hooks to all the entity clients. In order to add hooks to a specific client, call: `client.Node.Use(...)`.

type CommitFunc 

type CommitFunc func(context.Context, *Tx) error

The CommitFunc type is an adapter to allow the use of ordinary function as a Committer. If f is a function with the appropriate signature, CommitFunc(f) is a Committer that calls f.

func (CommitFunc) Commit 

func (f CommitFunc) Commit(ctx context.Context, tx *Tx) error

Commit calls f(ctx, m).

type CommitHook 

type CommitHook func(Committer) Committer

CommitHook defines the "commit middleware". A function that gets a Committer and returns a Committer. For example: 

hook := func(next ent.Committer) ent.Committer {
	return ent.CommitFunc(func(context.Context, tx *ent.Tx) error {
		// Do some stuff before.
		if err := next.Commit(ctx, tx); err != nil {
			return err
		}
		// Do some stuff after.
		return nil
	})
}

type Committer 

type Committer interface {
	Commit(context.Context, *Tx) error
}

Committer is the interface that wraps the Committer method.

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 Hook 

type Hook = ent.Hook

ent aliases to avoid import conflict in user's code.

type MutateFunc 

type MutateFunc = ent.MutateFunc

ent aliases to avoid import conflict in user's code.

type Mutation 

type Mutation = ent.Mutation

ent aliases to avoid import conflict in user's code.

type Mutator 

type Mutator = ent.Mutator

ent aliases to avoid import conflict in user's code.

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 Op 

type Op = ent.Op

ent aliases to avoid import conflict in user's code.

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 OrderFunc 

type OrderFunc func(*sql.Selector)

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

func Asc 

func Asc(fields ...string) OrderFunc

Asc applies the given fields in ASC order.

func Desc 

func Desc(fields ...string) OrderFunc

Desc applies the given fields in DESC order.

type Pet 

type Pet 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 PetQuery when eager-loading is set.
	Edges PetEdges `json:"edges"`
	// contains filtered or unexported fields
}

Pet is the model entity for the Pet schema.

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) CreateBulk 

func (c *PetClient) CreateBulk(builders ...*PetCreate) *PetCreateBulk

BulkCreate returns a builder for creating a bulk of Pet entities.

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) Hooks 

func (c *PetClient) Hooks() []Hook

Hooks returns the client hooks.

func (*PetClient) Query 

func (c *PetClient) Query() *PetQuery

Query 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.

func (*PetClient) Use 

func (c *PetClient) Use(hooks ...Hook)

Use adds a list of mutation hooks to the hooks stack. A call to `Use(f, g, h)` equals to `pet.Hooks(f(g(h())))`.

type PetCreate 

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

PetCreate is the builder for creating a Pet entity.

func (*PetCreate) Mutation 

func (pc *PetCreate) Mutation() *PetMutation

Mutation returns the PetMutation object of the builder.

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) SetName 

func (pc *PetCreate) SetName(s string) *PetCreate

SetName sets the name field.

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 PetCreateBulk 

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

PetCreateBulk is the builder for creating a bulk of Pet entities.

func (*PetCreateBulk) Save 

func (pcb *PetCreateBulk) Save(ctx context.Context) ([]*Pet, error)

Save creates the Pet entities in the database.

func (*PetCreateBulk) SaveX 

func (pcb *PetCreateBulk) SaveX(ctx context.Context) []*Pet

SaveX calls Save and panics if Save returns an error.

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 ...AggregateFunc) *PetGroupBy

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

func (*PetGroupBy) Bool 

func (pgb *PetGroupBy) Bool(ctx context.Context) (_ bool, err error)

Bool returns a single bool from group-by. It is only allowed when querying group-by with one field.

func (*PetGroupBy) BoolX 

func (pgb *PetGroupBy) BoolX(ctx context.Context) bool

BoolX is like Bool, but panics if an error occurs.

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) Float64 

func (pgb *PetGroupBy) Float64(ctx context.Context) (_ float64, err error)

Float64 returns a single float64 from group-by. It is only allowed when querying group-by with one field.

func (*PetGroupBy) Float64X 

func (pgb *PetGroupBy) Float64X(ctx context.Context) float64

Float64X is like Float64, 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) Int 

func (pgb *PetGroupBy) Int(ctx context.Context) (_ int, err error)

Int returns a single int from group-by. It is only allowed when querying group-by with one field.

func (*PetGroupBy) IntX 

func (pgb *PetGroupBy) IntX(ctx context.Context) int

IntX is like Int, 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) String 

func (pgb *PetGroupBy) String(ctx context.Context) (_ string, err error)

String returns a single string from group-by. It is only allowed when querying group-by with one field.

func (*PetGroupBy) StringX 

func (pgb *PetGroupBy) StringX(ctx context.Context) string

StringX is like String, 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 PetMutation 

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

PetMutation represents an operation that mutate the Pets nodes in the graph.

func (*PetMutation) AddField 

func (m *PetMutation) AddField(name string, value ent.Value) error

AddField adds the value for the given name. It returns an error if the field is not defined in the schema, or if the type mismatch the field type.

func (*PetMutation) AddedEdges 

func (m *PetMutation) AddedEdges() []string

AddedEdges returns all edge names that were set/added in this mutation.

func (*PetMutation) AddedField 

func (m *PetMutation) AddedField(name string) (ent.Value, bool)

AddedField returns the numeric value that was in/decremented from a field with the given name. The second value indicates that this field was not set, or was not define in the schema.

func (*PetMutation) AddedFields 

func (m *PetMutation) AddedFields() []string

AddedFields returns all numeric fields that were incremented or decremented during this mutation.

func (*PetMutation) AddedIDs 

func (m *PetMutation) AddedIDs(name string) []ent.Value

AddedIDs returns all ids (to other nodes) that were added for the given edge name.

func (*PetMutation) ClearEdge 

func (m *PetMutation) ClearEdge(name string) error

ClearEdge clears the value for the given name. It returns an error if the edge name is not defined in the schema.

func (*PetMutation) ClearField 

func (m *PetMutation) ClearField(name string) error

ClearField clears the value for the given name. It returns an error if the field is not defined in the schema.

func (*PetMutation) ClearOwner 

func (m *PetMutation) ClearOwner()

ClearOwner clears the owner edge to User.

func (*PetMutation) ClearedEdges 

func (m *PetMutation) ClearedEdges() []string

ClearedEdges returns all edge names that were cleared in this mutation.

func (*PetMutation) ClearedFields 

func (m *PetMutation) ClearedFields() []string

ClearedFields returns all nullable fields that were cleared during this mutation.

func (PetMutation) Client 

func (m PetMutation) Client() *Client

Client returns a new `ent.Client` from the mutation. If the mutation was executed in a transaction (ent.Tx), a transactional client is returned.

func (*PetMutation) EdgeCleared 

func (m *PetMutation) EdgeCleared(name string) bool

EdgeCleared returns a boolean indicates if this edge was cleared in this mutation.

func (*PetMutation) Field 

func (m *PetMutation) Field(name string) (ent.Value, bool)

Field returns the value of a field with the given name. The second boolean value indicates that this field was not set, or was not define in the schema.

func (*PetMutation) FieldCleared 

func (m *PetMutation) FieldCleared(name string) bool

FieldCleared returns a boolean indicates if this field was cleared in this mutation.

func (*PetMutation) Fields 

func (m *PetMutation) Fields() []string

Fields returns all fields that were changed during this mutation. Note that, in order to get all numeric fields that were in/decremented, call AddedFields().

func (*PetMutation) ID 

func (m *PetMutation) ID() (id int, exists bool)

ID returns the id value in the mutation. Note that, the id is available only if it was provided to the builder.

func (*PetMutation) Name 

func (m *PetMutation) Name() (r string, exists bool)

Name returns the name value in the mutation.

func (*PetMutation) OldField 

func (m *PetMutation) OldField(ctx context.Context, name string) (ent.Value, error)

OldField returns the old value of the field from the database. An error is returned if the mutation operation is not UpdateOne, or the query to the database was failed.

func (*PetMutation) OldName 

func (m *PetMutation) OldName(ctx context.Context) (v string, err error)

OldName returns the old name value of the Pet. If the Pet object wasn't provided to the builder, the object is fetched from the database. An error is returned if the mutation operation is not UpdateOne, or database query fails.

func (*PetMutation) Op 

func (m *PetMutation) Op() Op

Op returns the operation name.

func (*PetMutation) OwnerCleared 

func (m *PetMutation) OwnerCleared() bool

OwnerCleared returns if the edge owner was cleared.

func (*PetMutation) OwnerID 

func (m *PetMutation) OwnerID() (id int, exists bool)

OwnerID returns the owner id in the mutation.

func (*PetMutation) OwnerIDs 

func (m *PetMutation) OwnerIDs() (ids []int)

OwnerIDs returns the owner ids in the mutation. Note that ids always returns len(ids) <= 1 for unique edges, and you should use OwnerID instead. It exists only for internal usage by the builders.

func (*PetMutation) RemovedEdges 

func (m *PetMutation) RemovedEdges() []string

RemovedEdges returns all edge names that were removed in this mutation.

func (*PetMutation) RemovedIDs 

func (m *PetMutation) RemovedIDs(name string) []ent.Value

RemovedIDs returns all ids (to other nodes) that were removed for the given edge name.

func (*PetMutation) ResetEdge 

func (m *PetMutation) ResetEdge(name string) error

ResetEdge resets all changes in the mutation regarding the given edge name. It returns an error if the edge is not defined in the schema.

func (*PetMutation) ResetField 

func (m *PetMutation) ResetField(name string) error

ResetField resets all changes in the mutation regarding the given field name. It returns an error if the field is not defined in the schema.

func (*PetMutation) ResetName 

func (m *PetMutation) ResetName()

ResetName reset all changes of the "name" field.

func (*PetMutation) ResetOwner 

func (m *PetMutation) ResetOwner()

ResetOwner reset all changes of the "owner" edge.

func (*PetMutation) SetField 

func (m *PetMutation) SetField(name string, value ent.Value) error

SetField sets the value for the given name. It returns an error if the field is not defined in the schema, or if the type mismatch the field type.

func (*PetMutation) SetName 

func (m *PetMutation) SetName(s string)

SetName sets the name field.

func (*PetMutation) SetOwnerID 

func (m *PetMutation) SetOwnerID(id int)

SetOwnerID sets the owner edge to User by id.

func (PetMutation) Tx 

func (m PetMutation) Tx() (*Tx, error)

Tx returns an `ent.Tx` for mutations that were executed in transactions; it returns an error otherwise.

func (*PetMutation) Type 

func (m *PetMutation) Type() string

Type returns the node type of this mutation (Pet).

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

client.Pet.Query().
	GroupBy(pet.FieldName).
	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) OnlyIDX 

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

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

func (*PetQuery) OnlyX 

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

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

func (*PetQuery) Order 

func (pq *PetQuery) Order(o ...OrderFunc) *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 {
	Name string `json:"name,omitempty"`
}

client.Pet.Query().
	Select(pet.FieldName).
	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) Bool 

func (ps *PetSelect) Bool(ctx context.Context) (_ bool, err error)

Bool returns a single bool from selector. It is only allowed when selecting one field.

func (*PetSelect) BoolX 

func (ps *PetSelect) BoolX(ctx context.Context) bool

BoolX is like Bool, but panics if an error occurs.

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) Float64 

func (ps *PetSelect) Float64(ctx context.Context) (_ float64, err error)

Float64 returns a single float64 from selector. It is only allowed when selecting one field.

func (*PetSelect) Float64X 

func (ps *PetSelect) Float64X(ctx context.Context) float64

Float64X is like Float64, 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) Int 

func (ps *PetSelect) Int(ctx context.Context) (_ int, err error)

Int returns a single int from selector. It is only allowed when selecting one field.

func (*PetSelect) IntX 

func (ps *PetSelect) IntX(ctx context.Context) int

IntX is like Int, 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) String 

func (ps *PetSelect) String(ctx context.Context) (_ string, err error)

String returns a single string from selector. It is only allowed when selecting one field.

func (*PetSelect) StringX 

func (ps *PetSelect) StringX(ctx context.Context) string

StringX is like String, 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) 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) Mutation 

func (pu *PetUpdate) Mutation() *PetMutation

Mutation returns the PetMutation object of the builder.

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) SetName 

func (pu *PetUpdate) SetName(s string) *PetUpdate

SetName sets the name field.

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) 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) Mutation 

func (puo *PetUpdateOne) Mutation() *PetMutation

Mutation returns the PetMutation object of the builder.

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) SetName 

func (puo *PetUpdateOne) SetName(s string) *PetUpdateOne

SetName sets the name field.

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 Policy 

type Policy = ent.Policy

ent aliases to avoid import conflict in user's code.

type Query 

type Query = ent.Query

ent aliases to avoid import conflict in user's code.

type RollbackFunc 

type RollbackFunc func(context.Context, *Tx) error

The RollbackFunc type is an adapter to allow the use of ordinary function as a Rollbacker. If f is a function with the appropriate signature, RollbackFunc(f) is a Rollbacker that calls f.

func (RollbackFunc) Rollback 

func (f RollbackFunc) Rollback(ctx context.Context, tx *Tx) error

Rollback calls f(ctx, m).

type RollbackHook 

type RollbackHook func(Rollbacker) Rollbacker

RollbackHook defines the "rollback middleware". A function that gets a Rollbacker and returns a Rollbacker. For example: 

hook := func(next ent.Rollbacker) ent.Rollbacker {
	return ent.RollbackFunc(func(context.Context, tx *ent.Tx) error {
		// Do some stuff before.
		if err := next.Rollback(ctx, tx); err != nil {
			return err
		}
		// Do some stuff after.
		return nil
	})
}

type Rollbacker 

type Rollbacker interface {
	Rollback(context.Context, *Tx) error
}

Rollbacker is the interface that wraps the Rollbacker method.

type Tx 

type Tx struct {

	// 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 TxFromContext 

func TxFromContext(ctx context.Context) *Tx

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

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) OnCommit 

func (tx *Tx) OnCommit(f CommitHook)

OnCommit adds a hook to call on commit.

func (*Tx) OnRollback 

func (tx *Tx) OnRollback(f RollbackHook)

OnRollback adds a hook to call on rollback.

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.

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) CreateBulk 

func (c *UserClient) CreateBulk(builders ...*UserCreate) *UserCreateBulk

BulkCreate returns a builder for creating a bulk of User entities.

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) Hooks 

func (c *UserClient) Hooks() []Hook

Hooks returns the client hooks.

func (*UserClient) Query 

func (c *UserClient) Query() *UserQuery

Query returns a query builder for 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.

func (*UserClient) Use 

func (c *UserClient) Use(hooks ...Hook)

Use adds a list of mutation hooks to the hooks stack. A call to `Use(f, g, h)` equals to `user.Hooks(f(g(h())))`.

type UserCreate 

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

UserCreate is the builder for creating a User entity.

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) Mutation 

func (uc *UserCreate) Mutation() *UserMutation

Mutation returns the UserMutation object of the builder.

func (*UserCreate) Save 

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

Save creates the User in the database.

func (*UserCreate) SaveX 

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

SaveX calls Save and panics if Save returns an error.

func (*UserCreate) SetAge 

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

SetAge sets the age field.

func (*UserCreate) SetName 

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

SetName sets the name field.

type UserCreateBulk 

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

UserCreateBulk is the builder for creating a bulk of User entities.

func (*UserCreateBulk) Save 

func (ucb *UserCreateBulk) Save(ctx context.Context) ([]*User, error)

Save creates the User entities in the database.

func (*UserCreateBulk) SaveX 

func (ucb *UserCreateBulk) SaveX(ctx context.Context) []*User

SaveX calls Save and panics if Save returns an error.

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
	// contains filtered or unexported fields
}

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

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 ...AggregateFunc) *UserGroupBy

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

func (*UserGroupBy) Bool 

func (ugb *UserGroupBy) Bool(ctx context.Context) (_ bool, err error)

Bool returns a single bool from group-by. It is only allowed when querying group-by with one field.

func (*UserGroupBy) BoolX 

func (ugb *UserGroupBy) BoolX(ctx context.Context) bool

BoolX is like Bool, but panics if an error occurs.

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) Float64 

func (ugb *UserGroupBy) Float64(ctx context.Context) (_ float64, err error)

Float64 returns a single float64 from group-by. It is only allowed when querying group-by with one field.

func (*UserGroupBy) Float64X 

func (ugb *UserGroupBy) Float64X(ctx context.Context) float64

Float64X is like Float64, 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) Int 

func (ugb *UserGroupBy) Int(ctx context.Context) (_ int, err error)

Int returns a single int from group-by. It is only allowed when querying group-by with one field.

func (*UserGroupBy) IntX 

func (ugb *UserGroupBy) IntX(ctx context.Context) int

IntX is like Int, 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) String 

func (ugb *UserGroupBy) String(ctx context.Context) (_ string, err error)

String returns a single string from group-by. It is only allowed when querying group-by with one field.

func (*UserGroupBy) StringX 

func (ugb *UserGroupBy) StringX(ctx context.Context) string

StringX is like String, 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 UserMutation 

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

UserMutation represents an operation that mutate the Users nodes in the graph.

func (*UserMutation) AddAge 

func (m *UserMutation) AddAge(i int)

AddAge adds i to age.

func (*UserMutation) AddField 

func (m *UserMutation) AddField(name string, value ent.Value) error

AddField adds the value for the given name. It returns an error if the field is not defined in the schema, or if the type mismatch the field type.

func (*UserMutation) AddPetIDs 

func (m *UserMutation) AddPetIDs(ids ...int)

AddPetIDs adds the pets edge to Pet by ids.

func (*UserMutation) AddedAge 

func (m *UserMutation) AddedAge() (r int, exists bool)

AddedAge returns the value that was added to the age field in this mutation.

func (*UserMutation) AddedEdges 

func (m *UserMutation) AddedEdges() []string

AddedEdges returns all edge names that were set/added in this mutation.

func (*UserMutation) AddedField 

func (m *UserMutation) AddedField(name string) (ent.Value, bool)

AddedField returns the numeric value that was in/decremented from a field with the given name. The second value indicates that this field was not set, or was not define in the schema.

func (*UserMutation) AddedFields 

func (m *UserMutation) AddedFields() []string

AddedFields returns all numeric fields that were incremented or decremented during this mutation.

func (*UserMutation) AddedIDs 

func (m *UserMutation) AddedIDs(name string) []ent.Value

AddedIDs returns all ids (to other nodes) that were added for the given edge name.

func (*UserMutation) Age 

func (m *UserMutation) Age() (r int, exists bool)

Age returns the age value in the mutation.

func (*UserMutation) ClearEdge 

func (m *UserMutation) ClearEdge(name string) error

ClearEdge clears the value for the given name. It returns an error if the edge name is not defined in the schema.

func (*UserMutation) ClearField 

func (m *UserMutation) ClearField(name string) error

ClearField clears the value for the given name. It returns an error if the field is not defined in the schema.

func (*UserMutation) ClearedEdges 

func (m *UserMutation) ClearedEdges() []string

ClearedEdges returns all edge names that were cleared in this mutation.

func (*UserMutation) ClearedFields 

func (m *UserMutation) ClearedFields() []string

ClearedFields returns all nullable fields that were cleared during this mutation.

func (UserMutation) Client 

func (m UserMutation) Client() *Client

Client returns a new `ent.Client` from the mutation. If the mutation was executed in a transaction (ent.Tx), a transactional client is returned.

func (*UserMutation) EdgeCleared 

func (m *UserMutation) EdgeCleared(name string) bool

EdgeCleared returns a boolean indicates if this edge was cleared in this mutation.

func (*UserMutation) Field 

func (m *UserMutation) Field(name string) (ent.Value, bool)

Field returns the value of a field with the given name. The second boolean value indicates that this field was not set, or was not define in the schema.

func (*UserMutation) FieldCleared 

func (m *UserMutation) FieldCleared(name string) bool

FieldCleared returns a boolean indicates if this field was cleared in this mutation.

func (*UserMutation) Fields 

func (m *UserMutation) Fields() []string

Fields returns all fields that were changed during this mutation. Note that, in order to get all numeric fields that were in/decremented, call AddedFields().

func (*UserMutation) ID 

func (m *UserMutation) ID() (id int, exists bool)

ID returns the id value in the mutation. Note that, the id is available only if it was provided to the builder.

func (*UserMutation) Name 

func (m *UserMutation) Name() (r string, exists bool)

Name returns the name value in the mutation.

func (*UserMutation) OldAge 

func (m *UserMutation) OldAge(ctx context.Context) (v int, err error)

OldAge returns the old age value of the User. If the User object wasn't provided to the builder, the object is fetched from the database. An error is returned if the mutation operation is not UpdateOne, or database query fails.

func (*UserMutation) OldField 

func (m *UserMutation) OldField(ctx context.Context, name string) (ent.Value, error)

OldField returns the old value of the field from the database. An error is returned if the mutation operation is not UpdateOne, or the query to the database was failed.

func (*UserMutation) OldName 

func (m *UserMutation) OldName(ctx context.Context) (v string, err error)

OldName returns the old name value of the User. If the User object wasn't provided to the builder, the object is fetched from the database. An error is returned if the mutation operation is not UpdateOne, or database query fails.

func (*UserMutation) Op 

func (m *UserMutation) Op() Op

Op returns the operation name.

func (*UserMutation) PetsIDs 

func (m *UserMutation) PetsIDs() (ids []int)

PetsIDs returns the pets ids in the mutation.

func (*UserMutation) RemovePetIDs 

func (m *UserMutation) RemovePetIDs(ids ...int)

RemovePetIDs removes the pets edge to Pet by ids.

func (*UserMutation) RemovedEdges 

func (m *UserMutation) RemovedEdges() []string

RemovedEdges returns all edge names that were removed in this mutation.

func (*UserMutation) RemovedIDs 

func (m *UserMutation) RemovedIDs(name string) []ent.Value

RemovedIDs returns all ids (to other nodes) that were removed for the given edge name.

func (*UserMutation) RemovedPetsIDs 

func (m *UserMutation) RemovedPetsIDs() (ids []int)

RemovedPets returns the removed ids of pets.

func (*UserMutation) ResetAge 

func (m *UserMutation) ResetAge()

ResetAge reset all changes of the "age" field.

func (*UserMutation) ResetEdge 

func (m *UserMutation) ResetEdge(name string) error

ResetEdge resets all changes in the mutation regarding the given edge name. It returns an error if the edge is not defined in the schema.

func (*UserMutation) ResetField 

func (m *UserMutation) ResetField(name string) error

ResetField resets all changes in the mutation regarding the given field name. It returns an error if the field is not defined in the schema.

func (*UserMutation) ResetName 

func (m *UserMutation) ResetName()

ResetName reset all changes of the "name" field.

func (*UserMutation) ResetPets 

func (m *UserMutation) ResetPets()

ResetPets reset all changes of the "pets" edge.

func (*UserMutation) SetAge 

func (m *UserMutation) SetAge(i int)

SetAge sets the age field.

func (*UserMutation) SetField 

func (m *UserMutation) SetField(name string, value ent.Value) error

SetField sets the value for the given name. It returns an error if the field is not defined in the schema, or if the type mismatch the field type.

func (*UserMutation) SetName 

func (m *UserMutation) SetName(s string)

SetName sets the name field.

func (UserMutation) Tx 

func (m UserMutation) Tx() (*Tx, error)

Tx returns an `ent.Tx` for mutations that were executed in transactions; it returns an error otherwise.

func (*UserMutation) Type 

func (m *UserMutation) Type() string

Type returns the node type of this mutation (User).

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) OnlyIDX 

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

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

func (*UserQuery) OnlyX 

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

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

func (*UserQuery) Order 

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

Order adds an order step to the query.

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 {
	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) 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) Bool 

func (us *UserSelect) Bool(ctx context.Context) (_ bool, err error)

Bool returns a single bool from selector. It is only allowed when selecting one field.

func (*UserSelect) BoolX 

func (us *UserSelect) BoolX(ctx context.Context) bool

BoolX is like Bool, but panics if an error occurs.

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) Float64 

func (us *UserSelect) Float64(ctx context.Context) (_ float64, err error)

Float64 returns a single float64 from selector. It is only allowed when selecting one field.

func (*UserSelect) Float64X 

func (us *UserSelect) Float64X(ctx context.Context) float64

Float64X is like Float64, 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) Int 

func (us *UserSelect) Int(ctx context.Context) (_ int, err error)

Int returns a single int from selector. It is only allowed when selecting one field.

func (*UserSelect) IntX 

func (us *UserSelect) IntX(ctx context.Context) int

IntX is like Int, 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) String 

func (us *UserSelect) String(ctx context.Context) (_ string, err error)

String returns a single string from selector. It is only allowed when selecting one field.

func (*UserSelect) StringX 

func (us *UserSelect) StringX(ctx context.Context) string

StringX is like String, 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) 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) Mutation 

func (uu *UserUpdate) Mutation() *UserMutation

Mutation returns the UserMutation object of the builder.

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) SetAge 

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

SetAge sets the age field.

func (*UserUpdate) SetName 

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

SetName sets the name field.

func (*UserUpdate) 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) 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) Mutation 

func (uuo *UserUpdateOne) Mutation() *UserMutation

Mutation returns the UserMutation object of the builder.

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) SetAge 

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

SetAge sets the age field.

func (*UserUpdateOne) SetName 

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

SetName sets the name field.

type Users 

type Users []*User

Users is a parsable slice of User.

type ValidationError 

type ValidationError struct {
	Name string // Field or edge name.
	// contains filtered or unexported fields
}

ValidationError returns when validating a field fails.

func (*ValidationError) Error 

func (e *ValidationError) Error() string

Error implements the error interface.

func (*ValidationError) Unwrap 

func (e *ValidationError) Unwrap() error

Unwrap implements the errors.Wrapper interface.

type Value 

type Value = ent.Value

ent aliases to avoid import conflict in user's code.

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