Documentation

Index

Constants

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 not 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, func(string) bool) 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, func(string) bool)

OrderFunc applies an ordering on the 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) FirstIDX

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

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

func (*PetQuery) FirstX

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

FirstX is like First, 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 type 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 type 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) ClearPets

func (m *UserMutation) ClearPets()

ClearPets clears the pets edge to Pet.

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) PetsCleared

func (m *UserMutation) PetsCleared() bool

PetsCleared returns if the edge pets was cleared.

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) FirstIDX

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

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

func (*UserQuery) FirstX

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

FirstX is like First, 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) ClearPets

func (uu *UserUpdate) ClearPets() *UserUpdate

ClearPets clears all "pets" edges to type 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) ClearPets

func (uuo *UserUpdateOne) ClearPets() *UserUpdateOne

ClearPets clears all "pets" edges to type 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.

Directories

Path Synopsis
enttest
hook
migrate
pet
predicate
runtime
schema
user