ent

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 Go to latest Published: Dec 28, 2020 License: Apache-2.0 Imports: 19 Imported by: 0

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Index

Constants

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

	// Node types.
	TypeCar   = "Car"
	TypeGroup = "Group"
	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 Car 

type Car struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// Model holds the value of the "model" field.
	Model string `json:"model,omitempty"`
	// RegisteredAt holds the value of the "registered_at" field.
	RegisteredAt time.Time `json:"registered_at,omitempty"`
	// contains filtered or unexported fields
}

Car is the model entity for the Car schema.

func (*Car) String 

func (c *Car) String() string

String implements the fmt.Stringer.

func (*Car) Unwrap 

func (c *Car) Unwrap() *Car

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

func (*Car) Update 

func (c *Car) Update() *CarUpdateOne

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

type CarClient 

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

CarClient is a client for the Car schema.

func NewCarClient 

func NewCarClient(c config) *CarClient

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

func (*CarClient) Create 

func (c *CarClient) Create() *CarCreate

Create returns a create builder for Car.

func (*CarClient) CreateBulk 

func (c *CarClient) CreateBulk(builders ...*CarCreate) *CarCreateBulk

CreateBulk returns a builder for creating a bulk of Car entities.

func (*CarClient) Delete 

func (c *CarClient) Delete() *CarDelete

Delete returns a delete builder for Car.

func (*CarClient) DeleteOne 

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

DeleteOne returns a delete builder for the given entity.

func (*CarClient) DeleteOneID 

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

DeleteOneID returns a delete builder for the given id.

func (*CarClient) Get 

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

Get returns a Car entity by its id.

func (*CarClient) GetX 

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

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

func (*CarClient) Hooks 

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

Hooks returns the client hooks.

func (*CarClient) Query 

func (c *CarClient) Query() *CarQuery

Query returns a query builder for Car.

func (*CarClient) Update 

func (c *CarClient) Update() *CarUpdate

Update returns an update builder for Car.

func (*CarClient) UpdateOne 

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

UpdateOne returns an update builder for the given entity.

func (*CarClient) UpdateOneID 

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

UpdateOneID returns an update builder for the given id.

func (*CarClient) Use 

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

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

type CarCreate 

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

CarCreate is the builder for creating a Car entity.

func (*CarCreate) Mutation 

func (cc *CarCreate) Mutation() *CarMutation

Mutation returns the CarMutation object of the builder.

func (*CarCreate) Save 

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

Save creates the Car in the database.

func (*CarCreate) SaveX 

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

SaveX calls Save and panics if Save returns an error.

func (*CarCreate) SetModel 

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

SetModel sets the model field.

func (*CarCreate) SetRegisteredAt 

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

SetRegisteredAt sets the registered_at field.

type CarCreateBulk 

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

CarCreateBulk is the builder for creating a bulk of Car entities.

func (*CarCreateBulk) Save 

func (ccb *CarCreateBulk) Save(ctx context.Context) ([]*Car, error)

Save creates the Car entities in the database.

func (*CarCreateBulk) SaveX 

func (ccb *CarCreateBulk) SaveX(ctx context.Context) []*Car

SaveX calls Save and panics if Save returns an error.

type CarDelete 

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

CarDelete is the builder for deleting a Car entity.

func (*CarDelete) Exec 

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

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

func (*CarDelete) ExecX 

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

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

func (*CarDelete) Where 

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

Where adds a new predicate to the delete builder.

type CarDeleteOne 

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

CarDeleteOne is the builder for deleting a single Car entity.

func (*CarDeleteOne) Exec 

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

Exec executes the deletion query.

func (*CarDeleteOne) ExecX 

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

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

type CarGroupBy 

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

CarGroupBy is the builder for group-by Car entities.

func (*CarGroupBy) Aggregate 

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

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

func (*CarGroupBy) Bool 

func (cgb *CarGroupBy) 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 (*CarGroupBy) BoolX 

func (cgb *CarGroupBy) BoolX(ctx context.Context) bool

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

func (*CarGroupBy) Bools 

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

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

func (*CarGroupBy) BoolsX 

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

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

func (*CarGroupBy) Float64 

func (cgb *CarGroupBy) 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 (*CarGroupBy) Float64X 

func (cgb *CarGroupBy) Float64X(ctx context.Context) float64

Float64X is like Float64, but panics if an error occurs.

func (*CarGroupBy) Float64s 

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

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

func (*CarGroupBy) Float64sX 

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

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

func (*CarGroupBy) Int 

func (cgb *CarGroupBy) 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 (*CarGroupBy) IntX 

func (cgb *CarGroupBy) IntX(ctx context.Context) int

IntX is like Int, but panics if an error occurs.

func (*CarGroupBy) Ints 

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

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

func (*CarGroupBy) IntsX 

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

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

func (*CarGroupBy) Scan 

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

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

func (*CarGroupBy) ScanX 

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

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

func (*CarGroupBy) String 

func (cgb *CarGroupBy) 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 (*CarGroupBy) StringX 

func (cgb *CarGroupBy) StringX(ctx context.Context) string

StringX is like String, but panics if an error occurs.

func (*CarGroupBy) Strings 

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

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

func (*CarGroupBy) StringsX 

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

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

type CarMutation 

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

CarMutation represents an operation that mutate the Cars nodes in the graph.

func (*CarMutation) AddField 

func (m *CarMutation) 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 (*CarMutation) AddedEdges 

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

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

func (*CarMutation) AddedField 

func (m *CarMutation) 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 (*CarMutation) AddedFields 

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

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

func (*CarMutation) AddedIDs 

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

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

func (*CarMutation) ClearEdge 

func (m *CarMutation) 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 (*CarMutation) ClearField 

func (m *CarMutation) 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 (*CarMutation) ClearedEdges 

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

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

func (*CarMutation) ClearedFields 

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

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

func (CarMutation) Client 

func (m CarMutation) 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 (*CarMutation) EdgeCleared 

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

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

func (*CarMutation) Field 

func (m *CarMutation) 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 (*CarMutation) FieldCleared 

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

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

func (*CarMutation) Fields 

func (m *CarMutation) 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 (*CarMutation) ID 

func (m *CarMutation) 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 (*CarMutation) Model 

func (m *CarMutation) Model() (r string, exists bool)

Model returns the model value in the mutation.

func (*CarMutation) OldField 

func (m *CarMutation) 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 (*CarMutation) OldModel 

func (m *CarMutation) OldModel(ctx context.Context) (v string, err error)

OldModel returns the old model value of the Car. If the Car 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 (*CarMutation) OldRegisteredAt 

func (m *CarMutation) OldRegisteredAt(ctx context.Context) (v time.Time, err error)

OldRegisteredAt returns the old registered_at value of the Car. If the Car 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 (*CarMutation) Op 

func (m *CarMutation) Op() Op

Op returns the operation name.

func (*CarMutation) RegisteredAt 

func (m *CarMutation) RegisteredAt() (r time.Time, exists bool)

RegisteredAt returns the registered_at value in the mutation.

func (*CarMutation) RemovedEdges 

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

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

func (*CarMutation) RemovedIDs 

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

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

func (*CarMutation) ResetEdge 

func (m *CarMutation) 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 (*CarMutation) ResetField 

func (m *CarMutation) 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 (*CarMutation) ResetModel 

func (m *CarMutation) ResetModel()

ResetModel reset all changes of the "model" field.

func (*CarMutation) ResetRegisteredAt 

func (m *CarMutation) ResetRegisteredAt()

ResetRegisteredAt reset all changes of the "registered_at" field.

func (*CarMutation) SetField 

func (m *CarMutation) 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 (*CarMutation) SetModel 

func (m *CarMutation) SetModel(s string)

SetModel sets the model field.

func (*CarMutation) SetRegisteredAt 

func (m *CarMutation) SetRegisteredAt(t time.Time)

SetRegisteredAt sets the registered_at field.

func (CarMutation) Tx 

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

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

func (*CarMutation) Type 

func (m *CarMutation) Type() string

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

type CarQuery 

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

CarQuery is the builder for querying Car entities.

func (*CarQuery) All 

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

All executes the query and returns a list of Cars.

func (*CarQuery) AllX 

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

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

func (*CarQuery) Clone 

func (cq *CarQuery) Clone() *CarQuery

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

func (*CarQuery) Count 

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

Count returns the count of the given query.

func (*CarQuery) CountX 

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

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

func (*CarQuery) Exist 

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

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

func (*CarQuery) ExistX 

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

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

func (*CarQuery) First 

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

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

func (*CarQuery) FirstID 

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

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

func (*CarQuery) FirstIDX 

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

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

func (*CarQuery) FirstX 

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

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

func (*CarQuery) GroupBy 

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

GroupBy used to group vertices by one or more fields/columns. It is often used with aggregate functions, like: count, max, mean, min, sum.

Example: 

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

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

func (*CarQuery) IDs 

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

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

func (*CarQuery) IDsX 

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

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

func (*CarQuery) Limit 

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

Limit adds a limit step to the query.

func (*CarQuery) Offset 

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

Offset adds an offset step to the query.

func (*CarQuery) Only 

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

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

func (*CarQuery) OnlyID 

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

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

func (*CarQuery) OnlyIDX 

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

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

func (*CarQuery) OnlyX 

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

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

func (*CarQuery) Order 

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

Order adds an order step to the query.

func (*CarQuery) Select 

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

Select one or more fields from the given query.

Example: 

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

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

func (*CarQuery) Where 

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

Where adds a new predicate for the builder.

type CarSelect 

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

CarSelect is the builder for select fields of Car entities.

func (*CarSelect) Bool 

func (cs *CarSelect) Bool(ctx context.Context) (_ bool, err error)

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

func (*CarSelect) BoolX 

func (cs *CarSelect) BoolX(ctx context.Context) bool

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

func (*CarSelect) Bools 

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

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

func (*CarSelect) BoolsX 

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

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

func (*CarSelect) Float64 

func (cs *CarSelect) Float64(ctx context.Context) (_ float64, err error)

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

func (*CarSelect) Float64X 

func (cs *CarSelect) Float64X(ctx context.Context) float64

Float64X is like Float64, but panics if an error occurs.

func (*CarSelect) Float64s 

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

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

func (*CarSelect) Float64sX 

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

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

func (*CarSelect) Int 

func (cs *CarSelect) Int(ctx context.Context) (_ int, err error)

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

func (*CarSelect) IntX 

func (cs *CarSelect) IntX(ctx context.Context) int

IntX is like Int, but panics if an error occurs.

func (*CarSelect) Ints 

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

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

func (*CarSelect) IntsX 

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

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

func (*CarSelect) Scan 

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

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

func (*CarSelect) ScanX 

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

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

func (*CarSelect) String 

func (cs *CarSelect) String(ctx context.Context) (_ string, err error)

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

func (*CarSelect) StringX 

func (cs *CarSelect) StringX(ctx context.Context) string

StringX is like String, but panics if an error occurs.

func (*CarSelect) Strings 

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

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

func (*CarSelect) StringsX 

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

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

type CarUpdate 

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

CarUpdate is the builder for updating Car entities.

func (*CarUpdate) Exec 

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

Exec executes the query.

func (*CarUpdate) ExecX 

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

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

func (*CarUpdate) Mutation 

func (cu *CarUpdate) Mutation() *CarMutation

Mutation returns the CarMutation object of the builder.

func (*CarUpdate) Save 

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

Save executes the query and returns the number of nodes affected by the update operation.

func (*CarUpdate) SaveX 

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

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

func (*CarUpdate) SetModel 

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

SetModel sets the model field.

func (*CarUpdate) SetRegisteredAt 

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

SetRegisteredAt sets the registered_at field.

func (*CarUpdate) Where 

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

Where adds a new predicate for the builder.

type CarUpdateOne 

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

CarUpdateOne is the builder for updating a single Car entity.

func (*CarUpdateOne) Exec 

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

Exec executes the query on the entity.

func (*CarUpdateOne) ExecX 

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

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

func (*CarUpdateOne) Mutation 

func (cuo *CarUpdateOne) Mutation() *CarMutation

Mutation returns the CarMutation object of the builder.

func (*CarUpdateOne) Save 

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

Save executes the query and returns the updated entity.

func (*CarUpdateOne) SaveX 

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

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

func (*CarUpdateOne) SetModel 

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

SetModel sets the model field.

func (*CarUpdateOne) SetRegisteredAt 

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

SetRegisteredAt sets the registered_at field.

type Cars 

type Cars []*Car

Cars is a parsable slice of Car.

type Client 

type Client struct {

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

Client is the client that holds all ent builders.

func FromContext 

func FromContext(ctx context.Context) *Client

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

func NewClient 

func NewClient(opts ...Option) *Client

NewClient creates a new client configured with the given options.

func Open 

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

Open opens a 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().
	Car.
	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 Group 

type Group struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// Name holds the value of the "name" field.
	Name string `json:"name,omitempty"`
	// contains filtered or unexported fields
}

Group is the model entity for the Group schema.

func (*Group) String 

func (gr *Group) String() string

String implements the fmt.Stringer.

func (*Group) Unwrap 

func (gr *Group) Unwrap() *Group

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

func (*Group) Update 

func (gr *Group) Update() *GroupUpdateOne

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

type GroupClient 

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

GroupClient is a client for the Group schema.

func NewGroupClient 

func NewGroupClient(c config) *GroupClient

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

func (*GroupClient) Create 

func (c *GroupClient) Create() *GroupCreate

Create returns a create builder for Group.

func (*GroupClient) CreateBulk 

func (c *GroupClient) CreateBulk(builders ...*GroupCreate) *GroupCreateBulk

CreateBulk returns a builder for creating a bulk of Group entities.

func (*GroupClient) Delete 

func (c *GroupClient) Delete() *GroupDelete

Delete returns a delete builder for Group.

func (*GroupClient) DeleteOne 

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

DeleteOne returns a delete builder for the given entity.

func (*GroupClient) DeleteOneID 

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

DeleteOneID returns a delete builder for the given id.

func (*GroupClient) Get 

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

Get returns a Group entity by its id.

func (*GroupClient) GetX 

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

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

func (*GroupClient) Hooks 

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

Hooks returns the client hooks.

func (*GroupClient) Query 

func (c *GroupClient) Query() *GroupQuery

Query returns a query builder for Group.

func (*GroupClient) Update 

func (c *GroupClient) Update() *GroupUpdate

Update returns an update builder for Group.

func (*GroupClient) UpdateOne 

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

UpdateOne returns an update builder for the given entity.

func (*GroupClient) UpdateOneID 

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

UpdateOneID returns an update builder for the given id.

func (*GroupClient) Use 

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

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

type GroupCreate 

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

GroupCreate is the builder for creating a Group entity.

func (*GroupCreate) Mutation 

func (gc *GroupCreate) Mutation() *GroupMutation

Mutation returns the GroupMutation object of the builder.

func (*GroupCreate) Save 

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

Save creates the Group in the database.

func (*GroupCreate) SaveX 

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

SaveX calls Save and panics if Save returns an error.

func (*GroupCreate) SetName 

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

SetName sets the name field.

type GroupCreateBulk 

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

GroupCreateBulk is the builder for creating a bulk of Group entities.

func (*GroupCreateBulk) Save 

func (gcb *GroupCreateBulk) Save(ctx context.Context) ([]*Group, error)

Save creates the Group entities in the database.

func (*GroupCreateBulk) SaveX 

func (gcb *GroupCreateBulk) SaveX(ctx context.Context) []*Group

SaveX calls Save and panics if Save returns an error.

type GroupDelete 

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

GroupDelete is the builder for deleting a Group entity.

func (*GroupDelete) Exec 

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

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

func (*GroupDelete) ExecX 

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

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

func (*GroupDelete) Where 

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

Where adds a new predicate to the delete builder.

type GroupDeleteOne 

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

GroupDeleteOne is the builder for deleting a single Group entity.

func (*GroupDeleteOne) Exec 

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

Exec executes the deletion query.

func (*GroupDeleteOne) ExecX 

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

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

type GroupGroupBy 

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

GroupGroupBy is the builder for group-by Group entities.

func (*GroupGroupBy) Aggregate 

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

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

func (*GroupGroupBy) Bool 

func (ggb *GroupGroupBy) 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 (*GroupGroupBy) BoolX 

func (ggb *GroupGroupBy) BoolX(ctx context.Context) bool

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

func (*GroupGroupBy) Bools 

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

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

func (*GroupGroupBy) BoolsX 

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

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

func (*GroupGroupBy) Float64 

func (ggb *GroupGroupBy) 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 (*GroupGroupBy) Float64X 

func (ggb *GroupGroupBy) Float64X(ctx context.Context) float64

Float64X is like Float64, but panics if an error occurs.

func (*GroupGroupBy) Float64s 

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

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

func (*GroupGroupBy) Float64sX 

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

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

func (*GroupGroupBy) Int 

func (ggb *GroupGroupBy) 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 (*GroupGroupBy) IntX 

func (ggb *GroupGroupBy) IntX(ctx context.Context) int

IntX is like Int, but panics if an error occurs.

func (*GroupGroupBy) Ints 

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

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

func (*GroupGroupBy) IntsX 

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

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

func (*GroupGroupBy) Scan 

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

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

func (*GroupGroupBy) ScanX 

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

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

func (*GroupGroupBy) String 

func (ggb *GroupGroupBy) 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 (*GroupGroupBy) StringX 

func (ggb *GroupGroupBy) StringX(ctx context.Context) string

StringX is like String, but panics if an error occurs.

func (*GroupGroupBy) Strings 

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

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

func (*GroupGroupBy) StringsX 

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

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

type GroupMutation 

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

GroupMutation represents an operation that mutate the Groups nodes in the graph.

func (*GroupMutation) AddField 

func (m *GroupMutation) 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 (*GroupMutation) AddedEdges 

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

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

func (*GroupMutation) AddedField 

func (m *GroupMutation) 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 (*GroupMutation) AddedFields 

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

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

func (*GroupMutation) AddedIDs 

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

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

func (*GroupMutation) ClearEdge 

func (m *GroupMutation) 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 (*GroupMutation) ClearField 

func (m *GroupMutation) 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 (*GroupMutation) ClearedEdges 

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

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

func (*GroupMutation) ClearedFields 

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

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

func (GroupMutation) Client 

func (m GroupMutation) 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 (*GroupMutation) EdgeCleared 

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

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

func (*GroupMutation) Field 

func (m *GroupMutation) 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 (*GroupMutation) FieldCleared 

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

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

func (*GroupMutation) Fields 

func (m *GroupMutation) 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 (*GroupMutation) ID 

func (m *GroupMutation) 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 (*GroupMutation) Name 

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

Name returns the name value in the mutation.

func (*GroupMutation) OldField 

func (m *GroupMutation) 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 (*GroupMutation) OldName 

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

OldName returns the old name value of the Group. If the Group 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 (*GroupMutation) Op 

func (m *GroupMutation) Op() Op

Op returns the operation name.

func (*GroupMutation) RemovedEdges 

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

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

func (*GroupMutation) RemovedIDs 

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

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

func (*GroupMutation) ResetEdge 

func (m *GroupMutation) 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 (*GroupMutation) ResetField 

func (m *GroupMutation) 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 (*GroupMutation) ResetName 

func (m *GroupMutation) ResetName()

ResetName reset all changes of the "name" field.

func (*GroupMutation) SetField 

func (m *GroupMutation) 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 (*GroupMutation) SetName 

func (m *GroupMutation) SetName(s string)

SetName sets the name field.

func (GroupMutation) Tx 

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

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

func (*GroupMutation) Type 

func (m *GroupMutation) Type() string

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

type GroupQuery 

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

GroupQuery is the builder for querying Group entities.

func (*GroupQuery) All 

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

All executes the query and returns a list of Groups.

func (*GroupQuery) AllX 

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

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

func (*GroupQuery) Clone 

func (gq *GroupQuery) Clone() *GroupQuery

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

func (*GroupQuery) Count 

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

Count returns the count of the given query.

func (*GroupQuery) CountX 

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

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

func (*GroupQuery) Exist 

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

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

func (*GroupQuery) ExistX 

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

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

func (*GroupQuery) First 

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

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

func (*GroupQuery) FirstID 

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

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

func (*GroupQuery) FirstIDX 

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

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

func (*GroupQuery) FirstX 

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

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

func (*GroupQuery) GroupBy 

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

GroupBy used to group vertices by one or more fields/columns. It is often used with aggregate functions, like: count, max, mean, min, sum.

Example: 

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

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

func (*GroupQuery) IDs 

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

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

func (*GroupQuery) IDsX 

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

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

func (*GroupQuery) Limit 

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

Limit adds a limit step to the query.

func (*GroupQuery) Offset 

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

Offset adds an offset step to the query.

func (*GroupQuery) Only 

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

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

func (*GroupQuery) OnlyID 

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

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

func (*GroupQuery) OnlyIDX 

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

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

func (*GroupQuery) OnlyX 

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

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

func (*GroupQuery) Order 

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

Order adds an order step to the query.

func (*GroupQuery) Select 

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

Select one or more fields from the given query.

Example: 

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

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

func (*GroupQuery) Where 

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

Where adds a new predicate for the builder.

type GroupSelect 

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

GroupSelect is the builder for select fields of Group entities.

func (*GroupSelect) Bool 

func (gs *GroupSelect) Bool(ctx context.Context) (_ bool, err error)

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

func (*GroupSelect) BoolX 

func (gs *GroupSelect) BoolX(ctx context.Context) bool

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

func (*GroupSelect) Bools 

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

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

func (*GroupSelect) BoolsX 

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

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

func (*GroupSelect) Float64 

func (gs *GroupSelect) Float64(ctx context.Context) (_ float64, err error)

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

func (*GroupSelect) Float64X 

func (gs *GroupSelect) Float64X(ctx context.Context) float64

Float64X is like Float64, but panics if an error occurs.

func (*GroupSelect) Float64s 

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

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

func (*GroupSelect) Float64sX 

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

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

func (*GroupSelect) Int 

func (gs *GroupSelect) Int(ctx context.Context) (_ int, err error)

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

func (*GroupSelect) IntX 

func (gs *GroupSelect) IntX(ctx context.Context) int

IntX is like Int, but panics if an error occurs.

func (*GroupSelect) Ints 

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

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

func (*GroupSelect) IntsX 

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

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

func (*GroupSelect) Scan 

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

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

func (*GroupSelect) ScanX 

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

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

func (*GroupSelect) String 

func (gs *GroupSelect) String(ctx context.Context) (_ string, err error)

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

func (*GroupSelect) StringX 

func (gs *GroupSelect) StringX(ctx context.Context) string

StringX is like String, but panics if an error occurs.

func (*GroupSelect) Strings 

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

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

func (*GroupSelect) StringsX 

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

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

type GroupUpdate 

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

GroupUpdate is the builder for updating Group entities.

func (*GroupUpdate) Exec 

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

Exec executes the query.

func (*GroupUpdate) ExecX 

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

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

func (*GroupUpdate) Mutation 

func (gu *GroupUpdate) Mutation() *GroupMutation

Mutation returns the GroupMutation object of the builder.

func (*GroupUpdate) Save 

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

Save executes the query and returns the number of nodes affected by the update operation.

func (*GroupUpdate) SaveX 

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

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

func (*GroupUpdate) SetName 

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

SetName sets the name field.

func (*GroupUpdate) Where 

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

Where adds a new predicate for the builder.

type GroupUpdateOne 

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

GroupUpdateOne is the builder for updating a single Group entity.

func (*GroupUpdateOne) Exec 

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

Exec executes the query on the entity.

func (*GroupUpdateOne) ExecX 

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

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

func (*GroupUpdateOne) Mutation 

func (guo *GroupUpdateOne) Mutation() *GroupMutation

Mutation returns the GroupMutation object of the builder.

func (*GroupUpdateOne) Save 

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

Save executes the query and returns the updated entity.

func (*GroupUpdateOne) SaveX 

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

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

func (*GroupUpdateOne) SetName 

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

SetName sets the name field.

type Groups 

type Groups []*Group

Groups is a parsable slice of Group.

type 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 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 {

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

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

func 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"`
	// CreateTime holds the value of the "create_time" field.
	CreateTime time.Time `json:"create_time,omitempty"`
	// UpdateTime holds the value of the "update_time" field.
	UpdateTime time.Time `json:"update_time,omitempty"`
	// Name holds the value of the "name" field.
	Name string `json:"name,omitempty"`
	// Age holds the value of the "age" field.
	Age int64 `json:"age,omitempty"`
	// contains filtered or unexported fields
}

User is the model entity for the User schema.

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

CreateBulk 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) 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) 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 int64) *UserCreate

SetAge sets the age field.

func (*UserCreate) SetCreateTime 

func (uc *UserCreate) SetCreateTime(t time.Time) *UserCreate

SetCreateTime sets the create_time field.

func (*UserCreate) SetName 

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

SetName sets the name field.

func (*UserCreate) SetNillableAge 

func (uc *UserCreate) SetNillableAge(i *int64) *UserCreate

SetNillableAge sets the age field if the given value is not nil.

func (*UserCreate) SetNillableCreateTime 

func (uc *UserCreate) SetNillableCreateTime(t *time.Time) *UserCreate

SetNillableCreateTime sets the create_time field if the given value is not nil.

func (*UserCreate) SetNillableName 

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

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

func (*UserCreate) SetNillableUpdateTime 

func (uc *UserCreate) SetNillableUpdateTime(t *time.Time) *UserCreate

SetNillableUpdateTime sets the update_time field if the given value is not nil.

func (*UserCreate) SetUpdateTime 

func (uc *UserCreate) SetUpdateTime(t time.Time) *UserCreate

SetUpdateTime sets the update_time 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 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 int64)

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) AddedAge 

func (m *UserMutation) AddedAge() (r int64, 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 int64, exists bool)

Age returns the age value in the mutation.

func (*UserMutation) AgeCleared 

func (m *UserMutation) AgeCleared() bool

AgeCleared returns if the field age was cleared in this mutation.

func (*UserMutation) ClearAge 

func (m *UserMutation) ClearAge()

ClearAge clears the value of age.

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) CreateTime 

func (m *UserMutation) CreateTime() (r time.Time, exists bool)

CreateTime returns the create_time value in the mutation.

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 int64, 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) OldCreateTime 

func (m *UserMutation) OldCreateTime(ctx context.Context) (v time.Time, err error)

OldCreateTime returns the old create_time 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) OldUpdateTime 

func (m *UserMutation) OldUpdateTime(ctx context.Context) (v time.Time, err error)

OldUpdateTime returns the old update_time 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) 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) ResetAge 

func (m *UserMutation) ResetAge()

ResetAge reset all changes of the "age" field.

func (*UserMutation) ResetCreateTime 

func (m *UserMutation) ResetCreateTime()

ResetCreateTime reset all changes of the "create_time" 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) ResetUpdateTime 

func (m *UserMutation) ResetUpdateTime()

ResetUpdateTime reset all changes of the "update_time" field.

func (*UserMutation) SetAge 

func (m *UserMutation) SetAge(i int64)

SetAge sets the age field.

func (*UserMutation) SetCreateTime 

func (m *UserMutation) SetCreateTime(t time.Time)

SetCreateTime sets the create_time 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) SetUpdateTime 

func (m *UserMutation) SetUpdateTime(t time.Time)

SetUpdateTime sets the update_time 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).

func (*UserMutation) UpdateTime 

func (m *UserMutation) UpdateTime() (r time.Time, exists bool)

UpdateTime returns the update_time value in the mutation.

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 {
	CreateTime time.Time `json:"create_time,omitempty"`
	Count int `json:"count,omitempty"`
}

client.User.Query().
	GroupBy(user.FieldCreateTime).
	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) Select 

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

Select one or more fields from the given query.

Example: 

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

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

func (*UserQuery) Where 

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

Where adds a new predicate for the builder.

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 int64) *UserUpdate

AddAge adds i to age.

func (*UserUpdate) ClearAge 

func (uu *UserUpdate) ClearAge() *UserUpdate

ClearAge clears the value of age.

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) Save 

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

Save executes the query and returns the number of nodes affected by the update 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 int64) *UserUpdate

SetAge sets the age field.

func (*UserUpdate) SetName 

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

SetName sets the name field.

func (*UserUpdate) SetNillableAge 

func (uu *UserUpdate) SetNillableAge(i *int64) *UserUpdate

SetNillableAge sets the age field if the given value is not nil.

func (*UserUpdate) SetNillableName 

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

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

func (*UserUpdate) Where 

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

Where adds a new predicate for the builder.

type UserUpdateOne 

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

UserUpdateOne is the builder for updating a single User entity.

func (*UserUpdateOne) AddAge 

func (uuo *UserUpdateOne) AddAge(i int64) *UserUpdateOne

AddAge adds i to age.

func (*UserUpdateOne) ClearAge 

func (uuo *UserUpdateOne) ClearAge() *UserUpdateOne

ClearAge clears the value of age.

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) 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 int64) *UserUpdateOne

SetAge sets the age field.

func (*UserUpdateOne) SetName 

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

SetName sets the name field.

func (*UserUpdateOne) SetNillableAge 

func (uuo *UserUpdateOne) SetNillableAge(i *int64) *UserUpdateOne

SetNillableAge sets the age field if the given value is not nil.

func (*UserUpdateOne) SetNillableName 

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

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

type Users 

type Users []*User

Users is a parsable slice of User.

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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