ent

package
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 Go to latest Published: Aug 5, 2022 License: Apache-2.0 Imports: 18 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.
	TypeCard = "Card"
	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 validation 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 Tx attached.

Types

type AggregateFunc 

type AggregateFunc func(*sql.Selector) string

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

func As 

func As(fn AggregateFunc, end string) AggregateFunc

As is a pseudo aggregation function for renaming another other functions with custom names. For example: 

GroupBy(field1, field2).
Aggregate(ent.As(ent.Sum(field1), "sum_field1"), (ent.As(ent.Sum(field2), "sum_field2")).
Scan(ctx, &v)

func Count 

func Count() AggregateFunc

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

func Max 

func Max(field string) AggregateFunc

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

func Mean 

func Mean(field string) AggregateFunc

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

func Min 

func Min(field string) AggregateFunc

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

func Sum 

func Sum(field string) AggregateFunc

Sum applies the "sum" aggregation function on the given field of each group.

type Card 

type Card struct {

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

Card is the model entity for the Card schema.

func (*Card) QueryOwner 

func (c *Card) QueryOwner() *UserQuery

QueryOwner queries the "owner" edge of the Card entity.

func (*Card) String 

func (c *Card) String() string

String implements the fmt.Stringer.

func (*Card) Unwrap 

func (c *Card) Unwrap() *Card

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

func (*Card) Update 

func (c *Card) Update() *CardUpdateOne

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

type CardClient 

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

CardClient is a client for the Card schema.

func NewCardClient 

func NewCardClient(c config) *CardClient

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

func (*CardClient) Create 

func (c *CardClient) Create() *CardCreate

Create returns a builder for creating a Card entity.

func (*CardClient) CreateBulk 

func (c *CardClient) CreateBulk(builders ...*CardCreate) *CardCreateBulk

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

func (*CardClient) Delete 

func (c *CardClient) Delete() *CardDelete

Delete returns a delete builder for Card.

func (*CardClient) DeleteOne 

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

DeleteOne returns a builder for deleting the given entity.

func (*CardClient) DeleteOneID 

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

DeleteOne returns a builder for deleting the given entity by its id.

func (*CardClient) Get 

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

Get returns a Card entity by its id.

func (*CardClient) GetX 

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

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

func (*CardClient) Hooks 

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

Hooks returns the client hooks.

func (*CardClient) Query 

func (c *CardClient) Query() *CardQuery

Query returns a query builder for Card.

func (*CardClient) QueryOwner 

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

QueryOwner queries the owner edge of a Card.

func (*CardClient) Update 

func (c *CardClient) Update() *CardUpdate

Update returns an update builder for Card.

func (*CardClient) UpdateOne 

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

UpdateOne returns an update builder for the given entity.

func (*CardClient) UpdateOneID 

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

UpdateOneID returns an update builder for the given id.

func (*CardClient) Use 

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

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

type CardCreate 

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

CardCreate is the builder for creating a Card entity.

func (*CardCreate) Exec added in v0.9.0 

func (cc *CardCreate) Exec(ctx context.Context) error

Exec executes the query.

func (*CardCreate) ExecX added in v0.9.0 

func (cc *CardCreate) ExecX(ctx context.Context)

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

func (*CardCreate) Mutation 

func (cc *CardCreate) Mutation() *CardMutation

Mutation returns the CardMutation object of the builder.

func (*CardCreate) Save 

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

Save creates the Card in the database.

func (*CardCreate) SaveX 

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

SaveX calls Save and panics if Save returns an error.

func (*CardCreate) SetExpired 

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

SetExpired sets the "expired" field.

func (*CardCreate) SetNumber 

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

SetNumber sets the "number" field.

func (*CardCreate) SetOwner 

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

SetOwner sets the "owner" edge to the User entity.

func (*CardCreate) SetOwnerID 

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

SetOwnerID sets the "owner" edge to the User entity by ID.

type CardCreateBulk 

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

CardCreateBulk is the builder for creating many Card entities in bulk.

func (*CardCreateBulk) Exec added in v0.9.0 

func (ccb *CardCreateBulk) Exec(ctx context.Context) error

Exec executes the query.

func (*CardCreateBulk) ExecX added in v0.9.0 

func (ccb *CardCreateBulk) ExecX(ctx context.Context)

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

func (*CardCreateBulk) Save 

func (ccb *CardCreateBulk) Save(ctx context.Context) ([]*Card, error)

Save creates the Card entities in the database.

func (*CardCreateBulk) SaveX 

func (ccb *CardCreateBulk) SaveX(ctx context.Context) []*Card

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

type CardDelete 

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

CardDelete is the builder for deleting a Card entity.

func (*CardDelete) Exec 

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

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

func (*CardDelete) ExecX 

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

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

func (*CardDelete) Where 

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

Where appends a list predicates to the CardDelete builder.

type CardDeleteOne 

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

CardDeleteOne is the builder for deleting a single Card entity.

func (*CardDeleteOne) Exec 

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

Exec executes the deletion query.

func (*CardDeleteOne) ExecX 

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

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

type CardEdges 

type CardEdges struct {
	// Owner holds the value of the owner edge.
	Owner *User `json:"owner,omitempty"`
	// contains filtered or unexported fields
}

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

func (CardEdges) OwnerOrErr 

func (e CardEdges) OwnerOrErr() (*User, error)

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

type CardGroupBy 

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

CardGroupBy is the group-by builder for Card entities.

func (*CardGroupBy) Aggregate 

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

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

func (*CardGroupBy) Bool 

func (s *CardGroupBy) Bool(ctx context.Context) (_ bool, err error)

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

func (*CardGroupBy) BoolX 

func (s *CardGroupBy) BoolX(ctx context.Context) bool

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

func (*CardGroupBy) Bools 

func (s *CardGroupBy) Bools(ctx context.Context) ([]bool, error)

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

func (*CardGroupBy) BoolsX 

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

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

func (*CardGroupBy) Float64 

func (s *CardGroupBy) Float64(ctx context.Context) (_ float64, err error)

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

func (*CardGroupBy) Float64X 

func (s *CardGroupBy) Float64X(ctx context.Context) float64

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

func (*CardGroupBy) Float64s 

func (s *CardGroupBy) Float64s(ctx context.Context) ([]float64, error)

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

func (*CardGroupBy) Float64sX 

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

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

func (*CardGroupBy) Int 

func (s *CardGroupBy) Int(ctx context.Context) (_ int, err error)

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

func (*CardGroupBy) IntX 

func (s *CardGroupBy) IntX(ctx context.Context) int

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

func (*CardGroupBy) Ints 

func (s *CardGroupBy) Ints(ctx context.Context) ([]int, error)

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

func (*CardGroupBy) IntsX 

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

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

func (*CardGroupBy) Scan 

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

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

func (*CardGroupBy) ScanX 

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

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

func (*CardGroupBy) String 

func (s *CardGroupBy) String(ctx context.Context) (_ string, err error)

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

func (*CardGroupBy) StringX 

func (s *CardGroupBy) StringX(ctx context.Context) string

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

func (*CardGroupBy) Strings 

func (s *CardGroupBy) Strings(ctx context.Context) ([]string, error)

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

func (*CardGroupBy) StringsX 

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

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

type CardMutation 

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

CardMutation represents an operation that mutates the Card nodes in the graph.

func (*CardMutation) AddField 

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

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

func (*CardMutation) AddedEdges 

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

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

func (*CardMutation) AddedField 

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

AddedField returns the numeric value that was incremented/decremented on a field with the given name. The second boolean return value indicates that this field was not set, or was not defined in the schema.

func (*CardMutation) AddedFields 

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

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

func (*CardMutation) AddedIDs 

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

AddedIDs returns all IDs (to other nodes) that were added for the given edge name in this mutation.

func (*CardMutation) ClearEdge 

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

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

func (*CardMutation) ClearField 

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

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

func (*CardMutation) ClearOwner 

func (m *CardMutation) ClearOwner()

ClearOwner clears the "owner" edge to the User entity.

func (*CardMutation) ClearedEdges 

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

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

func (*CardMutation) ClearedFields 

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

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

func (CardMutation) Client 

func (m CardMutation) 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 (*CardMutation) EdgeCleared 

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

EdgeCleared returns a boolean which indicates if the edge with the given name was cleared in this mutation.

func (*CardMutation) Expired 

func (m *CardMutation) Expired() (r time.Time, exists bool)

Expired returns the value of the "expired" field in the mutation.

func (*CardMutation) Field 

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

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

func (*CardMutation) FieldCleared 

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

FieldCleared returns a boolean indicating if a field with the given name was cleared in this mutation.

func (*CardMutation) Fields 

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

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

func (*CardMutation) ID 

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

ID returns the ID value in the mutation. Note that the ID is only available if it was provided to the builder or after it was returned from the database.

func (*CardMutation) IDs added in v0.10.0 

func (m *CardMutation) IDs(ctx context.Context) ([]int, error)

IDs queries the database and returns the entity ids that match the mutation's predicate. That means, if the mutation is applied within a transaction with an isolation level such as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated or updated by the mutation.

func (*CardMutation) Number 

func (m *CardMutation) Number() (r string, exists bool)

Number returns the value of the "number" field in the mutation.

func (*CardMutation) OldExpired 

func (m *CardMutation) OldExpired(ctx context.Context) (v time.Time, err error)

OldExpired returns the old "expired" field's value of the Card entity. If the Card 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 the database query fails.

func (*CardMutation) OldField 

func (m *CardMutation) 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 failed.

func (*CardMutation) OldNumber 

func (m *CardMutation) OldNumber(ctx context.Context) (v string, err error)

OldNumber returns the old "number" field's value of the Card entity. If the Card 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 the database query fails.

func (*CardMutation) Op 

func (m *CardMutation) Op() Op

Op returns the operation name.

func (*CardMutation) OwnerCleared 

func (m *CardMutation) OwnerCleared() bool

OwnerCleared reports if the "owner" edge to the User entity was cleared.

func (*CardMutation) OwnerID 

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

OwnerID returns the "owner" edge ID in the mutation.

func (*CardMutation) OwnerIDs 

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

OwnerIDs returns the "owner" edge 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 (*CardMutation) RemovedEdges 

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

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

func (*CardMutation) RemovedIDs 

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

RemovedIDs returns all IDs (to other nodes) that were removed for the edge with the given name in this mutation.

func (*CardMutation) ResetEdge 

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

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

func (*CardMutation) ResetExpired 

func (m *CardMutation) ResetExpired()

ResetExpired resets all changes to the "expired" field.

func (*CardMutation) ResetField 

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

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

func (*CardMutation) ResetNumber 

func (m *CardMutation) ResetNumber()

ResetNumber resets all changes to the "number" field.

func (*CardMutation) ResetOwner 

func (m *CardMutation) ResetOwner()

ResetOwner resets all changes to the "owner" edge.

func (*CardMutation) SetExpired 

func (m *CardMutation) SetExpired(t time.Time)

SetExpired sets the "expired" field.

func (*CardMutation) SetField 

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

SetField sets the value of a field with the given name. It returns an error if the field is not defined in the schema, or if the type mismatched the field type.

func (*CardMutation) SetNumber 

func (m *CardMutation) SetNumber(s string)

SetNumber sets the "number" field.

func (*CardMutation) SetOwnerID 

func (m *CardMutation) SetOwnerID(id int)

SetOwnerID sets the "owner" edge to the User entity by id.

func (CardMutation) Tx 

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

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

func (*CardMutation) Type 

func (m *CardMutation) Type() string

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

func (*CardMutation) Where added in v0.9.0 

func (m *CardMutation) Where(ps ...predicate.Card)

Where appends a list predicates to the CardMutation builder.

type CardQuery 

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

CardQuery is the builder for querying Card entities.

func (*CardQuery) All 

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

All executes the query and returns a list of Cards.

func (*CardQuery) AllX 

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

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

func (*CardQuery) Clone 

func (cq *CardQuery) Clone() *CardQuery

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

func (*CardQuery) Count 

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

Count returns the count of the given query.

func (*CardQuery) CountX 

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

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

func (*CardQuery) Exist 

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

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

func (*CardQuery) ExistX 

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

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

func (*CardQuery) First 

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

First returns the first Card entity from the query. Returns a *NotFoundError when no Card was found.

func (*CardQuery) FirstID 

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

FirstID returns the first Card ID from the query. Returns a *NotFoundError when no Card ID was found.

func (*CardQuery) FirstIDX 

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

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

func (*CardQuery) FirstX 

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

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

func (*CardQuery) GroupBy 

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

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

Example: 

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

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

func (*CardQuery) IDs 

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

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

func (*CardQuery) IDsX 

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

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

func (*CardQuery) Limit 

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

Limit adds a limit step to the query.

func (*CardQuery) Offset 

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

Offset adds an offset step to the query.

func (*CardQuery) Only 

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

Only returns a single Card entity found by the query, ensuring it only returns one. Returns a *NotSingularError when more than one Card entity is found. Returns a *NotFoundError when no Card entities are found.

func (*CardQuery) OnlyID 

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

OnlyID is like Only, but returns the only Card ID in the query. Returns a *NotSingularError when more than one Card ID is found. Returns a *NotFoundError when no entities are found.

func (*CardQuery) OnlyIDX 

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

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

func (*CardQuery) OnlyX 

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

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

func (*CardQuery) Order 

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

Order adds an order step to the query.

func (*CardQuery) QueryOwner 

func (cq *CardQuery) QueryOwner() *UserQuery

QueryOwner chains the current query on the "owner" edge.

func (*CardQuery) Select 

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

Select allows the selection one or more fields/columns for the given query, instead of selecting all fields in the entity.

Example: 

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

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

func (*CardQuery) Unique added in v0.8.0 

func (cq *CardQuery) Unique(unique bool) *CardQuery

Unique configures the query builder to filter duplicate records on query. By default, unique is set to true, and can be disabled using this method.

func (*CardQuery) Where 

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

Where adds a new predicate for the CardQuery builder.

func (*CardQuery) WithOwner 

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

WithOwner tells the query-builder to eager-load the nodes that are connected to the "owner" edge. The optional arguments are used to configure the query builder of the edge.

type CardSelect 

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

CardSelect is the builder for selecting fields of Card entities.

func (*CardSelect) Bool 

func (s *CardSelect) Bool(ctx context.Context) (_ bool, err error)

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

func (*CardSelect) BoolX 

func (s *CardSelect) BoolX(ctx context.Context) bool

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

func (*CardSelect) Bools 

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

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

func (*CardSelect) BoolsX 

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

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

func (*CardSelect) Float64 

func (s *CardSelect) Float64(ctx context.Context) (_ float64, err error)

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

func (*CardSelect) Float64X 

func (s *CardSelect) Float64X(ctx context.Context) float64

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

func (*CardSelect) Float64s 

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

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

func (*CardSelect) Float64sX 

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

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

func (*CardSelect) Int 

func (s *CardSelect) Int(ctx context.Context) (_ int, err error)

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

func (*CardSelect) IntX 

func (s *CardSelect) IntX(ctx context.Context) int

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

func (*CardSelect) Ints 

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

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

func (*CardSelect) IntsX 

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

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

func (*CardSelect) Scan 

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

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

func (*CardSelect) ScanX 

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

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

func (*CardSelect) String 

func (s *CardSelect) String(ctx context.Context) (_ string, err error)

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

func (*CardSelect) StringX 

func (s *CardSelect) StringX(ctx context.Context) string

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

func (*CardSelect) Strings 

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

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

func (*CardSelect) StringsX 

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

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

type CardUpdate 

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

CardUpdate is the builder for updating Card entities.

func (*CardUpdate) ClearOwner 

func (cu *CardUpdate) ClearOwner() *CardUpdate

ClearOwner clears the "owner" edge to the User entity.

func (*CardUpdate) Exec 

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

Exec executes the query.

func (*CardUpdate) ExecX 

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

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

func (*CardUpdate) Mutation 

func (cu *CardUpdate) Mutation() *CardMutation

Mutation returns the CardMutation object of the builder.

func (*CardUpdate) Save 

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

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

func (*CardUpdate) SaveX 

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

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

func (*CardUpdate) SetExpired 

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

SetExpired sets the "expired" field.

func (*CardUpdate) SetNumber 

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

SetNumber sets the "number" field.

func (*CardUpdate) SetOwner 

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

SetOwner sets the "owner" edge to the User entity.

func (*CardUpdate) SetOwnerID 

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

SetOwnerID sets the "owner" edge to the User entity by ID.

func (*CardUpdate) Where 

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

Where appends a list predicates to the CardUpdate builder.

type CardUpdateOne 

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

CardUpdateOne is the builder for updating a single Card entity.

func (*CardUpdateOne) ClearOwner 

func (cuo *CardUpdateOne) ClearOwner() *CardUpdateOne

ClearOwner clears the "owner" edge to the User entity.

func (*CardUpdateOne) Exec 

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

Exec executes the query on the entity.

func (*CardUpdateOne) ExecX 

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

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

func (*CardUpdateOne) Mutation 

func (cuo *CardUpdateOne) Mutation() *CardMutation

Mutation returns the CardMutation object of the builder.

func (*CardUpdateOne) Save 

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

Save executes the query and returns the updated Card entity.

func (*CardUpdateOne) SaveX 

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

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

func (*CardUpdateOne) Select added in v0.8.0 

func (cuo *CardUpdateOne) Select(field string, fields ...string) *CardUpdateOne

Select allows selecting one or more fields (columns) of the returned entity. The default is selecting all fields defined in the entity schema.

func (*CardUpdateOne) SetExpired 

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

SetExpired sets the "expired" field.

func (*CardUpdateOne) SetNumber 

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

SetNumber sets the "number" field.

func (*CardUpdateOne) SetOwner 

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

SetOwner sets the "owner" edge to the User entity.

func (*CardUpdateOne) SetOwnerID 

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

SetOwnerID sets the "owner" edge to the User entity by ID.

type Cards 

type Cards []*Card

Cards is a parsable slice of Card.

type Client 

type Client struct {

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

Client is the client that holds all ent builders.

func FromContext 

func FromContext(ctx context.Context) *Client

FromContext returns a Client stored inside 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 specified 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().
	Card.
	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(ctx 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 Commit 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 conflicts in user's code.

type MutateFunc 

type MutateFunc = ent.MutateFunc

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

type Mutation 

type Mutation = ent.Mutation

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

type Mutator 

type Mutator = ent.Mutator

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

type Option 

type Option func(*config)

Option function to configure the client.

func Debug 

func Debug() Option

Debug enables debug logging on the ent.Driver.

func Driver 

func Driver(driver dialect.Driver) Option

Driver configures the client driver.

func Log 

func Log(fn func(...interface{})) Option

Log sets the logging function for debug mode.

type OrderFunc 

type OrderFunc func(*sql.Selector)

OrderFunc applies an ordering on 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 conflicts in user's code.

type Query 

type Query = ent.Query

ent aliases to avoid import conflicts 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(ctx 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 Rollback method.

type Tx 

type Tx struct {

	// Card is the client for interacting with the Card builders.
	Card *CardClient
	// User is the client for interacting with the User builders.
	User *UserClient
	// contains filtered or unexported fields
}

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

func TxFromContext 

func TxFromContext(ctx context.Context) *Tx

TxFromContext returns a Tx stored inside 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) QueryCard 

func (u *User) QueryCard() *CardQuery

QueryCard queries the "card" edge of the User entity.

func (*User) String 

func (u *User) String() string

String implements the fmt.Stringer.

func (*User) Unwrap 

func (u *User) Unwrap() *User

Unwrap unwraps the User entity that was returned from a transaction after it was closed, so that all future 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 builder for creating a User entity.

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 builder for deleting the given entity.

func (*UserClient) DeleteOneID 

func (c *UserClient) DeleteOneID(id int) *UserDeleteOne

DeleteOne returns a builder for deleting the given entity by its 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) QueryCard 

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

QueryCard queries the card edge of a User.

func (*UserClient) Update 

func (c *UserClient) Update() *UserUpdate

Update returns an update builder for User.

func (*UserClient) UpdateOne 

func (c *UserClient) UpdateOne(u *User) *UserUpdateOne

UpdateOne returns an update builder for the given entity.

func (*UserClient) UpdateOneID 

func (c *UserClient) UpdateOneID(id int) *UserUpdateOne

UpdateOneID returns an update builder for the given id.

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) Exec added in v0.9.0 

func (uc *UserCreate) Exec(ctx context.Context) error

Exec executes the query.

func (*UserCreate) ExecX added in v0.9.0 

func (uc *UserCreate) ExecX(ctx context.Context)

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

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) SetCard 

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

SetCard sets the "card" edge to the Card entity.

func (*UserCreate) SetCardID 

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

SetCardID sets the "card" edge to the Card entity by ID.

func (*UserCreate) SetName 

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

SetName sets the "name" field.

func (*UserCreate) SetNillableCardID 

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

SetNillableCardID sets the "card" edge to the Card entity by ID if the given value is not nil.

type UserCreateBulk 

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

UserCreateBulk is the builder for creating many User entities in bulk.

func (*UserCreateBulk) Exec added in v0.9.0 

func (ucb *UserCreateBulk) Exec(ctx context.Context) error

Exec executes the query.

func (*UserCreateBulk) ExecX added in v0.9.0 

func (ucb *UserCreateBulk) ExecX(ctx context.Context)

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

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 is like Save, but panics if an error occurs.

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 appends a list predicates to the UserDelete builder.

type UserDeleteOne 

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

UserDeleteOne is the builder for deleting a single User entity.

func (*UserDeleteOne) Exec 

func (udo *UserDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*UserDeleteOne) ExecX 

func (udo *UserDeleteOne) ExecX(ctx context.Context)

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

type UserEdges 

type UserEdges struct {
	// Card holds the value of the card edge.
	Card *Card `json:"card,omitempty"`
	// contains filtered or unexported fields
}

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

func (UserEdges) CardOrErr 

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

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

type UserGroupBy 

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

UserGroupBy is the group-by builder for 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 (s *UserGroupBy) Bool(ctx context.Context) (_ bool, err error)

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

func (*UserGroupBy) BoolX 

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

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

func (*UserGroupBy) Bools 

func (s *UserGroupBy) Bools(ctx context.Context) ([]bool, error)

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

func (*UserGroupBy) BoolsX 

func (s *UserGroupBy) BoolsX(ctx context.Context) []bool

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

func (*UserGroupBy) Float64 

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

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

func (*UserGroupBy) Float64X 

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

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

func (*UserGroupBy) Float64s 

func (s *UserGroupBy) Float64s(ctx context.Context) ([]float64, error)

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

func (*UserGroupBy) Float64sX 

func (s *UserGroupBy) Float64sX(ctx context.Context) []float64

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

func (*UserGroupBy) Int 

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

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

func (*UserGroupBy) IntX 

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

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

func (*UserGroupBy) Ints 

func (s *UserGroupBy) Ints(ctx context.Context) ([]int, error)

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

func (*UserGroupBy) IntsX 

func (s *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 scans the result into the given value.

func (*UserGroupBy) ScanX 

func (s *UserGroupBy) ScanX(ctx context.Context, v interface{})

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

func (*UserGroupBy) String 

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

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

func (*UserGroupBy) StringX 

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

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

func (*UserGroupBy) Strings 

func (s *UserGroupBy) Strings(ctx context.Context) ([]string, error)

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

func (*UserGroupBy) StringsX 

func (s *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 mutates the User nodes in the graph.

func (*UserMutation) AddAge 

func (m *UserMutation) AddAge(i int)

AddAge adds i to the "age" field.

func (*UserMutation) AddField 

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

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

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 incremented/decremented on a field with the given name. The second boolean return value indicates that this field was not set, or was not defined in the schema.

func (*UserMutation) AddedFields 

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

AddedFields returns all numeric fields that were incremented/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 in this mutation.

func (*UserMutation) Age 

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

Age returns the value of the "age" field in the mutation.

func (*UserMutation) CardCleared 

func (m *UserMutation) CardCleared() bool

CardCleared reports if the "card" edge to the Card entity was cleared.

func (*UserMutation) CardID 

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

CardID returns the "card" edge ID in the mutation.

func (*UserMutation) CardIDs 

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

CardIDs returns the "card" edge IDs in the mutation. Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use CardID instead. It exists only for internal usage by the builders.

func (*UserMutation) ClearCard 

func (m *UserMutation) ClearCard()

ClearCard clears the "card" edge to the Card entity.

func (*UserMutation) ClearEdge 

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

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

func (*UserMutation) ClearField 

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

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

func (*UserMutation) ClearedEdges 

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

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

func (*UserMutation) ClearedFields 

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

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

func (UserMutation) Client 

func (m UserMutation) Client() *Client

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

func (*UserMutation) EdgeCleared 

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

EdgeCleared returns a boolean which indicates if the edge with the given name 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 return value indicates that this field was not set, or was not defined in the schema.

func (*UserMutation) FieldCleared 

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

FieldCleared returns a boolean indicating if a field with the given name 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 incremented/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 only available if it was provided to the builder or after it was returned from the database.

func (*UserMutation) IDs added in v0.10.0 

func (m *UserMutation) IDs(ctx context.Context) ([]int, error)

IDs queries the database and returns the entity ids that match the mutation's predicate. That means, if the mutation is applied within a transaction with an isolation level such as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated or updated by the mutation.

func (*UserMutation) Name 

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

Name returns the value of the "name" field in the mutation.

func (*UserMutation) OldAge 

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

OldAge returns the old "age" field's value of the User entity. 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 the 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 failed.

func (*UserMutation) OldName 

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

OldName returns the old "name" field's value of the User entity. 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 the 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 edge with the given name in this mutation.

func (*UserMutation) ResetAge 

func (m *UserMutation) ResetAge()

ResetAge resets all changes to the "age" field.

func (*UserMutation) ResetCard 

func (m *UserMutation) ResetCard()

ResetCard resets all changes to the "card" edge.

func (*UserMutation) ResetEdge 

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

ResetEdge resets all changes to the edge with the given name in this mutation. 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 for the field with the given name. It returns an error if the field is not defined in the schema.

func (*UserMutation) ResetName 

func (m *UserMutation) ResetName()

ResetName resets all changes to the "name" field.

func (*UserMutation) SetAge 

func (m *UserMutation) SetAge(i int)

SetAge sets the "age" field.

func (*UserMutation) SetCardID 

func (m *UserMutation) SetCardID(id int)

SetCardID sets the "card" edge to the Card entity by id.

func (*UserMutation) SetField 

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

SetField sets the value of a field with the given name. It returns an error if the field is not defined in the schema, or if the type mismatched 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).

func (*UserMutation) Where added in v0.9.0 

func (m *UserMutation) Where(ps ...predicate.User)

Where appends a list predicates to the UserMutation builder.

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 UserQuery 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 from the query. Returns a *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 from the query. Returns a *NotFoundError when no User 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 is 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 a single User entity found by the query, ensuring it only returns one. Returns a *NotSingularError when more than one User entity is found. Returns a *NotFoundError when no User entities are found.

func (*UserQuery) OnlyID 

func (uq *UserQuery) OnlyID(ctx context.Context) (id int, err error)

OnlyID is like Only, but returns the only User ID in the query. Returns a *NotSingularError when more than one User ID is found. Returns a *NotFoundError when no entities are found.

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) QueryCard 

func (uq *UserQuery) QueryCard() *CardQuery

QueryCard chains the current query on the "card" edge.

func (*UserQuery) Select 

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

Select allows the selection one or more fields/columns for the given query, instead of selecting all fields in the entity.

Example: 

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

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

func (*UserQuery) Unique added in v0.8.0 

func (uq *UserQuery) Unique(unique bool) *UserQuery

Unique configures the query builder to filter duplicate records on query. By default, unique is set to true, and can be disabled using this method.

func (*UserQuery) Where 

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

Where adds a new predicate for the UserQuery builder.

func (*UserQuery) WithCard 

func (uq *UserQuery) WithCard(opts ...func(*CardQuery)) *UserQuery

WithCard tells the query-builder to eager-load the nodes that are connected to the "card" edge. The optional arguments are used to configure the query builder of the edge.

type UserSelect 

type UserSelect struct {
	*UserQuery
	// contains filtered or unexported fields
}

UserSelect is the builder for selecting fields of User entities.

func (*UserSelect) Bool 

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

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

func (*UserSelect) BoolX 

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

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

func (*UserSelect) Bools 

func (s *UserSelect) Bools(ctx context.Context) ([]bool, error)

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

func (*UserSelect) BoolsX 

func (s *UserSelect) BoolsX(ctx context.Context) []bool

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

func (*UserSelect) Float64 

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

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

func (*UserSelect) Float64X 

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

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

func (*UserSelect) Float64s 

func (s *UserSelect) Float64s(ctx context.Context) ([]float64, error)

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

func (*UserSelect) Float64sX 

func (s *UserSelect) Float64sX(ctx context.Context) []float64

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

func (*UserSelect) Int 

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

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

func (*UserSelect) IntX 

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

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

func (*UserSelect) Ints 

func (s *UserSelect) Ints(ctx context.Context) ([]int, error)

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

func (*UserSelect) IntsX 

func (s *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 scans the result into the given value.

func (*UserSelect) ScanX 

func (s *UserSelect) ScanX(ctx context.Context, v interface{})

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

func (*UserSelect) String 

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

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

func (*UserSelect) StringX 

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

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

func (*UserSelect) Strings 

func (s *UserSelect) Strings(ctx context.Context) ([]string, error)

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

func (*UserSelect) StringsX 

func (s *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 the "age" field.

func (*UserUpdate) ClearCard 

func (uu *UserUpdate) ClearCard() *UserUpdate

ClearCard clears the "card" edge to the Card entity.

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 int) *UserUpdate

SetAge sets the "age" field.

func (*UserUpdate) SetCard 

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

SetCard sets the "card" edge to the Card entity.

func (*UserUpdate) SetCardID 

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

SetCardID sets the "card" edge to the Card entity by ID.

func (*UserUpdate) SetName 

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

SetName sets the "name" field.

func (*UserUpdate) SetNillableCardID 

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

SetNillableCardID sets the "card" edge to the Card entity by ID if the given value is not nil.

func (*UserUpdate) Where 

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

Where appends a list predicates to the UserUpdate 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 the "age" field.

func (*UserUpdateOne) ClearCard 

func (uuo *UserUpdateOne) ClearCard() *UserUpdateOne

ClearCard clears the "card" edge to the Card entity.

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 User entity.

func (*UserUpdateOne) SaveX 

func (uuo *UserUpdateOne) SaveX(ctx context.Context) *User

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

func (*UserUpdateOne) Select added in v0.8.0 

func (uuo *UserUpdateOne) Select(field string, fields ...string) *UserUpdateOne

Select allows selecting one or more fields (columns) of the returned entity. The default is selecting all fields defined in the entity schema.

func (*UserUpdateOne) SetAge 

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

SetAge sets the "age" field.

func (*UserUpdateOne) SetCard 

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

SetCard sets the "card" edge to the Card entity.

func (*UserUpdateOne) SetCardID 

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

SetCardID sets the "card" edge to the Card entity by ID.

func (*UserUpdateOne) SetName 

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

SetName sets the "name" field.

func (*UserUpdateOne) SetNillableCardID 

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

SetNillableCardID sets the "card" edge to the Card entity by ID 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 or edge 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 conflicts in user's code.

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