ent

package
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 Go to latest Published: May 8, 2020 License: MIT Imports: 17 Imported by: 0

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Index

Constants

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

	// Node types.
	TypeManufacturer = "Manufacturer"
	TypeModel        = "Model"
)

Variables

This section is empty.

Functions

func IsConstraintError 

func IsConstraintError(err error) bool

IsConstraintError returns a boolean indicating whether the error is a constraint failure.

func IsNotFound 

func IsNotFound(err error) bool

IsNotFound returns a boolean indicating whether the error is a not found error.

func IsNotLoaded 

func IsNotLoaded(err error) bool

IsNotLoaded returns a boolean indicating whether the error is a not loaded error.

func IsNotSingular 

func IsNotSingular(err error) bool

IsNotSingular returns a boolean indicating whether the error is a not singular error.

func MaskNotFound 

func MaskNotFound(err error) error

MaskNotFound masks nor found error.

func NewContext 

func NewContext(parent context.Context, c *Client) context.Context

NewContext returns a new context with the given Client attached.

func NewTxContext 

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

NewTxContext returns a new context with the given Client attached.

Types

type Aggregate 

type Aggregate func(*sql.Selector) string

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

func As 

func As(fn Aggregate, end string) Aggregate

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

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

func Count 

func Count() Aggregate

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

func Max 

func Max(field string) Aggregate

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

func Mean 

func Mean(field string) Aggregate

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

func Min 

func Min(field string) Aggregate

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

func Sum 

func Sum(field string) Aggregate

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

type Client 

type Client struct {

	// Schema is the client for creating, migrating and dropping schema.
	Schema *migrate.Schema
	// Manufacturer is the client for interacting with the Manufacturer builders.
	Manufacturer *ManufacturerClient
	// Model is the client for interacting with the Model builders.
	Model *ModelClient
	// contains filtered or unexported fields
}

Client is the client that holds all ent builders.

func FromContext 

func FromContext(ctx context.Context) *Client

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

func NewClient 

func NewClient(opts ...Option) *Client

NewClient creates a new client configured with the given options.

func Open 

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

Open opens a connection to the database specified by the driver name and a driver-specific data source name, and returns a new client attached to it. Optional parameters can be added for configuring the client.

func (*Client) 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().
	Manufacturer.
	Query().
	Count(ctx)

func (*Client) Tx 

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

Tx returns a new transactional client.

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 ConstraintError 

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

ConstraintError returns when trying to create/update one or more entities and one or more of their constraints failed. For example, violation of edge or field uniqueness.

func (ConstraintError) Error 

func (e ConstraintError) Error() string

Error implements the error interface.

func (*ConstraintError) Unwrap 

func (e *ConstraintError) Unwrap() error

Unwrap implements the errors.Wrapper interface.

type Hook 

type Hook = ent.Hook

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

type Manufacturer 

type Manufacturer 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
}

Manufacturer is the model entity for the Manufacturer schema.

func (*Manufacturer) String 

func (m *Manufacturer) String() string

String implements the fmt.Stringer.

func (*Manufacturer) Unwrap 

func (m *Manufacturer) Unwrap() *Manufacturer

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 (*Manufacturer) Update 

func (m *Manufacturer) Update() *ManufacturerUpdateOne

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

type ManufacturerClient 

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

ManufacturerClient is a client for the Manufacturer schema.

func NewManufacturerClient 

func NewManufacturerClient(c config) *ManufacturerClient

NewManufacturerClient returns a client for the Manufacturer from the given config.

func (*ManufacturerClient) Create 

func (c *ManufacturerClient) Create() *ManufacturerCreate

Create returns a create builder for Manufacturer.

func (*ManufacturerClient) Delete 

func (c *ManufacturerClient) Delete() *ManufacturerDelete

Delete returns a delete builder for Manufacturer.

func (*ManufacturerClient) DeleteOne 

func (c *ManufacturerClient) DeleteOne(m *Manufacturer) *ManufacturerDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*ManufacturerClient) DeleteOneID 

func (c *ManufacturerClient) DeleteOneID(id int) *ManufacturerDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*ManufacturerClient) Get 

func (c *ManufacturerClient) Get(ctx context.Context, id int) (*Manufacturer, error)

Get returns a Manufacturer entity by its id.

func (*ManufacturerClient) GetX 

func (c *ManufacturerClient) GetX(ctx context.Context, id int) *Manufacturer

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

func (*ManufacturerClient) Hooks 

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

Hooks returns the client hooks.

func (*ManufacturerClient) Query 

func (c *ManufacturerClient) Query() *ManufacturerQuery

Create returns a query builder for Manufacturer.

func (*ManufacturerClient) Update 

func (c *ManufacturerClient) Update() *ManufacturerUpdate

Update returns an update builder for Manufacturer.

func (*ManufacturerClient) UpdateOne 

func (c *ManufacturerClient) UpdateOne(m *Manufacturer) *ManufacturerUpdateOne

UpdateOne returns an update builder for the given entity.

func (*ManufacturerClient) UpdateOneID 

func (c *ManufacturerClient) UpdateOneID(id int) *ManufacturerUpdateOne

UpdateOneID returns an update builder for the given id.

func (*ManufacturerClient) Use 

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

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

type ManufacturerCreate 

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

ManufacturerCreate is the builder for creating a Manufacturer entity.

func (*ManufacturerCreate) Save 

func (mc *ManufacturerCreate) Save(ctx context.Context) (*Manufacturer, error)

Save creates the Manufacturer in the database.

func (*ManufacturerCreate) SaveX 

func (mc *ManufacturerCreate) SaveX(ctx context.Context) *Manufacturer

SaveX calls Save and panics if Save returns an error.

func (*ManufacturerCreate) SetName 

func (mc *ManufacturerCreate) SetName(s string) *ManufacturerCreate

SetName sets the name field.

func (*ManufacturerCreate) SetNillableName 

func (mc *ManufacturerCreate) SetNillableName(s *string) *ManufacturerCreate

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

type ManufacturerDelete 

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

ManufacturerDelete is the builder for deleting a Manufacturer entity.

func (*ManufacturerDelete) Exec 

func (md *ManufacturerDelete) Exec(ctx context.Context) (int, error)

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

func (*ManufacturerDelete) ExecX 

func (md *ManufacturerDelete) ExecX(ctx context.Context) int

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

func (*ManufacturerDelete) Where 

func (md *ManufacturerDelete) Where(ps ...predicate.Manufacturer) *ManufacturerDelete

Where adds a new predicate to the delete builder.

type ManufacturerDeleteOne 

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

ManufacturerDeleteOne is the builder for deleting a single Manufacturer entity.

func (*ManufacturerDeleteOne) Exec 

func (mdo *ManufacturerDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*ManufacturerDeleteOne) ExecX 

func (mdo *ManufacturerDeleteOne) ExecX(ctx context.Context)

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

type ManufacturerGroupBy 

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

ManufacturerGroupBy is the builder for group-by Manufacturer entities.

func (*ManufacturerGroupBy) Aggregate 

func (mgb *ManufacturerGroupBy) Aggregate(fns ...Aggregate) *ManufacturerGroupBy

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

func (*ManufacturerGroupBy) Bools 

func (mgb *ManufacturerGroupBy) 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 (*ManufacturerGroupBy) BoolsX 

func (mgb *ManufacturerGroupBy) BoolsX(ctx context.Context) []bool

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

func (*ManufacturerGroupBy) Float64s 

func (mgb *ManufacturerGroupBy) 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 (*ManufacturerGroupBy) Float64sX 

func (mgb *ManufacturerGroupBy) Float64sX(ctx context.Context) []float64

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

func (*ManufacturerGroupBy) Ints 

func (mgb *ManufacturerGroupBy) 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 (*ManufacturerGroupBy) IntsX 

func (mgb *ManufacturerGroupBy) IntsX(ctx context.Context) []int

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

func (*ManufacturerGroupBy) Scan 

func (mgb *ManufacturerGroupBy) Scan(ctx context.Context, v interface{}) error

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

func (*ManufacturerGroupBy) ScanX 

func (mgb *ManufacturerGroupBy) ScanX(ctx context.Context, v interface{})

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

func (*ManufacturerGroupBy) Strings 

func (mgb *ManufacturerGroupBy) 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 (*ManufacturerGroupBy) StringsX 

func (mgb *ManufacturerGroupBy) StringsX(ctx context.Context) []string

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

type ManufacturerMutation 

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

ManufacturerMutation represents an operation that mutate the Manufacturers nodes in the graph.

func (*ManufacturerMutation) AddField 

func (m *ManufacturerMutation) 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 (*ManufacturerMutation) AddedEdges 

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

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

func (*ManufacturerMutation) AddedField 

func (m *ManufacturerMutation) 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 (*ManufacturerMutation) AddedFields 

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

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

func (*ManufacturerMutation) AddedIDs 

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

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

func (*ManufacturerMutation) ClearEdge 

func (m *ManufacturerMutation) 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 (*ManufacturerMutation) ClearField 

func (m *ManufacturerMutation) 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 (*ManufacturerMutation) ClearedEdges 

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

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

func (*ManufacturerMutation) ClearedFields 

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

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

func (ManufacturerMutation) Client 

func (m ManufacturerMutation) 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 (*ManufacturerMutation) EdgeCleared 

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

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

func (*ManufacturerMutation) Field 

func (m *ManufacturerMutation) 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 (*ManufacturerMutation) FieldCleared 

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

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

func (*ManufacturerMutation) Fields 

func (m *ManufacturerMutation) 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 (*ManufacturerMutation) ID 

func (m *ManufacturerMutation) 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 (*ManufacturerMutation) Name 

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

Name returns the name value in the mutation.

func (*ManufacturerMutation) Op 

func (m *ManufacturerMutation) Op() Op

Op returns the operation name.

func (*ManufacturerMutation) RemovedEdges 

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

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

func (*ManufacturerMutation) RemovedIDs 

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

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

func (*ManufacturerMutation) ResetEdge 

func (m *ManufacturerMutation) 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 (*ManufacturerMutation) ResetField 

func (m *ManufacturerMutation) 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 (*ManufacturerMutation) ResetName 

func (m *ManufacturerMutation) ResetName()

ResetName reset all changes of the name field.

func (*ManufacturerMutation) SetField 

func (m *ManufacturerMutation) 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 (*ManufacturerMutation) SetName 

func (m *ManufacturerMutation) SetName(s string)

SetName sets the name field.

func (ManufacturerMutation) Tx 

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

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

func (*ManufacturerMutation) Type 

func (m *ManufacturerMutation) Type() string

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

type ManufacturerQuery 

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

ManufacturerQuery is the builder for querying Manufacturer entities.

func (*ManufacturerQuery) All 

func (mq *ManufacturerQuery) All(ctx context.Context) ([]*Manufacturer, error)

All executes the query and returns a list of Manufacturers.

func (*ManufacturerQuery) AllX 

func (mq *ManufacturerQuery) AllX(ctx context.Context) []*Manufacturer

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

func (*ManufacturerQuery) Clone 

func (mq *ManufacturerQuery) Clone() *ManufacturerQuery

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 (*ManufacturerQuery) Count 

func (mq *ManufacturerQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*ManufacturerQuery) CountX 

func (mq *ManufacturerQuery) CountX(ctx context.Context) int

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

func (*ManufacturerQuery) Exist 

func (mq *ManufacturerQuery) Exist(ctx context.Context) (bool, error)

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

func (*ManufacturerQuery) ExistX 

func (mq *ManufacturerQuery) ExistX(ctx context.Context) bool

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

func (*ManufacturerQuery) First 

func (mq *ManufacturerQuery) First(ctx context.Context) (*Manufacturer, error)

First returns the first Manufacturer entity in the query. Returns *NotFoundError when no manufacturer was found.

func (*ManufacturerQuery) FirstID 

func (mq *ManufacturerQuery) FirstID(ctx context.Context) (id int, err error)

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

func (*ManufacturerQuery) FirstX 

func (mq *ManufacturerQuery) FirstX(ctx context.Context) *Manufacturer

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

func (*ManufacturerQuery) FirstXID 

func (mq *ManufacturerQuery) FirstXID(ctx context.Context) int

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

func (*ManufacturerQuery) GroupBy 

func (mq *ManufacturerQuery) GroupBy(field string, fields ...string) *ManufacturerGroupBy

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.Manufacturer.Query().
	GroupBy(manufacturer.FieldName).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*ManufacturerQuery) IDs 

func (mq *ManufacturerQuery) IDs(ctx context.Context) ([]int, error)

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

func (*ManufacturerQuery) IDsX 

func (mq *ManufacturerQuery) IDsX(ctx context.Context) []int

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

func (*ManufacturerQuery) Limit 

func (mq *ManufacturerQuery) Limit(limit int) *ManufacturerQuery

Limit adds a limit step to the query.

func (*ManufacturerQuery) Offset 

func (mq *ManufacturerQuery) Offset(offset int) *ManufacturerQuery

Offset adds an offset step to the query.

func (*ManufacturerQuery) Only 

func (mq *ManufacturerQuery) Only(ctx context.Context) (*Manufacturer, error)

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

func (*ManufacturerQuery) OnlyID 

func (mq *ManufacturerQuery) OnlyID(ctx context.Context) (id int, err error)

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

func (*ManufacturerQuery) OnlyX 

func (mq *ManufacturerQuery) OnlyX(ctx context.Context) *Manufacturer

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

func (*ManufacturerQuery) OnlyXID 

func (mq *ManufacturerQuery) OnlyXID(ctx context.Context) int

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

func (*ManufacturerQuery) Order 

func (mq *ManufacturerQuery) Order(o ...Order) *ManufacturerQuery

Order adds an order step to the query.

func (*ManufacturerQuery) Select 

func (mq *ManufacturerQuery) Select(field string, fields ...string) *ManufacturerSelect

Select one or more fields from the given query.

Example: 

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

client.Manufacturer.Query().
	Select(manufacturer.FieldName).
	Scan(ctx, &v)

func (*ManufacturerQuery) Where 

func (mq *ManufacturerQuery) Where(ps ...predicate.Manufacturer) *ManufacturerQuery

Where adds a new predicate for the builder.

type ManufacturerSelect 

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

ManufacturerSelect is the builder for select fields of Manufacturer entities.

func (*ManufacturerSelect) Bools 

func (ms *ManufacturerSelect) Bools(ctx context.Context) ([]bool, error)

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

func (*ManufacturerSelect) BoolsX 

func (ms *ManufacturerSelect) BoolsX(ctx context.Context) []bool

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

func (*ManufacturerSelect) Float64s 

func (ms *ManufacturerSelect) Float64s(ctx context.Context) ([]float64, error)

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

func (*ManufacturerSelect) Float64sX 

func (ms *ManufacturerSelect) Float64sX(ctx context.Context) []float64

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

func (*ManufacturerSelect) Ints 

func (ms *ManufacturerSelect) Ints(ctx context.Context) ([]int, error)

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

func (*ManufacturerSelect) IntsX 

func (ms *ManufacturerSelect) IntsX(ctx context.Context) []int

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

func (*ManufacturerSelect) Scan 

func (ms *ManufacturerSelect) Scan(ctx context.Context, v interface{}) error

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

func (*ManufacturerSelect) ScanX 

func (ms *ManufacturerSelect) ScanX(ctx context.Context, v interface{})

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

func (*ManufacturerSelect) Strings 

func (ms *ManufacturerSelect) Strings(ctx context.Context) ([]string, error)

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

func (*ManufacturerSelect) StringsX 

func (ms *ManufacturerSelect) StringsX(ctx context.Context) []string

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

type ManufacturerUpdate 

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

ManufacturerUpdate is the builder for updating Manufacturer entities.

func (*ManufacturerUpdate) Exec 

func (mu *ManufacturerUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*ManufacturerUpdate) ExecX 

func (mu *ManufacturerUpdate) ExecX(ctx context.Context)

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

func (*ManufacturerUpdate) Save 

func (mu *ManufacturerUpdate) Save(ctx context.Context) (int, error)

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

func (*ManufacturerUpdate) SaveX 

func (mu *ManufacturerUpdate) SaveX(ctx context.Context) int

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

func (*ManufacturerUpdate) SetName 

func (mu *ManufacturerUpdate) SetName(s string) *ManufacturerUpdate

SetName sets the name field.

func (*ManufacturerUpdate) SetNillableName 

func (mu *ManufacturerUpdate) SetNillableName(s *string) *ManufacturerUpdate

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

func (*ManufacturerUpdate) Where 

func (mu *ManufacturerUpdate) Where(ps ...predicate.Manufacturer) *ManufacturerUpdate

Where adds a new predicate for the builder.

type ManufacturerUpdateOne 

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

ManufacturerUpdateOne is the builder for updating a single Manufacturer entity.

func (*ManufacturerUpdateOne) Exec 

func (muo *ManufacturerUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*ManufacturerUpdateOne) ExecX 

func (muo *ManufacturerUpdateOne) ExecX(ctx context.Context)

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

func (*ManufacturerUpdateOne) Save 

func (muo *ManufacturerUpdateOne) Save(ctx context.Context) (*Manufacturer, error)

Save executes the query and returns the updated entity.

func (*ManufacturerUpdateOne) SaveX 

func (muo *ManufacturerUpdateOne) SaveX(ctx context.Context) *Manufacturer

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

func (*ManufacturerUpdateOne) SetName 

func (muo *ManufacturerUpdateOne) SetName(s string) *ManufacturerUpdateOne

SetName sets the name field.

func (*ManufacturerUpdateOne) SetNillableName 

func (muo *ManufacturerUpdateOne) SetNillableName(s *string) *ManufacturerUpdateOne

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

type Manufacturers 

type Manufacturers []*Manufacturer

Manufacturers is a parsable slice of Manufacturer.

type Model 

type Model 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
}

Model is the model entity for the Model schema.

func (*Model) String 

func (m *Model) String() string

String implements the fmt.Stringer.

func (*Model) Unwrap 

func (m *Model) Unwrap() *Model

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 (*Model) Update 

func (m *Model) Update() *ModelUpdateOne

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

type ModelClient 

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

ModelClient is a client for the Model schema.

func NewModelClient 

func NewModelClient(c config) *ModelClient

NewModelClient returns a client for the Model from the given config.

func (*ModelClient) Create 

func (c *ModelClient) Create() *ModelCreate

Create returns a create builder for Model.

func (*ModelClient) Delete 

func (c *ModelClient) Delete() *ModelDelete

Delete returns a delete builder for Model.

func (*ModelClient) DeleteOne 

func (c *ModelClient) DeleteOne(m *Model) *ModelDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*ModelClient) DeleteOneID 

func (c *ModelClient) DeleteOneID(id int) *ModelDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*ModelClient) Get 

func (c *ModelClient) Get(ctx context.Context, id int) (*Model, error)

Get returns a Model entity by its id.

func (*ModelClient) GetX 

func (c *ModelClient) GetX(ctx context.Context, id int) *Model

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

func (*ModelClient) Hooks 

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

Hooks returns the client hooks.

func (*ModelClient) Query 

func (c *ModelClient) Query() *ModelQuery

Create returns a query builder for Model.

func (*ModelClient) Update 

func (c *ModelClient) Update() *ModelUpdate

Update returns an update builder for Model.

func (*ModelClient) UpdateOne 

func (c *ModelClient) UpdateOne(m *Model) *ModelUpdateOne

UpdateOne returns an update builder for the given entity.

func (*ModelClient) UpdateOneID 

func (c *ModelClient) UpdateOneID(id int) *ModelUpdateOne

UpdateOneID returns an update builder for the given id.

func (*ModelClient) Use 

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

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

type ModelCreate 

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

ModelCreate is the builder for creating a Model entity.

func (*ModelCreate) Save 

func (mc *ModelCreate) Save(ctx context.Context) (*Model, error)

Save creates the Model in the database.

func (*ModelCreate) SaveX 

func (mc *ModelCreate) SaveX(ctx context.Context) *Model

SaveX calls Save and panics if Save returns an error.

func (*ModelCreate) SetName 

func (mc *ModelCreate) SetName(s string) *ModelCreate

SetName sets the name field.

func (*ModelCreate) SetNillableName 

func (mc *ModelCreate) SetNillableName(s *string) *ModelCreate

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

type ModelDelete 

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

ModelDelete is the builder for deleting a Model entity.

func (*ModelDelete) Exec 

func (md *ModelDelete) Exec(ctx context.Context) (int, error)

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

func (*ModelDelete) ExecX 

func (md *ModelDelete) ExecX(ctx context.Context) int

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

func (*ModelDelete) Where 

func (md *ModelDelete) Where(ps ...predicate.Model) *ModelDelete

Where adds a new predicate to the delete builder.

type ModelDeleteOne 

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

ModelDeleteOne is the builder for deleting a single Model entity.

func (*ModelDeleteOne) Exec 

func (mdo *ModelDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*ModelDeleteOne) ExecX 

func (mdo *ModelDeleteOne) ExecX(ctx context.Context)

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

type ModelGroupBy 

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

ModelGroupBy is the builder for group-by Model entities.

func (*ModelGroupBy) Aggregate 

func (mgb *ModelGroupBy) Aggregate(fns ...Aggregate) *ModelGroupBy

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

func (*ModelGroupBy) Bools 

func (mgb *ModelGroupBy) 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 (*ModelGroupBy) BoolsX 

func (mgb *ModelGroupBy) BoolsX(ctx context.Context) []bool

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

func (*ModelGroupBy) Float64s 

func (mgb *ModelGroupBy) 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 (*ModelGroupBy) Float64sX 

func (mgb *ModelGroupBy) Float64sX(ctx context.Context) []float64

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

func (*ModelGroupBy) Ints 

func (mgb *ModelGroupBy) 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 (*ModelGroupBy) IntsX 

func (mgb *ModelGroupBy) IntsX(ctx context.Context) []int

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

func (*ModelGroupBy) Scan 

func (mgb *ModelGroupBy) Scan(ctx context.Context, v interface{}) error

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

func (*ModelGroupBy) ScanX 

func (mgb *ModelGroupBy) ScanX(ctx context.Context, v interface{})

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

func (*ModelGroupBy) Strings 

func (mgb *ModelGroupBy) 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 (*ModelGroupBy) StringsX 

func (mgb *ModelGroupBy) StringsX(ctx context.Context) []string

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

type ModelMutation 

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

ModelMutation represents an operation that mutate the Models nodes in the graph.

func (*ModelMutation) AddField 

func (m *ModelMutation) 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 (*ModelMutation) AddedEdges 

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

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

func (*ModelMutation) AddedField 

func (m *ModelMutation) 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 (*ModelMutation) AddedFields 

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

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

func (*ModelMutation) AddedIDs 

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

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

func (*ModelMutation) ClearEdge 

func (m *ModelMutation) 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 (*ModelMutation) ClearField 

func (m *ModelMutation) 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 (*ModelMutation) ClearedEdges 

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

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

func (*ModelMutation) ClearedFields 

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

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

func (ModelMutation) Client 

func (m ModelMutation) 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 (*ModelMutation) EdgeCleared 

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

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

func (*ModelMutation) Field 

func (m *ModelMutation) 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 (*ModelMutation) FieldCleared 

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

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

func (*ModelMutation) Fields 

func (m *ModelMutation) 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 (*ModelMutation) ID 

func (m *ModelMutation) 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 (*ModelMutation) Name 

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

Name returns the name value in the mutation.

func (*ModelMutation) Op 

func (m *ModelMutation) Op() Op

Op returns the operation name.

func (*ModelMutation) RemovedEdges 

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

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

func (*ModelMutation) RemovedIDs 

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

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

func (*ModelMutation) ResetEdge 

func (m *ModelMutation) 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 (*ModelMutation) ResetField 

func (m *ModelMutation) 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 (*ModelMutation) ResetName 

func (m *ModelMutation) ResetName()

ResetName reset all changes of the name field.

func (*ModelMutation) SetField 

func (m *ModelMutation) 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 (*ModelMutation) SetName 

func (m *ModelMutation) SetName(s string)

SetName sets the name field.

func (ModelMutation) Tx 

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

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

func (*ModelMutation) Type 

func (m *ModelMutation) Type() string

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

type ModelQuery 

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

ModelQuery is the builder for querying Model entities.

func (*ModelQuery) All 

func (mq *ModelQuery) All(ctx context.Context) ([]*Model, error)

All executes the query and returns a list of Models.

func (*ModelQuery) AllX 

func (mq *ModelQuery) AllX(ctx context.Context) []*Model

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

func (*ModelQuery) Clone 

func (mq *ModelQuery) Clone() *ModelQuery

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 (*ModelQuery) Count 

func (mq *ModelQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*ModelQuery) CountX 

func (mq *ModelQuery) CountX(ctx context.Context) int

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

func (*ModelQuery) Exist 

func (mq *ModelQuery) Exist(ctx context.Context) (bool, error)

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

func (*ModelQuery) ExistX 

func (mq *ModelQuery) ExistX(ctx context.Context) bool

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

func (*ModelQuery) First 

func (mq *ModelQuery) First(ctx context.Context) (*Model, error)

First returns the first Model entity in the query. Returns *NotFoundError when no model was found.

func (*ModelQuery) FirstID 

func (mq *ModelQuery) FirstID(ctx context.Context) (id int, err error)

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

func (*ModelQuery) FirstX 

func (mq *ModelQuery) FirstX(ctx context.Context) *Model

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

func (*ModelQuery) FirstXID 

func (mq *ModelQuery) FirstXID(ctx context.Context) int

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

func (*ModelQuery) GroupBy 

func (mq *ModelQuery) GroupBy(field string, fields ...string) *ModelGroupBy

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.Model.Query().
	GroupBy(model.FieldName).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*ModelQuery) IDs 

func (mq *ModelQuery) IDs(ctx context.Context) ([]int, error)

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

func (*ModelQuery) IDsX 

func (mq *ModelQuery) IDsX(ctx context.Context) []int

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

func (*ModelQuery) Limit 

func (mq *ModelQuery) Limit(limit int) *ModelQuery

Limit adds a limit step to the query.

func (*ModelQuery) Offset 

func (mq *ModelQuery) Offset(offset int) *ModelQuery

Offset adds an offset step to the query.

func (*ModelQuery) Only 

func (mq *ModelQuery) Only(ctx context.Context) (*Model, error)

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

func (*ModelQuery) OnlyID 

func (mq *ModelQuery) OnlyID(ctx context.Context) (id int, err error)

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

func (*ModelQuery) OnlyX 

func (mq *ModelQuery) OnlyX(ctx context.Context) *Model

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

func (*ModelQuery) OnlyXID 

func (mq *ModelQuery) OnlyXID(ctx context.Context) int

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

func (*ModelQuery) Order 

func (mq *ModelQuery) Order(o ...Order) *ModelQuery

Order adds an order step to the query.

func (*ModelQuery) Select 

func (mq *ModelQuery) Select(field string, fields ...string) *ModelSelect

Select one or more fields from the given query.

Example: 

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

client.Model.Query().
	Select(model.FieldName).
	Scan(ctx, &v)

func (*ModelQuery) Where 

func (mq *ModelQuery) Where(ps ...predicate.Model) *ModelQuery

Where adds a new predicate for the builder.

type ModelSelect 

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

ModelSelect is the builder for select fields of Model entities.

func (*ModelSelect) Bools 

func (ms *ModelSelect) Bools(ctx context.Context) ([]bool, error)

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

func (*ModelSelect) BoolsX 

func (ms *ModelSelect) BoolsX(ctx context.Context) []bool

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

func (*ModelSelect) Float64s 

func (ms *ModelSelect) Float64s(ctx context.Context) ([]float64, error)

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

func (*ModelSelect) Float64sX 

func (ms *ModelSelect) Float64sX(ctx context.Context) []float64

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

func (*ModelSelect) Ints 

func (ms *ModelSelect) Ints(ctx context.Context) ([]int, error)

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

func (*ModelSelect) IntsX 

func (ms *ModelSelect) IntsX(ctx context.Context) []int

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

func (*ModelSelect) Scan 

func (ms *ModelSelect) Scan(ctx context.Context, v interface{}) error

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

func (*ModelSelect) ScanX 

func (ms *ModelSelect) ScanX(ctx context.Context, v interface{})

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

func (*ModelSelect) Strings 

func (ms *ModelSelect) Strings(ctx context.Context) ([]string, error)

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

func (*ModelSelect) StringsX 

func (ms *ModelSelect) StringsX(ctx context.Context) []string

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

type ModelUpdate 

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

ModelUpdate is the builder for updating Model entities.

func (*ModelUpdate) Exec 

func (mu *ModelUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*ModelUpdate) ExecX 

func (mu *ModelUpdate) ExecX(ctx context.Context)

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

func (*ModelUpdate) Save 

func (mu *ModelUpdate) Save(ctx context.Context) (int, error)

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

func (*ModelUpdate) SaveX 

func (mu *ModelUpdate) SaveX(ctx context.Context) int

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

func (*ModelUpdate) SetName 

func (mu *ModelUpdate) SetName(s string) *ModelUpdate

SetName sets the name field.

func (*ModelUpdate) SetNillableName 

func (mu *ModelUpdate) SetNillableName(s *string) *ModelUpdate

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

func (*ModelUpdate) Where 

func (mu *ModelUpdate) Where(ps ...predicate.Model) *ModelUpdate

Where adds a new predicate for the builder.

type ModelUpdateOne 

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

ModelUpdateOne is the builder for updating a single Model entity.

func (*ModelUpdateOne) Exec 

func (muo *ModelUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*ModelUpdateOne) ExecX 

func (muo *ModelUpdateOne) ExecX(ctx context.Context)

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

func (*ModelUpdateOne) Save 

func (muo *ModelUpdateOne) Save(ctx context.Context) (*Model, error)

Save executes the query and returns the updated entity.

func (*ModelUpdateOne) SaveX 

func (muo *ModelUpdateOne) SaveX(ctx context.Context) *Model

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

func (*ModelUpdateOne) SetName 

func (muo *ModelUpdateOne) SetName(s string) *ModelUpdateOne

SetName sets the name field.

func (*ModelUpdateOne) SetNillableName 

func (muo *ModelUpdateOne) SetNillableName(s *string) *ModelUpdateOne

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

type Models 

type Models []*Model

Models is a parsable slice of Model.

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 Order 

type Order func(*sql.Selector)

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

func Asc 

func Asc(fields ...string) Order

Asc applies the given fields in ASC order.

func Desc 

func Desc(fields ...string) Order

Desc applies the given fields in DESC order.

type 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 Tx 

type Tx struct {

	// Manufacturer is the client for interacting with the Manufacturer builders.
	Manufacturer *ManufacturerClient
	// Model is the client for interacting with the Model builders.
	Model *ModelClient
	// 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 func(error))

OnCommit adds a function to call on commit.

func (*Tx) OnRollback 

func (tx *Tx) OnRollback(f func(error))

OnRollback adds a function to call on rollback.

func (*Tx) Rollback 

func (tx *Tx) Rollback() error

Rollback rollbacks the transaction.

type Value 

type Value = ent.Value

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

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