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 Go to latest Published: Aug 11, 2020 License: MIT Imports: 16 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.
	TypeMiner = "Miner"
)

Variables

This section is empty.

Functions

func IsConstraintError 

func IsConstraintError(err error) bool

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

func IsNotFound 

func IsNotFound(err error) bool

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

func IsNotLoaded 

func IsNotLoaded(err error) bool

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

func IsNotSingular 

func IsNotSingular(err error) bool

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

func IsValidationError 

func IsValidationError(err error) bool

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

func MaskNotFound 

func MaskNotFound(err error) error

MaskNotFound masks nor found error.

func NewContext 

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

NewContext returns a new context with the given Client attached.

func NewTxContext 

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

NewTxContext returns a new context with the given Client attached.

Types

type AggregateFunc 

type AggregateFunc func(*sql.Selector) string

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

func As 

func As(fn AggregateFunc, end string) AggregateFunc

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

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

func Count 

func Count() AggregateFunc

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

func Max 

func Max(field string) AggregateFunc

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

func Mean 

func Mean(field string) AggregateFunc

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

func Min 

func Min(field string) AggregateFunc

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

func Sum 

func Sum(field string) AggregateFunc

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

type Client 

type Client struct {

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

Client is the client that holds all ent builders.

func FromContext 

func FromContext(ctx context.Context) *Client

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

func NewClient 

func NewClient(opts ...Option) *Client

NewClient creates a new client configured with the given options.

func Open 

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

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

func (*Client) BeginTx 

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

BeginTx returns a transactional client with options.

func (*Client) Close 

func (c *Client) Close() error

Close closes the database connection and prevents new queries from starting.

func (*Client) Debug 

func (c *Client) Debug() *Client

Debug returns a new debug-client. It's used to get verbose logging on specific operations. 

client.Debug().
	Miner.
	Query().
	Count(ctx)

func (*Client) Tx 

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

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

func (*Client) Use 

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

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

type CommitFunc 

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

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

func (CommitFunc) Commit 

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

Commit calls f(ctx, m).

type CommitHook 

type CommitHook func(Committer) Committer

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

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

type Committer 

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

Committer is the interface that wraps the Committer method.

type ConstraintError 

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

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

func (ConstraintError) Error 

func (e ConstraintError) Error() string

Error implements the error interface.

func (*ConstraintError) Unwrap 

func (e *ConstraintError) Unwrap() error

Unwrap implements the errors.Wrapper interface.

type Hook 

type Hook = ent.Hook

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

type Miner 

type Miner struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// StateRoot holds the value of the "state_root" field.
	StateRoot string `json:"state_root,omitempty"`
	// MinerID holds the value of the "miner_id" field.
	MinerID string `json:"miner_id,omitempty"`
	// OwnerAddr holds the value of the "owner_addr" field.
	OwnerAddr string `json:"owner_addr,omitempty"`
	// WorkerAddr holds the value of the "worker_addr" field.
	WorkerAddr string `json:"worker_addr,omitempty"`
	// PeerID holds the value of the "peer_id" field.
	PeerID string `json:"peer_id,omitempty"`
	// SectorSize holds the value of the "sector_size" field.
	SectorSize string `json:"sector_size,omitempty"`
	// contains filtered or unexported fields
}

Miner is the model entity for the Miner schema.

func (*Miner) String 

func (m *Miner) String() string

String implements the fmt.Stringer.

func (*Miner) Unwrap 

func (m *Miner) Unwrap() *Miner

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 (*Miner) Update 

func (m *Miner) Update() *MinerUpdateOne

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

type MinerClient 

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

MinerClient is a client for the Miner schema.

func NewMinerClient 

func NewMinerClient(c config) *MinerClient

NewMinerClient returns a client for the Miner from the given config.

func (*MinerClient) Create 

func (c *MinerClient) Create() *MinerCreate

Create returns a create builder for Miner.

func (*MinerClient) CreateBulk 

func (c *MinerClient) CreateBulk(builders ...*MinerCreate) *MinerCreateBulk

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

func (*MinerClient) Delete 

func (c *MinerClient) Delete() *MinerDelete

Delete returns a delete builder for Miner.

func (*MinerClient) DeleteOne 

func (c *MinerClient) DeleteOne(m *Miner) *MinerDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*MinerClient) DeleteOneID 

func (c *MinerClient) DeleteOneID(id int) *MinerDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*MinerClient) Get 

func (c *MinerClient) Get(ctx context.Context, id int) (*Miner, error)

Get returns a Miner entity by its id.

func (*MinerClient) GetX 

func (c *MinerClient) GetX(ctx context.Context, id int) *Miner

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

func (*MinerClient) Hooks 

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

Hooks returns the client hooks.

func (*MinerClient) Query 

func (c *MinerClient) Query() *MinerQuery

Query returns a query builder for Miner.

func (*MinerClient) Update 

func (c *MinerClient) Update() *MinerUpdate

Update returns an update builder for Miner.

func (*MinerClient) UpdateOne 

func (c *MinerClient) UpdateOne(m *Miner) *MinerUpdateOne

UpdateOne returns an update builder for the given entity.

func (*MinerClient) UpdateOneID 

func (c *MinerClient) UpdateOneID(id int) *MinerUpdateOne

UpdateOneID returns an update builder for the given id.

func (*MinerClient) Use 

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

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

type MinerCreate 

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

MinerCreate is the builder for creating a Miner entity.

func (*MinerCreate) Mutation 

func (mc *MinerCreate) Mutation() *MinerMutation

Mutation returns the MinerMutation object of the builder.

func (*MinerCreate) Save 

func (mc *MinerCreate) Save(ctx context.Context) (*Miner, error)

Save creates the Miner in the database.

func (*MinerCreate) SaveX 

func (mc *MinerCreate) SaveX(ctx context.Context) *Miner

SaveX calls Save and panics if Save returns an error.

func (*MinerCreate) SetMinerID 

func (mc *MinerCreate) SetMinerID(s string) *MinerCreate

SetMinerID sets the miner_id field.

func (*MinerCreate) SetOwnerAddr 

func (mc *MinerCreate) SetOwnerAddr(s string) *MinerCreate

SetOwnerAddr sets the owner_addr field.

func (*MinerCreate) SetPeerID 

func (mc *MinerCreate) SetPeerID(s string) *MinerCreate

SetPeerID sets the peer_id field.

func (*MinerCreate) SetSectorSize 

func (mc *MinerCreate) SetSectorSize(s string) *MinerCreate

SetSectorSize sets the sector_size field.

func (*MinerCreate) SetStateRoot 

func (mc *MinerCreate) SetStateRoot(s string) *MinerCreate

SetStateRoot sets the state_root field.

func (*MinerCreate) SetWorkerAddr 

func (mc *MinerCreate) SetWorkerAddr(s string) *MinerCreate

SetWorkerAddr sets the worker_addr field.

type MinerCreateBulk 

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

MinerCreateBulk is the builder for creating a bulk of Miner entities.

func (*MinerCreateBulk) Save 

func (mcb *MinerCreateBulk) Save(ctx context.Context) ([]*Miner, error)

Save creates the Miner entities in the database.

func (*MinerCreateBulk) SaveX 

func (mcb *MinerCreateBulk) SaveX(ctx context.Context) []*Miner

SaveX calls Save and panics if Save returns an error.

type MinerDelete 

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

MinerDelete is the builder for deleting a Miner entity.

func (*MinerDelete) Exec 

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

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

func (*MinerDelete) ExecX 

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

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

func (*MinerDelete) Where 

func (md *MinerDelete) Where(ps ...predicate.Miner) *MinerDelete

Where adds a new predicate to the delete builder.

type MinerDeleteOne 

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

MinerDeleteOne is the builder for deleting a single Miner entity.

func (*MinerDeleteOne) Exec 

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

Exec executes the deletion query.

func (*MinerDeleteOne) ExecX 

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

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

type MinerGroupBy 

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

MinerGroupBy is the builder for group-by Miner entities.

func (*MinerGroupBy) Aggregate 

func (mgb *MinerGroupBy) Aggregate(fns ...AggregateFunc) *MinerGroupBy

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

func (*MinerGroupBy) Bool 

func (mgb *MinerGroupBy) Bool(ctx context.Context) (_ bool, err error)

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

func (*MinerGroupBy) BoolX 

func (mgb *MinerGroupBy) BoolX(ctx context.Context) bool

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

func (*MinerGroupBy) Bools 

func (mgb *MinerGroupBy) 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 (*MinerGroupBy) BoolsX 

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

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

func (*MinerGroupBy) Float64 

func (mgb *MinerGroupBy) Float64(ctx context.Context) (_ float64, err error)

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

func (*MinerGroupBy) Float64X 

func (mgb *MinerGroupBy) Float64X(ctx context.Context) float64

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

func (*MinerGroupBy) Float64s 

func (mgb *MinerGroupBy) 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 (*MinerGroupBy) Float64sX 

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

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

func (*MinerGroupBy) Int 

func (mgb *MinerGroupBy) Int(ctx context.Context) (_ int, err error)

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

func (*MinerGroupBy) IntX 

func (mgb *MinerGroupBy) IntX(ctx context.Context) int

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

func (*MinerGroupBy) Ints 

func (mgb *MinerGroupBy) 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 (*MinerGroupBy) IntsX 

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

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

func (*MinerGroupBy) Scan 

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

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

func (*MinerGroupBy) ScanX 

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

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

func (*MinerGroupBy) String 

func (mgb *MinerGroupBy) String(ctx context.Context) (_ string, err error)

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

func (*MinerGroupBy) StringX 

func (mgb *MinerGroupBy) StringX(ctx context.Context) string

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

func (*MinerGroupBy) Strings 

func (mgb *MinerGroupBy) 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 (*MinerGroupBy) StringsX 

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

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

type MinerMutation 

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

MinerMutation represents an operation that mutate the Miners nodes in the graph.

func (*MinerMutation) AddField 

func (m *MinerMutation) 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 (*MinerMutation) AddedEdges 

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

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

func (*MinerMutation) AddedField 

func (m *MinerMutation) 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 (*MinerMutation) AddedFields 

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

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

func (*MinerMutation) AddedIDs 

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

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

func (*MinerMutation) ClearEdge 

func (m *MinerMutation) 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 (*MinerMutation) ClearField 

func (m *MinerMutation) 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 (*MinerMutation) ClearedEdges 

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

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

func (*MinerMutation) ClearedFields 

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

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

func (MinerMutation) Client 

func (m MinerMutation) 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 (*MinerMutation) EdgeCleared 

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

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

func (*MinerMutation) Field 

func (m *MinerMutation) 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 (*MinerMutation) FieldCleared 

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

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

func (*MinerMutation) Fields 

func (m *MinerMutation) 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 (*MinerMutation) ID 

func (m *MinerMutation) 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 (*MinerMutation) MinerID 

func (m *MinerMutation) MinerID() (r string, exists bool)

MinerID returns the miner_id value in the mutation.

func (*MinerMutation) OldField 

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

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

func (*MinerMutation) OldMinerID 

func (m *MinerMutation) OldMinerID(ctx context.Context) (v string, err error)

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

func (*MinerMutation) OldOwnerAddr 

func (m *MinerMutation) OldOwnerAddr(ctx context.Context) (v string, err error)

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

func (*MinerMutation) OldPeerID 

func (m *MinerMutation) OldPeerID(ctx context.Context) (v string, err error)

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

func (*MinerMutation) OldSectorSize 

func (m *MinerMutation) OldSectorSize(ctx context.Context) (v string, err error)

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

func (*MinerMutation) OldStateRoot 

func (m *MinerMutation) OldStateRoot(ctx context.Context) (v string, err error)

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

func (*MinerMutation) OldWorkerAddr 

func (m *MinerMutation) OldWorkerAddr(ctx context.Context) (v string, err error)

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

func (*MinerMutation) Op 

func (m *MinerMutation) Op() Op

Op returns the operation name.

func (*MinerMutation) OwnerAddr 

func (m *MinerMutation) OwnerAddr() (r string, exists bool)

OwnerAddr returns the owner_addr value in the mutation.

func (*MinerMutation) PeerID 

func (m *MinerMutation) PeerID() (r string, exists bool)

PeerID returns the peer_id value in the mutation.

func (*MinerMutation) RemovedEdges 

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

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

func (*MinerMutation) RemovedIDs 

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

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

func (*MinerMutation) ResetEdge 

func (m *MinerMutation) 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 (*MinerMutation) ResetField 

func (m *MinerMutation) 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 (*MinerMutation) ResetMinerID 

func (m *MinerMutation) ResetMinerID()

ResetMinerID reset all changes of the "miner_id" field.

func (*MinerMutation) ResetOwnerAddr 

func (m *MinerMutation) ResetOwnerAddr()

ResetOwnerAddr reset all changes of the "owner_addr" field.

func (*MinerMutation) ResetPeerID 

func (m *MinerMutation) ResetPeerID()

ResetPeerID reset all changes of the "peer_id" field.

func (*MinerMutation) ResetSectorSize 

func (m *MinerMutation) ResetSectorSize()

ResetSectorSize reset all changes of the "sector_size" field.

func (*MinerMutation) ResetStateRoot 

func (m *MinerMutation) ResetStateRoot()

ResetStateRoot reset all changes of the "state_root" field.

func (*MinerMutation) ResetWorkerAddr 

func (m *MinerMutation) ResetWorkerAddr()

ResetWorkerAddr reset all changes of the "worker_addr" field.

func (*MinerMutation) SectorSize 

func (m *MinerMutation) SectorSize() (r string, exists bool)

SectorSize returns the sector_size value in the mutation.

func (*MinerMutation) SetField 

func (m *MinerMutation) 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 (*MinerMutation) SetMinerID 

func (m *MinerMutation) SetMinerID(s string)

SetMinerID sets the miner_id field.

func (*MinerMutation) SetOwnerAddr 

func (m *MinerMutation) SetOwnerAddr(s string)

SetOwnerAddr sets the owner_addr field.

func (*MinerMutation) SetPeerID 

func (m *MinerMutation) SetPeerID(s string)

SetPeerID sets the peer_id field.

func (*MinerMutation) SetSectorSize 

func (m *MinerMutation) SetSectorSize(s string)

SetSectorSize sets the sector_size field.

func (*MinerMutation) SetStateRoot 

func (m *MinerMutation) SetStateRoot(s string)

SetStateRoot sets the state_root field.

func (*MinerMutation) SetWorkerAddr 

func (m *MinerMutation) SetWorkerAddr(s string)

SetWorkerAddr sets the worker_addr field.

func (*MinerMutation) StateRoot 

func (m *MinerMutation) StateRoot() (r string, exists bool)

StateRoot returns the state_root value in the mutation.

func (MinerMutation) Tx 

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

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

func (*MinerMutation) Type 

func (m *MinerMutation) Type() string

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

func (*MinerMutation) WorkerAddr 

func (m *MinerMutation) WorkerAddr() (r string, exists bool)

WorkerAddr returns the worker_addr value in the mutation.

type MinerQuery 

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

MinerQuery is the builder for querying Miner entities.

func (*MinerQuery) All 

func (mq *MinerQuery) All(ctx context.Context) ([]*Miner, error)

All executes the query and returns a list of Miners.

func (*MinerQuery) AllX 

func (mq *MinerQuery) AllX(ctx context.Context) []*Miner

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

func (*MinerQuery) Clone 

func (mq *MinerQuery) Clone() *MinerQuery

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 (*MinerQuery) Count 

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

Count returns the count of the given query.

func (*MinerQuery) CountX 

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

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

func (*MinerQuery) Exist 

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

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

func (*MinerQuery) ExistX 

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

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

func (*MinerQuery) First 

func (mq *MinerQuery) First(ctx context.Context) (*Miner, error)

First returns the first Miner entity in the query. Returns *NotFoundError when no miner was found.

func (*MinerQuery) FirstID 

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

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

func (*MinerQuery) FirstX 

func (mq *MinerQuery) FirstX(ctx context.Context) *Miner

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

func (*MinerQuery) FirstXID 

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

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

func (*MinerQuery) GroupBy 

func (mq *MinerQuery) GroupBy(field string, fields ...string) *MinerGroupBy

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 {
	StateRoot string `json:"state_root,omitempty"`
	Count int `json:"count,omitempty"`
}

client.Miner.Query().
	GroupBy(miner.FieldStateRoot).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*MinerQuery) IDs 

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

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

func (*MinerQuery) IDsX 

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

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

func (*MinerQuery) Limit 

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

Limit adds a limit step to the query.

func (*MinerQuery) Offset 

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

Offset adds an offset step to the query.

func (*MinerQuery) Only 

func (mq *MinerQuery) Only(ctx context.Context) (*Miner, error)

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

func (*MinerQuery) OnlyID 

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

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

func (*MinerQuery) OnlyIDX 

func (mq *MinerQuery) OnlyIDX(ctx context.Context) int

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

func (*MinerQuery) OnlyX 

func (mq *MinerQuery) OnlyX(ctx context.Context) *Miner

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

func (*MinerQuery) Order 

func (mq *MinerQuery) Order(o ...OrderFunc) *MinerQuery

Order adds an order step to the query.

func (*MinerQuery) Select 

func (mq *MinerQuery) Select(field string, fields ...string) *MinerSelect

Select one or more fields from the given query.

Example: 

var v []struct {
	StateRoot string `json:"state_root,omitempty"`
}

client.Miner.Query().
	Select(miner.FieldStateRoot).
	Scan(ctx, &v)

func (*MinerQuery) Where 

func (mq *MinerQuery) Where(ps ...predicate.Miner) *MinerQuery

Where adds a new predicate for the builder.

type MinerSelect 

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

MinerSelect is the builder for select fields of Miner entities.

func (*MinerSelect) Bool 

func (ms *MinerSelect) Bool(ctx context.Context) (_ bool, err error)

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

func (*MinerSelect) BoolX 

func (ms *MinerSelect) BoolX(ctx context.Context) bool

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

func (*MinerSelect) Bools 

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

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

func (*MinerSelect) BoolsX 

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

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

func (*MinerSelect) Float64 

func (ms *MinerSelect) Float64(ctx context.Context) (_ float64, err error)

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

func (*MinerSelect) Float64X 

func (ms *MinerSelect) Float64X(ctx context.Context) float64

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

func (*MinerSelect) Float64s 

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

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

func (*MinerSelect) Float64sX 

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

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

func (*MinerSelect) Int 

func (ms *MinerSelect) Int(ctx context.Context) (_ int, err error)

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

func (*MinerSelect) IntX 

func (ms *MinerSelect) IntX(ctx context.Context) int

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

func (*MinerSelect) Ints 

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

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

func (*MinerSelect) IntsX 

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

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

func (*MinerSelect) Scan 

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

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

func (*MinerSelect) ScanX 

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

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

func (*MinerSelect) String 

func (ms *MinerSelect) String(ctx context.Context) (_ string, err error)

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

func (*MinerSelect) StringX 

func (ms *MinerSelect) StringX(ctx context.Context) string

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

func (*MinerSelect) Strings 

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

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

func (*MinerSelect) StringsX 

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

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

type MinerUpdate 

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

MinerUpdate is the builder for updating Miner entities.

func (*MinerUpdate) Exec 

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

Exec executes the query.

func (*MinerUpdate) ExecX 

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

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

func (*MinerUpdate) Mutation 

func (mu *MinerUpdate) Mutation() *MinerMutation

Mutation returns the MinerMutation object of the builder.

func (*MinerUpdate) Save 

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

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

func (*MinerUpdate) SaveX 

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

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

func (*MinerUpdate) SetMinerID 

func (mu *MinerUpdate) SetMinerID(s string) *MinerUpdate

SetMinerID sets the miner_id field.

func (*MinerUpdate) SetOwnerAddr 

func (mu *MinerUpdate) SetOwnerAddr(s string) *MinerUpdate

SetOwnerAddr sets the owner_addr field.

func (*MinerUpdate) SetPeerID 

func (mu *MinerUpdate) SetPeerID(s string) *MinerUpdate

SetPeerID sets the peer_id field.

func (*MinerUpdate) SetSectorSize 

func (mu *MinerUpdate) SetSectorSize(s string) *MinerUpdate

SetSectorSize sets the sector_size field.

func (*MinerUpdate) SetStateRoot 

func (mu *MinerUpdate) SetStateRoot(s string) *MinerUpdate

SetStateRoot sets the state_root field.

func (*MinerUpdate) SetWorkerAddr 

func (mu *MinerUpdate) SetWorkerAddr(s string) *MinerUpdate

SetWorkerAddr sets the worker_addr field.

func (*MinerUpdate) Where 

func (mu *MinerUpdate) Where(ps ...predicate.Miner) *MinerUpdate

Where adds a new predicate for the builder.

type MinerUpdateOne 

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

MinerUpdateOne is the builder for updating a single Miner entity.

func (*MinerUpdateOne) Exec 

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

Exec executes the query on the entity.

func (*MinerUpdateOne) ExecX 

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

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

func (*MinerUpdateOne) Mutation 

func (muo *MinerUpdateOne) Mutation() *MinerMutation

Mutation returns the MinerMutation object of the builder.

func (*MinerUpdateOne) Save 

func (muo *MinerUpdateOne) Save(ctx context.Context) (*Miner, error)

Save executes the query and returns the updated entity.

func (*MinerUpdateOne) SaveX 

func (muo *MinerUpdateOne) SaveX(ctx context.Context) *Miner

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

func (*MinerUpdateOne) SetMinerID 

func (muo *MinerUpdateOne) SetMinerID(s string) *MinerUpdateOne

SetMinerID sets the miner_id field.

func (*MinerUpdateOne) SetOwnerAddr 

func (muo *MinerUpdateOne) SetOwnerAddr(s string) *MinerUpdateOne

SetOwnerAddr sets the owner_addr field.

func (*MinerUpdateOne) SetPeerID 

func (muo *MinerUpdateOne) SetPeerID(s string) *MinerUpdateOne

SetPeerID sets the peer_id field.

func (*MinerUpdateOne) SetSectorSize 

func (muo *MinerUpdateOne) SetSectorSize(s string) *MinerUpdateOne

SetSectorSize sets the sector_size field.

func (*MinerUpdateOne) SetStateRoot 

func (muo *MinerUpdateOne) SetStateRoot(s string) *MinerUpdateOne

SetStateRoot sets the state_root field.

func (*MinerUpdateOne) SetWorkerAddr 

func (muo *MinerUpdateOne) SetWorkerAddr(s string) *MinerUpdateOne

SetWorkerAddr sets the worker_addr field.

type Miners 

type Miners []*Miner

Miners is a parsable slice of Miner.

type MutateFunc 

type MutateFunc = ent.MutateFunc

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

type Mutation 

type Mutation = ent.Mutation

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

type Mutator 

type Mutator = ent.Mutator

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

type NotFoundError 

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

NotFoundError returns when trying to fetch a specific entity and it was not found in the database.

func (*NotFoundError) Error 

func (e *NotFoundError) Error() string

Error implements the error interface.

type NotLoadedError 

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

NotLoadedError returns when trying to get a node that was not loaded by the query.

func (*NotLoadedError) Error 

func (e *NotLoadedError) Error() string

Error implements the error interface.

type NotSingularError 

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

NotSingularError returns when trying to fetch a singular entity and more then one was found in the database.

func (*NotSingularError) Error 

func (e *NotSingularError) Error() string

Error implements the error interface.

type Op 

type Op = ent.Op

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

type Option 

type Option func(*config)

Option function to configure the client.

func Debug 

func Debug() Option

Debug enables debug logging on the ent.Driver.

func Driver 

func Driver(driver dialect.Driver) Option

Driver configures the client driver.

func Log 

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

Log sets the logging function for debug mode.

type OrderFunc 

type OrderFunc func(*sql.Selector)

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

func Asc 

func Asc(fields ...string) OrderFunc

Asc applies the given fields in ASC order.

func Desc 

func Desc(fields ...string) OrderFunc

Desc applies the given fields in DESC order.

type Policy 

type Policy = ent.Policy

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

type Query 

type Query = ent.Query

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

type RollbackFunc 

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

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

func (RollbackFunc) Rollback 

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

Rollback calls f(ctx, m).

type RollbackHook 

type RollbackHook func(Rollbacker) Rollbacker

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

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

type Rollbacker 

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

Rollbacker is the interface that wraps the Rollbacker method.

type Tx 

type Tx struct {

	// Miner is the client for interacting with the Miner builders.
	Miner *MinerClient
	// contains filtered or unexported fields
}

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

func TxFromContext 

func TxFromContext(ctx context.Context) *Tx

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

func (*Tx) Client 

func (tx *Tx) Client() *Client

Client returns a Client that binds to current transaction.

func (*Tx) Commit 

func (tx *Tx) Commit() error

Commit commits the transaction.

func (*Tx) OnCommit 

func (tx *Tx) OnCommit(f CommitHook)

OnCommit adds a hook to call on commit.

func (*Tx) OnRollback 

func (tx *Tx) OnRollback(f RollbackHook)

OnRollback adds a hook to call on rollback.

func (*Tx) Rollback 

func (tx *Tx) Rollback() error

Rollback rollbacks the transaction.

type ValidationError 

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

ValidationError returns when validating a field fails.

func (*ValidationError) Error 

func (e *ValidationError) Error() string

Error implements the error interface.

func (*ValidationError) Unwrap 

func (e *ValidationError) Unwrap() error

Unwrap implements the errors.Wrapper interface.

type Value 

type Value = ent.Value

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

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