ent

package
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 Go to latest Published: Oct 25, 2021 License: Apache-2.0 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.
	TypeServices = "Services"
)

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 Client 

type Client struct {

	// Schema is the client for creating, migrating and dropping schema.
	Schema *migrate.Schema
	// Services is the client for interacting with the Services builders.
	Services *ServicesClient
	// 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().
	Services.
	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 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(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 Services 

type Services struct {

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

Services is the model entity for the Services schema.

func (*Services) String 

func (s *Services) String() string

String implements the fmt.Stringer.

func (*Services) Unwrap 

func (s *Services) Unwrap() *Services

Unwrap unwraps the Services 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 (*Services) Update 

func (s *Services) Update() *ServicesUpdateOne

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

type ServicesClient 

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

ServicesClient is a client for the Services schema.

func NewServicesClient 

func NewServicesClient(c config) *ServicesClient

NewServicesClient returns a client for the Services from the given config.

func (*ServicesClient) Create 

func (c *ServicesClient) Create() *ServicesCreate

Create returns a create builder for Services.

func (*ServicesClient) CreateBulk 

func (c *ServicesClient) CreateBulk(builders ...*ServicesCreate) *ServicesCreateBulk

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

func (*ServicesClient) Delete 

func (c *ServicesClient) Delete() *ServicesDelete

Delete returns a delete builder for Services.

func (*ServicesClient) DeleteOne 

func (c *ServicesClient) DeleteOne(s *Services) *ServicesDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*ServicesClient) DeleteOneID 

func (c *ServicesClient) DeleteOneID(id int) *ServicesDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*ServicesClient) Get 

func (c *ServicesClient) Get(ctx context.Context, id int) (*Services, error)

Get returns a Services entity by its id.

func (*ServicesClient) GetX 

func (c *ServicesClient) GetX(ctx context.Context, id int) *Services

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

func (*ServicesClient) Hooks 

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

Hooks returns the client hooks.

func (*ServicesClient) Query 

func (c *ServicesClient) Query() *ServicesQuery

Query returns a query builder for Services.

func (*ServicesClient) Update 

func (c *ServicesClient) Update() *ServicesUpdate

Update returns an update builder for Services.

func (*ServicesClient) UpdateOne 

func (c *ServicesClient) UpdateOne(s *Services) *ServicesUpdateOne

UpdateOne returns an update builder for the given entity.

func (*ServicesClient) UpdateOneID 

func (c *ServicesClient) UpdateOneID(id int) *ServicesUpdateOne

UpdateOneID returns an update builder for the given id.

func (*ServicesClient) Use 

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

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

type ServicesCreate 

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

ServicesCreate is the builder for creating a Services entity.

func (*ServicesCreate) Exec 

func (sc *ServicesCreate) Exec(ctx context.Context) error

Exec executes the query.

func (*ServicesCreate) ExecX 

func (sc *ServicesCreate) ExecX(ctx context.Context)

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

func (*ServicesCreate) Mutation 

func (sc *ServicesCreate) Mutation() *ServicesMutation

Mutation returns the ServicesMutation object of the builder.

func (*ServicesCreate) Save 

func (sc *ServicesCreate) Save(ctx context.Context) (*Services, error)

Save creates the Services in the database.

func (*ServicesCreate) SaveX 

func (sc *ServicesCreate) SaveX(ctx context.Context) *Services

SaveX calls Save and panics if Save returns an error.

func (*ServicesCreate) SetData 

func (sc *ServicesCreate) SetData(s string) *ServicesCreate

SetData sets the "data" field.

func (*ServicesCreate) SetName 

func (sc *ServicesCreate) SetName(s string) *ServicesCreate

SetName sets the "name" field.

type ServicesCreateBulk 

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

ServicesCreateBulk is the builder for creating many Services entities in bulk.

func (*ServicesCreateBulk) Exec 

func (scb *ServicesCreateBulk) Exec(ctx context.Context) error

Exec executes the query.

func (*ServicesCreateBulk) ExecX 

func (scb *ServicesCreateBulk) ExecX(ctx context.Context)

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

func (*ServicesCreateBulk) Save 

func (scb *ServicesCreateBulk) Save(ctx context.Context) ([]*Services, error)

Save creates the Services entities in the database.

func (*ServicesCreateBulk) SaveX 

func (scb *ServicesCreateBulk) SaveX(ctx context.Context) []*Services

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

type ServicesDelete 

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

ServicesDelete is the builder for deleting a Services entity.

func (*ServicesDelete) Exec 

func (sd *ServicesDelete) Exec(ctx context.Context) (int, error)

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

func (*ServicesDelete) ExecX 

func (sd *ServicesDelete) ExecX(ctx context.Context) int

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

func (*ServicesDelete) Where 

func (sd *ServicesDelete) Where(ps ...predicate.Services) *ServicesDelete

Where appends a list predicates to the ServicesDelete builder.

type ServicesDeleteOne 

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

ServicesDeleteOne is the builder for deleting a single Services entity.

func (*ServicesDeleteOne) Exec 

func (sdo *ServicesDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*ServicesDeleteOne) ExecX 

func (sdo *ServicesDeleteOne) ExecX(ctx context.Context)

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

type ServicesGroupBy 

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

ServicesGroupBy is the group-by builder for Services entities.

func (*ServicesGroupBy) Aggregate 

func (sgb *ServicesGroupBy) Aggregate(fns ...AggregateFunc) *ServicesGroupBy

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

func (*ServicesGroupBy) Bool 

func (sgb *ServicesGroupBy) Bool(ctx context.Context) (_ bool, err error)

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

func (*ServicesGroupBy) BoolX 

func (sgb *ServicesGroupBy) BoolX(ctx context.Context) bool

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

func (*ServicesGroupBy) Bools 

func (sgb *ServicesGroupBy) Bools(ctx context.Context) ([]bool, error)

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

func (*ServicesGroupBy) BoolsX 

func (sgb *ServicesGroupBy) BoolsX(ctx context.Context) []bool

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

func (*ServicesGroupBy) Float64 

func (sgb *ServicesGroupBy) Float64(ctx context.Context) (_ float64, err error)

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

func (*ServicesGroupBy) Float64X 

func (sgb *ServicesGroupBy) Float64X(ctx context.Context) float64

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

func (*ServicesGroupBy) Float64s 

func (sgb *ServicesGroupBy) Float64s(ctx context.Context) ([]float64, error)

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

func (*ServicesGroupBy) Float64sX 

func (sgb *ServicesGroupBy) Float64sX(ctx context.Context) []float64

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

func (*ServicesGroupBy) Int 

func (sgb *ServicesGroupBy) Int(ctx context.Context) (_ int, err error)

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

func (*ServicesGroupBy) IntX 

func (sgb *ServicesGroupBy) IntX(ctx context.Context) int

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

func (*ServicesGroupBy) Ints 

func (sgb *ServicesGroupBy) Ints(ctx context.Context) ([]int, error)

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

func (*ServicesGroupBy) IntsX 

func (sgb *ServicesGroupBy) IntsX(ctx context.Context) []int

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

func (*ServicesGroupBy) Scan 

func (sgb *ServicesGroupBy) Scan(ctx context.Context, v interface{}) error

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

func (*ServicesGroupBy) ScanX 

func (sgb *ServicesGroupBy) ScanX(ctx context.Context, v interface{})

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

func (*ServicesGroupBy) String 

func (sgb *ServicesGroupBy) String(ctx context.Context) (_ string, err error)

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

func (*ServicesGroupBy) StringX 

func (sgb *ServicesGroupBy) StringX(ctx context.Context) string

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

func (*ServicesGroupBy) Strings 

func (sgb *ServicesGroupBy) Strings(ctx context.Context) ([]string, error)

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

func (*ServicesGroupBy) StringsX 

func (sgb *ServicesGroupBy) StringsX(ctx context.Context) []string

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

type ServicesMutation 

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

ServicesMutation represents an operation that mutates the Services nodes in the graph.

func (*ServicesMutation) AddField 

func (m *ServicesMutation) 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 (*ServicesMutation) AddedEdges 

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

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

func (*ServicesMutation) AddedField 

func (m *ServicesMutation) 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 (*ServicesMutation) AddedFields 

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

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

func (*ServicesMutation) AddedIDs 

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

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

func (*ServicesMutation) ClearEdge 

func (m *ServicesMutation) 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 (*ServicesMutation) ClearField 

func (m *ServicesMutation) 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 (*ServicesMutation) ClearedEdges 

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

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

func (*ServicesMutation) ClearedFields 

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

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

func (ServicesMutation) Client 

func (m ServicesMutation) 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 (*ServicesMutation) Data 

func (m *ServicesMutation) Data() (r string, exists bool)

Data returns the value of the "data" field in the mutation.

func (*ServicesMutation) EdgeCleared 

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

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

func (*ServicesMutation) Field 

func (m *ServicesMutation) 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 (*ServicesMutation) FieldCleared 

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

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

func (*ServicesMutation) Fields 

func (m *ServicesMutation) 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 (*ServicesMutation) ID 

func (m *ServicesMutation) 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 (*ServicesMutation) Name 

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

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

func (*ServicesMutation) OldData 

func (m *ServicesMutation) OldData(ctx context.Context) (v string, err error)

OldData returns the old "data" field's value of the Services entity. If the Services 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 (*ServicesMutation) OldField 

func (m *ServicesMutation) 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 (*ServicesMutation) OldName 

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

OldName returns the old "name" field's value of the Services entity. If the Services 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 (*ServicesMutation) Op 

func (m *ServicesMutation) Op() Op

Op returns the operation name.

func (*ServicesMutation) RemovedEdges 

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

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

func (*ServicesMutation) RemovedIDs 

func (m *ServicesMutation) 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 (*ServicesMutation) ResetData 

func (m *ServicesMutation) ResetData()

ResetData resets all changes to the "data" field.

func (*ServicesMutation) ResetEdge 

func (m *ServicesMutation) 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 (*ServicesMutation) ResetField 

func (m *ServicesMutation) 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 (*ServicesMutation) ResetName 

func (m *ServicesMutation) ResetName()

ResetName resets all changes to the "name" field.

func (*ServicesMutation) SetData 

func (m *ServicesMutation) SetData(s string)

SetData sets the "data" field.

func (*ServicesMutation) SetField 

func (m *ServicesMutation) 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 (*ServicesMutation) SetName 

func (m *ServicesMutation) SetName(s string)

SetName sets the "name" field.

func (ServicesMutation) Tx 

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

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

func (*ServicesMutation) Type 

func (m *ServicesMutation) Type() string

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

func (*ServicesMutation) Where 

func (m *ServicesMutation) Where(ps ...predicate.Services)

Where appends a list predicates to the ServicesMutation builder.

type ServicesQuery 

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

ServicesQuery is the builder for querying Services entities.

func (*ServicesQuery) All 

func (sq *ServicesQuery) All(ctx context.Context) ([]*Services, error)

All executes the query and returns a list of ServicesSlice.

func (*ServicesQuery) AllX 

func (sq *ServicesQuery) AllX(ctx context.Context) []*Services

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

func (*ServicesQuery) Clone 

func (sq *ServicesQuery) Clone() *ServicesQuery

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

func (*ServicesQuery) Count 

func (sq *ServicesQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*ServicesQuery) CountX 

func (sq *ServicesQuery) CountX(ctx context.Context) int

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

func (*ServicesQuery) Exist 

func (sq *ServicesQuery) Exist(ctx context.Context) (bool, error)

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

func (*ServicesQuery) ExistX 

func (sq *ServicesQuery) ExistX(ctx context.Context) bool

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

func (*ServicesQuery) First 

func (sq *ServicesQuery) First(ctx context.Context) (*Services, error)

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

func (*ServicesQuery) FirstID 

func (sq *ServicesQuery) FirstID(ctx context.Context) (id int, err error)

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

func (*ServicesQuery) FirstIDX 

func (sq *ServicesQuery) FirstIDX(ctx context.Context) int

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

func (*ServicesQuery) FirstX 

func (sq *ServicesQuery) FirstX(ctx context.Context) *Services

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

func (*ServicesQuery) GroupBy 

func (sq *ServicesQuery) GroupBy(field string, fields ...string) *ServicesGroupBy

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 {
	Name string `json:"name,omitempty"`
	Count int `json:"count,omitempty"`
}

client.Services.Query().
	GroupBy(services.FieldName).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*ServicesQuery) IDs 

func (sq *ServicesQuery) IDs(ctx context.Context) ([]int, error)

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

func (*ServicesQuery) IDsX 

func (sq *ServicesQuery) IDsX(ctx context.Context) []int

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

func (*ServicesQuery) Limit 

func (sq *ServicesQuery) Limit(limit int) *ServicesQuery

Limit adds a limit step to the query.

func (*ServicesQuery) Offset 

func (sq *ServicesQuery) Offset(offset int) *ServicesQuery

Offset adds an offset step to the query.

func (*ServicesQuery) Only 

func (sq *ServicesQuery) Only(ctx context.Context) (*Services, error)

Only returns a single Services entity found by the query, ensuring it only returns one. Returns a *NotSingularError when exactly one Services entity is not found. Returns a *NotFoundError when no Services entities are found.

func (*ServicesQuery) OnlyID 

func (sq *ServicesQuery) OnlyID(ctx context.Context) (id int, err error)

OnlyID is like Only, but returns the only Services ID in the query. Returns a *NotSingularError when exactly one Services ID is not found. Returns a *NotFoundError when no entities are found.

func (*ServicesQuery) OnlyIDX 

func (sq *ServicesQuery) OnlyIDX(ctx context.Context) int

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

func (*ServicesQuery) OnlyX 

func (sq *ServicesQuery) OnlyX(ctx context.Context) *Services

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

func (*ServicesQuery) Order 

func (sq *ServicesQuery) Order(o ...OrderFunc) *ServicesQuery

Order adds an order step to the query.

func (*ServicesQuery) Select 

func (sq *ServicesQuery) Select(fields ...string) *ServicesSelect

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 {
	Name string `json:"name,omitempty"`
}

client.Services.Query().
	Select(services.FieldName).
	Scan(ctx, &v)

func (*ServicesQuery) Unique 

func (sq *ServicesQuery) Unique(unique bool) *ServicesQuery

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 (*ServicesQuery) Where 

func (sq *ServicesQuery) Where(ps ...predicate.Services) *ServicesQuery

Where adds a new predicate for the ServicesQuery builder.

type ServicesSelect 

type ServicesSelect struct {
	*ServicesQuery
	// contains filtered or unexported fields
}

ServicesSelect is the builder for selecting fields of Services entities.

func (*ServicesSelect) Bool 

func (ss *ServicesSelect) Bool(ctx context.Context) (_ bool, err error)

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

func (*ServicesSelect) BoolX 

func (ss *ServicesSelect) BoolX(ctx context.Context) bool

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

func (*ServicesSelect) Bools 

func (ss *ServicesSelect) Bools(ctx context.Context) ([]bool, error)

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

func (*ServicesSelect) BoolsX 

func (ss *ServicesSelect) BoolsX(ctx context.Context) []bool

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

func (*ServicesSelect) Float64 

func (ss *ServicesSelect) Float64(ctx context.Context) (_ float64, err error)

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

func (*ServicesSelect) Float64X 

func (ss *ServicesSelect) Float64X(ctx context.Context) float64

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

func (*ServicesSelect) Float64s 

func (ss *ServicesSelect) Float64s(ctx context.Context) ([]float64, error)

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

func (*ServicesSelect) Float64sX 

func (ss *ServicesSelect) Float64sX(ctx context.Context) []float64

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

func (*ServicesSelect) Int 

func (ss *ServicesSelect) Int(ctx context.Context) (_ int, err error)

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

func (*ServicesSelect) IntX 

func (ss *ServicesSelect) IntX(ctx context.Context) int

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

func (*ServicesSelect) Ints 

func (ss *ServicesSelect) Ints(ctx context.Context) ([]int, error)

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

func (*ServicesSelect) IntsX 

func (ss *ServicesSelect) IntsX(ctx context.Context) []int

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

func (*ServicesSelect) Scan 

func (ss *ServicesSelect) Scan(ctx context.Context, v interface{}) error

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

func (*ServicesSelect) ScanX 

func (ss *ServicesSelect) ScanX(ctx context.Context, v interface{})

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

func (*ServicesSelect) String 

func (ss *ServicesSelect) String(ctx context.Context) (_ string, err error)

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

func (*ServicesSelect) StringX 

func (ss *ServicesSelect) StringX(ctx context.Context) string

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

func (*ServicesSelect) Strings 

func (ss *ServicesSelect) Strings(ctx context.Context) ([]string, error)

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

func (*ServicesSelect) StringsX 

func (ss *ServicesSelect) StringsX(ctx context.Context) []string

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

type ServicesSlice 

type ServicesSlice []*Services

ServicesSlice is a parsable slice of Services.

type ServicesUpdate 

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

ServicesUpdate is the builder for updating Services entities.

func (*ServicesUpdate) Exec 

func (su *ServicesUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*ServicesUpdate) ExecX 

func (su *ServicesUpdate) ExecX(ctx context.Context)

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

func (*ServicesUpdate) Mutation 

func (su *ServicesUpdate) Mutation() *ServicesMutation

Mutation returns the ServicesMutation object of the builder.

func (*ServicesUpdate) Save 

func (su *ServicesUpdate) Save(ctx context.Context) (int, error)

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

func (*ServicesUpdate) SaveX 

func (su *ServicesUpdate) SaveX(ctx context.Context) int

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

func (*ServicesUpdate) SetData 

func (su *ServicesUpdate) SetData(s string) *ServicesUpdate

SetData sets the "data" field.

func (*ServicesUpdate) Where 

func (su *ServicesUpdate) Where(ps ...predicate.Services) *ServicesUpdate

Where appends a list predicates to the ServicesUpdate builder.

type ServicesUpdateOne 

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

ServicesUpdateOne is the builder for updating a single Services entity.

func (*ServicesUpdateOne) Exec 

func (suo *ServicesUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*ServicesUpdateOne) ExecX 

func (suo *ServicesUpdateOne) ExecX(ctx context.Context)

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

func (*ServicesUpdateOne) Mutation 

func (suo *ServicesUpdateOne) Mutation() *ServicesMutation

Mutation returns the ServicesMutation object of the builder.

func (*ServicesUpdateOne) Save 

func (suo *ServicesUpdateOne) Save(ctx context.Context) (*Services, error)

Save executes the query and returns the updated Services entity.

func (*ServicesUpdateOne) SaveX 

func (suo *ServicesUpdateOne) SaveX(ctx context.Context) *Services

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

func (*ServicesUpdateOne) Select 

func (suo *ServicesUpdateOne) Select(field string, fields ...string) *ServicesUpdateOne

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

func (*ServicesUpdateOne) SetData 

func (suo *ServicesUpdateOne) SetData(s string) *ServicesUpdateOne

SetData sets the "data" field.

type Tx 

type Tx struct {

	// Services is the client for interacting with the Services builders.
	Services *ServicesClient
	// 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 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 conflicts in user's code.

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