Documentation

Index

Constants

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

	// Node types.
	TypeGroup = "Group"
	TypeUser  = "User"
)

Variables

This section is empty.

Functions

func IsConstraintError

func IsConstraintError(err error) bool

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

func IsNotFound

func IsNotFound(err error) bool

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

func IsNotLoaded

func IsNotLoaded(err error) bool

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

func IsNotSingular

func IsNotSingular(err error) bool

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

func IsValidationError

func IsValidationError(err error) bool

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

func MaskNotFound

func MaskNotFound(err error) error

MaskNotFound masks not found error.

func NewContext

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

NewContext returns a new context with the given Client attached.

func NewTxContext

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

NewTxContext returns a new context with the given Client attached.

Types

type AggregateFunc

type AggregateFunc func(*sql.Selector, func(string) bool) string

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

func As

func As(fn AggregateFunc, end string) AggregateFunc

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

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

func Count

func Count() AggregateFunc

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

func Max

func Max(field string) AggregateFunc

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

func Mean

func Mean(field string) AggregateFunc

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

func Min

func Min(field string) AggregateFunc

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

func Sum

func Sum(field string) AggregateFunc

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

type Client

type Client struct {

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

Client is the client that holds all ent builders.

func FromContext

func FromContext(ctx context.Context) *Client

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

func NewClient

func NewClient(opts ...Option) *Client

NewClient creates a new client configured with the given options.

func Open

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

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

func (*Client) BeginTx

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

BeginTx returns a transactional client with options.

func (*Client) Close

func (c *Client) Close() error

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

func (*Client) Debug

func (c *Client) Debug() *Client

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

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

func (*Client) Tx

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

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

func (*Client) Use

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

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

type CommitFunc

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

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

func (CommitFunc) Commit

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

Commit calls f(ctx, m).

type CommitHook

type CommitHook func(Committer) Committer

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

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

type Committer

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

Committer is the interface that wraps the Committer method.

type ConstraintError

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

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

func (ConstraintError) Error

func (e ConstraintError) Error() string

Error implements the error interface.

func (*ConstraintError) Unwrap

func (e *ConstraintError) Unwrap() error

Unwrap implements the errors.Wrapper interface.

type Group

type Group struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// Name holds the value of the "name" field.
	Name string `json:"name,omitempty"`
	// Edges holds the relations/edges for other nodes in the graph.
	// The values are being populated by the GroupQuery when eager-loading is set.
	Edges GroupEdges `json:"edges"`
	// contains filtered or unexported fields
}

Group is the model entity for the Group schema.

func (*Group) QueryUsers

func (gr *Group) QueryUsers() *UserQuery

QueryUsers queries the users edge of the Group.

func (*Group) String

func (gr *Group) String() string

String implements the fmt.Stringer.

func (*Group) Unwrap

func (gr *Group) Unwrap() *Group

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

func (*Group) Update

func (gr *Group) Update() *GroupUpdateOne

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

type GroupClient

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

GroupClient is a client for the Group schema.

func NewGroupClient

func NewGroupClient(c config) *GroupClient

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

func (*GroupClient) Create

func (c *GroupClient) Create() *GroupCreate

Create returns a create builder for Group.

func (*GroupClient) CreateBulk

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

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

func (*GroupClient) Delete

func (c *GroupClient) Delete() *GroupDelete

Delete returns a delete builder for Group.

func (*GroupClient) DeleteOne

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

DeleteOne returns a delete builder for the given entity.

func (*GroupClient) DeleteOneID

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

DeleteOneID returns a delete builder for the given id.

func (*GroupClient) Get

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

Get returns a Group entity by its id.

func (*GroupClient) GetX

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

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

func (*GroupClient) Hooks

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

Hooks returns the client hooks.

func (*GroupClient) Query

func (c *GroupClient) Query() *GroupQuery

Query returns a query builder for Group.

func (*GroupClient) QueryUsers

func (c *GroupClient) QueryUsers(gr *Group) *UserQuery

QueryUsers queries the users edge of a Group.

func (*GroupClient) Update

func (c *GroupClient) Update() *GroupUpdate

Update returns an update builder for Group.

func (*GroupClient) UpdateOne

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

UpdateOne returns an update builder for the given entity.

func (*GroupClient) UpdateOneID

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

UpdateOneID returns an update builder for the given id.

func (*GroupClient) Use

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

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

type GroupCreate

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

GroupCreate is the builder for creating a Group entity.

func (*GroupCreate) AddUserIDs

func (gc *GroupCreate) AddUserIDs(ids ...int) *GroupCreate

AddUserIDs adds the users edge to User by ids.

func (*GroupCreate) AddUsers

func (gc *GroupCreate) AddUsers(u ...*User) *GroupCreate

AddUsers adds the users edges to User.

func (*GroupCreate) Mutation

func (gc *GroupCreate) Mutation() *GroupMutation

Mutation returns the GroupMutation object of the builder.

func (*GroupCreate) Save

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

Save creates the Group in the database.

func (*GroupCreate) SaveX

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

SaveX calls Save and panics if Save returns an error.

func (*GroupCreate) SetName

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

SetName sets the name field.

type GroupCreateBulk

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

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

func (*GroupCreateBulk) Save

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

Save creates the Group entities in the database.

func (*GroupCreateBulk) SaveX

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

SaveX calls Save and panics if Save returns an error.

type GroupDelete

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

GroupDelete is the builder for deleting a Group entity.

func (*GroupDelete) Exec

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

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

func (*GroupDelete) ExecX

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

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

func (*GroupDelete) Where

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

Where adds a new predicate to the delete builder.

type GroupDeleteOne

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

GroupDeleteOne is the builder for deleting a single Group entity.

func (*GroupDeleteOne) Exec

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

Exec executes the deletion query.

func (*GroupDeleteOne) ExecX

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

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

type GroupEdges

type GroupEdges struct {
	// Users holds the value of the users edge.
	Users []*User
	// contains filtered or unexported fields
}

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

func (GroupEdges) UsersOrErr

func (e GroupEdges) UsersOrErr() ([]*User, error)

UsersOrErr returns the Users value or an error if the edge was not loaded in eager-loading.

type GroupGroupBy

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

GroupGroupBy is the builder for group-by Group entities.

func (*GroupGroupBy) Aggregate

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

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

func (*GroupGroupBy) Bool

func (ggb *GroupGroupBy) Bool(ctx context.Context) (_ bool, err error)

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

func (*GroupGroupBy) BoolX

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

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

func (*GroupGroupBy) Bools

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

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

func (*GroupGroupBy) BoolsX

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

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

func (*GroupGroupBy) Float64

func (ggb *GroupGroupBy) Float64(ctx context.Context) (_ float64, err error)

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

func (*GroupGroupBy) Float64X

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

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

func (*GroupGroupBy) Float64s

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

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

func (*GroupGroupBy) Float64sX

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

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

func (*GroupGroupBy) Int

func (ggb *GroupGroupBy) Int(ctx context.Context) (_ int, err error)

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

func (*GroupGroupBy) IntX

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

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

func (*GroupGroupBy) Ints

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

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

func (*GroupGroupBy) IntsX

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

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

func (*GroupGroupBy) Scan

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

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

func (*GroupGroupBy) ScanX

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

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

func (*GroupGroupBy) String

func (ggb *GroupGroupBy) String(ctx context.Context) (_ string, err error)

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

func (*GroupGroupBy) StringX

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

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

func (*GroupGroupBy) Strings

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

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

func (*GroupGroupBy) StringsX

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

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

type GroupMutation

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

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

func (*GroupMutation) AddField

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

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

func (*GroupMutation) AddUserIDs

func (m *GroupMutation) AddUserIDs(ids ...int)

AddUserIDs adds the users edge to User by ids.

func (*GroupMutation) AddedEdges

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

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

func (*GroupMutation) AddedField

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

AddedField returns the numeric value that was in/decremented from a field with the given name. The second value indicates that this field was not set, or was not define in the schema.

func (*GroupMutation) AddedFields

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

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

func (*GroupMutation) AddedIDs

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

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

func (*GroupMutation) ClearEdge

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

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

func (*GroupMutation) ClearField

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

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

func (*GroupMutation) ClearUsers

func (m *GroupMutation) ClearUsers()

ClearUsers clears the users edge to User.

func (*GroupMutation) ClearedEdges

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

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

func (*GroupMutation) ClearedFields

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

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

func (GroupMutation) Client

func (m GroupMutation) Client() *Client

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

func (*GroupMutation) EdgeCleared

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

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

func (*GroupMutation) Field

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

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

func (*GroupMutation) FieldCleared

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

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

func (*GroupMutation) Fields

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

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

func (*GroupMutation) ID

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

ID returns the id value in the mutation. Note that, the id is available only if it was provided to the builder.

func (*GroupMutation) Name

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

Name returns the name value in the mutation.

func (*GroupMutation) OldField

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

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

func (*GroupMutation) OldName

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

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

func (*GroupMutation) Op

func (m *GroupMutation) Op() Op

Op returns the operation name.

func (*GroupMutation) RemoveUserIDs

func (m *GroupMutation) RemoveUserIDs(ids ...int)

RemoveUserIDs removes the users edge to User by ids.

func (*GroupMutation) RemovedEdges

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

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

func (*GroupMutation) RemovedIDs

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

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

func (*GroupMutation) RemovedUsersIDs

func (m *GroupMutation) RemovedUsersIDs() (ids []int)

RemovedUsers returns the removed ids of users.

func (*GroupMutation) ResetEdge

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

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

func (*GroupMutation) ResetField

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

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

func (*GroupMutation) ResetName

func (m *GroupMutation) ResetName()

ResetName reset all changes of the "name" field.

func (*GroupMutation) ResetUsers

func (m *GroupMutation) ResetUsers()

ResetUsers reset all changes of the "users" edge.

func (*GroupMutation) SetField

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

SetField sets the value for the given name. It returns an error if the field is not defined in the schema, or if the type mismatch the field type.

func (*GroupMutation) SetName

func (m *GroupMutation) SetName(s string)

SetName sets the name field.

func (GroupMutation) Tx

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

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

func (*GroupMutation) Type

func (m *GroupMutation) Type() string

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

func (*GroupMutation) UsersCleared

func (m *GroupMutation) UsersCleared() bool

UsersCleared returns if the edge users was cleared.

func (*GroupMutation) UsersIDs

func (m *GroupMutation) UsersIDs() (ids []int)

UsersIDs returns the users ids in the mutation.

type GroupQuery

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

GroupQuery is the builder for querying Group entities.

func (*GroupQuery) All

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

All executes the query and returns a list of Groups.

func (*GroupQuery) AllX

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

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

func (*GroupQuery) Clone

func (gq *GroupQuery) Clone() *GroupQuery

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

func (*GroupQuery) Count

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

Count returns the count of the given query.

func (*GroupQuery) CountX

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

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

func (*GroupQuery) Exist

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

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

func (*GroupQuery) ExistX

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

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

func (*GroupQuery) First

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

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

func (*GroupQuery) FirstID

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

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

func (*GroupQuery) FirstIDX

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

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

func (*GroupQuery) FirstX

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

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

func (*GroupQuery) GroupBy

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

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

Example:

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

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

func (*GroupQuery) IDs

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

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

func (*GroupQuery) IDsX

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

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

func (*GroupQuery) Limit

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

Limit adds a limit step to the query.

func (*GroupQuery) Offset

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

Offset adds an offset step to the query.

func (*GroupQuery) Only

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

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

func (*GroupQuery) OnlyID

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

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

func (*GroupQuery) OnlyIDX

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

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

func (*GroupQuery) OnlyX

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

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

func (*GroupQuery) Order

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

Order adds an order step to the query.

func (*GroupQuery) QueryUsers

func (gq *GroupQuery) QueryUsers() *UserQuery

QueryUsers chains the current query on the users edge.

func (*GroupQuery) Select

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

Select one or more fields from the given query.

Example:

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

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

func (*GroupQuery) Where

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

Where adds a new predicate for the builder.

func (*GroupQuery) WithUsers

func (gq *GroupQuery) WithUsers(opts ...func(*UserQuery)) *GroupQuery
WithUsers tells the query-builder to eager-loads the nodes that are connected to

the "users" edge. The optional arguments used to configure the query builder of the edge.

type GroupSelect

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

GroupSelect is the builder for select fields of Group entities.

func (*GroupSelect) Bool

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

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

func (*GroupSelect) BoolX

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

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

func (*GroupSelect) Bools

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

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

func (*GroupSelect) BoolsX

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

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

func (*GroupSelect) Float64

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

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

func (*GroupSelect) Float64X

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

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

func (*GroupSelect) Float64s

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

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

func (*GroupSelect) Float64sX

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

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

func (*GroupSelect) Int

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

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

func (*GroupSelect) IntX

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

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

func (*GroupSelect) Ints

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

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

func (*GroupSelect) IntsX

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

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

func (*GroupSelect) Scan

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

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

func (*GroupSelect) ScanX

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

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

func (*GroupSelect) String

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

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

func (*GroupSelect) StringX

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

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

func (*GroupSelect) Strings

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

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

func (*GroupSelect) StringsX

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

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

type GroupUpdate

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

GroupUpdate is the builder for updating Group entities.

func (*GroupUpdate) AddUserIDs

func (gu *GroupUpdate) AddUserIDs(ids ...int) *GroupUpdate

AddUserIDs adds the users edge to User by ids.

func (*GroupUpdate) AddUsers

func (gu *GroupUpdate) AddUsers(u ...*User) *GroupUpdate

AddUsers adds the users edges to User.

func (*GroupUpdate) ClearUsers

func (gu *GroupUpdate) ClearUsers() *GroupUpdate

ClearUsers clears all "users" edges to type User.

func (*GroupUpdate) Exec

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

Exec executes the query.

func (*GroupUpdate) ExecX

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

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

func (*GroupUpdate) Mutation

func (gu *GroupUpdate) Mutation() *GroupMutation

Mutation returns the GroupMutation object of the builder.

func (*GroupUpdate) RemoveUserIDs

func (gu *GroupUpdate) RemoveUserIDs(ids ...int) *GroupUpdate

RemoveUserIDs removes the users edge to User by ids.

func (*GroupUpdate) RemoveUsers

func (gu *GroupUpdate) RemoveUsers(u ...*User) *GroupUpdate

RemoveUsers removes users edges to User.

func (*GroupUpdate) Save

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

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

func (*GroupUpdate) SaveX

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

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

func (*GroupUpdate) SetName

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

SetName sets the name field.

func (*GroupUpdate) Where

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

Where adds a new predicate for the builder.

type GroupUpdateOne

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

GroupUpdateOne is the builder for updating a single Group entity.

func (*GroupUpdateOne) AddUserIDs

func (guo *GroupUpdateOne) AddUserIDs(ids ...int) *GroupUpdateOne

AddUserIDs adds the users edge to User by ids.

func (*GroupUpdateOne) AddUsers

func (guo *GroupUpdateOne) AddUsers(u ...*User) *GroupUpdateOne

AddUsers adds the users edges to User.

func (*GroupUpdateOne) ClearUsers

func (guo *GroupUpdateOne) ClearUsers() *GroupUpdateOne

ClearUsers clears all "users" edges to type User.

func (*GroupUpdateOne) Exec

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

Exec executes the query on the entity.

func (*GroupUpdateOne) ExecX

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

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

func (*GroupUpdateOne) Mutation

func (guo *GroupUpdateOne) Mutation() *GroupMutation

Mutation returns the GroupMutation object of the builder.

func (*GroupUpdateOne) RemoveUserIDs

func (guo *GroupUpdateOne) RemoveUserIDs(ids ...int) *GroupUpdateOne

RemoveUserIDs removes the users edge to User by ids.

func (*GroupUpdateOne) RemoveUsers

func (guo *GroupUpdateOne) RemoveUsers(u ...*User) *GroupUpdateOne

RemoveUsers removes users edges to User.

func (*GroupUpdateOne) Save

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

Save executes the query and returns the updated entity.

func (*GroupUpdateOne) SaveX

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

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

func (*GroupUpdateOne) SetName

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

SetName sets the name field.

type Groups

type Groups []*Group

Groups is a parsable slice of Group.

type Hook

type Hook = ent.Hook

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

type MutateFunc

type MutateFunc = ent.MutateFunc

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

type Mutation

type Mutation = ent.Mutation

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

type Mutator

type Mutator = ent.Mutator

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

type NotFoundError

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

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

func (*NotFoundError) Error

func (e *NotFoundError) Error() string

Error implements the error interface.

type NotLoadedError

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

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

func (*NotLoadedError) Error

func (e *NotLoadedError) Error() string

Error implements the error interface.

type NotSingularError

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

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

func (*NotSingularError) Error

func (e *NotSingularError) Error() string

Error implements the error interface.

type Op

type Op = ent.Op

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

type Option

type Option func(*config)

Option function to configure the client.

func Debug

func Debug() Option

Debug enables debug logging on the ent.Driver.

func Driver

func Driver(driver dialect.Driver) Option

Driver configures the client driver.

func Log

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

Log sets the logging function for debug mode.

type OrderFunc

type OrderFunc func(*sql.Selector, func(string) bool)

OrderFunc applies an ordering on the sql selector.

func Asc

func Asc(fields ...string) OrderFunc

Asc applies the given fields in ASC order.

func Desc

func Desc(fields ...string) OrderFunc

Desc applies the given fields in DESC order.

type Policy

type Policy = ent.Policy

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

type Query

type Query = ent.Query

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

type RollbackFunc

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

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

func (RollbackFunc) Rollback

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

Rollback calls f(ctx, m).

type RollbackHook

type RollbackHook func(Rollbacker) Rollbacker

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

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

type Rollbacker

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

Rollbacker is the interface that wraps the Rollbacker method.

type Tx

type Tx struct {

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

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

func TxFromContext

func TxFromContext(ctx context.Context) *Tx

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

func (*Tx) Client

func (tx *Tx) Client() *Client

Client returns a Client that binds to current transaction.

func (*Tx) Commit

func (tx *Tx) Commit() error

Commit commits the transaction.

func (*Tx) OnCommit

func (tx *Tx) OnCommit(f CommitHook)

OnCommit adds a hook to call on commit.

func (*Tx) OnRollback

func (tx *Tx) OnRollback(f RollbackHook)

OnRollback adds a hook to call on rollback.

func (*Tx) Rollback

func (tx *Tx) Rollback() error

Rollback rollbacks the transaction.

type User

type User struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// Age holds the value of the "age" field.
	Age int `json:"age,omitempty"`
	// Name holds the value of the "name" field.
	Name string `json:"name,omitempty"`
	// Edges holds the relations/edges for other nodes in the graph.
	// The values are being populated by the UserQuery when eager-loading is set.
	Edges UserEdges `json:"edges"`
	// contains filtered or unexported fields
}

User is the model entity for the User schema.

func (*User) QueryGroups

func (u *User) QueryGroups() *GroupQuery

QueryGroups queries the groups edge of the User.

func (*User) String

func (u *User) String() string

String implements the fmt.Stringer.

func (*User) Unwrap

func (u *User) Unwrap() *User

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

func (*User) Update

func (u *User) Update() *UserUpdateOne

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

type UserClient

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

UserClient is a client for the User schema.

func NewUserClient

func NewUserClient(c config) *UserClient

NewUserClient returns a client for the User from the given config.

func (*UserClient) Create

func (c *UserClient) Create() *UserCreate

Create returns a create builder for User.

func (*UserClient) CreateBulk

func (c *UserClient) CreateBulk(builders ...*UserCreate) *UserCreateBulk

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

func (*UserClient) Delete

func (c *UserClient) Delete() *UserDelete

Delete returns a delete builder for User.

func (*UserClient) DeleteOne

func (c *UserClient) DeleteOne(u *User) *UserDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*UserClient) DeleteOneID

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

DeleteOneID returns a delete builder for the given id.

func (*UserClient) Get

func (c *UserClient) Get(ctx context.Context, id int) (*User, error)

Get returns a User entity by its id.

func (*UserClient) GetX

func (c *UserClient) GetX(ctx context.Context, id int) *User

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

func (*UserClient) Hooks

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

Hooks returns the client hooks.

func (*UserClient) Query

func (c *UserClient) Query() *UserQuery

Query returns a query builder for User.

func (*UserClient) QueryGroups

func (c *UserClient) QueryGroups(u *User) *GroupQuery

QueryGroups queries the groups edge of a User.

func (*UserClient) Update

func (c *UserClient) Update() *UserUpdate

Update returns an update builder for User.

func (*UserClient) UpdateOne

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

UpdateOne returns an update builder for the given entity.

func (*UserClient) UpdateOneID

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

UpdateOneID returns an update builder for the given id.

func (*UserClient) Use

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

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

type UserCreate

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

UserCreate is the builder for creating a User entity.

func (*UserCreate) AddGroupIDs

func (uc *UserCreate) AddGroupIDs(ids ...int) *UserCreate

AddGroupIDs adds the groups edge to Group by ids.

func (*UserCreate) AddGroups

func (uc *UserCreate) AddGroups(g ...*Group) *UserCreate

AddGroups adds the groups edges to Group.

func (*UserCreate) Mutation

func (uc *UserCreate) Mutation() *UserMutation

Mutation returns the UserMutation object of the builder.

func (*UserCreate) Save

func (uc *UserCreate) Save(ctx context.Context) (*User, error)

Save creates the User in the database.

func (*UserCreate) SaveX

func (uc *UserCreate) SaveX(ctx context.Context) *User

SaveX calls Save and panics if Save returns an error.

func (*UserCreate) SetAge

func (uc *UserCreate) SetAge(i int) *UserCreate

SetAge sets the age field.

func (*UserCreate) SetName

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

SetName sets the name field.

type UserCreateBulk

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

UserCreateBulk is the builder for creating a bulk of User entities.

func (*UserCreateBulk) Save

func (ucb *UserCreateBulk) Save(ctx context.Context) ([]*User, error)

Save creates the User entities in the database.

func (*UserCreateBulk) SaveX

func (ucb *UserCreateBulk) SaveX(ctx context.Context) []*User

SaveX calls Save and panics if Save returns an error.

type UserDelete

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

UserDelete is the builder for deleting a User entity.

func (*UserDelete) Exec

func (ud *UserDelete) Exec(ctx context.Context) (int, error)

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

func (*UserDelete) ExecX

func (ud *UserDelete) ExecX(ctx context.Context) int

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

func (*UserDelete) Where

func (ud *UserDelete) Where(ps ...predicate.User) *UserDelete

Where adds a new predicate to the delete builder.

type UserDeleteOne

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

UserDeleteOne is the builder for deleting a single User entity.

func (*UserDeleteOne) Exec

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

Exec executes the deletion query.

func (*UserDeleteOne) ExecX

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

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

type UserEdges

type UserEdges struct {
	// Groups holds the value of the groups edge.
	Groups []*Group
	// contains filtered or unexported fields
}

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

func (UserEdges) GroupsOrErr

func (e UserEdges) GroupsOrErr() ([]*Group, error)

GroupsOrErr returns the Groups value or an error if the edge was not loaded in eager-loading.

type UserGroupBy

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

UserGroupBy is the builder for group-by User entities.

func (*UserGroupBy) Aggregate

func (ugb *UserGroupBy) Aggregate(fns ...AggregateFunc) *UserGroupBy

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

func (*UserGroupBy) Bool

func (ugb *UserGroupBy) Bool(ctx context.Context) (_ bool, err error)

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

func (*UserGroupBy) BoolX

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

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

func (*UserGroupBy) Bools

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

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

func (*UserGroupBy) BoolsX

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

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

func (*UserGroupBy) Float64

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

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

func (*UserGroupBy) Float64X

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

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

func (*UserGroupBy) Float64s

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

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

func (*UserGroupBy) Float64sX

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

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

func (*UserGroupBy) Int

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

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

func (*UserGroupBy) IntX

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

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

func (*UserGroupBy) Ints

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

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

func (*UserGroupBy) IntsX

func (ugb *UserGroupBy) IntsX(ctx context.Context) []int

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

func (*UserGroupBy) Scan

func (ugb *UserGroupBy) Scan(ctx context.Context, v interface{}) error

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

func (*UserGroupBy) ScanX

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

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

func (*UserGroupBy) String

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

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

func (*UserGroupBy) StringX

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

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

func (*UserGroupBy) Strings

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

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

func (*UserGroupBy) StringsX

func (ugb *UserGroupBy) StringsX(ctx context.Context) []string

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

type UserMutation

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

UserMutation represents an operation that mutate the Users nodes in the graph.

func (*UserMutation) AddAge

func (m *UserMutation) AddAge(i int)

AddAge adds i to age.

func (*UserMutation) AddField

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

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

func (*UserMutation) AddGroupIDs

func (m *UserMutation) AddGroupIDs(ids ...int)

AddGroupIDs adds the groups edge to Group by ids.

func (*UserMutation) AddedAge

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

AddedAge returns the value that was added to the age field in this mutation.

func (*UserMutation) AddedEdges

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

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

func (*UserMutation) AddedField

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

AddedField returns the numeric value that was in/decremented from a field with the given name. The second value indicates that this field was not set, or was not define in the schema.

func (*UserMutation) AddedFields

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

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

func (*UserMutation) AddedIDs

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

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

func (*UserMutation) Age

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

Age returns the age value in the mutation.

func (*UserMutation) ClearEdge

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

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

func (*UserMutation) ClearField

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

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

func (*UserMutation) ClearGroups

func (m *UserMutation) ClearGroups()

ClearGroups clears the groups edge to Group.

func (*UserMutation) ClearedEdges

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

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

func (*UserMutation) ClearedFields

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

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

func (UserMutation) Client

func (m UserMutation) Client() *Client

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

func (*UserMutation) EdgeCleared

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

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

func (*UserMutation) Field

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

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

func (*UserMutation) FieldCleared

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

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

func (*UserMutation) Fields

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

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

func (*UserMutation) GroupsCleared

func (m *UserMutation) GroupsCleared() bool

GroupsCleared returns if the edge groups was cleared.

func (*UserMutation) GroupsIDs

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

GroupsIDs returns the groups ids in the mutation.

func (*UserMutation) ID

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

ID returns the id value in the mutation. Note that, the id is available only if it was provided to the builder.

func (*UserMutation) Name

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

Name returns the name value in the mutation.

func (*UserMutation) OldAge

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

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

func (*UserMutation) OldField

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

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

func (*UserMutation) OldName

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

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

func (*UserMutation) Op

func (m *UserMutation) Op() Op

Op returns the operation name.

func (*UserMutation) RemoveGroupIDs

func (m *UserMutation) RemoveGroupIDs(ids ...int)

RemoveGroupIDs removes the groups edge to Group by ids.

func (*UserMutation) RemovedEdges

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

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

func (*UserMutation) RemovedGroupsIDs

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

RemovedGroups returns the removed ids of groups.

func (*UserMutation) RemovedIDs

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

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

func (*UserMutation) ResetAge

func (m *UserMutation) ResetAge()

ResetAge reset all changes of the "age" field.

func (*UserMutation) ResetEdge

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

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

func (*UserMutation) ResetField

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

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

func (*UserMutation) ResetGroups

func (m *UserMutation) ResetGroups()

ResetGroups reset all changes of the "groups" edge.

func (*UserMutation) ResetName

func (m *UserMutation) ResetName()

ResetName reset all changes of the "name" field.

func (*UserMutation) SetAge

func (m *UserMutation) SetAge(i int)

SetAge sets the age field.

func (*UserMutation) SetField

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

SetField sets the value for the given name. It returns an error if the field is not defined in the schema, or if the type mismatch the field type.

func (*UserMutation) SetName

func (m *UserMutation) SetName(s string)

SetName sets the name field.

func (UserMutation) Tx

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

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

func (*UserMutation) Type

func (m *UserMutation) Type() string

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

type UserQuery

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

UserQuery is the builder for querying User entities.

func (*UserQuery) All

func (uq *UserQuery) All(ctx context.Context) ([]*User, error)

All executes the query and returns a list of Users.

func (*UserQuery) AllX

func (uq *UserQuery) AllX(ctx context.Context) []*User

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

func (*UserQuery) Clone

func (uq *UserQuery) Clone() *UserQuery

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

func (*UserQuery) Count

func (uq *UserQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*UserQuery) CountX

func (uq *UserQuery) CountX(ctx context.Context) int

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

func (*UserQuery) Exist

func (uq *UserQuery) Exist(ctx context.Context) (bool, error)

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

func (*UserQuery) ExistX

func (uq *UserQuery) ExistX(ctx context.Context) bool

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

func (*UserQuery) First

func (uq *UserQuery) First(ctx context.Context) (*User, error)

First returns the first User entity in the query. Returns *NotFoundError when no user was found.

func (*UserQuery) FirstID

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

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

func (*UserQuery) FirstIDX

func (uq *UserQuery) FirstIDX(ctx context.Context) int

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

func (*UserQuery) FirstX

func (uq *UserQuery) FirstX(ctx context.Context) *User

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

func (*UserQuery) GroupBy

func (uq *UserQuery) GroupBy(field string, fields ...string) *UserGroupBy

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

Example:

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

client.User.Query().
	GroupBy(user.FieldAge).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*UserQuery) IDs

func (uq *UserQuery) IDs(ctx context.Context) ([]int, error)

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

func (*UserQuery) IDsX

func (uq *UserQuery) IDsX(ctx context.Context) []int

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

func (*UserQuery) Limit

func (uq *UserQuery) Limit(limit int) *UserQuery

Limit adds a limit step to the query.

func (*UserQuery) Offset

func (uq *UserQuery) Offset(offset int) *UserQuery

Offset adds an offset step to the query.

func (*UserQuery) Only

func (uq *UserQuery) Only(ctx context.Context) (*User, error)

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

func (*UserQuery) OnlyID

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

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

func (*UserQuery) OnlyIDX

func (uq *UserQuery) OnlyIDX(ctx context.Context) int

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

func (*UserQuery) OnlyX

func (uq *UserQuery) OnlyX(ctx context.Context) *User

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

func (*UserQuery) Order

func (uq *UserQuery) Order(o ...OrderFunc) *UserQuery

Order adds an order step to the query.

func (*UserQuery) QueryGroups

func (uq *UserQuery) QueryGroups() *GroupQuery

QueryGroups chains the current query on the groups edge.

func (*UserQuery) Select

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

Select one or more fields from the given query.

Example:

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

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

func (*UserQuery) Where

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

Where adds a new predicate for the builder.

func (*UserQuery) WithGroups

func (uq *UserQuery) WithGroups(opts ...func(*GroupQuery)) *UserQuery
WithGroups tells the query-builder to eager-loads the nodes that are connected to

the "groups" edge. The optional arguments used to configure the query builder of the edge.

type UserSelect

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

UserSelect is the builder for select fields of User entities.

func (*UserSelect) Bool

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

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

func (*UserSelect) BoolX

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

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

func (*UserSelect) Bools

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

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

func (*UserSelect) BoolsX

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

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

func (*UserSelect) Float64

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

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

func (*UserSelect) Float64X

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

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

func (*UserSelect) Float64s

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

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

func (*UserSelect) Float64sX

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

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

func (*UserSelect) Int

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

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

func (*UserSelect) IntX

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

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

func (*UserSelect) Ints

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

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

func (*UserSelect) IntsX

func (us *UserSelect) IntsX(ctx context.Context) []int

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

func (*UserSelect) Scan

func (us *UserSelect) Scan(ctx context.Context, v interface{}) error

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

func (*UserSelect) ScanX

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

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

func (*UserSelect) String

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

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

func (*UserSelect) StringX

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

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

func (*UserSelect) Strings

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

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

func (*UserSelect) StringsX

func (us *UserSelect) StringsX(ctx context.Context) []string

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

type UserUpdate

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

UserUpdate is the builder for updating User entities.

func (*UserUpdate) AddAge

func (uu *UserUpdate) AddAge(i int) *UserUpdate

AddAge adds i to age.

func (*UserUpdate) AddGroupIDs

func (uu *UserUpdate) AddGroupIDs(ids ...int) *UserUpdate

AddGroupIDs adds the groups edge to Group by ids.

func (*UserUpdate) AddGroups

func (uu *UserUpdate) AddGroups(g ...*Group) *UserUpdate

AddGroups adds the groups edges to Group.

func (*UserUpdate) ClearGroups

func (uu *UserUpdate) ClearGroups() *UserUpdate

ClearGroups clears all "groups" edges to type Group.

func (*UserUpdate) Exec

func (uu *UserUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*UserUpdate) ExecX

func (uu *UserUpdate) ExecX(ctx context.Context)

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

func (*UserUpdate) Mutation

func (uu *UserUpdate) Mutation() *UserMutation

Mutation returns the UserMutation object of the builder.

func (*UserUpdate) RemoveGroupIDs

func (uu *UserUpdate) RemoveGroupIDs(ids ...int) *UserUpdate

RemoveGroupIDs removes the groups edge to Group by ids.

func (*UserUpdate) RemoveGroups

func (uu *UserUpdate) RemoveGroups(g ...*Group) *UserUpdate

RemoveGroups removes groups edges to Group.

func (*UserUpdate) Save

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

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

func (*UserUpdate) SaveX

func (uu *UserUpdate) SaveX(ctx context.Context) int

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

func (*UserUpdate) SetAge

func (uu *UserUpdate) SetAge(i int) *UserUpdate

SetAge sets the age field.

func (*UserUpdate) SetName

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

SetName sets the name field.

func (*UserUpdate) Where

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

Where adds a new predicate for the builder.

type UserUpdateOne

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

UserUpdateOne is the builder for updating a single User entity.

func (*UserUpdateOne) AddAge

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

AddAge adds i to age.

func (*UserUpdateOne) AddGroupIDs

func (uuo *UserUpdateOne) AddGroupIDs(ids ...int) *UserUpdateOne

AddGroupIDs adds the groups edge to Group by ids.

func (*UserUpdateOne) AddGroups

func (uuo *UserUpdateOne) AddGroups(g ...*Group) *UserUpdateOne

AddGroups adds the groups edges to Group.

func (*UserUpdateOne) ClearGroups

func (uuo *UserUpdateOne) ClearGroups() *UserUpdateOne

ClearGroups clears all "groups" edges to type Group.

func (*UserUpdateOne) Exec

func (uuo *UserUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*UserUpdateOne) ExecX

func (uuo *UserUpdateOne) ExecX(ctx context.Context)

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

func (*UserUpdateOne) Mutation

func (uuo *UserUpdateOne) Mutation() *UserMutation

Mutation returns the UserMutation object of the builder.

func (*UserUpdateOne) RemoveGroupIDs

func (uuo *UserUpdateOne) RemoveGroupIDs(ids ...int) *UserUpdateOne

RemoveGroupIDs removes the groups edge to Group by ids.

func (*UserUpdateOne) RemoveGroups

func (uuo *UserUpdateOne) RemoveGroups(g ...*Group) *UserUpdateOne

RemoveGroups removes groups edges to Group.

func (*UserUpdateOne) Save

func (uuo *UserUpdateOne) Save(ctx context.Context) (*User, error)

Save executes the query and returns the updated entity.

func (*UserUpdateOne) SaveX

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

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

func (*UserUpdateOne) SetAge

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

SetAge sets the age field.

func (*UserUpdateOne) SetName

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

SetName sets the name field.

type Users

type Users []*User

Users is a parsable slice of User.

type ValidationError

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

ValidationError returns when validating a field fails.

func (*ValidationError) Error

func (e *ValidationError) Error() string

Error implements the error interface.

func (*ValidationError) Unwrap

func (e *ValidationError) Unwrap() error

Unwrap implements the errors.Wrapper interface.

type Value

type Value = ent.Value

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

Directories

Path Synopsis
enttest
group
hook
migrate
predicate
runtime
schema
user