ent

package
v0.0.0-...-24968f5 Latest Latest
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 Go to latest Published: Jul 23, 2022 License: MIT, MIT Imports: 17 Imported by: 0

Documentation

Index

Constants

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

	// Node types.
	TypeAccount = "Account"
)

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 Account 

type Account struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// Name holds the value of the "name" field.
	Name string `json:"name,omitempty"`
	// Age holds the value of the "age" field.
	Age int `json:"age,omitempty"`
	// Email holds the value of the "email" field.
	Email string `json:"email,omitempty"`
	// Sex holds the value of the "sex" field.
	Sex bool `json:"sex,omitempty"`
	// CreatedAt holds the value of the "created_at" field.
	CreatedAt time.Time `json:"created_at,omitempty"`
	// UpdatedAt holds the value of the "updated_at" field.
	UpdatedAt time.Time `json:"updated_at,omitempty"`
	// contains filtered or unexported fields
}

Account is the model entity for the Account schema.

func (*Account) String 

func (a *Account) String() string

String implements the fmt.Stringer.

func (*Account) Unwrap 

func (a *Account) Unwrap() *Account

Unwrap unwraps the Account 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 (*Account) Update 

func (a *Account) Update() *AccountUpdateOne

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

type AccountClient 

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

AccountClient is a client for the Account schema.

func NewAccountClient 

func NewAccountClient(c config) *AccountClient

NewAccountClient returns a client for the Account from the given config.

func (*AccountClient) Create 

func (c *AccountClient) Create() *AccountCreate

Create returns a create builder for Account.

func (*AccountClient) CreateBulk 

func (c *AccountClient) CreateBulk(builders ...*AccountCreate) *AccountCreateBulk

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

func (*AccountClient) Delete 

func (c *AccountClient) Delete() *AccountDelete

Delete returns a delete builder for Account.

func (*AccountClient) DeleteOne 

func (c *AccountClient) DeleteOne(a *Account) *AccountDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*AccountClient) DeleteOneID 

func (c *AccountClient) DeleteOneID(id int) *AccountDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*AccountClient) Get 

func (c *AccountClient) Get(ctx context.Context, id int) (*Account, error)

Get returns a Account entity by its id.

func (*AccountClient) GetX 

func (c *AccountClient) GetX(ctx context.Context, id int) *Account

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

func (*AccountClient) Hooks 

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

Hooks returns the client hooks.

func (*AccountClient) Query 

func (c *AccountClient) Query() *AccountQuery

Query returns a query builder for Account.

func (*AccountClient) Update 

func (c *AccountClient) Update() *AccountUpdate

Update returns an update builder for Account.

func (*AccountClient) UpdateOne 

func (c *AccountClient) UpdateOne(a *Account) *AccountUpdateOne

UpdateOne returns an update builder for the given entity.

func (*AccountClient) UpdateOneID 

func (c *AccountClient) UpdateOneID(id int) *AccountUpdateOne

UpdateOneID returns an update builder for the given id.

func (*AccountClient) Use 

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

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

type AccountCreate 

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

AccountCreate is the builder for creating a Account entity.

func (*AccountCreate) Exec 

func (ac *AccountCreate) Exec(ctx context.Context) error

Exec executes the query.

func (*AccountCreate) ExecX 

func (ac *AccountCreate) ExecX(ctx context.Context)

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

func (*AccountCreate) Mutation 

func (ac *AccountCreate) Mutation() *AccountMutation

Mutation returns the AccountMutation object of the builder.

func (*AccountCreate) Save 

func (ac *AccountCreate) Save(ctx context.Context) (*Account, error)

Save creates the Account in the database.

func (*AccountCreate) SaveX 

func (ac *AccountCreate) SaveX(ctx context.Context) *Account

SaveX calls Save and panics if Save returns an error.

func (*AccountCreate) SetAge 

func (ac *AccountCreate) SetAge(i int) *AccountCreate

SetAge sets the "age" field.

func (*AccountCreate) SetCreatedAt 

func (ac *AccountCreate) SetCreatedAt(t time.Time) *AccountCreate

SetCreatedAt sets the "created_at" field.

func (*AccountCreate) SetEmail 

func (ac *AccountCreate) SetEmail(s string) *AccountCreate

SetEmail sets the "email" field.

func (*AccountCreate) SetName 

func (ac *AccountCreate) SetName(s string) *AccountCreate

SetName sets the "name" field.

func (*AccountCreate) SetNillableAge 

func (ac *AccountCreate) SetNillableAge(i *int) *AccountCreate

SetNillableAge sets the "age" field if the given value is not nil.

func (*AccountCreate) SetNillableCreatedAt 

func (ac *AccountCreate) SetNillableCreatedAt(t *time.Time) *AccountCreate

SetNillableCreatedAt sets the "created_at" field if the given value is not nil.

func (*AccountCreate) SetNillableName 

func (ac *AccountCreate) SetNillableName(s *string) *AccountCreate

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

func (*AccountCreate) SetNillableUpdatedAt 

func (ac *AccountCreate) SetNillableUpdatedAt(t *time.Time) *AccountCreate

SetNillableUpdatedAt sets the "updated_at" field if the given value is not nil.

func (*AccountCreate) SetSex 

func (ac *AccountCreate) SetSex(b bool) *AccountCreate

SetSex sets the "sex" field.

func (*AccountCreate) SetUpdatedAt 

func (ac *AccountCreate) SetUpdatedAt(t time.Time) *AccountCreate

SetUpdatedAt sets the "updated_at" field.

type AccountCreateBulk 

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

AccountCreateBulk is the builder for creating many Account entities in bulk.

func (*AccountCreateBulk) Exec 

func (acb *AccountCreateBulk) Exec(ctx context.Context) error

Exec executes the query.

func (*AccountCreateBulk) ExecX 

func (acb *AccountCreateBulk) ExecX(ctx context.Context)

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

func (*AccountCreateBulk) Save 

func (acb *AccountCreateBulk) Save(ctx context.Context) ([]*Account, error)

Save creates the Account entities in the database.

func (*AccountCreateBulk) SaveX 

func (acb *AccountCreateBulk) SaveX(ctx context.Context) []*Account

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

type AccountDelete 

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

AccountDelete is the builder for deleting a Account entity.

func (*AccountDelete) Exec 

func (ad *AccountDelete) Exec(ctx context.Context) (int, error)

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

func (*AccountDelete) ExecX 

func (ad *AccountDelete) ExecX(ctx context.Context) int

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

func (*AccountDelete) Where 

func (ad *AccountDelete) Where(ps ...predicate.Account) *AccountDelete

Where appends a list predicates to the AccountDelete builder.

type AccountDeleteOne 

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

AccountDeleteOne is the builder for deleting a single Account entity.

func (*AccountDeleteOne) Exec 

func (ado *AccountDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*AccountDeleteOne) ExecX 

func (ado *AccountDeleteOne) ExecX(ctx context.Context)

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

type AccountGroupBy 

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

AccountGroupBy is the group-by builder for Account entities.

func (*AccountGroupBy) Aggregate 

func (agb *AccountGroupBy) Aggregate(fns ...AggregateFunc) *AccountGroupBy

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

func (*AccountGroupBy) Bool 

func (agb *AccountGroupBy) 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 (*AccountGroupBy) BoolX 

func (agb *AccountGroupBy) BoolX(ctx context.Context) bool

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

func (*AccountGroupBy) Bools 

func (agb *AccountGroupBy) 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 (*AccountGroupBy) BoolsX 

func (agb *AccountGroupBy) BoolsX(ctx context.Context) []bool

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

func (*AccountGroupBy) Float64 

func (agb *AccountGroupBy) 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 (*AccountGroupBy) Float64X 

func (agb *AccountGroupBy) Float64X(ctx context.Context) float64

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

func (*AccountGroupBy) Float64s 

func (agb *AccountGroupBy) 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 (*AccountGroupBy) Float64sX 

func (agb *AccountGroupBy) Float64sX(ctx context.Context) []float64

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

func (*AccountGroupBy) Int 

func (agb *AccountGroupBy) 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 (*AccountGroupBy) IntX 

func (agb *AccountGroupBy) IntX(ctx context.Context) int

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

func (*AccountGroupBy) Ints 

func (agb *AccountGroupBy) 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 (*AccountGroupBy) IntsX 

func (agb *AccountGroupBy) IntsX(ctx context.Context) []int

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

func (*AccountGroupBy) Scan 

func (agb *AccountGroupBy) Scan(ctx context.Context, v interface{}) error

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

func (*AccountGroupBy) ScanX 

func (agb *AccountGroupBy) ScanX(ctx context.Context, v interface{})

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

func (*AccountGroupBy) String 

func (agb *AccountGroupBy) 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 (*AccountGroupBy) StringX 

func (agb *AccountGroupBy) StringX(ctx context.Context) string

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

func (*AccountGroupBy) Strings 

func (agb *AccountGroupBy) 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 (*AccountGroupBy) StringsX 

func (agb *AccountGroupBy) StringsX(ctx context.Context) []string

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

type AccountMutation 

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

AccountMutation represents an operation that mutates the Account nodes in the graph.

func (*AccountMutation) AddAge 

func (m *AccountMutation) AddAge(i int)

AddAge adds i to the "age" field.

func (*AccountMutation) AddField 

func (m *AccountMutation) 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 (*AccountMutation) AddedAge 

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

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

func (*AccountMutation) AddedEdges 

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

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

func (*AccountMutation) AddedField 

func (m *AccountMutation) 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 (*AccountMutation) AddedFields 

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

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

func (*AccountMutation) AddedIDs 

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

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

func (*AccountMutation) Age 

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

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

func (*AccountMutation) ClearEdge 

func (m *AccountMutation) 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 (*AccountMutation) ClearField 

func (m *AccountMutation) 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 (*AccountMutation) ClearedEdges 

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

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

func (*AccountMutation) ClearedFields 

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

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

func (AccountMutation) Client 

func (m AccountMutation) 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 (*AccountMutation) CreatedAt 

func (m *AccountMutation) CreatedAt() (r time.Time, exists bool)

CreatedAt returns the value of the "created_at" field in the mutation.

func (*AccountMutation) EdgeCleared 

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

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

func (*AccountMutation) Email 

func (m *AccountMutation) Email() (r string, exists bool)

Email returns the value of the "email" field in the mutation.

func (*AccountMutation) Field 

func (m *AccountMutation) 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 (*AccountMutation) FieldCleared 

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

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

func (*AccountMutation) Fields 

func (m *AccountMutation) 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 (*AccountMutation) ID 

func (m *AccountMutation) 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 (*AccountMutation) Name 

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

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

func (*AccountMutation) OldAge 

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

OldAge returns the old "age" field's value of the Account entity. If the Account 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 (*AccountMutation) OldCreatedAt 

func (m *AccountMutation) OldCreatedAt(ctx context.Context) (v time.Time, err error)

OldCreatedAt returns the old "created_at" field's value of the Account entity. If the Account 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 (*AccountMutation) OldEmail 

func (m *AccountMutation) OldEmail(ctx context.Context) (v string, err error)

OldEmail returns the old "email" field's value of the Account entity. If the Account 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 (*AccountMutation) OldField 

func (m *AccountMutation) 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 (*AccountMutation) OldName 

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

OldName returns the old "name" field's value of the Account entity. If the Account 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 (*AccountMutation) OldSex 

func (m *AccountMutation) OldSex(ctx context.Context) (v bool, err error)

OldSex returns the old "sex" field's value of the Account entity. If the Account 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 (*AccountMutation) OldUpdatedAt 

func (m *AccountMutation) OldUpdatedAt(ctx context.Context) (v time.Time, err error)

OldUpdatedAt returns the old "updated_at" field's value of the Account entity. If the Account 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 (*AccountMutation) Op 

func (m *AccountMutation) Op() Op

Op returns the operation name.

func (*AccountMutation) RemovedEdges 

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

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

func (*AccountMutation) RemovedIDs 

func (m *AccountMutation) 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 (*AccountMutation) ResetAge 

func (m *AccountMutation) ResetAge()

ResetAge resets all changes to the "age" field.

func (*AccountMutation) ResetCreatedAt 

func (m *AccountMutation) ResetCreatedAt()

ResetCreatedAt resets all changes to the "created_at" field.

func (*AccountMutation) ResetEdge 

func (m *AccountMutation) 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 (*AccountMutation) ResetEmail 

func (m *AccountMutation) ResetEmail()

ResetEmail resets all changes to the "email" field.

func (*AccountMutation) ResetField 

func (m *AccountMutation) 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 (*AccountMutation) ResetName 

func (m *AccountMutation) ResetName()

ResetName resets all changes to the "name" field.

func (*AccountMutation) ResetSex 

func (m *AccountMutation) ResetSex()

ResetSex resets all changes to the "sex" field.

func (*AccountMutation) ResetUpdatedAt 

func (m *AccountMutation) ResetUpdatedAt()

ResetUpdatedAt resets all changes to the "updated_at" field.

func (*AccountMutation) SetAge 

func (m *AccountMutation) SetAge(i int)

SetAge sets the "age" field.

func (*AccountMutation) SetCreatedAt 

func (m *AccountMutation) SetCreatedAt(t time.Time)

SetCreatedAt sets the "created_at" field.

func (*AccountMutation) SetEmail 

func (m *AccountMutation) SetEmail(s string)

SetEmail sets the "email" field.

func (*AccountMutation) SetField 

func (m *AccountMutation) 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 (*AccountMutation) SetName 

func (m *AccountMutation) SetName(s string)

SetName sets the "name" field.

func (*AccountMutation) SetSex 

func (m *AccountMutation) SetSex(b bool)

SetSex sets the "sex" field.

func (*AccountMutation) SetUpdatedAt 

func (m *AccountMutation) SetUpdatedAt(t time.Time)

SetUpdatedAt sets the "updated_at" field.

func (*AccountMutation) Sex 

func (m *AccountMutation) Sex() (r bool, exists bool)

Sex returns the value of the "sex" field in the mutation.

func (AccountMutation) Tx 

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

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

func (*AccountMutation) Type 

func (m *AccountMutation) Type() string

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

func (*AccountMutation) UpdatedAt 

func (m *AccountMutation) UpdatedAt() (r time.Time, exists bool)

UpdatedAt returns the value of the "updated_at" field in the mutation.

func (*AccountMutation) Where 

func (m *AccountMutation) Where(ps ...predicate.Account)

Where appends a list predicates to the AccountMutation builder.

type AccountQuery 

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

AccountQuery is the builder for querying Account entities.

func (*AccountQuery) All 

func (aq *AccountQuery) All(ctx context.Context) ([]*Account, error)

All executes the query and returns a list of Accounts.

func (*AccountQuery) AllX 

func (aq *AccountQuery) AllX(ctx context.Context) []*Account

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

func (*AccountQuery) Clone 

func (aq *AccountQuery) Clone() *AccountQuery

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

func (*AccountQuery) Count 

func (aq *AccountQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*AccountQuery) CountX 

func (aq *AccountQuery) CountX(ctx context.Context) int

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

func (*AccountQuery) Exist 

func (aq *AccountQuery) Exist(ctx context.Context) (bool, error)

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

func (*AccountQuery) ExistX 

func (aq *AccountQuery) ExistX(ctx context.Context) bool

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

func (*AccountQuery) First 

func (aq *AccountQuery) First(ctx context.Context) (*Account, error)

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

func (*AccountQuery) FirstID 

func (aq *AccountQuery) FirstID(ctx context.Context) (id int, err error)

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

func (*AccountQuery) FirstIDX 

func (aq *AccountQuery) FirstIDX(ctx context.Context) int

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

func (*AccountQuery) FirstX 

func (aq *AccountQuery) FirstX(ctx context.Context) *Account

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

func (*AccountQuery) GroupBy 

func (aq *AccountQuery) GroupBy(field string, fields ...string) *AccountGroupBy

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.Account.Query().
	GroupBy(account.FieldName).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*AccountQuery) IDs 

func (aq *AccountQuery) IDs(ctx context.Context) ([]int, error)

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

func (*AccountQuery) IDsX 

func (aq *AccountQuery) IDsX(ctx context.Context) []int

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

func (*AccountQuery) Limit 

func (aq *AccountQuery) Limit(limit int) *AccountQuery

Limit adds a limit step to the query.

func (*AccountQuery) Offset 

func (aq *AccountQuery) Offset(offset int) *AccountQuery

Offset adds an offset step to the query.

func (*AccountQuery) Only 

func (aq *AccountQuery) Only(ctx context.Context) (*Account, error)

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

func (*AccountQuery) OnlyID 

func (aq *AccountQuery) OnlyID(ctx context.Context) (id int, err error)

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

func (*AccountQuery) OnlyIDX 

func (aq *AccountQuery) OnlyIDX(ctx context.Context) int

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

func (*AccountQuery) OnlyX 

func (aq *AccountQuery) OnlyX(ctx context.Context) *Account

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

func (*AccountQuery) Order 

func (aq *AccountQuery) Order(o ...OrderFunc) *AccountQuery

Order adds an order step to the query.

func (*AccountQuery) Select 

func (aq *AccountQuery) Select(fields ...string) *AccountSelect

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.Account.Query().
	Select(account.FieldName).
	Scan(ctx, &v)

func (*AccountQuery) Unique 

func (aq *AccountQuery) Unique(unique bool) *AccountQuery

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 (*AccountQuery) Where 

func (aq *AccountQuery) Where(ps ...predicate.Account) *AccountQuery

Where adds a new predicate for the AccountQuery builder.

type AccountSelect 

type AccountSelect struct {
	*AccountQuery
	// contains filtered or unexported fields
}

AccountSelect is the builder for selecting fields of Account entities.

func (*AccountSelect) Bool 

func (as *AccountSelect) Bool(ctx context.Context) (_ bool, err error)

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

func (*AccountSelect) BoolX 

func (as *AccountSelect) BoolX(ctx context.Context) bool

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

func (*AccountSelect) Bools 

func (as *AccountSelect) Bools(ctx context.Context) ([]bool, error)

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

func (*AccountSelect) BoolsX 

func (as *AccountSelect) BoolsX(ctx context.Context) []bool

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

func (*AccountSelect) Float64 

func (as *AccountSelect) Float64(ctx context.Context) (_ float64, err error)

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

func (*AccountSelect) Float64X 

func (as *AccountSelect) Float64X(ctx context.Context) float64

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

func (*AccountSelect) Float64s 

func (as *AccountSelect) Float64s(ctx context.Context) ([]float64, error)

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

func (*AccountSelect) Float64sX 

func (as *AccountSelect) Float64sX(ctx context.Context) []float64

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

func (*AccountSelect) Int 

func (as *AccountSelect) Int(ctx context.Context) (_ int, err error)

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

func (*AccountSelect) IntX 

func (as *AccountSelect) IntX(ctx context.Context) int

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

func (*AccountSelect) Ints 

func (as *AccountSelect) Ints(ctx context.Context) ([]int, error)

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

func (*AccountSelect) IntsX 

func (as *AccountSelect) IntsX(ctx context.Context) []int

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

func (*AccountSelect) Scan 

func (as *AccountSelect) Scan(ctx context.Context, v interface{}) error

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

func (*AccountSelect) ScanX 

func (as *AccountSelect) ScanX(ctx context.Context, v interface{})

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

func (*AccountSelect) String 

func (as *AccountSelect) String(ctx context.Context) (_ string, err error)

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

func (*AccountSelect) StringX 

func (as *AccountSelect) StringX(ctx context.Context) string

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

func (*AccountSelect) Strings 

func (as *AccountSelect) Strings(ctx context.Context) ([]string, error)

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

func (*AccountSelect) StringsX 

func (as *AccountSelect) StringsX(ctx context.Context) []string

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

type AccountUpdate 

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

AccountUpdate is the builder for updating Account entities.

func (*AccountUpdate) AddAge 

func (au *AccountUpdate) AddAge(i int) *AccountUpdate

AddAge adds i to the "age" field.

func (*AccountUpdate) Exec 

func (au *AccountUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*AccountUpdate) ExecX 

func (au *AccountUpdate) ExecX(ctx context.Context)

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

func (*AccountUpdate) Mutation 

func (au *AccountUpdate) Mutation() *AccountMutation

Mutation returns the AccountMutation object of the builder.

func (*AccountUpdate) Save 

func (au *AccountUpdate) Save(ctx context.Context) (int, error)

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

func (*AccountUpdate) SaveX 

func (au *AccountUpdate) SaveX(ctx context.Context) int

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

func (*AccountUpdate) SetAge 

func (au *AccountUpdate) SetAge(i int) *AccountUpdate

SetAge sets the "age" field.

func (*AccountUpdate) SetCreatedAt 

func (au *AccountUpdate) SetCreatedAt(t time.Time) *AccountUpdate

SetCreatedAt sets the "created_at" field.

func (*AccountUpdate) SetEmail 

func (au *AccountUpdate) SetEmail(s string) *AccountUpdate

SetEmail sets the "email" field.

func (*AccountUpdate) SetName 

func (au *AccountUpdate) SetName(s string) *AccountUpdate

SetName sets the "name" field.

func (*AccountUpdate) SetNillableAge 

func (au *AccountUpdate) SetNillableAge(i *int) *AccountUpdate

SetNillableAge sets the "age" field if the given value is not nil.

func (*AccountUpdate) SetNillableCreatedAt 

func (au *AccountUpdate) SetNillableCreatedAt(t *time.Time) *AccountUpdate

SetNillableCreatedAt sets the "created_at" field if the given value is not nil.

func (*AccountUpdate) SetNillableName 

func (au *AccountUpdate) SetNillableName(s *string) *AccountUpdate

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

func (*AccountUpdate) SetSex 

func (au *AccountUpdate) SetSex(b bool) *AccountUpdate

SetSex sets the "sex" field.

func (*AccountUpdate) SetUpdatedAt 

func (au *AccountUpdate) SetUpdatedAt(t time.Time) *AccountUpdate

SetUpdatedAt sets the "updated_at" field.

func (*AccountUpdate) Where 

func (au *AccountUpdate) Where(ps ...predicate.Account) *AccountUpdate

Where appends a list predicates to the AccountUpdate builder.

type AccountUpdateOne 

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

AccountUpdateOne is the builder for updating a single Account entity.

func (*AccountUpdateOne) AddAge 

func (auo *AccountUpdateOne) AddAge(i int) *AccountUpdateOne

AddAge adds i to the "age" field.

func (*AccountUpdateOne) Exec 

func (auo *AccountUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*AccountUpdateOne) ExecX 

func (auo *AccountUpdateOne) ExecX(ctx context.Context)

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

func (*AccountUpdateOne) Mutation 

func (auo *AccountUpdateOne) Mutation() *AccountMutation

Mutation returns the AccountMutation object of the builder.

func (*AccountUpdateOne) Save 

func (auo *AccountUpdateOne) Save(ctx context.Context) (*Account, error)

Save executes the query and returns the updated Account entity.

func (*AccountUpdateOne) SaveX 

func (auo *AccountUpdateOne) SaveX(ctx context.Context) *Account

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

func (*AccountUpdateOne) Select 

func (auo *AccountUpdateOne) Select(field string, fields ...string) *AccountUpdateOne

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

func (*AccountUpdateOne) SetAge 

func (auo *AccountUpdateOne) SetAge(i int) *AccountUpdateOne

SetAge sets the "age" field.

func (*AccountUpdateOne) SetCreatedAt 

func (auo *AccountUpdateOne) SetCreatedAt(t time.Time) *AccountUpdateOne

SetCreatedAt sets the "created_at" field.

func (*AccountUpdateOne) SetEmail 

func (auo *AccountUpdateOne) SetEmail(s string) *AccountUpdateOne

SetEmail sets the "email" field.

func (*AccountUpdateOne) SetName 

func (auo *AccountUpdateOne) SetName(s string) *AccountUpdateOne

SetName sets the "name" field.

func (*AccountUpdateOne) SetNillableAge 

func (auo *AccountUpdateOne) SetNillableAge(i *int) *AccountUpdateOne

SetNillableAge sets the "age" field if the given value is not nil.

func (*AccountUpdateOne) SetNillableCreatedAt 

func (auo *AccountUpdateOne) SetNillableCreatedAt(t *time.Time) *AccountUpdateOne

SetNillableCreatedAt sets the "created_at" field if the given value is not nil.

func (*AccountUpdateOne) SetNillableName 

func (auo *AccountUpdateOne) SetNillableName(s *string) *AccountUpdateOne

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

func (*AccountUpdateOne) SetSex 

func (auo *AccountUpdateOne) SetSex(b bool) *AccountUpdateOne

SetSex sets the "sex" field.

func (*AccountUpdateOne) SetUpdatedAt 

func (auo *AccountUpdateOne) SetUpdatedAt(t time.Time) *AccountUpdateOne

SetUpdatedAt sets the "updated_at" field.

type Accounts 

type Accounts []*Account

Accounts is a parsable slice of Account.

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
	// Account is the client for interacting with the Account builders.
	Account *AccountClient
	// 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().
	Account.
	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 Tx 

type Tx struct {

	// Account is the client for interacting with the Account builders.
	Account *AccountClient
	// 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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