ent

package
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 Go to latest Published: May 10, 2022 License: MIT Imports: 21 Imported by: 0

Documentation

Index

Constants

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

	// Node types.
	TypeBook     = "Book"
	TypeBookLoan = "BookLoan"
	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 validation error.

func MaskNotFound 

func MaskNotFound(err error) error

MaskNotFound masks not found error.

func NewContext 

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

NewContext returns a new context with the given Client attached.

func NewTxContext 

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

NewTxContext returns a new context with the given Tx attached.

Types

type AggregateFunc 

type AggregateFunc func(*sql.Selector) string

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

func As 

func As(fn AggregateFunc, end string) AggregateFunc

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

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

func Count 

func Count() AggregateFunc

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

func Max 

func Max(field string) AggregateFunc

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

func Mean 

func Mean(field string) AggregateFunc

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

func Min 

func Min(field string) AggregateFunc

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

func Sum 

func Sum(field string) AggregateFunc

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

type Book 

type Book struct {

	// ID of the ent.
	ID uuid.UUID `json:"id,omitempty"`
	// CreateAt holds the value of the "create_at" field.
	CreateAt time.Time `json:"create_at,omitempty"`
	// UpdatedAt holds the value of the "updated_at" field.
	UpdatedAt time.Time `json:"updated_at,omitempty"`
	// Title holds the value of the "title" field.
	Title string `json:"title,omitempty"`
	// Pages holds the value of the "pages" field.
	Pages uint16 `json:"pages,omitempty"`
	// Abstract holds the value of the "abstract" field.
	Abstract string `json:"abstract,omitempty"`
	// Category holds the value of the "category" field.
	Category book.Category `json:"category,omitempty"`
	// CoverURL holds the value of the "cover_url" field.
	CoverURL string `json:"cover_url,omitempty"`
	// Edges holds the relations/edges for other nodes in the graph.
	// The values are being populated by the BookQuery when eager-loading is set.
	Edges BookEdges `json:"edges"`
	// contains filtered or unexported fields
}

Book is the model entity for the Book schema.

func (*Book) QueryAuthor 

func (b *Book) QueryAuthor() *UserQuery

QueryAuthor queries the "author" edge of the Book entity.

func (*Book) QueryOnLoans 

func (b *Book) QueryOnLoans() *BookLoanQuery

QueryOnLoans queries the "on_loans" edge of the Book entity.

func (*Book) String 

func (b *Book) String() string

String implements the fmt.Stringer.

func (*Book) Unwrap 

func (b *Book) Unwrap() *Book

Unwrap unwraps the Book 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 (*Book) Update 

func (b *Book) Update() *BookUpdateOne

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

type BookClient 

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

BookClient is a client for the Book schema.

func NewBookClient 

func NewBookClient(c config) *BookClient

NewBookClient returns a client for the Book from the given config.

func (*BookClient) Create 

func (c *BookClient) Create() *BookCreate

Create returns a create builder for Book.

func (*BookClient) CreateBulk 

func (c *BookClient) CreateBulk(builders ...*BookCreate) *BookCreateBulk

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

func (*BookClient) Delete 

func (c *BookClient) Delete() *BookDelete

Delete returns a delete builder for Book.

func (*BookClient) DeleteOne 

func (c *BookClient) DeleteOne(b *Book) *BookDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*BookClient) DeleteOneID 

func (c *BookClient) DeleteOneID(id uuid.UUID) *BookDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*BookClient) Get 

func (c *BookClient) Get(ctx context.Context, id uuid.UUID) (*Book, error)

Get returns a Book entity by its id.

func (*BookClient) GetX 

func (c *BookClient) GetX(ctx context.Context, id uuid.UUID) *Book

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

func (*BookClient) Hooks 

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

Hooks returns the client hooks.

func (*BookClient) Query 

func (c *BookClient) Query() *BookQuery

Query returns a query builder for Book.

func (*BookClient) QueryAuthor 

func (c *BookClient) QueryAuthor(b *Book) *UserQuery

QueryAuthor queries the author edge of a Book.

func (*BookClient) QueryOnLoans 

func (c *BookClient) QueryOnLoans(b *Book) *BookLoanQuery

QueryOnLoans queries the on_loans edge of a Book.

func (*BookClient) Update 

func (c *BookClient) Update() *BookUpdate

Update returns an update builder for Book.

func (*BookClient) UpdateOne 

func (c *BookClient) UpdateOne(b *Book) *BookUpdateOne

UpdateOne returns an update builder for the given entity.

func (*BookClient) UpdateOneID 

func (c *BookClient) UpdateOneID(id uuid.UUID) *BookUpdateOne

UpdateOneID returns an update builder for the given id.

func (*BookClient) Use 

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

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

type BookCreate 

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

BookCreate is the builder for creating a Book entity.

func (*BookCreate) AddOnLoanIDs 

func (bc *BookCreate) AddOnLoanIDs(ids ...uuid.UUID) *BookCreate

AddOnLoanIDs adds the "on_loans" edge to the BookLoan entity by IDs.

func (*BookCreate) AddOnLoans 

func (bc *BookCreate) AddOnLoans(b ...*BookLoan) *BookCreate

AddOnLoans adds the "on_loans" edges to the BookLoan entity.

func (*BookCreate) Exec 

func (bc *BookCreate) Exec(ctx context.Context) error

Exec executes the query.

func (*BookCreate) ExecX 

func (bc *BookCreate) ExecX(ctx context.Context)

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

func (*BookCreate) Mutation 

func (bc *BookCreate) Mutation() *BookMutation

Mutation returns the BookMutation object of the builder.

func (*BookCreate) Save 

func (bc *BookCreate) Save(ctx context.Context) (*Book, error)

Save creates the Book in the database.

func (*BookCreate) SaveX 

func (bc *BookCreate) SaveX(ctx context.Context) *Book

SaveX calls Save and panics if Save returns an error.

func (*BookCreate) SetAbstract 

func (bc *BookCreate) SetAbstract(s string) *BookCreate

SetAbstract sets the "abstract" field.

func (*BookCreate) SetAuthor 

func (bc *BookCreate) SetAuthor(u *User) *BookCreate

SetAuthor sets the "author" edge to the User entity.

func (*BookCreate) SetAuthorID 

func (bc *BookCreate) SetAuthorID(id uuid.UUID) *BookCreate

SetAuthorID sets the "author" edge to the User entity by ID.

func (*BookCreate) SetCategory 

func (bc *BookCreate) SetCategory(b book.Category) *BookCreate

SetCategory sets the "category" field.

func (*BookCreate) SetCoverURL 

func (bc *BookCreate) SetCoverURL(s string) *BookCreate

SetCoverURL sets the "cover_url" field.

func (*BookCreate) SetCreateAt 

func (bc *BookCreate) SetCreateAt(t time.Time) *BookCreate

SetCreateAt sets the "create_at" field.

func (*BookCreate) SetID 

func (bc *BookCreate) SetID(u uuid.UUID) *BookCreate

SetID sets the "id" field.

func (*BookCreate) SetNillableAbstract 

func (bc *BookCreate) SetNillableAbstract(s *string) *BookCreate

SetNillableAbstract sets the "abstract" field if the given value is not nil.

func (*BookCreate) SetNillableCreateAt 

func (bc *BookCreate) SetNillableCreateAt(t *time.Time) *BookCreate

SetNillableCreateAt sets the "create_at" field if the given value is not nil.

func (*BookCreate) SetNillableID 

func (bc *BookCreate) SetNillableID(u *uuid.UUID) *BookCreate

SetNillableID sets the "id" field if the given value is not nil.

func (*BookCreate) SetNillableUpdatedAt 

func (bc *BookCreate) SetNillableUpdatedAt(t *time.Time) *BookCreate

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

func (*BookCreate) SetPages 

func (bc *BookCreate) SetPages(u uint16) *BookCreate

SetPages sets the "pages" field.

func (*BookCreate) SetTitle 

func (bc *BookCreate) SetTitle(s string) *BookCreate

SetTitle sets the "title" field.

func (*BookCreate) SetUpdatedAt 

func (bc *BookCreate) SetUpdatedAt(t time.Time) *BookCreate

SetUpdatedAt sets the "updated_at" field.

type BookCreateBulk 

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

BookCreateBulk is the builder for creating many Book entities in bulk.

func (*BookCreateBulk) Exec 

func (bcb *BookCreateBulk) Exec(ctx context.Context) error

Exec executes the query.

func (*BookCreateBulk) ExecX 

func (bcb *BookCreateBulk) ExecX(ctx context.Context)

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

func (*BookCreateBulk) Save 

func (bcb *BookCreateBulk) Save(ctx context.Context) ([]*Book, error)

Save creates the Book entities in the database.

func (*BookCreateBulk) SaveX 

func (bcb *BookCreateBulk) SaveX(ctx context.Context) []*Book

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

type BookDelete 

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

BookDelete is the builder for deleting a Book entity.

func (*BookDelete) Exec 

func (bd *BookDelete) Exec(ctx context.Context) (int, error)

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

func (*BookDelete) ExecX 

func (bd *BookDelete) ExecX(ctx context.Context) int

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

func (*BookDelete) Where 

func (bd *BookDelete) Where(ps ...predicate.Book) *BookDelete

Where appends a list predicates to the BookDelete builder.

type BookDeleteOne 

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

BookDeleteOne is the builder for deleting a single Book entity.

func (*BookDeleteOne) Exec 

func (bdo *BookDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*BookDeleteOne) ExecX 

func (bdo *BookDeleteOne) ExecX(ctx context.Context)

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

type BookEdges 

type BookEdges struct {
	// OnLoans holds the value of the on_loans edge.
	OnLoans []*BookLoan `json:"on_loans,omitempty"`
	// Author holds the value of the author edge.
	Author *User `json:"author,omitempty"`
	// contains filtered or unexported fields
}

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

func (BookEdges) AuthorOrErr 

func (e BookEdges) AuthorOrErr() (*User, error)

AuthorOrErr returns the Author value or an error if the edge was not loaded in eager-loading, or loaded but was not found.

func (BookEdges) OnLoansOrErr 

func (e BookEdges) OnLoansOrErr() ([]*BookLoan, error)

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

type BookGroupBy 

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

BookGroupBy is the group-by builder for Book entities.

func (*BookGroupBy) Aggregate 

func (bgb *BookGroupBy) Aggregate(fns ...AggregateFunc) *BookGroupBy

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

func (*BookGroupBy) Bool 

func (bgb *BookGroupBy) 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 (*BookGroupBy) BoolX 

func (bgb *BookGroupBy) BoolX(ctx context.Context) bool

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

func (*BookGroupBy) Bools 

func (bgb *BookGroupBy) 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 (*BookGroupBy) BoolsX 

func (bgb *BookGroupBy) BoolsX(ctx context.Context) []bool

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

func (*BookGroupBy) Float64 

func (bgb *BookGroupBy) 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 (*BookGroupBy) Float64X 

func (bgb *BookGroupBy) Float64X(ctx context.Context) float64

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

func (*BookGroupBy) Float64s 

func (bgb *BookGroupBy) 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 (*BookGroupBy) Float64sX 

func (bgb *BookGroupBy) Float64sX(ctx context.Context) []float64

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

func (*BookGroupBy) Int 

func (bgb *BookGroupBy) 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 (*BookGroupBy) IntX 

func (bgb *BookGroupBy) IntX(ctx context.Context) int

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

func (*BookGroupBy) Ints 

func (bgb *BookGroupBy) 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 (*BookGroupBy) IntsX 

func (bgb *BookGroupBy) IntsX(ctx context.Context) []int

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

func (*BookGroupBy) Scan 

func (bgb *BookGroupBy) Scan(ctx context.Context, v interface{}) error

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

func (*BookGroupBy) ScanX 

func (bgb *BookGroupBy) ScanX(ctx context.Context, v interface{})

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

func (*BookGroupBy) String 

func (bgb *BookGroupBy) 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 (*BookGroupBy) StringX 

func (bgb *BookGroupBy) StringX(ctx context.Context) string

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

func (*BookGroupBy) Strings 

func (bgb *BookGroupBy) 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 (*BookGroupBy) StringsX 

func (bgb *BookGroupBy) StringsX(ctx context.Context) []string

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

type BookLoan 

type BookLoan struct {

	// ID of the ent.
	ID uuid.UUID `json:"id,omitempty"`
	// CreateAt holds the value of the "create_at" field.
	CreateAt time.Time `json:"create_at,omitempty"`
	// UpdatedAt holds the value of the "updated_at" field.
	UpdatedAt time.Time `json:"updated_at,omitempty"`
	// LoanDate holds the value of the "loan_date" field.
	LoanDate time.Time `json:"loan_date,omitempty"`
	// DeliveryDate holds the value of the "delivery_date" field.
	DeliveryDate time.Time `json:"delivery_date,omitempty"`
	// Edges holds the relations/edges for other nodes in the graph.
	// The values are being populated by the BookLoanQuery when eager-loading is set.
	Edges BookLoanEdges `json:"edges"`
	// contains filtered or unexported fields
}

BookLoan is the model entity for the BookLoan schema.

func (*BookLoan) QueryBook 

func (bl *BookLoan) QueryBook() *BookQuery

QueryBook queries the "book" edge of the BookLoan entity.

func (*BookLoan) QueryUser 

func (bl *BookLoan) QueryUser() *UserQuery

QueryUser queries the "user" edge of the BookLoan entity.

func (*BookLoan) String 

func (bl *BookLoan) String() string

String implements the fmt.Stringer.

func (*BookLoan) Unwrap 

func (bl *BookLoan) Unwrap() *BookLoan

Unwrap unwraps the BookLoan 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 (*BookLoan) Update 

func (bl *BookLoan) Update() *BookLoanUpdateOne

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

type BookLoanClient 

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

BookLoanClient is a client for the BookLoan schema.

func NewBookLoanClient 

func NewBookLoanClient(c config) *BookLoanClient

NewBookLoanClient returns a client for the BookLoan from the given config.

func (*BookLoanClient) Create 

func (c *BookLoanClient) Create() *BookLoanCreate

Create returns a create builder for BookLoan.

func (*BookLoanClient) CreateBulk 

func (c *BookLoanClient) CreateBulk(builders ...*BookLoanCreate) *BookLoanCreateBulk

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

func (*BookLoanClient) Delete 

func (c *BookLoanClient) Delete() *BookLoanDelete

Delete returns a delete builder for BookLoan.

func (*BookLoanClient) DeleteOne 

func (c *BookLoanClient) DeleteOne(bl *BookLoan) *BookLoanDeleteOne

DeleteOne returns a delete builder for the given entity.

func (*BookLoanClient) DeleteOneID 

func (c *BookLoanClient) DeleteOneID(id uuid.UUID) *BookLoanDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*BookLoanClient) Get 

func (c *BookLoanClient) Get(ctx context.Context, id uuid.UUID) (*BookLoan, error)

Get returns a BookLoan entity by its id.

func (*BookLoanClient) GetX 

func (c *BookLoanClient) GetX(ctx context.Context, id uuid.UUID) *BookLoan

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

func (*BookLoanClient) Hooks 

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

Hooks returns the client hooks.

func (*BookLoanClient) Query 

func (c *BookLoanClient) Query() *BookLoanQuery

Query returns a query builder for BookLoan.

func (*BookLoanClient) QueryBook 

func (c *BookLoanClient) QueryBook(bl *BookLoan) *BookQuery

QueryBook queries the book edge of a BookLoan.

func (*BookLoanClient) QueryUser 

func (c *BookLoanClient) QueryUser(bl *BookLoan) *UserQuery

QueryUser queries the user edge of a BookLoan.

func (*BookLoanClient) Update 

func (c *BookLoanClient) Update() *BookLoanUpdate

Update returns an update builder for BookLoan.

func (*BookLoanClient) UpdateOne 

func (c *BookLoanClient) UpdateOne(bl *BookLoan) *BookLoanUpdateOne

UpdateOne returns an update builder for the given entity.

func (*BookLoanClient) UpdateOneID 

func (c *BookLoanClient) UpdateOneID(id uuid.UUID) *BookLoanUpdateOne

UpdateOneID returns an update builder for the given id.

func (*BookLoanClient) Use 

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

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

type BookLoanCreate 

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

BookLoanCreate is the builder for creating a BookLoan entity.

func (*BookLoanCreate) Exec 

func (blc *BookLoanCreate) Exec(ctx context.Context) error

Exec executes the query.

func (*BookLoanCreate) ExecX 

func (blc *BookLoanCreate) ExecX(ctx context.Context)

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

func (*BookLoanCreate) Mutation 

func (blc *BookLoanCreate) Mutation() *BookLoanMutation

Mutation returns the BookLoanMutation object of the builder.

func (*BookLoanCreate) Save 

func (blc *BookLoanCreate) Save(ctx context.Context) (*BookLoan, error)

Save creates the BookLoan in the database.

func (*BookLoanCreate) SaveX 

func (blc *BookLoanCreate) SaveX(ctx context.Context) *BookLoan

SaveX calls Save and panics if Save returns an error.

func (*BookLoanCreate) SetBook 

func (blc *BookLoanCreate) SetBook(b *Book) *BookLoanCreate

SetBook sets the "book" edge to the Book entity.

func (*BookLoanCreate) SetBookID 

func (blc *BookLoanCreate) SetBookID(id uuid.UUID) *BookLoanCreate

SetBookID sets the "book" edge to the Book entity by ID.

func (*BookLoanCreate) SetCreateAt 

func (blc *BookLoanCreate) SetCreateAt(t time.Time) *BookLoanCreate

SetCreateAt sets the "create_at" field.

func (*BookLoanCreate) SetDeliveryDate 

func (blc *BookLoanCreate) SetDeliveryDate(t time.Time) *BookLoanCreate

SetDeliveryDate sets the "delivery_date" field.

func (*BookLoanCreate) SetID 

func (blc *BookLoanCreate) SetID(u uuid.UUID) *BookLoanCreate

SetID sets the "id" field.

func (*BookLoanCreate) SetLoanDate 

func (blc *BookLoanCreate) SetLoanDate(t time.Time) *BookLoanCreate

SetLoanDate sets the "loan_date" field.

func (*BookLoanCreate) SetNillableCreateAt 

func (blc *BookLoanCreate) SetNillableCreateAt(t *time.Time) *BookLoanCreate

SetNillableCreateAt sets the "create_at" field if the given value is not nil.

func (*BookLoanCreate) SetNillableDeliveryDate 

func (blc *BookLoanCreate) SetNillableDeliveryDate(t *time.Time) *BookLoanCreate

SetNillableDeliveryDate sets the "delivery_date" field if the given value is not nil.

func (*BookLoanCreate) SetNillableID 

func (blc *BookLoanCreate) SetNillableID(u *uuid.UUID) *BookLoanCreate

SetNillableID sets the "id" field if the given value is not nil.

func (*BookLoanCreate) SetNillableLoanDate 

func (blc *BookLoanCreate) SetNillableLoanDate(t *time.Time) *BookLoanCreate

SetNillableLoanDate sets the "loan_date" field if the given value is not nil.

func (*BookLoanCreate) SetNillableUpdatedAt 

func (blc *BookLoanCreate) SetNillableUpdatedAt(t *time.Time) *BookLoanCreate

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

func (*BookLoanCreate) SetUpdatedAt 

func (blc *BookLoanCreate) SetUpdatedAt(t time.Time) *BookLoanCreate

SetUpdatedAt sets the "updated_at" field.

func (*BookLoanCreate) SetUser 

func (blc *BookLoanCreate) SetUser(u *User) *BookLoanCreate

SetUser sets the "user" edge to the User entity.

func (*BookLoanCreate) SetUserID 

func (blc *BookLoanCreate) SetUserID(id uuid.UUID) *BookLoanCreate

SetUserID sets the "user" edge to the User entity by ID.

type BookLoanCreateBulk 

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

BookLoanCreateBulk is the builder for creating many BookLoan entities in bulk.

func (*BookLoanCreateBulk) Exec 

func (blcb *BookLoanCreateBulk) Exec(ctx context.Context) error

Exec executes the query.

func (*BookLoanCreateBulk) ExecX 

func (blcb *BookLoanCreateBulk) ExecX(ctx context.Context)

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

func (*BookLoanCreateBulk) Save 

func (blcb *BookLoanCreateBulk) Save(ctx context.Context) ([]*BookLoan, error)

Save creates the BookLoan entities in the database.

func (*BookLoanCreateBulk) SaveX 

func (blcb *BookLoanCreateBulk) SaveX(ctx context.Context) []*BookLoan

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

type BookLoanDelete 

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

BookLoanDelete is the builder for deleting a BookLoan entity.

func (*BookLoanDelete) Exec 

func (bld *BookLoanDelete) Exec(ctx context.Context) (int, error)

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

func (*BookLoanDelete) ExecX 

func (bld *BookLoanDelete) ExecX(ctx context.Context) int

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

func (*BookLoanDelete) Where 

func (bld *BookLoanDelete) Where(ps ...predicate.BookLoan) *BookLoanDelete

Where appends a list predicates to the BookLoanDelete builder.

type BookLoanDeleteOne 

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

BookLoanDeleteOne is the builder for deleting a single BookLoan entity.

func (*BookLoanDeleteOne) Exec 

func (bldo *BookLoanDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*BookLoanDeleteOne) ExecX 

func (bldo *BookLoanDeleteOne) ExecX(ctx context.Context)

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

type BookLoanEdges 

type BookLoanEdges struct {
	// User holds the value of the user edge.
	User *User `json:"user,omitempty"`
	// Book holds the value of the book edge.
	Book *Book `json:"book,omitempty"`
	// contains filtered or unexported fields
}

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

func (BookLoanEdges) BookOrErr 

func (e BookLoanEdges) BookOrErr() (*Book, error)

BookOrErr returns the Book value or an error if the edge was not loaded in eager-loading, or loaded but was not found.

func (BookLoanEdges) UserOrErr 

func (e BookLoanEdges) UserOrErr() (*User, error)

UserOrErr returns the User value or an error if the edge was not loaded in eager-loading, or loaded but was not found.

type BookLoanGroupBy 

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

BookLoanGroupBy is the group-by builder for BookLoan entities.

func (*BookLoanGroupBy) Aggregate 

func (blgb *BookLoanGroupBy) Aggregate(fns ...AggregateFunc) *BookLoanGroupBy

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

func (*BookLoanGroupBy) Bool 

func (blgb *BookLoanGroupBy) 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 (*BookLoanGroupBy) BoolX 

func (blgb *BookLoanGroupBy) BoolX(ctx context.Context) bool

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

func (*BookLoanGroupBy) Bools 

func (blgb *BookLoanGroupBy) 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 (*BookLoanGroupBy) BoolsX 

func (blgb *BookLoanGroupBy) BoolsX(ctx context.Context) []bool

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

func (*BookLoanGroupBy) Float64 

func (blgb *BookLoanGroupBy) 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 (*BookLoanGroupBy) Float64X 

func (blgb *BookLoanGroupBy) Float64X(ctx context.Context) float64

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

func (*BookLoanGroupBy) Float64s 

func (blgb *BookLoanGroupBy) 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 (*BookLoanGroupBy) Float64sX 

func (blgb *BookLoanGroupBy) Float64sX(ctx context.Context) []float64

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

func (*BookLoanGroupBy) Int 

func (blgb *BookLoanGroupBy) 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 (*BookLoanGroupBy) IntX 

func (blgb *BookLoanGroupBy) IntX(ctx context.Context) int

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

func (*BookLoanGroupBy) Ints 

func (blgb *BookLoanGroupBy) 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 (*BookLoanGroupBy) IntsX 

func (blgb *BookLoanGroupBy) IntsX(ctx context.Context) []int

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

func (*BookLoanGroupBy) Scan 

func (blgb *BookLoanGroupBy) Scan(ctx context.Context, v interface{}) error

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

func (*BookLoanGroupBy) ScanX 

func (blgb *BookLoanGroupBy) ScanX(ctx context.Context, v interface{})

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

func (*BookLoanGroupBy) String 

func (blgb *BookLoanGroupBy) 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 (*BookLoanGroupBy) StringX 

func (blgb *BookLoanGroupBy) StringX(ctx context.Context) string

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

func (*BookLoanGroupBy) Strings 

func (blgb *BookLoanGroupBy) 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 (*BookLoanGroupBy) StringsX 

func (blgb *BookLoanGroupBy) StringsX(ctx context.Context) []string

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

type BookLoanMutation 

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

BookLoanMutation represents an operation that mutates the BookLoan nodes in the graph.

func (*BookLoanMutation) AddField 

func (m *BookLoanMutation) 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 (*BookLoanMutation) AddedEdges 

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

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

func (*BookLoanMutation) AddedField 

func (m *BookLoanMutation) 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 (*BookLoanMutation) AddedFields 

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

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

func (*BookLoanMutation) AddedIDs 

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

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

func (*BookLoanMutation) BookCleared 

func (m *BookLoanMutation) BookCleared() bool

BookCleared reports if the "book" edge to the Book entity was cleared.

func (*BookLoanMutation) BookID 

func (m *BookLoanMutation) BookID() (id uuid.UUID, exists bool)

BookID returns the "book" edge ID in the mutation.

func (*BookLoanMutation) BookIDs 

func (m *BookLoanMutation) BookIDs() (ids []uuid.UUID)

BookIDs returns the "book" edge IDs in the mutation. Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use BookID instead. It exists only for internal usage by the builders.

func (*BookLoanMutation) ClearBook 

func (m *BookLoanMutation) ClearBook()

ClearBook clears the "book" edge to the Book entity.

func (*BookLoanMutation) ClearEdge 

func (m *BookLoanMutation) 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 (*BookLoanMutation) ClearField 

func (m *BookLoanMutation) 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 (*BookLoanMutation) ClearUser 

func (m *BookLoanMutation) ClearUser()

ClearUser clears the "user" edge to the User entity.

func (*BookLoanMutation) ClearedEdges 

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

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

func (*BookLoanMutation) ClearedFields 

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

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

func (BookLoanMutation) Client 

func (m BookLoanMutation) 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 (*BookLoanMutation) CreateAt 

func (m *BookLoanMutation) CreateAt() (r time.Time, exists bool)

CreateAt returns the value of the "create_at" field in the mutation.

func (*BookLoanMutation) DeliveryDate 

func (m *BookLoanMutation) DeliveryDate() (r time.Time, exists bool)

DeliveryDate returns the value of the "delivery_date" field in the mutation.

func (*BookLoanMutation) EdgeCleared 

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

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

func (*BookLoanMutation) Field 

func (m *BookLoanMutation) 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 (*BookLoanMutation) FieldCleared 

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

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

func (*BookLoanMutation) Fields 

func (m *BookLoanMutation) 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 (*BookLoanMutation) ID 

func (m *BookLoanMutation) ID() (id uuid.UUID, 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 (*BookLoanMutation) IDs 

func (m *BookLoanMutation) IDs(ctx context.Context) ([]uuid.UUID, error)

IDs queries the database and returns the entity ids that match the mutation's predicate. That means, if the mutation is applied within a transaction with an isolation level such as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated or updated by the mutation.

func (*BookLoanMutation) LoanDate 

func (m *BookLoanMutation) LoanDate() (r time.Time, exists bool)

LoanDate returns the value of the "loan_date" field in the mutation.

func (*BookLoanMutation) OldCreateAt 

func (m *BookLoanMutation) OldCreateAt(ctx context.Context) (v time.Time, err error)

OldCreateAt returns the old "create_at" field's value of the BookLoan entity. If the BookLoan 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 (*BookLoanMutation) OldDeliveryDate 

func (m *BookLoanMutation) OldDeliveryDate(ctx context.Context) (v time.Time, err error)

OldDeliveryDate returns the old "delivery_date" field's value of the BookLoan entity. If the BookLoan 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 (*BookLoanMutation) OldField 

func (m *BookLoanMutation) 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 (*BookLoanMutation) OldLoanDate 

func (m *BookLoanMutation) OldLoanDate(ctx context.Context) (v time.Time, err error)

OldLoanDate returns the old "loan_date" field's value of the BookLoan entity. If the BookLoan 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 (*BookLoanMutation) OldUpdatedAt 

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

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

func (m *BookLoanMutation) Op() Op

Op returns the operation name.

func (*BookLoanMutation) RemovedEdges 

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

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

func (*BookLoanMutation) RemovedIDs 

func (m *BookLoanMutation) 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 (*BookLoanMutation) ResetBook 

func (m *BookLoanMutation) ResetBook()

ResetBook resets all changes to the "book" edge.

func (*BookLoanMutation) ResetCreateAt 

func (m *BookLoanMutation) ResetCreateAt()

ResetCreateAt resets all changes to the "create_at" field.

func (*BookLoanMutation) ResetDeliveryDate 

func (m *BookLoanMutation) ResetDeliveryDate()

ResetDeliveryDate resets all changes to the "delivery_date" field.

func (*BookLoanMutation) ResetEdge 

func (m *BookLoanMutation) 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 (*BookLoanMutation) ResetField 

func (m *BookLoanMutation) 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 (*BookLoanMutation) ResetLoanDate 

func (m *BookLoanMutation) ResetLoanDate()

ResetLoanDate resets all changes to the "loan_date" field.

func (*BookLoanMutation) ResetUpdatedAt 

func (m *BookLoanMutation) ResetUpdatedAt()

ResetUpdatedAt resets all changes to the "updated_at" field.

func (*BookLoanMutation) ResetUser 

func (m *BookLoanMutation) ResetUser()

ResetUser resets all changes to the "user" edge.

func (*BookLoanMutation) SetBookID 

func (m *BookLoanMutation) SetBookID(id uuid.UUID)

SetBookID sets the "book" edge to the Book entity by id.

func (*BookLoanMutation) SetCreateAt 

func (m *BookLoanMutation) SetCreateAt(t time.Time)

SetCreateAt sets the "create_at" field.

func (*BookLoanMutation) SetDeliveryDate 

func (m *BookLoanMutation) SetDeliveryDate(t time.Time)

SetDeliveryDate sets the "delivery_date" field.

func (*BookLoanMutation) SetField 

func (m *BookLoanMutation) 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 (*BookLoanMutation) SetID 

func (m *BookLoanMutation) SetID(id uuid.UUID)

SetID sets the value of the id field. Note that this operation is only accepted on creation of BookLoan entities.

func (*BookLoanMutation) SetLoanDate 

func (m *BookLoanMutation) SetLoanDate(t time.Time)

SetLoanDate sets the "loan_date" field.

func (*BookLoanMutation) SetUpdatedAt 

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

SetUpdatedAt sets the "updated_at" field.

func (*BookLoanMutation) SetUserID 

func (m *BookLoanMutation) SetUserID(id uuid.UUID)

SetUserID sets the "user" edge to the User entity by id.

func (BookLoanMutation) Tx 

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

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

func (*BookLoanMutation) Type 

func (m *BookLoanMutation) Type() string

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

func (*BookLoanMutation) UpdatedAt 

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

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

func (*BookLoanMutation) UserCleared 

func (m *BookLoanMutation) UserCleared() bool

UserCleared reports if the "user" edge to the User entity was cleared.

func (*BookLoanMutation) UserID 

func (m *BookLoanMutation) UserID() (id uuid.UUID, exists bool)

UserID returns the "user" edge ID in the mutation.

func (*BookLoanMutation) UserIDs 

func (m *BookLoanMutation) UserIDs() (ids []uuid.UUID)

UserIDs returns the "user" edge IDs in the mutation. Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use UserID instead. It exists only for internal usage by the builders.

func (*BookLoanMutation) Where 

func (m *BookLoanMutation) Where(ps ...predicate.BookLoan)

Where appends a list predicates to the BookLoanMutation builder.

type BookLoanQuery 

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

BookLoanQuery is the builder for querying BookLoan entities.

func (*BookLoanQuery) All 

func (blq *BookLoanQuery) All(ctx context.Context) ([]*BookLoan, error)

All executes the query and returns a list of BookLoans.

func (*BookLoanQuery) AllX 

func (blq *BookLoanQuery) AllX(ctx context.Context) []*BookLoan

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

func (*BookLoanQuery) Clone 

func (blq *BookLoanQuery) Clone() *BookLoanQuery

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

func (*BookLoanQuery) Count 

func (blq *BookLoanQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*BookLoanQuery) CountX 

func (blq *BookLoanQuery) CountX(ctx context.Context) int

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

func (*BookLoanQuery) Exist 

func (blq *BookLoanQuery) Exist(ctx context.Context) (bool, error)

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

func (*BookLoanQuery) ExistX 

func (blq *BookLoanQuery) ExistX(ctx context.Context) bool

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

func (*BookLoanQuery) First 

func (blq *BookLoanQuery) First(ctx context.Context) (*BookLoan, error)

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

func (*BookLoanQuery) FirstID 

func (blq *BookLoanQuery) FirstID(ctx context.Context) (id uuid.UUID, err error)

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

func (*BookLoanQuery) FirstIDX 

func (blq *BookLoanQuery) FirstIDX(ctx context.Context) uuid.UUID

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

func (*BookLoanQuery) FirstX 

func (blq *BookLoanQuery) FirstX(ctx context.Context) *BookLoan

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

func (*BookLoanQuery) GroupBy 

func (blq *BookLoanQuery) GroupBy(field string, fields ...string) *BookLoanGroupBy

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 {
	CreateAt time.Time `json:"create_at,omitempty"`
	Count int `json:"count,omitempty"`
}

client.BookLoan.Query().
	GroupBy(bookloan.FieldCreateAt).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*BookLoanQuery) IDs 

func (blq *BookLoanQuery) IDs(ctx context.Context) ([]uuid.UUID, error)

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

func (*BookLoanQuery) IDsX 

func (blq *BookLoanQuery) IDsX(ctx context.Context) []uuid.UUID

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

func (*BookLoanQuery) Limit 

func (blq *BookLoanQuery) Limit(limit int) *BookLoanQuery

Limit adds a limit step to the query.

func (*BookLoanQuery) Offset 

func (blq *BookLoanQuery) Offset(offset int) *BookLoanQuery

Offset adds an offset step to the query.

func (*BookLoanQuery) Only 

func (blq *BookLoanQuery) Only(ctx context.Context) (*BookLoan, error)

Only returns a single BookLoan entity found by the query, ensuring it only returns one. Returns a *NotSingularError when more than one BookLoan entity is found. Returns a *NotFoundError when no BookLoan entities are found.

func (*BookLoanQuery) OnlyID 

func (blq *BookLoanQuery) OnlyID(ctx context.Context) (id uuid.UUID, err error)

OnlyID is like Only, but returns the only BookLoan ID in the query. Returns a *NotSingularError when more than one BookLoan ID is found. Returns a *NotFoundError when no entities are found.

func (*BookLoanQuery) OnlyIDX 

func (blq *BookLoanQuery) OnlyIDX(ctx context.Context) uuid.UUID

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

func (*BookLoanQuery) OnlyX 

func (blq *BookLoanQuery) OnlyX(ctx context.Context) *BookLoan

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

func (*BookLoanQuery) Order 

func (blq *BookLoanQuery) Order(o ...OrderFunc) *BookLoanQuery

Order adds an order step to the query.

func (*BookLoanQuery) QueryBook 

func (blq *BookLoanQuery) QueryBook() *BookQuery

QueryBook chains the current query on the "book" edge.

func (*BookLoanQuery) QueryUser 

func (blq *BookLoanQuery) QueryUser() *UserQuery

QueryUser chains the current query on the "user" edge.

func (*BookLoanQuery) Select 

func (blq *BookLoanQuery) Select(fields ...string) *BookLoanSelect

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 {
	CreateAt time.Time `json:"create_at,omitempty"`
}

client.BookLoan.Query().
	Select(bookloan.FieldCreateAt).
	Scan(ctx, &v)

func (*BookLoanQuery) Unique 

func (blq *BookLoanQuery) Unique(unique bool) *BookLoanQuery

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 (*BookLoanQuery) Where 

func (blq *BookLoanQuery) Where(ps ...predicate.BookLoan) *BookLoanQuery

Where adds a new predicate for the BookLoanQuery builder.

func (*BookLoanQuery) WithBook 

func (blq *BookLoanQuery) WithBook(opts ...func(*BookQuery)) *BookLoanQuery

WithBook tells the query-builder to eager-load the nodes that are connected to the "book" edge. The optional arguments are used to configure the query builder of the edge.

func (*BookLoanQuery) WithUser 

func (blq *BookLoanQuery) WithUser(opts ...func(*UserQuery)) *BookLoanQuery

WithUser tells the query-builder to eager-load the nodes that are connected to the "user" edge. The optional arguments are used to configure the query builder of the edge.

type BookLoanSelect 

type BookLoanSelect struct {
	*BookLoanQuery
	// contains filtered or unexported fields
}

BookLoanSelect is the builder for selecting fields of BookLoan entities.

func (*BookLoanSelect) Bool 

func (bls *BookLoanSelect) Bool(ctx context.Context) (_ bool, err error)

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

func (*BookLoanSelect) BoolX 

func (bls *BookLoanSelect) BoolX(ctx context.Context) bool

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

func (*BookLoanSelect) Bools 

func (bls *BookLoanSelect) Bools(ctx context.Context) ([]bool, error)

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

func (*BookLoanSelect) BoolsX 

func (bls *BookLoanSelect) BoolsX(ctx context.Context) []bool

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

func (*BookLoanSelect) Float64 

func (bls *BookLoanSelect) Float64(ctx context.Context) (_ float64, err error)

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

func (*BookLoanSelect) Float64X 

func (bls *BookLoanSelect) Float64X(ctx context.Context) float64

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

func (*BookLoanSelect) Float64s 

func (bls *BookLoanSelect) Float64s(ctx context.Context) ([]float64, error)

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

func (*BookLoanSelect) Float64sX 

func (bls *BookLoanSelect) Float64sX(ctx context.Context) []float64

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

func (*BookLoanSelect) Int 

func (bls *BookLoanSelect) Int(ctx context.Context) (_ int, err error)

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

func (*BookLoanSelect) IntX 

func (bls *BookLoanSelect) IntX(ctx context.Context) int

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

func (*BookLoanSelect) Ints 

func (bls *BookLoanSelect) Ints(ctx context.Context) ([]int, error)

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

func (*BookLoanSelect) IntsX 

func (bls *BookLoanSelect) IntsX(ctx context.Context) []int

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

func (*BookLoanSelect) Scan 

func (bls *BookLoanSelect) Scan(ctx context.Context, v interface{}) error

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

func (*BookLoanSelect) ScanX 

func (bls *BookLoanSelect) ScanX(ctx context.Context, v interface{})

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

func (*BookLoanSelect) String 

func (bls *BookLoanSelect) String(ctx context.Context) (_ string, err error)

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

func (*BookLoanSelect) StringX 

func (bls *BookLoanSelect) StringX(ctx context.Context) string

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

func (*BookLoanSelect) Strings 

func (bls *BookLoanSelect) Strings(ctx context.Context) ([]string, error)

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

func (*BookLoanSelect) StringsX 

func (bls *BookLoanSelect) StringsX(ctx context.Context) []string

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

type BookLoanUpdate 

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

BookLoanUpdate is the builder for updating BookLoan entities.

func (*BookLoanUpdate) ClearBook 

func (blu *BookLoanUpdate) ClearBook() *BookLoanUpdate

ClearBook clears the "book" edge to the Book entity.

func (*BookLoanUpdate) ClearUser 

func (blu *BookLoanUpdate) ClearUser() *BookLoanUpdate

ClearUser clears the "user" edge to the User entity.

func (*BookLoanUpdate) Exec 

func (blu *BookLoanUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*BookLoanUpdate) ExecX 

func (blu *BookLoanUpdate) ExecX(ctx context.Context)

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

func (*BookLoanUpdate) Mutation 

func (blu *BookLoanUpdate) Mutation() *BookLoanMutation

Mutation returns the BookLoanMutation object of the builder.

func (*BookLoanUpdate) Save 

func (blu *BookLoanUpdate) Save(ctx context.Context) (int, error)

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

func (*BookLoanUpdate) SaveX 

func (blu *BookLoanUpdate) SaveX(ctx context.Context) int

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

func (*BookLoanUpdate) SetBook 

func (blu *BookLoanUpdate) SetBook(b *Book) *BookLoanUpdate

SetBook sets the "book" edge to the Book entity.

func (*BookLoanUpdate) SetBookID 

func (blu *BookLoanUpdate) SetBookID(id uuid.UUID) *BookLoanUpdate

SetBookID sets the "book" edge to the Book entity by ID.

func (*BookLoanUpdate) SetDeliveryDate 

func (blu *BookLoanUpdate) SetDeliveryDate(t time.Time) *BookLoanUpdate

SetDeliveryDate sets the "delivery_date" field.

func (*BookLoanUpdate) SetUpdatedAt 

func (blu *BookLoanUpdate) SetUpdatedAt(t time.Time) *BookLoanUpdate

SetUpdatedAt sets the "updated_at" field.

func (*BookLoanUpdate) SetUser 

func (blu *BookLoanUpdate) SetUser(u *User) *BookLoanUpdate

SetUser sets the "user" edge to the User entity.

func (*BookLoanUpdate) SetUserID 

func (blu *BookLoanUpdate) SetUserID(id uuid.UUID) *BookLoanUpdate

SetUserID sets the "user" edge to the User entity by ID.

func (*BookLoanUpdate) Where 

func (blu *BookLoanUpdate) Where(ps ...predicate.BookLoan) *BookLoanUpdate

Where appends a list predicates to the BookLoanUpdate builder.

type BookLoanUpdateOne 

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

BookLoanUpdateOne is the builder for updating a single BookLoan entity.

func (*BookLoanUpdateOne) ClearBook 

func (bluo *BookLoanUpdateOne) ClearBook() *BookLoanUpdateOne

ClearBook clears the "book" edge to the Book entity.

func (*BookLoanUpdateOne) ClearUser 

func (bluo *BookLoanUpdateOne) ClearUser() *BookLoanUpdateOne

ClearUser clears the "user" edge to the User entity.

func (*BookLoanUpdateOne) Exec 

func (bluo *BookLoanUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*BookLoanUpdateOne) ExecX 

func (bluo *BookLoanUpdateOne) ExecX(ctx context.Context)

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

func (*BookLoanUpdateOne) Mutation 

func (bluo *BookLoanUpdateOne) Mutation() *BookLoanMutation

Mutation returns the BookLoanMutation object of the builder.

func (*BookLoanUpdateOne) Save 

func (bluo *BookLoanUpdateOne) Save(ctx context.Context) (*BookLoan, error)

Save executes the query and returns the updated BookLoan entity.

func (*BookLoanUpdateOne) SaveX 

func (bluo *BookLoanUpdateOne) SaveX(ctx context.Context) *BookLoan

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

func (*BookLoanUpdateOne) Select 

func (bluo *BookLoanUpdateOne) Select(field string, fields ...string) *BookLoanUpdateOne

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

func (*BookLoanUpdateOne) SetBook 

func (bluo *BookLoanUpdateOne) SetBook(b *Book) *BookLoanUpdateOne

SetBook sets the "book" edge to the Book entity.

func (*BookLoanUpdateOne) SetBookID 

func (bluo *BookLoanUpdateOne) SetBookID(id uuid.UUID) *BookLoanUpdateOne

SetBookID sets the "book" edge to the Book entity by ID.

func (*BookLoanUpdateOne) SetDeliveryDate 

func (bluo *BookLoanUpdateOne) SetDeliveryDate(t time.Time) *BookLoanUpdateOne

SetDeliveryDate sets the "delivery_date" field.

func (*BookLoanUpdateOne) SetUpdatedAt 

func (bluo *BookLoanUpdateOne) SetUpdatedAt(t time.Time) *BookLoanUpdateOne

SetUpdatedAt sets the "updated_at" field.

func (*BookLoanUpdateOne) SetUser 

func (bluo *BookLoanUpdateOne) SetUser(u *User) *BookLoanUpdateOne

SetUser sets the "user" edge to the User entity.

func (*BookLoanUpdateOne) SetUserID 

func (bluo *BookLoanUpdateOne) SetUserID(id uuid.UUID) *BookLoanUpdateOne

SetUserID sets the "user" edge to the User entity by ID.

type BookLoans 

type BookLoans []*BookLoan

BookLoans is a parsable slice of BookLoan.

type BookMutation 

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

BookMutation represents an operation that mutates the Book nodes in the graph.

func (*BookMutation) Abstract 

func (m *BookMutation) Abstract() (r string, exists bool)

Abstract returns the value of the "abstract" field in the mutation.

func (*BookMutation) AbstractCleared 

func (m *BookMutation) AbstractCleared() bool

AbstractCleared returns if the "abstract" field was cleared in this mutation.

func (*BookMutation) AddField 

func (m *BookMutation) 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 (*BookMutation) AddOnLoanIDs 

func (m *BookMutation) AddOnLoanIDs(ids ...uuid.UUID)

AddOnLoanIDs adds the "on_loans" edge to the BookLoan entity by ids.

func (*BookMutation) AddPages 

func (m *BookMutation) AddPages(u int16)

AddPages adds u to the "pages" field.

func (*BookMutation) AddedEdges 

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

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

func (*BookMutation) AddedField 

func (m *BookMutation) 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 (*BookMutation) AddedFields 

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

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

func (*BookMutation) AddedIDs 

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

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

func (*BookMutation) AddedPages 

func (m *BookMutation) AddedPages() (r int16, exists bool)

AddedPages returns the value that was added to the "pages" field in this mutation.

func (*BookMutation) AuthorCleared 

func (m *BookMutation) AuthorCleared() bool

AuthorCleared reports if the "author" edge to the User entity was cleared.

func (*BookMutation) AuthorID 

func (m *BookMutation) AuthorID() (id uuid.UUID, exists bool)

AuthorID returns the "author" edge ID in the mutation.

func (*BookMutation) AuthorIDs 

func (m *BookMutation) AuthorIDs() (ids []uuid.UUID)

AuthorIDs returns the "author" edge IDs in the mutation. Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use AuthorID instead. It exists only for internal usage by the builders.

func (*BookMutation) Category 

func (m *BookMutation) Category() (r book.Category, exists bool)

Category returns the value of the "category" field in the mutation.

func (*BookMutation) ClearAbstract 

func (m *BookMutation) ClearAbstract()

ClearAbstract clears the value of the "abstract" field.

func (*BookMutation) ClearAuthor 

func (m *BookMutation) ClearAuthor()

ClearAuthor clears the "author" edge to the User entity.

func (*BookMutation) ClearEdge 

func (m *BookMutation) 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 (*BookMutation) ClearField 

func (m *BookMutation) 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 (*BookMutation) ClearOnLoans 

func (m *BookMutation) ClearOnLoans()

ClearOnLoans clears the "on_loans" edge to the BookLoan entity.

func (*BookMutation) ClearedEdges 

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

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

func (*BookMutation) ClearedFields 

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

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

func (BookMutation) Client 

func (m BookMutation) 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 (*BookMutation) CoverURL 

func (m *BookMutation) CoverURL() (r string, exists bool)

CoverURL returns the value of the "cover_url" field in the mutation.

func (*BookMutation) CreateAt 

func (m *BookMutation) CreateAt() (r time.Time, exists bool)

CreateAt returns the value of the "create_at" field in the mutation.

func (*BookMutation) EdgeCleared 

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

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

func (*BookMutation) Field 

func (m *BookMutation) 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 (*BookMutation) FieldCleared 

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

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

func (*BookMutation) Fields 

func (m *BookMutation) 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 (*BookMutation) ID 

func (m *BookMutation) ID() (id uuid.UUID, 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 (*BookMutation) IDs 

func (m *BookMutation) IDs(ctx context.Context) ([]uuid.UUID, error)

IDs queries the database and returns the entity ids that match the mutation's predicate. That means, if the mutation is applied within a transaction with an isolation level such as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated or updated by the mutation.

func (*BookMutation) OldAbstract 

func (m *BookMutation) OldAbstract(ctx context.Context) (v string, err error)

OldAbstract returns the old "abstract" field's value of the Book entity. If the Book 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 (*BookMutation) OldCategory 

func (m *BookMutation) OldCategory(ctx context.Context) (v book.Category, err error)

OldCategory returns the old "category" field's value of the Book entity. If the Book 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 (*BookMutation) OldCoverURL 

func (m *BookMutation) OldCoverURL(ctx context.Context) (v string, err error)

OldCoverURL returns the old "cover_url" field's value of the Book entity. If the Book 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 (*BookMutation) OldCreateAt 

func (m *BookMutation) OldCreateAt(ctx context.Context) (v time.Time, err error)

OldCreateAt returns the old "create_at" field's value of the Book entity. If the Book 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 (*BookMutation) OldField 

func (m *BookMutation) 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 (*BookMutation) OldPages 

func (m *BookMutation) OldPages(ctx context.Context) (v uint16, err error)

OldPages returns the old "pages" field's value of the Book entity. If the Book 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 (*BookMutation) OldTitle 

func (m *BookMutation) OldTitle(ctx context.Context) (v string, err error)

OldTitle returns the old "title" field's value of the Book entity. If the Book 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 (*BookMutation) OldUpdatedAt 

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

OldUpdatedAt returns the old "updated_at" field's value of the Book entity. If the Book 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 (*BookMutation) OnLoansCleared 

func (m *BookMutation) OnLoansCleared() bool

OnLoansCleared reports if the "on_loans" edge to the BookLoan entity was cleared.

func (*BookMutation) OnLoansIDs 

func (m *BookMutation) OnLoansIDs() (ids []uuid.UUID)

OnLoansIDs returns the "on_loans" edge IDs in the mutation.

func (*BookMutation) Op 

func (m *BookMutation) Op() Op

Op returns the operation name.

func (*BookMutation) Pages 

func (m *BookMutation) Pages() (r uint16, exists bool)

Pages returns the value of the "pages" field in the mutation.

func (*BookMutation) RemoveOnLoanIDs 

func (m *BookMutation) RemoveOnLoanIDs(ids ...uuid.UUID)

RemoveOnLoanIDs removes the "on_loans" edge to the BookLoan entity by IDs.

func (*BookMutation) RemovedEdges 

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

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

func (*BookMutation) RemovedIDs 

func (m *BookMutation) 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 (*BookMutation) RemovedOnLoansIDs 

func (m *BookMutation) RemovedOnLoansIDs() (ids []uuid.UUID)

RemovedOnLoans returns the removed IDs of the "on_loans" edge to the BookLoan entity.

func (*BookMutation) ResetAbstract 

func (m *BookMutation) ResetAbstract()

ResetAbstract resets all changes to the "abstract" field.

func (*BookMutation) ResetAuthor 

func (m *BookMutation) ResetAuthor()

ResetAuthor resets all changes to the "author" edge.

func (*BookMutation) ResetCategory 

func (m *BookMutation) ResetCategory()

ResetCategory resets all changes to the "category" field.

func (*BookMutation) ResetCoverURL 

func (m *BookMutation) ResetCoverURL()

ResetCoverURL resets all changes to the "cover_url" field.

func (*BookMutation) ResetCreateAt 

func (m *BookMutation) ResetCreateAt()

ResetCreateAt resets all changes to the "create_at" field.

func (*BookMutation) ResetEdge 

func (m *BookMutation) 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 (*BookMutation) ResetField 

func (m *BookMutation) 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 (*BookMutation) ResetOnLoans 

func (m *BookMutation) ResetOnLoans()

ResetOnLoans resets all changes to the "on_loans" edge.

func (*BookMutation) ResetPages 

func (m *BookMutation) ResetPages()

ResetPages resets all changes to the "pages" field.

func (*BookMutation) ResetTitle 

func (m *BookMutation) ResetTitle()

ResetTitle resets all changes to the "title" field.

func (*BookMutation) ResetUpdatedAt 

func (m *BookMutation) ResetUpdatedAt()

ResetUpdatedAt resets all changes to the "updated_at" field.

func (*BookMutation) SetAbstract 

func (m *BookMutation) SetAbstract(s string)

SetAbstract sets the "abstract" field.

func (*BookMutation) SetAuthorID 

func (m *BookMutation) SetAuthorID(id uuid.UUID)

SetAuthorID sets the "author" edge to the User entity by id.

func (*BookMutation) SetCategory 

func (m *BookMutation) SetCategory(b book.Category)

SetCategory sets the "category" field.

func (*BookMutation) SetCoverURL 

func (m *BookMutation) SetCoverURL(s string)

SetCoverURL sets the "cover_url" field.

func (*BookMutation) SetCreateAt 

func (m *BookMutation) SetCreateAt(t time.Time)

SetCreateAt sets the "create_at" field.

func (*BookMutation) SetField 

func (m *BookMutation) 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 (*BookMutation) SetID 

func (m *BookMutation) SetID(id uuid.UUID)

SetID sets the value of the id field. Note that this operation is only accepted on creation of Book entities.

func (*BookMutation) SetPages 

func (m *BookMutation) SetPages(u uint16)

SetPages sets the "pages" field.

func (*BookMutation) SetTitle 

func (m *BookMutation) SetTitle(s string)

SetTitle sets the "title" field.

func (*BookMutation) SetUpdatedAt 

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

SetUpdatedAt sets the "updated_at" field.

func (*BookMutation) Title 

func (m *BookMutation) Title() (r string, exists bool)

Title returns the value of the "title" field in the mutation.

func (BookMutation) Tx 

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

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

func (*BookMutation) Type 

func (m *BookMutation) Type() string

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

func (*BookMutation) UpdatedAt 

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

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

func (*BookMutation) Where 

func (m *BookMutation) Where(ps ...predicate.Book)

Where appends a list predicates to the BookMutation builder.

type BookQuery 

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

BookQuery is the builder for querying Book entities.

func (*BookQuery) All 

func (bq *BookQuery) All(ctx context.Context) ([]*Book, error)

All executes the query and returns a list of Books.

func (*BookQuery) AllX 

func (bq *BookQuery) AllX(ctx context.Context) []*Book

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

func (*BookQuery) Clone 

func (bq *BookQuery) Clone() *BookQuery

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

func (*BookQuery) Count 

func (bq *BookQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*BookQuery) CountX 

func (bq *BookQuery) CountX(ctx context.Context) int

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

func (*BookQuery) Exist 

func (bq *BookQuery) Exist(ctx context.Context) (bool, error)

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

func (*BookQuery) ExistX 

func (bq *BookQuery) ExistX(ctx context.Context) bool

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

func (*BookQuery) First 

func (bq *BookQuery) First(ctx context.Context) (*Book, error)

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

func (*BookQuery) FirstID 

func (bq *BookQuery) FirstID(ctx context.Context) (id uuid.UUID, err error)

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

func (*BookQuery) FirstIDX 

func (bq *BookQuery) FirstIDX(ctx context.Context) uuid.UUID

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

func (*BookQuery) FirstX 

func (bq *BookQuery) FirstX(ctx context.Context) *Book

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

func (*BookQuery) GroupBy 

func (bq *BookQuery) GroupBy(field string, fields ...string) *BookGroupBy

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 {
	CreateAt time.Time `json:"create_at,omitempty"`
	Count int `json:"count,omitempty"`
}

client.Book.Query().
	GroupBy(book.FieldCreateAt).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*BookQuery) IDs 

func (bq *BookQuery) IDs(ctx context.Context) ([]uuid.UUID, error)

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

func (*BookQuery) IDsX 

func (bq *BookQuery) IDsX(ctx context.Context) []uuid.UUID

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

func (*BookQuery) Limit 

func (bq *BookQuery) Limit(limit int) *BookQuery

Limit adds a limit step to the query.

func (*BookQuery) Offset 

func (bq *BookQuery) Offset(offset int) *BookQuery

Offset adds an offset step to the query.

func (*BookQuery) Only 

func (bq *BookQuery) Only(ctx context.Context) (*Book, error)

Only returns a single Book entity found by the query, ensuring it only returns one. Returns a *NotSingularError when more than one Book entity is found. Returns a *NotFoundError when no Book entities are found.

func (*BookQuery) OnlyID 

func (bq *BookQuery) OnlyID(ctx context.Context) (id uuid.UUID, err error)

OnlyID is like Only, but returns the only Book ID in the query. Returns a *NotSingularError when more than one Book ID is found. Returns a *NotFoundError when no entities are found.

func (*BookQuery) OnlyIDX 

func (bq *BookQuery) OnlyIDX(ctx context.Context) uuid.UUID

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

func (*BookQuery) OnlyX 

func (bq *BookQuery) OnlyX(ctx context.Context) *Book

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

func (*BookQuery) Order 

func (bq *BookQuery) Order(o ...OrderFunc) *BookQuery

Order adds an order step to the query.

func (*BookQuery) QueryAuthor 

func (bq *BookQuery) QueryAuthor() *UserQuery

QueryAuthor chains the current query on the "author" edge.

func (*BookQuery) QueryOnLoans 

func (bq *BookQuery) QueryOnLoans() *BookLoanQuery

QueryOnLoans chains the current query on the "on_loans" edge.

func (*BookQuery) Select 

func (bq *BookQuery) Select(fields ...string) *BookSelect

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 {
	CreateAt time.Time `json:"create_at,omitempty"`
}

client.Book.Query().
	Select(book.FieldCreateAt).
	Scan(ctx, &v)

func (*BookQuery) Unique 

func (bq *BookQuery) Unique(unique bool) *BookQuery

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 (*BookQuery) Where 

func (bq *BookQuery) Where(ps ...predicate.Book) *BookQuery

Where adds a new predicate for the BookQuery builder.

func (*BookQuery) WithAuthor 

func (bq *BookQuery) WithAuthor(opts ...func(*UserQuery)) *BookQuery

WithAuthor tells the query-builder to eager-load the nodes that are connected to the "author" edge. The optional arguments are used to configure the query builder of the edge.

func (*BookQuery) WithOnLoans 

func (bq *BookQuery) WithOnLoans(opts ...func(*BookLoanQuery)) *BookQuery

WithOnLoans tells the query-builder to eager-load the nodes that are connected to the "on_loans" edge. The optional arguments are used to configure the query builder of the edge.

type BookSelect 

type BookSelect struct {
	*BookQuery
	// contains filtered or unexported fields
}

BookSelect is the builder for selecting fields of Book entities.

func (*BookSelect) Bool 

func (bs *BookSelect) Bool(ctx context.Context) (_ bool, err error)

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

func (*BookSelect) BoolX 

func (bs *BookSelect) BoolX(ctx context.Context) bool

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

func (*BookSelect) Bools 

func (bs *BookSelect) Bools(ctx context.Context) ([]bool, error)

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

func (*BookSelect) BoolsX 

func (bs *BookSelect) BoolsX(ctx context.Context) []bool

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

func (*BookSelect) Float64 

func (bs *BookSelect) Float64(ctx context.Context) (_ float64, err error)

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

func (*BookSelect) Float64X 

func (bs *BookSelect) Float64X(ctx context.Context) float64

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

func (*BookSelect) Float64s 

func (bs *BookSelect) Float64s(ctx context.Context) ([]float64, error)

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

func (*BookSelect) Float64sX 

func (bs *BookSelect) Float64sX(ctx context.Context) []float64

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

func (*BookSelect) Int 

func (bs *BookSelect) Int(ctx context.Context) (_ int, err error)

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

func (*BookSelect) IntX 

func (bs *BookSelect) IntX(ctx context.Context) int

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

func (*BookSelect) Ints 

func (bs *BookSelect) Ints(ctx context.Context) ([]int, error)

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

func (*BookSelect) IntsX 

func (bs *BookSelect) IntsX(ctx context.Context) []int

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

func (*BookSelect) Scan 

func (bs *BookSelect) Scan(ctx context.Context, v interface{}) error

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

func (*BookSelect) ScanX 

func (bs *BookSelect) ScanX(ctx context.Context, v interface{})

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

func (*BookSelect) String 

func (bs *BookSelect) String(ctx context.Context) (_ string, err error)

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

func (*BookSelect) StringX 

func (bs *BookSelect) StringX(ctx context.Context) string

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

func (*BookSelect) Strings 

func (bs *BookSelect) Strings(ctx context.Context) ([]string, error)

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

func (*BookSelect) StringsX 

func (bs *BookSelect) StringsX(ctx context.Context) []string

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

type BookUpdate 

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

BookUpdate is the builder for updating Book entities.

func (*BookUpdate) AddOnLoanIDs 

func (bu *BookUpdate) AddOnLoanIDs(ids ...uuid.UUID) *BookUpdate

AddOnLoanIDs adds the "on_loans" edge to the BookLoan entity by IDs.

func (*BookUpdate) AddOnLoans 

func (bu *BookUpdate) AddOnLoans(b ...*BookLoan) *BookUpdate

AddOnLoans adds the "on_loans" edges to the BookLoan entity.

func (*BookUpdate) AddPages 

func (bu *BookUpdate) AddPages(u int16) *BookUpdate

AddPages adds u to the "pages" field.

func (*BookUpdate) ClearAbstract 

func (bu *BookUpdate) ClearAbstract() *BookUpdate

ClearAbstract clears the value of the "abstract" field.

func (*BookUpdate) ClearAuthor 

func (bu *BookUpdate) ClearAuthor() *BookUpdate

ClearAuthor clears the "author" edge to the User entity.

func (*BookUpdate) ClearOnLoans 

func (bu *BookUpdate) ClearOnLoans() *BookUpdate

ClearOnLoans clears all "on_loans" edges to the BookLoan entity.

func (*BookUpdate) Exec 

func (bu *BookUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*BookUpdate) ExecX 

func (bu *BookUpdate) ExecX(ctx context.Context)

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

func (*BookUpdate) Mutation 

func (bu *BookUpdate) Mutation() *BookMutation

Mutation returns the BookMutation object of the builder.

func (*BookUpdate) RemoveOnLoanIDs 

func (bu *BookUpdate) RemoveOnLoanIDs(ids ...uuid.UUID) *BookUpdate

RemoveOnLoanIDs removes the "on_loans" edge to BookLoan entities by IDs.

func (*BookUpdate) RemoveOnLoans 

func (bu *BookUpdate) RemoveOnLoans(b ...*BookLoan) *BookUpdate

RemoveOnLoans removes "on_loans" edges to BookLoan entities.

func (*BookUpdate) Save 

func (bu *BookUpdate) Save(ctx context.Context) (int, error)

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

func (*BookUpdate) SaveX 

func (bu *BookUpdate) SaveX(ctx context.Context) int

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

func (*BookUpdate) SetAbstract 

func (bu *BookUpdate) SetAbstract(s string) *BookUpdate

SetAbstract sets the "abstract" field.

func (*BookUpdate) SetAuthor 

func (bu *BookUpdate) SetAuthor(u *User) *BookUpdate

SetAuthor sets the "author" edge to the User entity.

func (*BookUpdate) SetAuthorID 

func (bu *BookUpdate) SetAuthorID(id uuid.UUID) *BookUpdate

SetAuthorID sets the "author" edge to the User entity by ID.

func (*BookUpdate) SetCategory 

func (bu *BookUpdate) SetCategory(b book.Category) *BookUpdate

SetCategory sets the "category" field.

func (*BookUpdate) SetCoverURL 

func (bu *BookUpdate) SetCoverURL(s string) *BookUpdate

SetCoverURL sets the "cover_url" field.

func (*BookUpdate) SetNillableAbstract 

func (bu *BookUpdate) SetNillableAbstract(s *string) *BookUpdate

SetNillableAbstract sets the "abstract" field if the given value is not nil.

func (*BookUpdate) SetPages 

func (bu *BookUpdate) SetPages(u uint16) *BookUpdate

SetPages sets the "pages" field.

func (*BookUpdate) SetTitle 

func (bu *BookUpdate) SetTitle(s string) *BookUpdate

SetTitle sets the "title" field.

func (*BookUpdate) SetUpdatedAt 

func (bu *BookUpdate) SetUpdatedAt(t time.Time) *BookUpdate

SetUpdatedAt sets the "updated_at" field.

func (*BookUpdate) Where 

func (bu *BookUpdate) Where(ps ...predicate.Book) *BookUpdate

Where appends a list predicates to the BookUpdate builder.

type BookUpdateOne 

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

BookUpdateOne is the builder for updating a single Book entity.

func (*BookUpdateOne) AddOnLoanIDs 

func (buo *BookUpdateOne) AddOnLoanIDs(ids ...uuid.UUID) *BookUpdateOne

AddOnLoanIDs adds the "on_loans" edge to the BookLoan entity by IDs.

func (*BookUpdateOne) AddOnLoans 

func (buo *BookUpdateOne) AddOnLoans(b ...*BookLoan) *BookUpdateOne

AddOnLoans adds the "on_loans" edges to the BookLoan entity.

func (*BookUpdateOne) AddPages 

func (buo *BookUpdateOne) AddPages(u int16) *BookUpdateOne

AddPages adds u to the "pages" field.

func (*BookUpdateOne) ClearAbstract 

func (buo *BookUpdateOne) ClearAbstract() *BookUpdateOne

ClearAbstract clears the value of the "abstract" field.

func (*BookUpdateOne) ClearAuthor 

func (buo *BookUpdateOne) ClearAuthor() *BookUpdateOne

ClearAuthor clears the "author" edge to the User entity.

func (*BookUpdateOne) ClearOnLoans 

func (buo *BookUpdateOne) ClearOnLoans() *BookUpdateOne

ClearOnLoans clears all "on_loans" edges to the BookLoan entity.

func (*BookUpdateOne) Exec 

func (buo *BookUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*BookUpdateOne) ExecX 

func (buo *BookUpdateOne) ExecX(ctx context.Context)

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

func (*BookUpdateOne) Mutation 

func (buo *BookUpdateOne) Mutation() *BookMutation

Mutation returns the BookMutation object of the builder.

func (*BookUpdateOne) RemoveOnLoanIDs 

func (buo *BookUpdateOne) RemoveOnLoanIDs(ids ...uuid.UUID) *BookUpdateOne

RemoveOnLoanIDs removes the "on_loans" edge to BookLoan entities by IDs.

func (*BookUpdateOne) RemoveOnLoans 

func (buo *BookUpdateOne) RemoveOnLoans(b ...*BookLoan) *BookUpdateOne

RemoveOnLoans removes "on_loans" edges to BookLoan entities.

func (*BookUpdateOne) Save 

func (buo *BookUpdateOne) Save(ctx context.Context) (*Book, error)

Save executes the query and returns the updated Book entity.

func (*BookUpdateOne) SaveX 

func (buo *BookUpdateOne) SaveX(ctx context.Context) *Book

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

func (*BookUpdateOne) Select 

func (buo *BookUpdateOne) Select(field string, fields ...string) *BookUpdateOne

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

func (*BookUpdateOne) SetAbstract 

func (buo *BookUpdateOne) SetAbstract(s string) *BookUpdateOne

SetAbstract sets the "abstract" field.

func (*BookUpdateOne) SetAuthor 

func (buo *BookUpdateOne) SetAuthor(u *User) *BookUpdateOne

SetAuthor sets the "author" edge to the User entity.

func (*BookUpdateOne) SetAuthorID 

func (buo *BookUpdateOne) SetAuthorID(id uuid.UUID) *BookUpdateOne

SetAuthorID sets the "author" edge to the User entity by ID.

func (*BookUpdateOne) SetCategory 

func (buo *BookUpdateOne) SetCategory(b book.Category) *BookUpdateOne

SetCategory sets the "category" field.

func (*BookUpdateOne) SetCoverURL 

func (buo *BookUpdateOne) SetCoverURL(s string) *BookUpdateOne

SetCoverURL sets the "cover_url" field.

func (*BookUpdateOne) SetNillableAbstract 

func (buo *BookUpdateOne) SetNillableAbstract(s *string) *BookUpdateOne

SetNillableAbstract sets the "abstract" field if the given value is not nil.

func (*BookUpdateOne) SetPages 

func (buo *BookUpdateOne) SetPages(u uint16) *BookUpdateOne

SetPages sets the "pages" field.

func (*BookUpdateOne) SetTitle 

func (buo *BookUpdateOne) SetTitle(s string) *BookUpdateOne

SetTitle sets the "title" field.

func (*BookUpdateOne) SetUpdatedAt 

func (buo *BookUpdateOne) SetUpdatedAt(t time.Time) *BookUpdateOne

SetUpdatedAt sets the "updated_at" field.

type Books 

type Books []*Book

Books is a parsable slice of Book.

type Client 

type Client struct {

	// Schema is the client for creating, migrating and dropping schema.
	Schema *migrate.Schema
	// Book is the client for interacting with the Book builders.
	Book *BookClient
	// BookLoan is the client for interacting with the BookLoan builders.
	BookLoan *BookLoanClient
	// 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 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().
	Book.
	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(ctx 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 Commit 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(ctx 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 Rollback method.

type Tx 

type Tx struct {

	// Book is the client for interacting with the Book builders.
	Book *BookClient
	// BookLoan is the client for interacting with the BookLoan builders.
	BookLoan *BookLoanClient
	// 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 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 User 

type User struct {

	// ID of the ent.
	ID uuid.UUID `json:"id,omitempty"`
	// CreateAt holds the value of the "create_at" field.
	CreateAt time.Time `json:"create_at,omitempty"`
	// UpdatedAt holds the value of the "updated_at" field.
	UpdatedAt time.Time `json:"updated_at,omitempty"`
	// FirstName holds the value of the "first_name" field.
	FirstName string `json:"first_name,omitempty"`
	// LastName holds the value of the "last_name" field.
	LastName string `json:"last_name,omitempty"`
	// Email holds the value of the "email" field.
	Email string `json:"email,omitempty"`
	// Password holds the value of the "password" field.
	Password string `json:"-"`
	// 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) QueryBooks 

func (u *User) QueryBooks() *BookQuery

QueryBooks queries the "books" edge of the User entity.

func (*User) QueryLoans 

func (u *User) QueryLoans() *BookLoanQuery

QueryLoans queries the "loans" edge of the User entity.

func (*User) String 

func (u *User) String() string

String implements the fmt.Stringer.

func (*User) Unwrap 

func (u *User) Unwrap() *User

Unwrap unwraps the User 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 (*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

CreateBulk 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 uuid.UUID) *UserDeleteOne

DeleteOneID returns a delete builder for the given id.

func (*UserClient) Get 

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

Get returns a User entity by its id.

func (*UserClient) GetX 

func (c *UserClient) GetX(ctx context.Context, id uuid.UUID) *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) QueryBooks 

func (c *UserClient) QueryBooks(u *User) *BookQuery

QueryBooks queries the books edge of a User.

func (*UserClient) QueryLoans 

func (c *UserClient) QueryLoans(u *User) *BookLoanQuery

QueryLoans queries the loans 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 uuid.UUID) *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) AddBookIDs 

func (uc *UserCreate) AddBookIDs(ids ...uuid.UUID) *UserCreate

AddBookIDs adds the "books" edge to the Book entity by IDs.

func (*UserCreate) AddBooks 

func (uc *UserCreate) AddBooks(b ...*Book) *UserCreate

AddBooks adds the "books" edges to the Book entity.

func (*UserCreate) AddLoanIDs 

func (uc *UserCreate) AddLoanIDs(ids ...uuid.UUID) *UserCreate

AddLoanIDs adds the "loans" edge to the BookLoan entity by IDs.

func (*UserCreate) AddLoans 

func (uc *UserCreate) AddLoans(b ...*BookLoan) *UserCreate

AddLoans adds the "loans" edges to the BookLoan entity.

func (*UserCreate) Exec 

func (uc *UserCreate) Exec(ctx context.Context) error

Exec executes the query.

func (*UserCreate) ExecX 

func (uc *UserCreate) ExecX(ctx context.Context)

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

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) SetCreateAt 

func (uc *UserCreate) SetCreateAt(t time.Time) *UserCreate

SetCreateAt sets the "create_at" field.

func (*UserCreate) SetEmail 

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

SetEmail sets the "email" field.

func (*UserCreate) SetFirstName 

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

SetFirstName sets the "first_name" field.

func (*UserCreate) SetID 

func (uc *UserCreate) SetID(u uuid.UUID) *UserCreate

SetID sets the "id" field.

func (*UserCreate) SetLastName 

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

SetLastName sets the "last_name" field.

func (*UserCreate) SetNillableCreateAt 

func (uc *UserCreate) SetNillableCreateAt(t *time.Time) *UserCreate

SetNillableCreateAt sets the "create_at" field if the given value is not nil.

func (*UserCreate) SetNillableID 

func (uc *UserCreate) SetNillableID(u *uuid.UUID) *UserCreate

SetNillableID sets the "id" field if the given value is not nil.

func (*UserCreate) SetNillableUpdatedAt 

func (uc *UserCreate) SetNillableUpdatedAt(t *time.Time) *UserCreate

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

func (*UserCreate) SetPassword 

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

SetPassword sets the "password" field.

func (*UserCreate) SetUpdatedAt 

func (uc *UserCreate) SetUpdatedAt(t time.Time) *UserCreate

SetUpdatedAt sets the "updated_at" field.

type UserCreateBulk 

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

UserCreateBulk is the builder for creating many User entities in bulk.

func (*UserCreateBulk) Exec 

func (ucb *UserCreateBulk) Exec(ctx context.Context) error

Exec executes the query.

func (*UserCreateBulk) ExecX 

func (ucb *UserCreateBulk) ExecX(ctx context.Context)

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

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 is like Save, but panics if an error occurs.

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 appends a list predicates to the UserDelete 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 {
	// Books holds the value of the books edge.
	Books []*Book `json:"books,omitempty"`
	// Loans holds the value of the loans edge.
	Loans []*BookLoan `json:"loans,omitempty"`
	// contains filtered or unexported fields
}

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

func (UserEdges) BooksOrErr 

func (e UserEdges) BooksOrErr() ([]*Book, error)

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

func (UserEdges) LoansOrErr 

func (e UserEdges) LoansOrErr() ([]*BookLoan, error)

LoansOrErr returns the Loans 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 group-by builder for 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 a group-by query. It is only allowed when executing a group-by query 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 executing a group-by query 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 a group-by query. It is only allowed when executing a group-by query 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 executing a group-by query 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 a group-by query. It is only allowed when executing a group-by query 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 executing a group-by query 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 scans 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 a group-by query. It is only allowed when executing a group-by query 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 executing a group-by query 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 mutates the User nodes in the graph.

func (*UserMutation) AddBookIDs 

func (m *UserMutation) AddBookIDs(ids ...uuid.UUID)

AddBookIDs adds the "books" edge to the Book entity by ids.

func (*UserMutation) AddField 

func (m *UserMutation) 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 (*UserMutation) AddLoanIDs 

func (m *UserMutation) AddLoanIDs(ids ...uuid.UUID)

AddLoanIDs adds the "loans" edge to the BookLoan entity by ids.

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 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 (*UserMutation) AddedFields 

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

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

func (*UserMutation) BooksCleared 

func (m *UserMutation) BooksCleared() bool

BooksCleared reports if the "books" edge to the Book entity was cleared.

func (*UserMutation) BooksIDs 

func (m *UserMutation) BooksIDs() (ids []uuid.UUID)

BooksIDs returns the "books" edge IDs in the mutation.

func (*UserMutation) ClearBooks 

func (m *UserMutation) ClearBooks()

ClearBooks clears the "books" edge to the Book entity.

func (*UserMutation) ClearEdge 

func (m *UserMutation) 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 (*UserMutation) ClearField 

func (m *UserMutation) 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 (*UserMutation) ClearLoans 

func (m *UserMutation) ClearLoans()

ClearLoans clears the "loans" edge to the BookLoan entity.

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) CreateAt 

func (m *UserMutation) CreateAt() (r time.Time, exists bool)

CreateAt returns the value of the "create_at" field in the mutation.

func (*UserMutation) EdgeCleared 

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

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

func (*UserMutation) Email 

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

Email returns the value of the "email" field in the 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 return value indicates that this field was not set, or was not defined in the schema.

func (*UserMutation) FieldCleared 

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

FieldCleared returns a boolean indicating if a field with the given name 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 incremented/decremented, call AddedFields().

func (*UserMutation) FirstName 

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

FirstName returns the value of the "first_name" field in the mutation.

func (*UserMutation) ID 

func (m *UserMutation) ID() (id uuid.UUID, 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 (*UserMutation) IDs 

func (m *UserMutation) IDs(ctx context.Context) ([]uuid.UUID, error)

IDs queries the database and returns the entity ids that match the mutation's predicate. That means, if the mutation is applied within a transaction with an isolation level such as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated or updated by the mutation.

func (*UserMutation) LastName 

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

LastName returns the value of the "last_name" field in the mutation.

func (*UserMutation) LoansCleared 

func (m *UserMutation) LoansCleared() bool

LoansCleared reports if the "loans" edge to the BookLoan entity was cleared.

func (*UserMutation) LoansIDs 

func (m *UserMutation) LoansIDs() (ids []uuid.UUID)

LoansIDs returns the "loans" edge IDs in the mutation.

func (*UserMutation) OldCreateAt 

func (m *UserMutation) OldCreateAt(ctx context.Context) (v time.Time, err error)

OldCreateAt returns the old "create_at" field's value of the User entity. 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 the database query fails.

func (*UserMutation) OldEmail 

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

OldEmail returns the old "email" field's value of the User entity. 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 the 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 failed.

func (*UserMutation) OldFirstName 

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

OldFirstName returns the old "first_name" field's value of the User entity. 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 the database query fails.

func (*UserMutation) OldLastName 

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

OldLastName returns the old "last_name" field's value of the User entity. 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 the database query fails.

func (*UserMutation) OldPassword 

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

OldPassword returns the old "password" field's value of the User entity. 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 the database query fails.

func (*UserMutation) OldUpdatedAt 

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

OldUpdatedAt returns the old "updated_at" field's value of the User entity. 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 the database query fails.

func (*UserMutation) Op 

func (m *UserMutation) Op() Op

Op returns the operation name.

func (*UserMutation) Password 

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

Password returns the value of the "password" field in the mutation.

func (*UserMutation) RemoveBookIDs 

func (m *UserMutation) RemoveBookIDs(ids ...uuid.UUID)

RemoveBookIDs removes the "books" edge to the Book entity by IDs.

func (*UserMutation) RemoveLoanIDs 

func (m *UserMutation) RemoveLoanIDs(ids ...uuid.UUID)

RemoveLoanIDs removes the "loans" edge to the BookLoan entity by IDs.

func (*UserMutation) RemovedBooksIDs 

func (m *UserMutation) RemovedBooksIDs() (ids []uuid.UUID)

RemovedBooks returns the removed IDs of the "books" edge to the Book entity.

func (*UserMutation) RemovedEdges 

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

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

func (*UserMutation) RemovedIDs 

func (m *UserMutation) 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 (*UserMutation) RemovedLoansIDs 

func (m *UserMutation) RemovedLoansIDs() (ids []uuid.UUID)

RemovedLoans returns the removed IDs of the "loans" edge to the BookLoan entity.

func (*UserMutation) ResetBooks 

func (m *UserMutation) ResetBooks()

ResetBooks resets all changes to the "books" edge.

func (*UserMutation) ResetCreateAt 

func (m *UserMutation) ResetCreateAt()

ResetCreateAt resets all changes to the "create_at" field.

func (*UserMutation) ResetEdge 

func (m *UserMutation) 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 (*UserMutation) ResetEmail 

func (m *UserMutation) ResetEmail()

ResetEmail resets all changes to the "email" field.

func (*UserMutation) ResetField 

func (m *UserMutation) 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 (*UserMutation) ResetFirstName 

func (m *UserMutation) ResetFirstName()

ResetFirstName resets all changes to the "first_name" field.

func (*UserMutation) ResetLastName 

func (m *UserMutation) ResetLastName()

ResetLastName resets all changes to the "last_name" field.

func (*UserMutation) ResetLoans 

func (m *UserMutation) ResetLoans()

ResetLoans resets all changes to the "loans" edge.

func (*UserMutation) ResetPassword 

func (m *UserMutation) ResetPassword()

ResetPassword resets all changes to the "password" field.

func (*UserMutation) ResetUpdatedAt 

func (m *UserMutation) ResetUpdatedAt()

ResetUpdatedAt resets all changes to the "updated_at" field.

func (*UserMutation) SetCreateAt 

func (m *UserMutation) SetCreateAt(t time.Time)

SetCreateAt sets the "create_at" field.

func (*UserMutation) SetEmail 

func (m *UserMutation) SetEmail(s string)

SetEmail sets the "email" field.

func (*UserMutation) SetField 

func (m *UserMutation) 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 (*UserMutation) SetFirstName 

func (m *UserMutation) SetFirstName(s string)

SetFirstName sets the "first_name" field.

func (*UserMutation) SetID 

func (m *UserMutation) SetID(id uuid.UUID)

SetID sets the value of the id field. Note that this operation is only accepted on creation of User entities.

func (*UserMutation) SetLastName 

func (m *UserMutation) SetLastName(s string)

SetLastName sets the "last_name" field.

func (*UserMutation) SetPassword 

func (m *UserMutation) SetPassword(s string)

SetPassword sets the "password" field.

func (*UserMutation) SetUpdatedAt 

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

SetUpdatedAt sets the "updated_at" 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).

func (*UserMutation) UpdatedAt 

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

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

func (*UserMutation) Where 

func (m *UserMutation) Where(ps ...predicate.User)

Where appends a list predicates to the UserMutation builder.

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 UserQuery 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 from the query. Returns a *NotFoundError when no User was found.

func (*UserQuery) FirstID 

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

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

func (*UserQuery) FirstIDX 

func (uq *UserQuery) FirstIDX(ctx context.Context) uuid.UUID

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 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 {
	CreateAt time.Time `json:"create_at,omitempty"`
	Count int `json:"count,omitempty"`
}

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

func (*UserQuery) IDs 

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

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

func (*UserQuery) IDsX 

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

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 a single User entity found by the query, ensuring it only returns one. Returns a *NotSingularError when more than one User entity is found. Returns a *NotFoundError when no User entities are found.

func (*UserQuery) OnlyID 

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

OnlyID is like Only, but returns the only User ID in the query. Returns a *NotSingularError when more than one User ID is found. Returns a *NotFoundError when no entities are found.

func (*UserQuery) OnlyIDX 

func (uq *UserQuery) OnlyIDX(ctx context.Context) uuid.UUID

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) QueryBooks 

func (uq *UserQuery) QueryBooks() *BookQuery

QueryBooks chains the current query on the "books" edge.

func (*UserQuery) QueryLoans 

func (uq *UserQuery) QueryLoans() *BookLoanQuery

QueryLoans chains the current query on the "loans" edge.

func (*UserQuery) Select 

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

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 {
	CreateAt time.Time `json:"create_at,omitempty"`
}

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

func (*UserQuery) Unique 

func (uq *UserQuery) Unique(unique bool) *UserQuery

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 (*UserQuery) Where 

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

Where adds a new predicate for the UserQuery builder.

func (*UserQuery) WithBooks 

func (uq *UserQuery) WithBooks(opts ...func(*BookQuery)) *UserQuery

WithBooks tells the query-builder to eager-load the nodes that are connected to the "books" edge. The optional arguments are used to configure the query builder of the edge.

func (*UserQuery) WithLoans 

func (uq *UserQuery) WithLoans(opts ...func(*BookLoanQuery)) *UserQuery

WithLoans tells the query-builder to eager-load the nodes that are connected to the "loans" edge. The optional arguments are used to configure the query builder of the edge.

type UserSelect 

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

UserSelect is the builder for selecting fields of User entities.

func (*UserSelect) Bool 

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

Bool returns a single bool from a 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 a 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 a 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 a 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 a 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 a 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 scans 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 a 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 a 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) AddBookIDs 

func (uu *UserUpdate) AddBookIDs(ids ...uuid.UUID) *UserUpdate

AddBookIDs adds the "books" edge to the Book entity by IDs.

func (*UserUpdate) AddBooks 

func (uu *UserUpdate) AddBooks(b ...*Book) *UserUpdate

AddBooks adds the "books" edges to the Book entity.

func (*UserUpdate) AddLoanIDs 

func (uu *UserUpdate) AddLoanIDs(ids ...uuid.UUID) *UserUpdate

AddLoanIDs adds the "loans" edge to the BookLoan entity by IDs.

func (*UserUpdate) AddLoans 

func (uu *UserUpdate) AddLoans(b ...*BookLoan) *UserUpdate

AddLoans adds the "loans" edges to the BookLoan entity.

func (*UserUpdate) ClearBooks 

func (uu *UserUpdate) ClearBooks() *UserUpdate

ClearBooks clears all "books" edges to the Book entity.

func (*UserUpdate) ClearLoans 

func (uu *UserUpdate) ClearLoans() *UserUpdate

ClearLoans clears all "loans" edges to the BookLoan entity.

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) RemoveBookIDs 

func (uu *UserUpdate) RemoveBookIDs(ids ...uuid.UUID) *UserUpdate

RemoveBookIDs removes the "books" edge to Book entities by IDs.

func (*UserUpdate) RemoveBooks 

func (uu *UserUpdate) RemoveBooks(b ...*Book) *UserUpdate

RemoveBooks removes "books" edges to Book entities.

func (*UserUpdate) RemoveLoanIDs 

func (uu *UserUpdate) RemoveLoanIDs(ids ...uuid.UUID) *UserUpdate

RemoveLoanIDs removes the "loans" edge to BookLoan entities by IDs.

func (*UserUpdate) RemoveLoans 

func (uu *UserUpdate) RemoveLoans(b ...*BookLoan) *UserUpdate

RemoveLoans removes "loans" edges to BookLoan entities.

func (*UserUpdate) Save 

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

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

func (*UserUpdate) SaveX 

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

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

func (*UserUpdate) SetEmail 

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

SetEmail sets the "email" field.

func (*UserUpdate) SetFirstName 

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

SetFirstName sets the "first_name" field.

func (*UserUpdate) SetLastName 

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

SetLastName sets the "last_name" field.

func (*UserUpdate) SetPassword 

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

SetPassword sets the "password" field.

func (*UserUpdate) SetUpdatedAt 

func (uu *UserUpdate) SetUpdatedAt(t time.Time) *UserUpdate

SetUpdatedAt sets the "updated_at" field.

func (*UserUpdate) Where 

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

Where appends a list predicates to the UserUpdate builder.

type UserUpdateOne 

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

UserUpdateOne is the builder for updating a single User entity.

func (*UserUpdateOne) AddBookIDs 

func (uuo *UserUpdateOne) AddBookIDs(ids ...uuid.UUID) *UserUpdateOne

AddBookIDs adds the "books" edge to the Book entity by IDs.

func (*UserUpdateOne) AddBooks 

func (uuo *UserUpdateOne) AddBooks(b ...*Book) *UserUpdateOne

AddBooks adds the "books" edges to the Book entity.

func (*UserUpdateOne) AddLoanIDs 

func (uuo *UserUpdateOne) AddLoanIDs(ids ...uuid.UUID) *UserUpdateOne

AddLoanIDs adds the "loans" edge to the BookLoan entity by IDs.

func (*UserUpdateOne) AddLoans 

func (uuo *UserUpdateOne) AddLoans(b ...*BookLoan) *UserUpdateOne

AddLoans adds the "loans" edges to the BookLoan entity.

func (*UserUpdateOne) ClearBooks 

func (uuo *UserUpdateOne) ClearBooks() *UserUpdateOne

ClearBooks clears all "books" edges to the Book entity.

func (*UserUpdateOne) ClearLoans 

func (uuo *UserUpdateOne) ClearLoans() *UserUpdateOne

ClearLoans clears all "loans" edges to the BookLoan entity.

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) RemoveBookIDs 

func (uuo *UserUpdateOne) RemoveBookIDs(ids ...uuid.UUID) *UserUpdateOne

RemoveBookIDs removes the "books" edge to Book entities by IDs.

func (*UserUpdateOne) RemoveBooks 

func (uuo *UserUpdateOne) RemoveBooks(b ...*Book) *UserUpdateOne

RemoveBooks removes "books" edges to Book entities.

func (*UserUpdateOne) RemoveLoanIDs 

func (uuo *UserUpdateOne) RemoveLoanIDs(ids ...uuid.UUID) *UserUpdateOne

RemoveLoanIDs removes the "loans" edge to BookLoan entities by IDs.

func (*UserUpdateOne) RemoveLoans 

func (uuo *UserUpdateOne) RemoveLoans(b ...*BookLoan) *UserUpdateOne

RemoveLoans removes "loans" edges to BookLoan entities.

func (*UserUpdateOne) Save 

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

Save executes the query and returns the updated User entity.

func (*UserUpdateOne) SaveX 

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

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

func (*UserUpdateOne) Select 

func (uuo *UserUpdateOne) Select(field string, fields ...string) *UserUpdateOne

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

func (*UserUpdateOne) SetEmail 

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

SetEmail sets the "email" field.

func (*UserUpdateOne) SetFirstName 

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

SetFirstName sets the "first_name" field.

func (*UserUpdateOne) SetLastName 

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

SetLastName sets the "last_name" field.

func (*UserUpdateOne) SetPassword 

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

SetPassword sets the "password" field.

func (*UserUpdateOne) SetUpdatedAt 

func (uuo *UserUpdateOne) SetUpdatedAt(t time.Time) *UserUpdateOne

SetUpdatedAt sets the "updated_at" 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 or edge 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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