ent

package
v0.0.0-...-4cca6e0 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Aug 17, 2024 License: MIT Imports: 21 Imported by: 0

Documentation

Index

Constants

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

	// Node types.
	TypeArticle        = "Article"
	TypeArticleHistory = "ArticleHistory"
)

Variables

View Source 
var ErrTxStarted = errors.New("ent: cannot start a transaction within a transaction")

ErrTxStarted is returned when trying to start a new transaction from a transactional client.

Functions

func Asc 

func Asc(fields ...string) func(*sql.Selector)

Asc applies the given fields in ASC order.

func Desc 

func Desc(fields ...string) func(*sql.Selector)

Desc applies the given fields in DESC order.

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 Article 

type Article struct {

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

Article is the model entity for the Article schema.

func (*Article) QueryOwner 

func (a *Article) QueryOwner() *ArticleHistoryQuery

QueryOwner queries the "owner" edge of the Article entity.

func (*Article) String 

func (a *Article) String() string

String implements the fmt.Stringer.

func (*Article) Unwrap 

func (a *Article) Unwrap() *Article

Unwrap unwraps the Article 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 (*Article) Update 

func (a *Article) Update() *ArticleUpdateOne

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

func (*Article) Value 

func (a *Article) Value(name string) (ent.Value, error)

Value returns the ent.Value that was dynamically selected and assigned to the Article. This includes values selected through modifiers, order, etc.

type ArticleClient 

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

ArticleClient is a client for the Article schema.

func NewArticleClient 

func NewArticleClient(c config) *ArticleClient

NewArticleClient returns a client for the Article from the given config.

func (*ArticleClient) Create 

func (c *ArticleClient) Create() *ArticleCreate

Create returns a builder for creating a Article entity.

func (*ArticleClient) CreateBulk 

func (c *ArticleClient) CreateBulk(builders ...*ArticleCreate) *ArticleCreateBulk

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

func (*ArticleClient) Delete 

func (c *ArticleClient) Delete() *ArticleDelete

Delete returns a delete builder for Article.

func (*ArticleClient) DeleteOne 

func (c *ArticleClient) DeleteOne(a *Article) *ArticleDeleteOne

DeleteOne returns a builder for deleting the given entity.

func (*ArticleClient) DeleteOneID 

func (c *ArticleClient) DeleteOneID(id int) *ArticleDeleteOne

DeleteOneID returns a builder for deleting the given entity by its id.

func (*ArticleClient) Get 

func (c *ArticleClient) Get(ctx context.Context, id int) (*Article, error)

Get returns a Article entity by its id.

func (*ArticleClient) GetX 

func (c *ArticleClient) GetX(ctx context.Context, id int) *Article

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

func (*ArticleClient) Hooks 

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

Hooks returns the client hooks.

func (*ArticleClient) Intercept 

func (c *ArticleClient) Intercept(interceptors ...Interceptor)

Intercept adds a list of query interceptors to the interceptors stack. A call to `Intercept(f, g, h)` equals to `article.Intercept(f(g(h())))`.

func (*ArticleClient) Interceptors 

func (c *ArticleClient) Interceptors() []Interceptor

Interceptors returns the client interceptors.

func (*ArticleClient) MapCreateBulk 

func (c *ArticleClient) MapCreateBulk(slice any, setFunc func(*ArticleCreate, int)) *ArticleCreateBulk

MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates a builder and applies setFunc on it.

func (*ArticleClient) Query 

func (c *ArticleClient) Query() *ArticleQuery

Query returns a query builder for Article.

func (*ArticleClient) QueryOwner 

func (c *ArticleClient) QueryOwner(a *Article) *ArticleHistoryQuery

QueryOwner queries the owner edge of a Article.

func (*ArticleClient) Update 

func (c *ArticleClient) Update() *ArticleUpdate

Update returns an update builder for Article.

func (*ArticleClient) UpdateOne 

func (c *ArticleClient) UpdateOne(a *Article) *ArticleUpdateOne

UpdateOne returns an update builder for the given entity.

func (*ArticleClient) UpdateOneID 

func (c *ArticleClient) UpdateOneID(id int) *ArticleUpdateOne

UpdateOneID returns an update builder for the given id.

func (*ArticleClient) Use 

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

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

type ArticleCreate 

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

ArticleCreate is the builder for creating a Article entity.

func (*ArticleCreate) Exec 

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

Exec executes the query.

func (*ArticleCreate) ExecX 

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

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

func (*ArticleCreate) Mutation 

func (ac *ArticleCreate) Mutation() *ArticleMutation

Mutation returns the ArticleMutation object of the builder.

func (*ArticleCreate) Save 

func (ac *ArticleCreate) Save(ctx context.Context) (*Article, error)

Save creates the Article in the database.

func (*ArticleCreate) SaveX 

func (ac *ArticleCreate) SaveX(ctx context.Context) *Article

SaveX calls Save and panics if Save returns an error.

func (*ArticleCreate) SetNillableOwnerID 

func (ac *ArticleCreate) SetNillableOwnerID(id *int) *ArticleCreate

SetNillableOwnerID sets the "owner" edge to the ArticleHistory entity by ID if the given value is not nil.

func (*ArticleCreate) SetOwner 

func (ac *ArticleCreate) SetOwner(a *ArticleHistory) *ArticleCreate

SetOwner sets the "owner" edge to the ArticleHistory entity.

func (*ArticleCreate) SetOwnerID 

func (ac *ArticleCreate) SetOwnerID(id int) *ArticleCreate

SetOwnerID sets the "owner" edge to the ArticleHistory entity by ID.

func (*ArticleCreate) SetTitle 

func (ac *ArticleCreate) SetTitle(s string) *ArticleCreate

SetTitle sets the "title" field.

func (*ArticleCreate) SetURL 

func (ac *ArticleCreate) SetURL(s string) *ArticleCreate

SetURL sets the "url" field.

type ArticleCreateBulk 

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

ArticleCreateBulk is the builder for creating many Article entities in bulk.

func (*ArticleCreateBulk) Exec 

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

Exec executes the query.

func (*ArticleCreateBulk) ExecX 

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

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

func (*ArticleCreateBulk) Save 

func (acb *ArticleCreateBulk) Save(ctx context.Context) ([]*Article, error)

Save creates the Article entities in the database.

func (*ArticleCreateBulk) SaveX 

func (acb *ArticleCreateBulk) SaveX(ctx context.Context) []*Article

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

type ArticleDelete 

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

ArticleDelete is the builder for deleting a Article entity.

func (*ArticleDelete) Exec 

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

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

func (*ArticleDelete) ExecX 

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

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

func (*ArticleDelete) Where 

func (ad *ArticleDelete) Where(ps ...predicate.Article) *ArticleDelete

Where appends a list predicates to the ArticleDelete builder.

type ArticleDeleteOne 

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

ArticleDeleteOne is the builder for deleting a single Article entity.

func (*ArticleDeleteOne) Exec 

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

Exec executes the deletion query.

func (*ArticleDeleteOne) ExecX 

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

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

func (*ArticleDeleteOne) Where 

func (ado *ArticleDeleteOne) Where(ps ...predicate.Article) *ArticleDeleteOne

Where appends a list predicates to the ArticleDelete builder.

type ArticleEdges 

type ArticleEdges struct {
	// Owner holds the value of the owner edge.
	Owner *ArticleHistory `json:"owner,omitempty"`
	// contains filtered or unexported fields
}

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

func (ArticleEdges) OwnerOrErr 

func (e ArticleEdges) OwnerOrErr() (*ArticleHistory, error)

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

type ArticleGroupBy 

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

ArticleGroupBy is the group-by builder for Article entities.

func (*ArticleGroupBy) Aggregate 

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

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

func (*ArticleGroupBy) Bool 

func (s *ArticleGroupBy) Bool(ctx context.Context) (_ bool, err error)

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

func (*ArticleGroupBy) BoolX 

func (s *ArticleGroupBy) BoolX(ctx context.Context) bool

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

func (*ArticleGroupBy) Bools 

func (s *ArticleGroupBy) Bools(ctx context.Context) ([]bool, error)

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

func (*ArticleGroupBy) BoolsX 

func (s *ArticleGroupBy) BoolsX(ctx context.Context) []bool

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

func (*ArticleGroupBy) Float64 

func (s *ArticleGroupBy) Float64(ctx context.Context) (_ float64, err error)

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

func (*ArticleGroupBy) Float64X 

func (s *ArticleGroupBy) Float64X(ctx context.Context) float64

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

func (*ArticleGroupBy) Float64s 

func (s *ArticleGroupBy) Float64s(ctx context.Context) ([]float64, error)

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

func (*ArticleGroupBy) Float64sX 

func (s *ArticleGroupBy) Float64sX(ctx context.Context) []float64

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

func (*ArticleGroupBy) Int 

func (s *ArticleGroupBy) Int(ctx context.Context) (_ int, err error)

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

func (*ArticleGroupBy) IntX 

func (s *ArticleGroupBy) IntX(ctx context.Context) int

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

func (*ArticleGroupBy) Ints 

func (s *ArticleGroupBy) Ints(ctx context.Context) ([]int, error)

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

func (*ArticleGroupBy) IntsX 

func (s *ArticleGroupBy) IntsX(ctx context.Context) []int

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

func (*ArticleGroupBy) Scan 

func (agb *ArticleGroupBy) Scan(ctx context.Context, v any) error

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

func (*ArticleGroupBy) ScanX 

func (s *ArticleGroupBy) ScanX(ctx context.Context, v any)

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

func (*ArticleGroupBy) String 

func (s *ArticleGroupBy) String(ctx context.Context) (_ string, err error)

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

func (*ArticleGroupBy) StringX 

func (s *ArticleGroupBy) StringX(ctx context.Context) string

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

func (*ArticleGroupBy) Strings 

func (s *ArticleGroupBy) Strings(ctx context.Context) ([]string, error)

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

func (*ArticleGroupBy) StringsX 

func (s *ArticleGroupBy) StringsX(ctx context.Context) []string

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

type ArticleHistories 

type ArticleHistories []*ArticleHistory

ArticleHistories is a parsable slice of ArticleHistory.

type ArticleHistory 

type ArticleHistory struct {

	// ID of the ent.
	ID int `json:"id,omitempty"`
	// CreatedAt holds the value of the "created_at" field.
	CreatedAt time.Time `json:"created_at,omitempty"`
	// Edges holds the relations/edges for other nodes in the graph.
	// The values are being populated by the ArticleHistoryQuery when eager-loading is set.
	Edges ArticleHistoryEdges `json:"edges"`
	// contains filtered or unexported fields
}

ArticleHistory is the model entity for the ArticleHistory schema.

func (*ArticleHistory) QueryArticle 

func (ah *ArticleHistory) QueryArticle() *ArticleQuery

QueryArticle queries the "article" edge of the ArticleHistory entity.

func (*ArticleHistory) String 

func (ah *ArticleHistory) String() string

String implements the fmt.Stringer.

func (*ArticleHistory) Unwrap 

func (ah *ArticleHistory) Unwrap() *ArticleHistory

Unwrap unwraps the ArticleHistory 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 (*ArticleHistory) Update 

func (ah *ArticleHistory) Update() *ArticleHistoryUpdateOne

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

func (*ArticleHistory) Value 

func (ah *ArticleHistory) Value(name string) (ent.Value, error)

Value returns the ent.Value that was dynamically selected and assigned to the ArticleHistory. This includes values selected through modifiers, order, etc.

type ArticleHistoryClient 

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

ArticleHistoryClient is a client for the ArticleHistory schema.

func NewArticleHistoryClient 

func NewArticleHistoryClient(c config) *ArticleHistoryClient

NewArticleHistoryClient returns a client for the ArticleHistory from the given config.

func (*ArticleHistoryClient) Create 

func (c *ArticleHistoryClient) Create() *ArticleHistoryCreate

Create returns a builder for creating a ArticleHistory entity.

func (*ArticleHistoryClient) CreateBulk 

func (c *ArticleHistoryClient) CreateBulk(builders ...*ArticleHistoryCreate) *ArticleHistoryCreateBulk

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

func (*ArticleHistoryClient) Delete 

func (c *ArticleHistoryClient) Delete() *ArticleHistoryDelete

Delete returns a delete builder for ArticleHistory.

func (*ArticleHistoryClient) DeleteOne 

func (c *ArticleHistoryClient) DeleteOne(ah *ArticleHistory) *ArticleHistoryDeleteOne

DeleteOne returns a builder for deleting the given entity.

func (*ArticleHistoryClient) DeleteOneID 

func (c *ArticleHistoryClient) DeleteOneID(id int) *ArticleHistoryDeleteOne

DeleteOneID returns a builder for deleting the given entity by its id.

func (*ArticleHistoryClient) Get 

func (c *ArticleHistoryClient) Get(ctx context.Context, id int) (*ArticleHistory, error)

Get returns a ArticleHistory entity by its id.

func (*ArticleHistoryClient) GetX 

func (c *ArticleHistoryClient) GetX(ctx context.Context, id int) *ArticleHistory

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

func (*ArticleHistoryClient) Hooks 

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

Hooks returns the client hooks.

func (*ArticleHistoryClient) Intercept 

func (c *ArticleHistoryClient) Intercept(interceptors ...Interceptor)

Intercept adds a list of query interceptors to the interceptors stack. A call to `Intercept(f, g, h)` equals to `articlehistory.Intercept(f(g(h())))`.

func (*ArticleHistoryClient) Interceptors 

func (c *ArticleHistoryClient) Interceptors() []Interceptor

Interceptors returns the client interceptors.

func (*ArticleHistoryClient) MapCreateBulk 

func (c *ArticleHistoryClient) MapCreateBulk(slice any, setFunc func(*ArticleHistoryCreate, int)) *ArticleHistoryCreateBulk

MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates a builder and applies setFunc on it.

func (*ArticleHistoryClient) Query 

func (c *ArticleHistoryClient) Query() *ArticleHistoryQuery

Query returns a query builder for ArticleHistory.

func (*ArticleHistoryClient) QueryArticle 

func (c *ArticleHistoryClient) QueryArticle(ah *ArticleHistory) *ArticleQuery

QueryArticle queries the article edge of a ArticleHistory.

func (*ArticleHistoryClient) Update 

func (c *ArticleHistoryClient) Update() *ArticleHistoryUpdate

Update returns an update builder for ArticleHistory.

func (*ArticleHistoryClient) UpdateOne 

func (c *ArticleHistoryClient) UpdateOne(ah *ArticleHistory) *ArticleHistoryUpdateOne

UpdateOne returns an update builder for the given entity.

func (*ArticleHistoryClient) UpdateOneID 

func (c *ArticleHistoryClient) UpdateOneID(id int) *ArticleHistoryUpdateOne

UpdateOneID returns an update builder for the given id.

func (*ArticleHistoryClient) Use 

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

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

type ArticleHistoryCreate 

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

ArticleHistoryCreate is the builder for creating a ArticleHistory entity.

func (*ArticleHistoryCreate) AddArticle 

func (ahc *ArticleHistoryCreate) AddArticle(a ...*Article) *ArticleHistoryCreate

AddArticle adds the "article" edges to the Article entity.

func (*ArticleHistoryCreate) AddArticleIDs 

func (ahc *ArticleHistoryCreate) AddArticleIDs(ids ...int) *ArticleHistoryCreate

AddArticleIDs adds the "article" edge to the Article entity by IDs.

func (*ArticleHistoryCreate) Exec 

func (ahc *ArticleHistoryCreate) Exec(ctx context.Context) error

Exec executes the query.

func (*ArticleHistoryCreate) ExecX 

func (ahc *ArticleHistoryCreate) ExecX(ctx context.Context)

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

func (*ArticleHistoryCreate) Mutation 

func (ahc *ArticleHistoryCreate) Mutation() *ArticleHistoryMutation

Mutation returns the ArticleHistoryMutation object of the builder.

func (*ArticleHistoryCreate) Save 

func (ahc *ArticleHistoryCreate) Save(ctx context.Context) (*ArticleHistory, error)

Save creates the ArticleHistory in the database.

func (*ArticleHistoryCreate) SaveX 

func (ahc *ArticleHistoryCreate) SaveX(ctx context.Context) *ArticleHistory

SaveX calls Save and panics if Save returns an error.

func (*ArticleHistoryCreate) SetCreatedAt 

func (ahc *ArticleHistoryCreate) SetCreatedAt(t time.Time) *ArticleHistoryCreate

SetCreatedAt sets the "created_at" field.

type ArticleHistoryCreateBulk 

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

ArticleHistoryCreateBulk is the builder for creating many ArticleHistory entities in bulk.

func (*ArticleHistoryCreateBulk) Exec 

func (ahcb *ArticleHistoryCreateBulk) Exec(ctx context.Context) error

Exec executes the query.

func (*ArticleHistoryCreateBulk) ExecX 

func (ahcb *ArticleHistoryCreateBulk) ExecX(ctx context.Context)

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

func (*ArticleHistoryCreateBulk) Save 

func (ahcb *ArticleHistoryCreateBulk) Save(ctx context.Context) ([]*ArticleHistory, error)

Save creates the ArticleHistory entities in the database.

func (*ArticleHistoryCreateBulk) SaveX 

func (ahcb *ArticleHistoryCreateBulk) SaveX(ctx context.Context) []*ArticleHistory

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

type ArticleHistoryDelete 

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

ArticleHistoryDelete is the builder for deleting a ArticleHistory entity.

func (*ArticleHistoryDelete) Exec 

func (ahd *ArticleHistoryDelete) Exec(ctx context.Context) (int, error)

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

func (*ArticleHistoryDelete) ExecX 

func (ahd *ArticleHistoryDelete) ExecX(ctx context.Context) int

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

func (*ArticleHistoryDelete) Where 

func (ahd *ArticleHistoryDelete) Where(ps ...predicate.ArticleHistory) *ArticleHistoryDelete

Where appends a list predicates to the ArticleHistoryDelete builder.

type ArticleHistoryDeleteOne 

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

ArticleHistoryDeleteOne is the builder for deleting a single ArticleHistory entity.

func (*ArticleHistoryDeleteOne) Exec 

func (ahdo *ArticleHistoryDeleteOne) Exec(ctx context.Context) error

Exec executes the deletion query.

func (*ArticleHistoryDeleteOne) ExecX 

func (ahdo *ArticleHistoryDeleteOne) ExecX(ctx context.Context)

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

func (*ArticleHistoryDeleteOne) Where 

func (ahdo *ArticleHistoryDeleteOne) Where(ps ...predicate.ArticleHistory) *ArticleHistoryDeleteOne

Where appends a list predicates to the ArticleHistoryDelete builder.

type ArticleHistoryEdges 

type ArticleHistoryEdges struct {
	// Article holds the value of the article edge.
	Article []*Article `json:"article,omitempty"`
	// contains filtered or unexported fields
}

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

func (ArticleHistoryEdges) ArticleOrErr 

func (e ArticleHistoryEdges) ArticleOrErr() ([]*Article, error)

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

type ArticleHistoryGroupBy 

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

ArticleHistoryGroupBy is the group-by builder for ArticleHistory entities.

func (*ArticleHistoryGroupBy) Aggregate 

func (ahgb *ArticleHistoryGroupBy) Aggregate(fns ...AggregateFunc) *ArticleHistoryGroupBy

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

func (*ArticleHistoryGroupBy) Bool 

func (s *ArticleHistoryGroupBy) Bool(ctx context.Context) (_ bool, err error)

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

func (*ArticleHistoryGroupBy) BoolX 

func (s *ArticleHistoryGroupBy) BoolX(ctx context.Context) bool

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

func (*ArticleHistoryGroupBy) Bools 

func (s *ArticleHistoryGroupBy) Bools(ctx context.Context) ([]bool, error)

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

func (*ArticleHistoryGroupBy) BoolsX 

func (s *ArticleHistoryGroupBy) BoolsX(ctx context.Context) []bool

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

func (*ArticleHistoryGroupBy) Float64 

func (s *ArticleHistoryGroupBy) Float64(ctx context.Context) (_ float64, err error)

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

func (*ArticleHistoryGroupBy) Float64X 

func (s *ArticleHistoryGroupBy) Float64X(ctx context.Context) float64

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

func (*ArticleHistoryGroupBy) Float64s 

func (s *ArticleHistoryGroupBy) Float64s(ctx context.Context) ([]float64, error)

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

func (*ArticleHistoryGroupBy) Float64sX 

func (s *ArticleHistoryGroupBy) Float64sX(ctx context.Context) []float64

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

func (*ArticleHistoryGroupBy) Int 

func (s *ArticleHistoryGroupBy) Int(ctx context.Context) (_ int, err error)

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

func (*ArticleHistoryGroupBy) IntX 

func (s *ArticleHistoryGroupBy) IntX(ctx context.Context) int

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

func (*ArticleHistoryGroupBy) Ints 

func (s *ArticleHistoryGroupBy) Ints(ctx context.Context) ([]int, error)

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

func (*ArticleHistoryGroupBy) IntsX 

func (s *ArticleHistoryGroupBy) IntsX(ctx context.Context) []int

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

func (*ArticleHistoryGroupBy) Scan 

func (ahgb *ArticleHistoryGroupBy) Scan(ctx context.Context, v any) error

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

func (*ArticleHistoryGroupBy) ScanX 

func (s *ArticleHistoryGroupBy) ScanX(ctx context.Context, v any)

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

func (*ArticleHistoryGroupBy) String 

func (s *ArticleHistoryGroupBy) String(ctx context.Context) (_ string, err error)

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

func (*ArticleHistoryGroupBy) StringX 

func (s *ArticleHistoryGroupBy) StringX(ctx context.Context) string

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

func (*ArticleHistoryGroupBy) Strings 

func (s *ArticleHistoryGroupBy) Strings(ctx context.Context) ([]string, error)

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

func (*ArticleHistoryGroupBy) StringsX 

func (s *ArticleHistoryGroupBy) StringsX(ctx context.Context) []string

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

type ArticleHistoryMutation 

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

ArticleHistoryMutation represents an operation that mutates the ArticleHistory nodes in the graph.

func (*ArticleHistoryMutation) AddArticleIDs 

func (m *ArticleHistoryMutation) AddArticleIDs(ids ...int)

AddArticleIDs adds the "article" edge to the Article entity by ids.

func (*ArticleHistoryMutation) AddField 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) AddedEdges 

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

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

func (*ArticleHistoryMutation) AddedField 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) AddedFields 

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

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

func (*ArticleHistoryMutation) AddedIDs 

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

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

func (*ArticleHistoryMutation) ArticleCleared 

func (m *ArticleHistoryMutation) ArticleCleared() bool

ArticleCleared reports if the "article" edge to the Article entity was cleared.

func (*ArticleHistoryMutation) ArticleIDs 

func (m *ArticleHistoryMutation) ArticleIDs() (ids []int)

ArticleIDs returns the "article" edge IDs in the mutation.

func (*ArticleHistoryMutation) ClearArticle 

func (m *ArticleHistoryMutation) ClearArticle()

ClearArticle clears the "article" edge to the Article entity.

func (*ArticleHistoryMutation) ClearEdge 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) ClearField 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) ClearedEdges 

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

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

func (*ArticleHistoryMutation) ClearedFields 

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

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

func (ArticleHistoryMutation) Client 

func (m ArticleHistoryMutation) 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 (*ArticleHistoryMutation) CreatedAt 

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

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

func (*ArticleHistoryMutation) EdgeCleared 

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

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

func (*ArticleHistoryMutation) Field 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) FieldCleared 

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

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

func (*ArticleHistoryMutation) Fields 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) ID 

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

ID returns the ID value in the mutation. Note that the ID is only available if it was provided to the builder or after it was returned from the database.

func (*ArticleHistoryMutation) IDs 

func (m *ArticleHistoryMutation) IDs(ctx context.Context) ([]int, 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 (*ArticleHistoryMutation) OldCreatedAt 

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

OldCreatedAt returns the old "created_at" field's value of the ArticleHistory entity. If the ArticleHistory 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 (*ArticleHistoryMutation) OldField 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) Op 

func (m *ArticleHistoryMutation) Op() Op

Op returns the operation name.

func (*ArticleHistoryMutation) RemoveArticleIDs 

func (m *ArticleHistoryMutation) RemoveArticleIDs(ids ...int)

RemoveArticleIDs removes the "article" edge to the Article entity by IDs.

func (*ArticleHistoryMutation) RemovedArticleIDs 

func (m *ArticleHistoryMutation) RemovedArticleIDs() (ids []int)

RemovedArticle returns the removed IDs of the "article" edge to the Article entity.

func (*ArticleHistoryMutation) RemovedEdges 

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

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

func (*ArticleHistoryMutation) RemovedIDs 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) ResetArticle 

func (m *ArticleHistoryMutation) ResetArticle()

ResetArticle resets all changes to the "article" edge.

func (*ArticleHistoryMutation) ResetCreatedAt 

func (m *ArticleHistoryMutation) ResetCreatedAt()

ResetCreatedAt resets all changes to the "created_at" field.

func (*ArticleHistoryMutation) ResetEdge 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) ResetField 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) SetCreatedAt 

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

SetCreatedAt sets the "created_at" field.

func (*ArticleHistoryMutation) SetField 

func (m *ArticleHistoryMutation) 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 (*ArticleHistoryMutation) SetOp 

func (m *ArticleHistoryMutation) SetOp(op Op)

SetOp allows setting the mutation operation.

func (ArticleHistoryMutation) Tx 

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

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

func (*ArticleHistoryMutation) Type 

func (m *ArticleHistoryMutation) Type() string

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

func (*ArticleHistoryMutation) Where 

func (m *ArticleHistoryMutation) Where(ps ...predicate.ArticleHistory)

Where appends a list predicates to the ArticleHistoryMutation builder.

func (*ArticleHistoryMutation) WhereP 

func (m *ArticleHistoryMutation) WhereP(ps ...func(*sql.Selector))

WhereP appends storage-level predicates to the ArticleHistoryMutation builder. Using this method, users can use type-assertion to append predicates that do not depend on any generated package.

type ArticleHistoryQuery 

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

ArticleHistoryQuery is the builder for querying ArticleHistory entities.

func (*ArticleHistoryQuery) Aggregate 

func (ahq *ArticleHistoryQuery) Aggregate(fns ...AggregateFunc) *ArticleHistorySelect

Aggregate returns a ArticleHistorySelect configured with the given aggregations.

func (*ArticleHistoryQuery) All 

func (ahq *ArticleHistoryQuery) All(ctx context.Context) ([]*ArticleHistory, error)

All executes the query and returns a list of ArticleHistories.

func (*ArticleHistoryQuery) AllX 

func (ahq *ArticleHistoryQuery) AllX(ctx context.Context) []*ArticleHistory

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

func (*ArticleHistoryQuery) Clone 

func (ahq *ArticleHistoryQuery) Clone() *ArticleHistoryQuery

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

func (*ArticleHistoryQuery) Count 

func (ahq *ArticleHistoryQuery) Count(ctx context.Context) (int, error)

Count returns the count of the given query.

func (*ArticleHistoryQuery) CountX 

func (ahq *ArticleHistoryQuery) CountX(ctx context.Context) int

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

func (*ArticleHistoryQuery) Exist 

func (ahq *ArticleHistoryQuery) Exist(ctx context.Context) (bool, error)

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

func (*ArticleHistoryQuery) ExistX 

func (ahq *ArticleHistoryQuery) ExistX(ctx context.Context) bool

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

func (*ArticleHistoryQuery) First 

func (ahq *ArticleHistoryQuery) First(ctx context.Context) (*ArticleHistory, error)

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

func (*ArticleHistoryQuery) FirstID 

func (ahq *ArticleHistoryQuery) FirstID(ctx context.Context) (id int, err error)

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

func (*ArticleHistoryQuery) FirstIDX 

func (ahq *ArticleHistoryQuery) FirstIDX(ctx context.Context) int

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

func (*ArticleHistoryQuery) FirstX 

func (ahq *ArticleHistoryQuery) FirstX(ctx context.Context) *ArticleHistory

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

func (*ArticleHistoryQuery) GroupBy 

func (ahq *ArticleHistoryQuery) GroupBy(field string, fields ...string) *ArticleHistoryGroupBy

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 {
	CreatedAt time.Time `json:"created_at,omitempty"`
	Count int `json:"count,omitempty"`
}

client.ArticleHistory.Query().
	GroupBy(articlehistory.FieldCreatedAt).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*ArticleHistoryQuery) IDs 

func (ahq *ArticleHistoryQuery) IDs(ctx context.Context) (ids []int, err error)

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

func (*ArticleHistoryQuery) IDsX 

func (ahq *ArticleHistoryQuery) IDsX(ctx context.Context) []int

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

func (*ArticleHistoryQuery) Limit 

func (ahq *ArticleHistoryQuery) Limit(limit int) *ArticleHistoryQuery

Limit the number of records to be returned by this query.

func (*ArticleHistoryQuery) Offset 

func (ahq *ArticleHistoryQuery) Offset(offset int) *ArticleHistoryQuery

Offset to start from.

func (*ArticleHistoryQuery) Only 

func (ahq *ArticleHistoryQuery) Only(ctx context.Context) (*ArticleHistory, error)

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

func (*ArticleHistoryQuery) OnlyID 

func (ahq *ArticleHistoryQuery) OnlyID(ctx context.Context) (id int, err error)

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

func (*ArticleHistoryQuery) OnlyIDX 

func (ahq *ArticleHistoryQuery) OnlyIDX(ctx context.Context) int

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

func (*ArticleHistoryQuery) OnlyX 

func (ahq *ArticleHistoryQuery) OnlyX(ctx context.Context) *ArticleHistory

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

func (*ArticleHistoryQuery) Order 

func (ahq *ArticleHistoryQuery) Order(o ...articlehistory.OrderOption) *ArticleHistoryQuery

Order specifies how the records should be ordered.

func (*ArticleHistoryQuery) QueryArticle 

func (ahq *ArticleHistoryQuery) QueryArticle() *ArticleQuery

QueryArticle chains the current query on the "article" edge.

func (*ArticleHistoryQuery) Select 

func (ahq *ArticleHistoryQuery) Select(fields ...string) *ArticleHistorySelect

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 {
	CreatedAt time.Time `json:"created_at,omitempty"`
}

client.ArticleHistory.Query().
	Select(articlehistory.FieldCreatedAt).
	Scan(ctx, &v)

func (*ArticleHistoryQuery) Unique 

func (ahq *ArticleHistoryQuery) Unique(unique bool) *ArticleHistoryQuery

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 (*ArticleHistoryQuery) Where 

func (ahq *ArticleHistoryQuery) Where(ps ...predicate.ArticleHistory) *ArticleHistoryQuery

Where adds a new predicate for the ArticleHistoryQuery builder.

func (*ArticleHistoryQuery) WithArticle 

func (ahq *ArticleHistoryQuery) WithArticle(opts ...func(*ArticleQuery)) *ArticleHistoryQuery

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

type ArticleHistorySelect 

type ArticleHistorySelect struct {
	*ArticleHistoryQuery
	// contains filtered or unexported fields
}

ArticleHistorySelect is the builder for selecting fields of ArticleHistory entities.

func (*ArticleHistorySelect) Aggregate 

func (ahs *ArticleHistorySelect) Aggregate(fns ...AggregateFunc) *ArticleHistorySelect

Aggregate adds the given aggregation functions to the selector query.

func (*ArticleHistorySelect) Bool 

func (s *ArticleHistorySelect) Bool(ctx context.Context) (_ bool, err error)

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

func (*ArticleHistorySelect) BoolX 

func (s *ArticleHistorySelect) BoolX(ctx context.Context) bool

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

func (*ArticleHistorySelect) Bools 

func (s *ArticleHistorySelect) Bools(ctx context.Context) ([]bool, error)

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

func (*ArticleHistorySelect) BoolsX 

func (s *ArticleHistorySelect) BoolsX(ctx context.Context) []bool

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

func (*ArticleHistorySelect) Float64 

func (s *ArticleHistorySelect) Float64(ctx context.Context) (_ float64, err error)

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

func (*ArticleHistorySelect) Float64X 

func (s *ArticleHistorySelect) Float64X(ctx context.Context) float64

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

func (*ArticleHistorySelect) Float64s 

func (s *ArticleHistorySelect) Float64s(ctx context.Context) ([]float64, error)

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

func (*ArticleHistorySelect) Float64sX 

func (s *ArticleHistorySelect) Float64sX(ctx context.Context) []float64

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

func (*ArticleHistorySelect) Int 

func (s *ArticleHistorySelect) Int(ctx context.Context) (_ int, err error)

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

func (*ArticleHistorySelect) IntX 

func (s *ArticleHistorySelect) IntX(ctx context.Context) int

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

func (*ArticleHistorySelect) Ints 

func (s *ArticleHistorySelect) Ints(ctx context.Context) ([]int, error)

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

func (*ArticleHistorySelect) IntsX 

func (s *ArticleHistorySelect) IntsX(ctx context.Context) []int

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

func (*ArticleHistorySelect) Scan 

func (ahs *ArticleHistorySelect) Scan(ctx context.Context, v any) error

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

func (*ArticleHistorySelect) ScanX 

func (s *ArticleHistorySelect) ScanX(ctx context.Context, v any)

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

func (*ArticleHistorySelect) String 

func (s *ArticleHistorySelect) String(ctx context.Context) (_ string, err error)

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

func (*ArticleHistorySelect) StringX 

func (s *ArticleHistorySelect) StringX(ctx context.Context) string

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

func (*ArticleHistorySelect) Strings 

func (s *ArticleHistorySelect) Strings(ctx context.Context) ([]string, error)

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

func (*ArticleHistorySelect) StringsX 

func (s *ArticleHistorySelect) StringsX(ctx context.Context) []string

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

type ArticleHistoryUpdate 

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

ArticleHistoryUpdate is the builder for updating ArticleHistory entities.

func (*ArticleHistoryUpdate) AddArticle 

func (ahu *ArticleHistoryUpdate) AddArticle(a ...*Article) *ArticleHistoryUpdate

AddArticle adds the "article" edges to the Article entity.

func (*ArticleHistoryUpdate) AddArticleIDs 

func (ahu *ArticleHistoryUpdate) AddArticleIDs(ids ...int) *ArticleHistoryUpdate

AddArticleIDs adds the "article" edge to the Article entity by IDs.

func (*ArticleHistoryUpdate) ClearArticle 

func (ahu *ArticleHistoryUpdate) ClearArticle() *ArticleHistoryUpdate

ClearArticle clears all "article" edges to the Article entity.

func (*ArticleHistoryUpdate) Exec 

func (ahu *ArticleHistoryUpdate) Exec(ctx context.Context) error

Exec executes the query.

func (*ArticleHistoryUpdate) ExecX 

func (ahu *ArticleHistoryUpdate) ExecX(ctx context.Context)

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

func (*ArticleHistoryUpdate) Mutation 

func (ahu *ArticleHistoryUpdate) Mutation() *ArticleHistoryMutation

Mutation returns the ArticleHistoryMutation object of the builder.

func (*ArticleHistoryUpdate) RemoveArticle 

func (ahu *ArticleHistoryUpdate) RemoveArticle(a ...*Article) *ArticleHistoryUpdate

RemoveArticle removes "article" edges to Article entities.

func (*ArticleHistoryUpdate) RemoveArticleIDs 

func (ahu *ArticleHistoryUpdate) RemoveArticleIDs(ids ...int) *ArticleHistoryUpdate

RemoveArticleIDs removes the "article" edge to Article entities by IDs.

func (*ArticleHistoryUpdate) Save 

func (ahu *ArticleHistoryUpdate) Save(ctx context.Context) (int, error)

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

func (*ArticleHistoryUpdate) SaveX 

func (ahu *ArticleHistoryUpdate) SaveX(ctx context.Context) int

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

func (*ArticleHistoryUpdate) SetCreatedAt 

func (ahu *ArticleHistoryUpdate) SetCreatedAt(t time.Time) *ArticleHistoryUpdate

SetCreatedAt sets the "created_at" field.

func (*ArticleHistoryUpdate) SetNillableCreatedAt 

func (ahu *ArticleHistoryUpdate) SetNillableCreatedAt(t *time.Time) *ArticleHistoryUpdate

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

func (*ArticleHistoryUpdate) Where 

func (ahu *ArticleHistoryUpdate) Where(ps ...predicate.ArticleHistory) *ArticleHistoryUpdate

Where appends a list predicates to the ArticleHistoryUpdate builder.

type ArticleHistoryUpdateOne 

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

ArticleHistoryUpdateOne is the builder for updating a single ArticleHistory entity.

func (*ArticleHistoryUpdateOne) AddArticle 

func (ahuo *ArticleHistoryUpdateOne) AddArticle(a ...*Article) *ArticleHistoryUpdateOne

AddArticle adds the "article" edges to the Article entity.

func (*ArticleHistoryUpdateOne) AddArticleIDs 

func (ahuo *ArticleHistoryUpdateOne) AddArticleIDs(ids ...int) *ArticleHistoryUpdateOne

AddArticleIDs adds the "article" edge to the Article entity by IDs.

func (*ArticleHistoryUpdateOne) ClearArticle 

func (ahuo *ArticleHistoryUpdateOne) ClearArticle() *ArticleHistoryUpdateOne

ClearArticle clears all "article" edges to the Article entity.

func (*ArticleHistoryUpdateOne) Exec 

func (ahuo *ArticleHistoryUpdateOne) Exec(ctx context.Context) error

Exec executes the query on the entity.

func (*ArticleHistoryUpdateOne) ExecX 

func (ahuo *ArticleHistoryUpdateOne) ExecX(ctx context.Context)

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

func (*ArticleHistoryUpdateOne) Mutation 

func (ahuo *ArticleHistoryUpdateOne) Mutation() *ArticleHistoryMutation

Mutation returns the ArticleHistoryMutation object of the builder.

func (*ArticleHistoryUpdateOne) RemoveArticle 

func (ahuo *ArticleHistoryUpdateOne) RemoveArticle(a ...*Article) *ArticleHistoryUpdateOne

RemoveArticle removes "article" edges to Article entities.

func (*ArticleHistoryUpdateOne) RemoveArticleIDs 

func (ahuo *ArticleHistoryUpdateOne) RemoveArticleIDs(ids ...int) *ArticleHistoryUpdateOne

RemoveArticleIDs removes the "article" edge to Article entities by IDs.

func (*ArticleHistoryUpdateOne) Save 

func (ahuo *ArticleHistoryUpdateOne) Save(ctx context.Context) (*ArticleHistory, error)

Save executes the query and returns the updated ArticleHistory entity.

func (*ArticleHistoryUpdateOne) SaveX 

func (ahuo *ArticleHistoryUpdateOne) SaveX(ctx context.Context) *ArticleHistory

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

func (*ArticleHistoryUpdateOne) Select 

func (ahuo *ArticleHistoryUpdateOne) Select(field string, fields ...string) *ArticleHistoryUpdateOne

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

func (*ArticleHistoryUpdateOne) SetCreatedAt 

func (ahuo *ArticleHistoryUpdateOne) SetCreatedAt(t time.Time) *ArticleHistoryUpdateOne

SetCreatedAt sets the "created_at" field.

func (*ArticleHistoryUpdateOne) SetNillableCreatedAt 

func (ahuo *ArticleHistoryUpdateOne) SetNillableCreatedAt(t *time.Time) *ArticleHistoryUpdateOne

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

func (*ArticleHistoryUpdateOne) Where 

func (ahuo *ArticleHistoryUpdateOne) Where(ps ...predicate.ArticleHistory) *ArticleHistoryUpdateOne

Where appends a list predicates to the ArticleHistoryUpdate builder.

type ArticleMutation 

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

ArticleMutation represents an operation that mutates the Article nodes in the graph.

func (*ArticleMutation) AddField 

func (m *ArticleMutation) 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 (*ArticleMutation) AddedEdges 

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

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

func (*ArticleMutation) AddedField 

func (m *ArticleMutation) 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 (*ArticleMutation) AddedFields 

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

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

func (*ArticleMutation) AddedIDs 

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

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

func (*ArticleMutation) ClearEdge 

func (m *ArticleMutation) 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 (*ArticleMutation) ClearField 

func (m *ArticleMutation) 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 (*ArticleMutation) ClearOwner 

func (m *ArticleMutation) ClearOwner()

ClearOwner clears the "owner" edge to the ArticleHistory entity.

func (*ArticleMutation) ClearedEdges 

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

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

func (*ArticleMutation) ClearedFields 

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

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

func (ArticleMutation) Client 

func (m ArticleMutation) 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 (*ArticleMutation) EdgeCleared 

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

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

func (*ArticleMutation) Field 

func (m *ArticleMutation) 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 (*ArticleMutation) FieldCleared 

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

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

func (*ArticleMutation) Fields 

func (m *ArticleMutation) 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 (*ArticleMutation) ID 

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

ID returns the ID value in the mutation. Note that the ID is only available if it was provided to the builder or after it was returned from the database.

func (*ArticleMutation) IDs 

func (m *ArticleMutation) IDs(ctx context.Context) ([]int, 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 (*ArticleMutation) OldField 

func (m *ArticleMutation) 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 (*ArticleMutation) OldTitle 

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

OldTitle returns the old "title" field's value of the Article entity. If the Article 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 (*ArticleMutation) OldURL 

func (m *ArticleMutation) OldURL(ctx context.Context) (v string, err error)

OldURL returns the old "url" field's value of the Article entity. If the Article 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 (*ArticleMutation) Op 

func (m *ArticleMutation) Op() Op

Op returns the operation name.

func (*ArticleMutation) OwnerCleared 

func (m *ArticleMutation) OwnerCleared() bool

OwnerCleared reports if the "owner" edge to the ArticleHistory entity was cleared.

func (*ArticleMutation) OwnerID 

func (m *ArticleMutation) OwnerID() (id int, exists bool)

OwnerID returns the "owner" edge ID in the mutation.

func (*ArticleMutation) OwnerIDs 

func (m *ArticleMutation) OwnerIDs() (ids []int)

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

func (*ArticleMutation) RemovedEdges 

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

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

func (*ArticleMutation) RemovedIDs 

func (m *ArticleMutation) 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 (*ArticleMutation) ResetEdge 

func (m *ArticleMutation) 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 (*ArticleMutation) ResetField 

func (m *ArticleMutation) 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 (*ArticleMutation) ResetOwner 

func (m *ArticleMutation) ResetOwner()

ResetOwner resets all changes to the "owner" edge.

func (*ArticleMutation) ResetTitle 

func (m *ArticleMutation) ResetTitle()

ResetTitle resets all changes to the "title" field.

func (*ArticleMutation) ResetURL 

func (m *ArticleMutation) ResetURL()

ResetURL resets all changes to the "url" field.

func (*ArticleMutation) SetField 

func (m *ArticleMutation) 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 (*ArticleMutation) SetOp 

func (m *ArticleMutation) SetOp(op Op)

SetOp allows setting the mutation operation.

func (*ArticleMutation) SetOwnerID 

func (m *ArticleMutation) SetOwnerID(id int)

SetOwnerID sets the "owner" edge to the ArticleHistory entity by id.

func (*ArticleMutation) SetTitle 

func (m *ArticleMutation) SetTitle(s string)

SetTitle sets the "title" field.

func (*ArticleMutation) SetURL 

func (m *ArticleMutation) SetURL(s string)

SetURL sets the "url" field.

func (*ArticleMutation) Title 

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

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

func (ArticleMutation) Tx 

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

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

func (*ArticleMutation) Type 

func (m *ArticleMutation) Type() string

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

func (*ArticleMutation) URL 

func (m *ArticleMutation) URL() (r string, exists bool)

URL returns the value of the "url" field in the mutation.

func (*ArticleMutation) Where 

func (m *ArticleMutation) Where(ps ...predicate.Article)

Where appends a list predicates to the ArticleMutation builder.

func (*ArticleMutation) WhereP 

func (m *ArticleMutation) WhereP(ps ...func(*sql.Selector))

WhereP appends storage-level predicates to the ArticleMutation builder. Using this method, users can use type-assertion to append predicates that do not depend on any generated package.

type ArticleQuery 

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

ArticleQuery is the builder for querying Article entities.

func (*ArticleQuery) Aggregate 

func (aq *ArticleQuery) Aggregate(fns ...AggregateFunc) *ArticleSelect

Aggregate returns a ArticleSelect configured with the given aggregations.

func (*ArticleQuery) All 

func (aq *ArticleQuery) All(ctx context.Context) ([]*Article, error)

All executes the query and returns a list of Articles.

func (*ArticleQuery) AllX 

func (aq *ArticleQuery) AllX(ctx context.Context) []*Article

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

func (*ArticleQuery) Clone 

func (aq *ArticleQuery) Clone() *ArticleQuery

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

func (*ArticleQuery) Count 

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

Count returns the count of the given query.

func (*ArticleQuery) CountX 

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

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

func (*ArticleQuery) Exist 

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

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

func (*ArticleQuery) ExistX 

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

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

func (*ArticleQuery) First 

func (aq *ArticleQuery) First(ctx context.Context) (*Article, error)

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

func (*ArticleQuery) FirstID 

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

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

func (*ArticleQuery) FirstIDX 

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

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

func (*ArticleQuery) FirstX 

func (aq *ArticleQuery) FirstX(ctx context.Context) *Article

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

func (*ArticleQuery) GroupBy 

func (aq *ArticleQuery) GroupBy(field string, fields ...string) *ArticleGroupBy

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 {
	Title string `json:"title,omitempty"`
	Count int `json:"count,omitempty"`
}

client.Article.Query().
	GroupBy(article.FieldTitle).
	Aggregate(ent.Count()).
	Scan(ctx, &v)

func (*ArticleQuery) IDs 

func (aq *ArticleQuery) IDs(ctx context.Context) (ids []int, err error)

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

func (*ArticleQuery) IDsX 

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

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

func (*ArticleQuery) Limit 

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

Limit the number of records to be returned by this query.

func (*ArticleQuery) Offset 

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

Offset to start from.

func (*ArticleQuery) Only 

func (aq *ArticleQuery) Only(ctx context.Context) (*Article, error)

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

func (*ArticleQuery) OnlyID 

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

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

func (*ArticleQuery) OnlyIDX 

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

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

func (*ArticleQuery) OnlyX 

func (aq *ArticleQuery) OnlyX(ctx context.Context) *Article

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

func (*ArticleQuery) Order 

func (aq *ArticleQuery) Order(o ...article.OrderOption) *ArticleQuery

Order specifies how the records should be ordered.

func (*ArticleQuery) QueryOwner 

func (aq *ArticleQuery) QueryOwner() *ArticleHistoryQuery

QueryOwner chains the current query on the "owner" edge.

func (*ArticleQuery) Select 

func (aq *ArticleQuery) Select(fields ...string) *ArticleSelect

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 {
	Title string `json:"title,omitempty"`
}

client.Article.Query().
	Select(article.FieldTitle).
	Scan(ctx, &v)

func (*ArticleQuery) Unique 

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

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 (*ArticleQuery) Where 

func (aq *ArticleQuery) Where(ps ...predicate.Article) *ArticleQuery

Where adds a new predicate for the ArticleQuery builder.

func (*ArticleQuery) WithOwner 

func (aq *ArticleQuery) WithOwner(opts ...func(*ArticleHistoryQuery)) *ArticleQuery

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

type ArticleSelect 

type ArticleSelect struct {
	*ArticleQuery
	// contains filtered or unexported fields
}

ArticleSelect is the builder for selecting fields of Article entities.

func (*ArticleSelect) Aggregate 

func (as *ArticleSelect) Aggregate(fns ...AggregateFunc) *ArticleSelect

Aggregate adds the given aggregation functions to the selector query.

func (*ArticleSelect) Bool 

func (s *ArticleSelect) Bool(ctx context.Context) (_ bool, err error)

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

func (*ArticleSelect) BoolX 

func (s *ArticleSelect) BoolX(ctx context.Context) bool

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

func (*ArticleSelect) Bools 

func (s *ArticleSelect) Bools(ctx context.Context) ([]bool, error)

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

func (*ArticleSelect) BoolsX 

func (s *ArticleSelect) BoolsX(ctx context.Context) []bool

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

func (*ArticleSelect) Float64 

func (s *ArticleSelect) Float64(ctx context.Context) (_ float64, err error)

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

func (*ArticleSelect) Float64X 

func (s *ArticleSelect) Float64X(ctx context.Context) float64

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

func (*ArticleSelect) Float64s 

func (s *ArticleSelect) Float64s(ctx context.Context) ([]float64, error)

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

func (*ArticleSelect) Float64sX 

func (s *ArticleSelect) Float64sX(ctx context.Context) []float64

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

func (*ArticleSelect) Int 

func (s *ArticleSelect) Int(ctx context.Context) (_ int, err error)

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

func (*ArticleSelect) IntX 

func (s *ArticleSelect) IntX(ctx context.Context) int

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

func (*ArticleSelect) Ints 

func (s *ArticleSelect) Ints(ctx context.Context) ([]int, error)

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

func (*ArticleSelect) IntsX 

func (s *ArticleSelect) IntsX(ctx context.Context) []int

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

func (*ArticleSelect) Scan 

func (as *ArticleSelect) Scan(ctx context.Context, v any) error

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

func (*ArticleSelect) ScanX 

func (s *ArticleSelect) ScanX(ctx context.Context, v any)

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

func (*ArticleSelect) String 

func (s *ArticleSelect) String(ctx context.Context) (_ string, err error)

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

func (*ArticleSelect) StringX 

func (s *ArticleSelect) StringX(ctx context.Context) string

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

func (*ArticleSelect) Strings 

func (s *ArticleSelect) Strings(ctx context.Context) ([]string, error)

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

func (*ArticleSelect) StringsX 

func (s *ArticleSelect) StringsX(ctx context.Context) []string

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

type ArticleUpdate 

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

ArticleUpdate is the builder for updating Article entities.

func (*ArticleUpdate) ClearOwner 

func (au *ArticleUpdate) ClearOwner() *ArticleUpdate

ClearOwner clears the "owner" edge to the ArticleHistory entity.

func (*ArticleUpdate) Exec 

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

Exec executes the query.

func (*ArticleUpdate) ExecX 

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

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

func (*ArticleUpdate) Mutation 

func (au *ArticleUpdate) Mutation() *ArticleMutation

Mutation returns the ArticleMutation object of the builder.

func (*ArticleUpdate) Save 

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

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

func (*ArticleUpdate) SaveX 

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

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

func (*ArticleUpdate) SetNillableOwnerID 

func (au *ArticleUpdate) SetNillableOwnerID(id *int) *ArticleUpdate

SetNillableOwnerID sets the "owner" edge to the ArticleHistory entity by ID if the given value is not nil.

func (*ArticleUpdate) SetNillableTitle 

func (au *ArticleUpdate) SetNillableTitle(s *string) *ArticleUpdate

SetNillableTitle sets the "title" field if the given value is not nil.

func (*ArticleUpdate) SetNillableURL 

func (au *ArticleUpdate) SetNillableURL(s *string) *ArticleUpdate

SetNillableURL sets the "url" field if the given value is not nil.

func (*ArticleUpdate) SetOwner 

func (au *ArticleUpdate) SetOwner(a *ArticleHistory) *ArticleUpdate

SetOwner sets the "owner" edge to the ArticleHistory entity.

func (*ArticleUpdate) SetOwnerID 

func (au *ArticleUpdate) SetOwnerID(id int) *ArticleUpdate

SetOwnerID sets the "owner" edge to the ArticleHistory entity by ID.

func (*ArticleUpdate) SetTitle 

func (au *ArticleUpdate) SetTitle(s string) *ArticleUpdate

SetTitle sets the "title" field.

func (*ArticleUpdate) SetURL 

func (au *ArticleUpdate) SetURL(s string) *ArticleUpdate

SetURL sets the "url" field.

func (*ArticleUpdate) Where 

func (au *ArticleUpdate) Where(ps ...predicate.Article) *ArticleUpdate

Where appends a list predicates to the ArticleUpdate builder.

type ArticleUpdateOne 

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

ArticleUpdateOne is the builder for updating a single Article entity.

func (*ArticleUpdateOne) ClearOwner 

func (auo *ArticleUpdateOne) ClearOwner() *ArticleUpdateOne

ClearOwner clears the "owner" edge to the ArticleHistory entity.

func (*ArticleUpdateOne) Exec 

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

Exec executes the query on the entity.

func (*ArticleUpdateOne) ExecX 

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

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

func (*ArticleUpdateOne) Mutation 

func (auo *ArticleUpdateOne) Mutation() *ArticleMutation

Mutation returns the ArticleMutation object of the builder.

func (*ArticleUpdateOne) Save 

func (auo *ArticleUpdateOne) Save(ctx context.Context) (*Article, error)

Save executes the query and returns the updated Article entity.

func (*ArticleUpdateOne) SaveX 

func (auo *ArticleUpdateOne) SaveX(ctx context.Context) *Article

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

func (*ArticleUpdateOne) Select 

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

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

func (*ArticleUpdateOne) SetNillableOwnerID 

func (auo *ArticleUpdateOne) SetNillableOwnerID(id *int) *ArticleUpdateOne

SetNillableOwnerID sets the "owner" edge to the ArticleHistory entity by ID if the given value is not nil.

func (*ArticleUpdateOne) SetNillableTitle 

func (auo *ArticleUpdateOne) SetNillableTitle(s *string) *ArticleUpdateOne

SetNillableTitle sets the "title" field if the given value is not nil.

func (*ArticleUpdateOne) SetNillableURL 

func (auo *ArticleUpdateOne) SetNillableURL(s *string) *ArticleUpdateOne

SetNillableURL sets the "url" field if the given value is not nil.

func (*ArticleUpdateOne) SetOwner 

func (auo *ArticleUpdateOne) SetOwner(a *ArticleHistory) *ArticleUpdateOne

SetOwner sets the "owner" edge to the ArticleHistory entity.

func (*ArticleUpdateOne) SetOwnerID 

func (auo *ArticleUpdateOne) SetOwnerID(id int) *ArticleUpdateOne

SetOwnerID sets the "owner" edge to the ArticleHistory entity by ID.

func (*ArticleUpdateOne) SetTitle 

func (auo *ArticleUpdateOne) SetTitle(s string) *ArticleUpdateOne

SetTitle sets the "title" field.

func (*ArticleUpdateOne) SetURL 

func (auo *ArticleUpdateOne) SetURL(s string) *ArticleUpdateOne

SetURL sets the "url" field.

func (*ArticleUpdateOne) Where 

func (auo *ArticleUpdateOne) Where(ps ...predicate.Article) *ArticleUpdateOne

Where appends a list predicates to the ArticleUpdate builder.

type Articles 

type Articles []*Article

Articles is a parsable slice of Article.

type Client 

type Client struct {

	// Schema is the client for creating, migrating and dropping schema.
	Schema *migrate.Schema
	// Article is the client for interacting with the Article builders.
	Article *ArticleClient
	// ArticleHistory is the client for interacting with the ArticleHistory builders.
	ArticleHistory *ArticleHistoryClient
	// 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 Migrate 

func Migrate() *Client

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().
	Article.
	Query().
	Count(ctx)

func (*Client) Intercept 

func (c *Client) Intercept(interceptors ...Interceptor)

Intercept adds the query interceptors to all the entity clients. In order to add interceptors to a specific client, call: `client.Node.Intercept(...)`.

func (*Client) Mutate 

func (c *Client) Mutate(ctx context.Context, m Mutation) (Value, error)

Mutate implements the ent.Mutator interface.

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 InterceptFunc 

type InterceptFunc = ent.InterceptFunc

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

type Interceptor 

type Interceptor = ent.Interceptor

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(...any)) Option

Log sets the logging function for debug mode.

type OrderFunc 

type OrderFunc func(*sql.Selector)

OrderFunc applies an ordering on the sql selector. Deprecated: Use Asc/Desc functions or the package builders instead.

type Policy 

type Policy = ent.Policy

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

type Querier 

type Querier = ent.Querier

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

type QuerierFunc 

type QuerierFunc = ent.QuerierFunc

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 QueryContext 

type QueryContext = ent.QueryContext

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 TraverseFunc 

type TraverseFunc = ent.TraverseFunc

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

type Traverser 

type Traverser = ent.Traverser

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

type Tx 

type Tx struct {

	// Article is the client for interacting with the Article builders.
	Article *ArticleClient
	// ArticleHistory is the client for interacting with the ArticleHistory builders.
	ArticleHistory *ArticleHistoryClient
	// contains filtered or unexported fields
}

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

func TxFromContext 

func TxFromContext(ctx context.Context) *Tx

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

func (*Tx) Client 

func (tx *Tx) Client() *Client

Client returns a Client that binds to current transaction.

func (*Tx) Commit 

func (tx *Tx) Commit() error

Commit commits the transaction.

func (*Tx) OnCommit 

func (tx *Tx) OnCommit(f CommitHook)

OnCommit adds a hook to call on commit.

func (*Tx) OnRollback 

func (tx *Tx) OnRollback(f RollbackHook)

OnRollback adds a hook to call on rollback.

func (*Tx) Rollback 

func (tx *Tx) Rollback() error

Rollback rollbacks the transaction.

type ValidationError 

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

ValidationError returns when validating a field 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.

Source Files

View all Source files

Directories

Path Synopsis

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.