first gen
This commit is contained in:
613
ent/card_query.go
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613
ent/card_query.go
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@ -0,0 +1,613 @@
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// Code generated by ent, DO NOT EDIT.
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package ent
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import (
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"context"
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"fmt"
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"math"
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"t/ent/card"
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"t/ent/predicate"
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"t/ent/user"
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"entgo.io/ent/dialect/sql"
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"entgo.io/ent/dialect/sql/sqlgraph"
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"entgo.io/ent/schema/field"
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)
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// CardQuery is the builder for querying Card entities.
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type CardQuery struct {
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config
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ctx *QueryContext
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order []OrderFunc
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inters []Interceptor
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predicates []predicate.Card
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withOwner *UserQuery
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withFKs bool
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// intermediate query (i.e. traversal path).
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sql *sql.Selector
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path func(context.Context) (*sql.Selector, error)
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}
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// Where adds a new predicate for the CardQuery builder.
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func (cq *CardQuery) Where(ps ...predicate.Card) *CardQuery {
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cq.predicates = append(cq.predicates, ps...)
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return cq
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}
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// Limit the number of records to be returned by this query.
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func (cq *CardQuery) Limit(limit int) *CardQuery {
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cq.ctx.Limit = &limit
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return cq
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}
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// Offset to start from.
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func (cq *CardQuery) Offset(offset int) *CardQuery {
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cq.ctx.Offset = &offset
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return cq
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}
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// Unique configures the query builder to filter duplicate records on query.
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// By default, unique is set to true, and can be disabled using this method.
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func (cq *CardQuery) Unique(unique bool) *CardQuery {
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cq.ctx.Unique = &unique
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return cq
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}
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// Order specifies how the records should be ordered.
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func (cq *CardQuery) Order(o ...OrderFunc) *CardQuery {
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cq.order = append(cq.order, o...)
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return cq
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}
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// QueryOwner chains the current query on the "owner" edge.
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func (cq *CardQuery) QueryOwner() *UserQuery {
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query := (&UserClient{config: cq.config}).Query()
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query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
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if err := cq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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selector := cq.sqlQuery(ctx)
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if err := selector.Err(); err != nil {
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return nil, err
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}
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step := sqlgraph.NewStep(
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sqlgraph.From(card.Table, card.FieldID, selector),
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sqlgraph.To(user.Table, user.FieldID),
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sqlgraph.Edge(sqlgraph.M2O, true, card.OwnerTable, card.OwnerColumn),
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)
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fromU = sqlgraph.SetNeighbors(cq.driver.Dialect(), step)
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return fromU, nil
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}
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return query
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}
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// First returns the first Card entity from the query.
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// Returns a *NotFoundError when no Card was found.
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func (cq *CardQuery) First(ctx context.Context) (*Card, error) {
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nodes, err := cq.Limit(1).All(setContextOp(ctx, cq.ctx, "First"))
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if err != nil {
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return nil, err
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}
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if len(nodes) == 0 {
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return nil, &NotFoundError{card.Label}
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}
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return nodes[0], nil
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}
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// FirstX is like First, but panics if an error occurs.
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func (cq *CardQuery) FirstX(ctx context.Context) *Card {
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node, err := cq.First(ctx)
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if err != nil && !IsNotFound(err) {
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panic(err)
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}
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return node
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}
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// FirstID returns the first Card ID from the query.
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// Returns a *NotFoundError when no Card ID was found.
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func (cq *CardQuery) FirstID(ctx context.Context) (id int, err error) {
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var ids []int
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if ids, err = cq.Limit(1).IDs(setContextOp(ctx, cq.ctx, "FirstID")); err != nil {
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return
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}
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if len(ids) == 0 {
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err = &NotFoundError{card.Label}
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return
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}
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return ids[0], nil
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}
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// FirstIDX is like FirstID, but panics if an error occurs.
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func (cq *CardQuery) FirstIDX(ctx context.Context) int {
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id, err := cq.FirstID(ctx)
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if err != nil && !IsNotFound(err) {
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panic(err)
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}
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return id
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}
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// Only returns a single Card entity found by the query, ensuring it only returns one.
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// Returns a *NotSingularError when more than one Card entity is found.
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// Returns a *NotFoundError when no Card entities are found.
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func (cq *CardQuery) Only(ctx context.Context) (*Card, error) {
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nodes, err := cq.Limit(2).All(setContextOp(ctx, cq.ctx, "Only"))
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if err != nil {
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return nil, err
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}
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switch len(nodes) {
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case 1:
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return nodes[0], nil
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case 0:
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return nil, &NotFoundError{card.Label}
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default:
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return nil, &NotSingularError{card.Label}
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}
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}
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// OnlyX is like Only, but panics if an error occurs.
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func (cq *CardQuery) OnlyX(ctx context.Context) *Card {
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node, err := cq.Only(ctx)
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if err != nil {
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panic(err)
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}
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return node
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}
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// OnlyID is like Only, but returns the only Card ID in the query.
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// Returns a *NotSingularError when more than one Card ID is found.
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// Returns a *NotFoundError when no entities are found.
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func (cq *CardQuery) OnlyID(ctx context.Context) (id int, err error) {
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var ids []int
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if ids, err = cq.Limit(2).IDs(setContextOp(ctx, cq.ctx, "OnlyID")); err != nil {
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return
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}
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switch len(ids) {
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case 1:
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id = ids[0]
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case 0:
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err = &NotFoundError{card.Label}
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default:
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err = &NotSingularError{card.Label}
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}
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return
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}
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// OnlyIDX is like OnlyID, but panics if an error occurs.
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func (cq *CardQuery) OnlyIDX(ctx context.Context) int {
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id, err := cq.OnlyID(ctx)
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if err != nil {
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panic(err)
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}
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return id
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}
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// All executes the query and returns a list of Cards.
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func (cq *CardQuery) All(ctx context.Context) ([]*Card, error) {
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ctx = setContextOp(ctx, cq.ctx, "All")
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if err := cq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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qr := querierAll[[]*Card, *CardQuery]()
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return withInterceptors[[]*Card](ctx, cq, qr, cq.inters)
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}
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// AllX is like All, but panics if an error occurs.
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func (cq *CardQuery) AllX(ctx context.Context) []*Card {
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nodes, err := cq.All(ctx)
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if err != nil {
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panic(err)
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}
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return nodes
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}
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// IDs executes the query and returns a list of Card IDs.
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func (cq *CardQuery) IDs(ctx context.Context) (ids []int, err error) {
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if cq.ctx.Unique == nil && cq.path != nil {
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cq.Unique(true)
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}
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ctx = setContextOp(ctx, cq.ctx, "IDs")
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if err = cq.Select(card.FieldID).Scan(ctx, &ids); err != nil {
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return nil, err
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}
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return ids, nil
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}
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// IDsX is like IDs, but panics if an error occurs.
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func (cq *CardQuery) IDsX(ctx context.Context) []int {
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ids, err := cq.IDs(ctx)
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if err != nil {
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panic(err)
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}
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return ids
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}
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// Count returns the count of the given query.
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func (cq *CardQuery) Count(ctx context.Context) (int, error) {
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ctx = setContextOp(ctx, cq.ctx, "Count")
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if err := cq.prepareQuery(ctx); err != nil {
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return 0, err
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}
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return withInterceptors[int](ctx, cq, querierCount[*CardQuery](), cq.inters)
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}
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// CountX is like Count, but panics if an error occurs.
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func (cq *CardQuery) CountX(ctx context.Context) int {
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count, err := cq.Count(ctx)
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if err != nil {
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panic(err)
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}
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return count
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}
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// Exist returns true if the query has elements in the graph.
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func (cq *CardQuery) Exist(ctx context.Context) (bool, error) {
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ctx = setContextOp(ctx, cq.ctx, "Exist")
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switch _, err := cq.FirstID(ctx); {
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case IsNotFound(err):
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return false, nil
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case err != nil:
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return false, fmt.Errorf("ent: check existence: %w", err)
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default:
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return true, nil
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}
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}
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// ExistX is like Exist, but panics if an error occurs.
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func (cq *CardQuery) ExistX(ctx context.Context) bool {
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exist, err := cq.Exist(ctx)
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if err != nil {
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panic(err)
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}
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return exist
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}
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// Clone returns a duplicate of the CardQuery builder, including all associated steps. It can be
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// used to prepare common query builders and use them differently after the clone is made.
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func (cq *CardQuery) Clone() *CardQuery {
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if cq == nil {
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return nil
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}
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return &CardQuery{
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config: cq.config,
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ctx: cq.ctx.Clone(),
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order: append([]OrderFunc{}, cq.order...),
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inters: append([]Interceptor{}, cq.inters...),
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predicates: append([]predicate.Card{}, cq.predicates...),
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withOwner: cq.withOwner.Clone(),
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// clone intermediate query.
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sql: cq.sql.Clone(),
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path: cq.path,
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}
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}
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// WithOwner tells the query-builder to eager-load the nodes that are connected to
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// the "owner" edge. The optional arguments are used to configure the query builder of the edge.
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func (cq *CardQuery) WithOwner(opts ...func(*UserQuery)) *CardQuery {
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query := (&UserClient{config: cq.config}).Query()
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for _, opt := range opts {
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opt(query)
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}
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cq.withOwner = query
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return cq
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}
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// GroupBy is used to group vertices by one or more fields/columns.
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// It is often used with aggregate functions, like: count, max, mean, min, sum.
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//
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// Example:
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//
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// var v []struct {
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// Card int `json:"card,omitempty"`
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// Count int `json:"count,omitempty"`
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// }
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//
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// client.Card.Query().
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// GroupBy(card.FieldCard).
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// Aggregate(ent.Count()).
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// Scan(ctx, &v)
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func (cq *CardQuery) GroupBy(field string, fields ...string) *CardGroupBy {
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cq.ctx.Fields = append([]string{field}, fields...)
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grbuild := &CardGroupBy{build: cq}
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grbuild.flds = &cq.ctx.Fields
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grbuild.label = card.Label
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grbuild.scan = grbuild.Scan
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return grbuild
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}
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// Select allows the selection one or more fields/columns for the given query,
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// instead of selecting all fields in the entity.
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//
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// Example:
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//
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// var v []struct {
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// Card int `json:"card,omitempty"`
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// }
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//
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// client.Card.Query().
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// Select(card.FieldCard).
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// Scan(ctx, &v)
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func (cq *CardQuery) Select(fields ...string) *CardSelect {
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cq.ctx.Fields = append(cq.ctx.Fields, fields...)
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sbuild := &CardSelect{CardQuery: cq}
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sbuild.label = card.Label
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sbuild.flds, sbuild.scan = &cq.ctx.Fields, sbuild.Scan
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return sbuild
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}
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// Aggregate returns a CardSelect configured with the given aggregations.
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func (cq *CardQuery) Aggregate(fns ...AggregateFunc) *CardSelect {
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return cq.Select().Aggregate(fns...)
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}
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func (cq *CardQuery) prepareQuery(ctx context.Context) error {
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for _, inter := range cq.inters {
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if inter == nil {
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return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
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}
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if trv, ok := inter.(Traverser); ok {
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if err := trv.Traverse(ctx, cq); err != nil {
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return err
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}
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}
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}
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for _, f := range cq.ctx.Fields {
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if !card.ValidColumn(f) {
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return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
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}
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}
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if cq.path != nil {
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prev, err := cq.path(ctx)
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if err != nil {
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return err
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}
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cq.sql = prev
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}
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return nil
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}
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func (cq *CardQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Card, error) {
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var (
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nodes = []*Card{}
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withFKs = cq.withFKs
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_spec = cq.querySpec()
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loadedTypes = [1]bool{
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cq.withOwner != nil,
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}
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)
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if cq.withOwner != nil {
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withFKs = true
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}
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if withFKs {
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_spec.Node.Columns = append(_spec.Node.Columns, card.ForeignKeys...)
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}
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_spec.ScanValues = func(columns []string) ([]any, error) {
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return (*Card).scanValues(nil, columns)
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}
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_spec.Assign = func(columns []string, values []any) error {
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node := &Card{config: cq.config}
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nodes = append(nodes, node)
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node.Edges.loadedTypes = loadedTypes
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return node.assignValues(columns, values)
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}
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for i := range hooks {
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hooks[i](ctx, _spec)
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}
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if err := sqlgraph.QueryNodes(ctx, cq.driver, _spec); err != nil {
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return nil, err
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}
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if len(nodes) == 0 {
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return nodes, nil
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}
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if query := cq.withOwner; query != nil {
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if err := cq.loadOwner(ctx, query, nodes, nil,
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func(n *Card, e *User) { n.Edges.Owner = e }); err != nil {
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return nil, err
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}
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}
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return nodes, nil
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}
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func (cq *CardQuery) loadOwner(ctx context.Context, query *UserQuery, nodes []*Card, init func(*Card), assign func(*Card, *User)) error {
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ids := make([]int, 0, len(nodes))
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nodeids := make(map[int][]*Card)
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for i := range nodes {
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if nodes[i].user_card == nil {
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continue
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}
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fk := *nodes[i].user_card
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if _, ok := nodeids[fk]; !ok {
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ids = append(ids, fk)
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}
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nodeids[fk] = append(nodeids[fk], nodes[i])
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}
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if len(ids) == 0 {
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return nil
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}
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query.Where(user.IDIn(ids...))
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neighbors, err := query.All(ctx)
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if err != nil {
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return err
|
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}
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for _, n := range neighbors {
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nodes, ok := nodeids[n.ID]
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if !ok {
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return fmt.Errorf(`unexpected foreign-key "user_card" returned %v`, n.ID)
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}
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for i := range nodes {
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assign(nodes[i], n)
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}
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}
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return nil
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}
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func (cq *CardQuery) sqlCount(ctx context.Context) (int, error) {
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_spec := cq.querySpec()
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_spec.Node.Columns = cq.ctx.Fields
|
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if len(cq.ctx.Fields) > 0 {
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_spec.Unique = cq.ctx.Unique != nil && *cq.ctx.Unique
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}
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return sqlgraph.CountNodes(ctx, cq.driver, _spec)
|
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}
|
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func (cq *CardQuery) querySpec() *sqlgraph.QuerySpec {
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_spec := sqlgraph.NewQuerySpec(card.Table, card.Columns, sqlgraph.NewFieldSpec(card.FieldID, field.TypeInt))
|
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_spec.From = cq.sql
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if unique := cq.ctx.Unique; unique != nil {
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_spec.Unique = *unique
|
||||
} else if cq.path != nil {
|
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_spec.Unique = true
|
||||
}
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||||
if fields := cq.ctx.Fields; len(fields) > 0 {
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||||
_spec.Node.Columns = make([]string, 0, len(fields))
|
||||
_spec.Node.Columns = append(_spec.Node.Columns, card.FieldID)
|
||||
for i := range fields {
|
||||
if fields[i] != card.FieldID {
|
||||
_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
|
||||
}
|
||||
}
|
||||
}
|
||||
if ps := cq.predicates; len(ps) > 0 {
|
||||
_spec.Predicate = func(selector *sql.Selector) {
|
||||
for i := range ps {
|
||||
ps[i](selector)
|
||||
}
|
||||
}
|
||||
}
|
||||
if limit := cq.ctx.Limit; limit != nil {
|
||||
_spec.Limit = *limit
|
||||
}
|
||||
if offset := cq.ctx.Offset; offset != nil {
|
||||
_spec.Offset = *offset
|
||||
}
|
||||
if ps := cq.order; len(ps) > 0 {
|
||||
_spec.Order = func(selector *sql.Selector) {
|
||||
for i := range ps {
|
||||
ps[i](selector)
|
||||
}
|
||||
}
|
||||
}
|
||||
return _spec
|
||||
}
|
||||
|
||||
func (cq *CardQuery) sqlQuery(ctx context.Context) *sql.Selector {
|
||||
builder := sql.Dialect(cq.driver.Dialect())
|
||||
t1 := builder.Table(card.Table)
|
||||
columns := cq.ctx.Fields
|
||||
if len(columns) == 0 {
|
||||
columns = card.Columns
|
||||
}
|
||||
selector := builder.Select(t1.Columns(columns...)...).From(t1)
|
||||
if cq.sql != nil {
|
||||
selector = cq.sql
|
||||
selector.Select(selector.Columns(columns...)...)
|
||||
}
|
||||
if cq.ctx.Unique != nil && *cq.ctx.Unique {
|
||||
selector.Distinct()
|
||||
}
|
||||
for _, p := range cq.predicates {
|
||||
p(selector)
|
||||
}
|
||||
for _, p := range cq.order {
|
||||
p(selector)
|
||||
}
|
||||
if offset := cq.ctx.Offset; offset != nil {
|
||||
// limit is mandatory for offset clause. We start
|
||||
// with default value, and override it below if needed.
|
||||
selector.Offset(*offset).Limit(math.MaxInt32)
|
||||
}
|
||||
if limit := cq.ctx.Limit; limit != nil {
|
||||
selector.Limit(*limit)
|
||||
}
|
||||
return selector
|
||||
}
|
||||
|
||||
// CardGroupBy is the group-by builder for Card entities.
|
||||
type CardGroupBy struct {
|
||||
selector
|
||||
build *CardQuery
|
||||
}
|
||||
|
||||
// Aggregate adds the given aggregation functions to the group-by query.
|
||||
func (cgb *CardGroupBy) Aggregate(fns ...AggregateFunc) *CardGroupBy {
|
||||
cgb.fns = append(cgb.fns, fns...)
|
||||
return cgb
|
||||
}
|
||||
|
||||
// Scan applies the selector query and scans the result into the given value.
|
||||
func (cgb *CardGroupBy) Scan(ctx context.Context, v any) error {
|
||||
ctx = setContextOp(ctx, cgb.build.ctx, "GroupBy")
|
||||
if err := cgb.build.prepareQuery(ctx); err != nil {
|
||||
return err
|
||||
}
|
||||
return scanWithInterceptors[*CardQuery, *CardGroupBy](ctx, cgb.build, cgb, cgb.build.inters, v)
|
||||
}
|
||||
|
||||
func (cgb *CardGroupBy) sqlScan(ctx context.Context, root *CardQuery, v any) error {
|
||||
selector := root.sqlQuery(ctx).Select()
|
||||
aggregation := make([]string, 0, len(cgb.fns))
|
||||
for _, fn := range cgb.fns {
|
||||
aggregation = append(aggregation, fn(selector))
|
||||
}
|
||||
if len(selector.SelectedColumns()) == 0 {
|
||||
columns := make([]string, 0, len(*cgb.flds)+len(cgb.fns))
|
||||
for _, f := range *cgb.flds {
|
||||
columns = append(columns, selector.C(f))
|
||||
}
|
||||
columns = append(columns, aggregation...)
|
||||
selector.Select(columns...)
|
||||
}
|
||||
selector.GroupBy(selector.Columns(*cgb.flds...)...)
|
||||
if err := selector.Err(); err != nil {
|
||||
return err
|
||||
}
|
||||
rows := &sql.Rows{}
|
||||
query, args := selector.Query()
|
||||
if err := cgb.build.driver.Query(ctx, query, args, rows); err != nil {
|
||||
return err
|
||||
}
|
||||
defer rows.Close()
|
||||
return sql.ScanSlice(rows, v)
|
||||
}
|
||||
|
||||
// CardSelect is the builder for selecting fields of Card entities.
|
||||
type CardSelect struct {
|
||||
*CardQuery
|
||||
selector
|
||||
}
|
||||
|
||||
// Aggregate adds the given aggregation functions to the selector query.
|
||||
func (cs *CardSelect) Aggregate(fns ...AggregateFunc) *CardSelect {
|
||||
cs.fns = append(cs.fns, fns...)
|
||||
return cs
|
||||
}
|
||||
|
||||
// Scan applies the selector query and scans the result into the given value.
|
||||
func (cs *CardSelect) Scan(ctx context.Context, v any) error {
|
||||
ctx = setContextOp(ctx, cs.ctx, "Select")
|
||||
if err := cs.prepareQuery(ctx); err != nil {
|
||||
return err
|
||||
}
|
||||
return scanWithInterceptors[*CardQuery, *CardSelect](ctx, cs.CardQuery, cs, cs.inters, v)
|
||||
}
|
||||
|
||||
func (cs *CardSelect) sqlScan(ctx context.Context, root *CardQuery, v any) error {
|
||||
selector := root.sqlQuery(ctx)
|
||||
aggregation := make([]string, 0, len(cs.fns))
|
||||
for _, fn := range cs.fns {
|
||||
aggregation = append(aggregation, fn(selector))
|
||||
}
|
||||
switch n := len(*cs.selector.flds); {
|
||||
case n == 0 && len(aggregation) > 0:
|
||||
selector.Select(aggregation...)
|
||||
case n != 0 && len(aggregation) > 0:
|
||||
selector.AppendSelect(aggregation...)
|
||||
}
|
||||
rows := &sql.Rows{}
|
||||
query, args := selector.Query()
|
||||
if err := cs.driver.Query(ctx, query, args, rows); err != nil {
|
||||
return err
|
||||
}
|
||||
defer rows.Close()
|
||||
return sql.ScanSlice(rows, v)
|
||||
}
|
||||
Reference in New Issue
Block a user