637 lines
19 KiB
Go
637 lines
19 KiB
Go
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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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"database/sql/driver"
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"fmt"
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"math"
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"tel-commerce/ent/predicate"
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"tel-commerce/ent/product"
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"tel-commerce/ent/productcategory"
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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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// ProductCategoryQuery is the builder for querying ProductCategory entities.
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type ProductCategoryQuery struct {
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config
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ctx *QueryContext
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order []productcategory.OrderOption
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inters []Interceptor
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predicates []predicate.ProductCategory
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withProducts *ProductQuery
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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 ProductCategoryQuery builder.
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func (pcq *ProductCategoryQuery) Where(ps ...predicate.ProductCategory) *ProductCategoryQuery {
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pcq.predicates = append(pcq.predicates, ps...)
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return pcq
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}
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// Limit the number of records to be returned by this query.
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func (pcq *ProductCategoryQuery) Limit(limit int) *ProductCategoryQuery {
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pcq.ctx.Limit = &limit
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return pcq
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}
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// Offset to start from.
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func (pcq *ProductCategoryQuery) Offset(offset int) *ProductCategoryQuery {
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pcq.ctx.Offset = &offset
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return pcq
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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 (pcq *ProductCategoryQuery) Unique(unique bool) *ProductCategoryQuery {
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pcq.ctx.Unique = &unique
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return pcq
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}
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// Order specifies how the records should be ordered.
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func (pcq *ProductCategoryQuery) Order(o ...productcategory.OrderOption) *ProductCategoryQuery {
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pcq.order = append(pcq.order, o...)
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return pcq
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}
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// QueryProducts chains the current query on the "products" edge.
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func (pcq *ProductCategoryQuery) QueryProducts() *ProductQuery {
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query := (&ProductClient{config: pcq.config}).Query()
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query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
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if err := pcq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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selector := pcq.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(productcategory.Table, productcategory.FieldID, selector),
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sqlgraph.To(product.Table, product.FieldID),
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sqlgraph.Edge(sqlgraph.M2M, false, productcategory.ProductsTable, productcategory.ProductsPrimaryKey...),
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)
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fromU = sqlgraph.SetNeighbors(pcq.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 ProductCategory entity from the query.
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// Returns a *NotFoundError when no ProductCategory was found.
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func (pcq *ProductCategoryQuery) First(ctx context.Context) (*ProductCategory, error) {
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nodes, err := pcq.Limit(1).All(setContextOp(ctx, pcq.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{productcategory.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 (pcq *ProductCategoryQuery) FirstX(ctx context.Context) *ProductCategory {
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node, err := pcq.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 ProductCategory ID from the query.
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// Returns a *NotFoundError when no ProductCategory ID was found.
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func (pcq *ProductCategoryQuery) FirstID(ctx context.Context) (id int, err error) {
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var ids []int
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if ids, err = pcq.Limit(1).IDs(setContextOp(ctx, pcq.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{productcategory.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 (pcq *ProductCategoryQuery) FirstIDX(ctx context.Context) int {
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id, err := pcq.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 ProductCategory entity found by the query, ensuring it only returns one.
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// Returns a *NotSingularError when more than one ProductCategory entity is found.
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// Returns a *NotFoundError when no ProductCategory entities are found.
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func (pcq *ProductCategoryQuery) Only(ctx context.Context) (*ProductCategory, error) {
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nodes, err := pcq.Limit(2).All(setContextOp(ctx, pcq.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{productcategory.Label}
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default:
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return nil, &NotSingularError{productcategory.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 (pcq *ProductCategoryQuery) OnlyX(ctx context.Context) *ProductCategory {
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node, err := pcq.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 ProductCategory ID in the query.
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// Returns a *NotSingularError when more than one ProductCategory ID is found.
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// Returns a *NotFoundError when no entities are found.
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func (pcq *ProductCategoryQuery) OnlyID(ctx context.Context) (id int, err error) {
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var ids []int
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if ids, err = pcq.Limit(2).IDs(setContextOp(ctx, pcq.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{productcategory.Label}
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default:
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err = &NotSingularError{productcategory.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 (pcq *ProductCategoryQuery) OnlyIDX(ctx context.Context) int {
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id, err := pcq.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 ProductCategories.
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func (pcq *ProductCategoryQuery) All(ctx context.Context) ([]*ProductCategory, error) {
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ctx = setContextOp(ctx, pcq.ctx, "All")
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if err := pcq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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qr := querierAll[[]*ProductCategory, *ProductCategoryQuery]()
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return withInterceptors[[]*ProductCategory](ctx, pcq, qr, pcq.inters)
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}
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// AllX is like All, but panics if an error occurs.
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func (pcq *ProductCategoryQuery) AllX(ctx context.Context) []*ProductCategory {
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nodes, err := pcq.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 ProductCategory IDs.
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func (pcq *ProductCategoryQuery) IDs(ctx context.Context) (ids []int, err error) {
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if pcq.ctx.Unique == nil && pcq.path != nil {
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pcq.Unique(true)
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}
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ctx = setContextOp(ctx, pcq.ctx, "IDs")
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if err = pcq.Select(productcategory.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 (pcq *ProductCategoryQuery) IDsX(ctx context.Context) []int {
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ids, err := pcq.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 (pcq *ProductCategoryQuery) Count(ctx context.Context) (int, error) {
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ctx = setContextOp(ctx, pcq.ctx, "Count")
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if err := pcq.prepareQuery(ctx); err != nil {
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return 0, err
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}
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return withInterceptors[int](ctx, pcq, querierCount[*ProductCategoryQuery](), pcq.inters)
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}
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// CountX is like Count, but panics if an error occurs.
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func (pcq *ProductCategoryQuery) CountX(ctx context.Context) int {
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count, err := pcq.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 (pcq *ProductCategoryQuery) Exist(ctx context.Context) (bool, error) {
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ctx = setContextOp(ctx, pcq.ctx, "Exist")
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switch _, err := pcq.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 (pcq *ProductCategoryQuery) ExistX(ctx context.Context) bool {
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exist, err := pcq.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 ProductCategoryQuery 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 (pcq *ProductCategoryQuery) Clone() *ProductCategoryQuery {
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if pcq == nil {
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return nil
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}
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return &ProductCategoryQuery{
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config: pcq.config,
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ctx: pcq.ctx.Clone(),
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order: append([]productcategory.OrderOption{}, pcq.order...),
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inters: append([]Interceptor{}, pcq.inters...),
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predicates: append([]predicate.ProductCategory{}, pcq.predicates...),
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withProducts: pcq.withProducts.Clone(),
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// clone intermediate query.
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sql: pcq.sql.Clone(),
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path: pcq.path,
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}
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}
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// WithProducts tells the query-builder to eager-load the nodes that are connected to
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// the "products" edge. The optional arguments are used to configure the query builder of the edge.
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func (pcq *ProductCategoryQuery) WithProducts(opts ...func(*ProductQuery)) *ProductCategoryQuery {
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query := (&ProductClient{config: pcq.config}).Query()
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for _, opt := range opts {
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opt(query)
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}
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pcq.withProducts = query
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return pcq
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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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// Name string `json:"name,omitempty"`
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// Count int `json:"count,omitempty"`
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// }
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//
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// client.ProductCategory.Query().
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// GroupBy(productcategory.FieldName).
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// Aggregate(ent.Count()).
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// Scan(ctx, &v)
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func (pcq *ProductCategoryQuery) GroupBy(field string, fields ...string) *ProductCategoryGroupBy {
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pcq.ctx.Fields = append([]string{field}, fields...)
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grbuild := &ProductCategoryGroupBy{build: pcq}
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grbuild.flds = &pcq.ctx.Fields
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grbuild.label = productcategory.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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// Name string `json:"name,omitempty"`
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// }
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//
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// client.ProductCategory.Query().
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// Select(productcategory.FieldName).
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// Scan(ctx, &v)
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func (pcq *ProductCategoryQuery) Select(fields ...string) *ProductCategorySelect {
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pcq.ctx.Fields = append(pcq.ctx.Fields, fields...)
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sbuild := &ProductCategorySelect{ProductCategoryQuery: pcq}
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sbuild.label = productcategory.Label
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sbuild.flds, sbuild.scan = &pcq.ctx.Fields, sbuild.Scan
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return sbuild
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}
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// Aggregate returns a ProductCategorySelect configured with the given aggregations.
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func (pcq *ProductCategoryQuery) Aggregate(fns ...AggregateFunc) *ProductCategorySelect {
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return pcq.Select().Aggregate(fns...)
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}
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func (pcq *ProductCategoryQuery) prepareQuery(ctx context.Context) error {
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for _, inter := range pcq.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, pcq); 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 pcq.ctx.Fields {
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if !productcategory.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 pcq.path != nil {
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prev, err := pcq.path(ctx)
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if err != nil {
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return err
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}
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pcq.sql = prev
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}
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return nil
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}
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func (pcq *ProductCategoryQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*ProductCategory, error) {
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var (
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nodes = []*ProductCategory{}
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_spec = pcq.querySpec()
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loadedTypes = [1]bool{
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pcq.withProducts != nil,
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}
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)
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_spec.ScanValues = func(columns []string) ([]any, error) {
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return (*ProductCategory).scanValues(nil, columns)
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}
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_spec.Assign = func(columns []string, values []any) error {
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node := &ProductCategory{config: pcq.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, pcq.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 := pcq.withProducts; query != nil {
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if err := pcq.loadProducts(ctx, query, nodes,
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func(n *ProductCategory) { n.Edges.Products = []*Product{} },
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func(n *ProductCategory, e *Product) { n.Edges.Products = append(n.Edges.Products, 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 (pcq *ProductCategoryQuery) loadProducts(ctx context.Context, query *ProductQuery, nodes []*ProductCategory, init func(*ProductCategory), assign func(*ProductCategory, *Product)) error {
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edgeIDs := make([]driver.Value, len(nodes))
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byID := make(map[int]*ProductCategory)
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nids := make(map[int]map[*ProductCategory]struct{})
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for i, node := range nodes {
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edgeIDs[i] = node.ID
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byID[node.ID] = node
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if init != nil {
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init(node)
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}
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}
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query.Where(func(s *sql.Selector) {
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joinT := sql.Table(productcategory.ProductsTable)
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s.Join(joinT).On(s.C(product.FieldID), joinT.C(productcategory.ProductsPrimaryKey[1]))
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s.Where(sql.InValues(joinT.C(productcategory.ProductsPrimaryKey[0]), edgeIDs...))
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columns := s.SelectedColumns()
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s.Select(joinT.C(productcategory.ProductsPrimaryKey[0]))
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s.AppendSelect(columns...)
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s.SetDistinct(false)
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})
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||
|
if err := query.prepareQuery(ctx); err != nil {
|
||
|
return err
|
||
|
}
|
||
|
qr := QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
|
||
|
return query.sqlAll(ctx, func(_ context.Context, spec *sqlgraph.QuerySpec) {
|
||
|
assign := spec.Assign
|
||
|
values := spec.ScanValues
|
||
|
spec.ScanValues = func(columns []string) ([]any, error) {
|
||
|
values, err := values(columns[1:])
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
return append([]any{new(sql.NullInt64)}, values...), nil
|
||
|
}
|
||
|
spec.Assign = func(columns []string, values []any) error {
|
||
|
outValue := int(values[0].(*sql.NullInt64).Int64)
|
||
|
inValue := int(values[1].(*sql.NullInt64).Int64)
|
||
|
if nids[inValue] == nil {
|
||
|
nids[inValue] = map[*ProductCategory]struct{}{byID[outValue]: {}}
|
||
|
return assign(columns[1:], values[1:])
|
||
|
}
|
||
|
nids[inValue][byID[outValue]] = struct{}{}
|
||
|
return nil
|
||
|
}
|
||
|
})
|
||
|
})
|
||
|
neighbors, err := withInterceptors[[]*Product](ctx, query, qr, query.inters)
|
||
|
if err != nil {
|
||
|
return err
|
||
|
}
|
||
|
for _, n := range neighbors {
|
||
|
nodes, ok := nids[n.ID]
|
||
|
if !ok {
|
||
|
return fmt.Errorf(`unexpected "products" node returned %v`, n.ID)
|
||
|
}
|
||
|
for kn := range nodes {
|
||
|
assign(kn, n)
|
||
|
}
|
||
|
}
|
||
|
return nil
|
||
|
}
|
||
|
|
||
|
func (pcq *ProductCategoryQuery) sqlCount(ctx context.Context) (int, error) {
|
||
|
_spec := pcq.querySpec()
|
||
|
_spec.Node.Columns = pcq.ctx.Fields
|
||
|
if len(pcq.ctx.Fields) > 0 {
|
||
|
_spec.Unique = pcq.ctx.Unique != nil && *pcq.ctx.Unique
|
||
|
}
|
||
|
return sqlgraph.CountNodes(ctx, pcq.driver, _spec)
|
||
|
}
|
||
|
|
||
|
func (pcq *ProductCategoryQuery) querySpec() *sqlgraph.QuerySpec {
|
||
|
_spec := sqlgraph.NewQuerySpec(productcategory.Table, productcategory.Columns, sqlgraph.NewFieldSpec(productcategory.FieldID, field.TypeInt))
|
||
|
_spec.From = pcq.sql
|
||
|
if unique := pcq.ctx.Unique; unique != nil {
|
||
|
_spec.Unique = *unique
|
||
|
} else if pcq.path != nil {
|
||
|
_spec.Unique = true
|
||
|
}
|
||
|
if fields := pcq.ctx.Fields; len(fields) > 0 {
|
||
|
_spec.Node.Columns = make([]string, 0, len(fields))
|
||
|
_spec.Node.Columns = append(_spec.Node.Columns, productcategory.FieldID)
|
||
|
for i := range fields {
|
||
|
if fields[i] != productcategory.FieldID {
|
||
|
_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
if ps := pcq.predicates; len(ps) > 0 {
|
||
|
_spec.Predicate = func(selector *sql.Selector) {
|
||
|
for i := range ps {
|
||
|
ps[i](selector)
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
if limit := pcq.ctx.Limit; limit != nil {
|
||
|
_spec.Limit = *limit
|
||
|
}
|
||
|
if offset := pcq.ctx.Offset; offset != nil {
|
||
|
_spec.Offset = *offset
|
||
|
}
|
||
|
if ps := pcq.order; len(ps) > 0 {
|
||
|
_spec.Order = func(selector *sql.Selector) {
|
||
|
for i := range ps {
|
||
|
ps[i](selector)
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return _spec
|
||
|
}
|
||
|
|
||
|
func (pcq *ProductCategoryQuery) sqlQuery(ctx context.Context) *sql.Selector {
|
||
|
builder := sql.Dialect(pcq.driver.Dialect())
|
||
|
t1 := builder.Table(productcategory.Table)
|
||
|
columns := pcq.ctx.Fields
|
||
|
if len(columns) == 0 {
|
||
|
columns = productcategory.Columns
|
||
|
}
|
||
|
selector := builder.Select(t1.Columns(columns...)...).From(t1)
|
||
|
if pcq.sql != nil {
|
||
|
selector = pcq.sql
|
||
|
selector.Select(selector.Columns(columns...)...)
|
||
|
}
|
||
|
if pcq.ctx.Unique != nil && *pcq.ctx.Unique {
|
||
|
selector.Distinct()
|
||
|
}
|
||
|
for _, p := range pcq.predicates {
|
||
|
p(selector)
|
||
|
}
|
||
|
for _, p := range pcq.order {
|
||
|
p(selector)
|
||
|
}
|
||
|
if offset := pcq.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 := pcq.ctx.Limit; limit != nil {
|
||
|
selector.Limit(*limit)
|
||
|
}
|
||
|
return selector
|
||
|
}
|
||
|
|
||
|
// ProductCategoryGroupBy is the group-by builder for ProductCategory entities.
|
||
|
type ProductCategoryGroupBy struct {
|
||
|
selector
|
||
|
build *ProductCategoryQuery
|
||
|
}
|
||
|
|
||
|
// Aggregate adds the given aggregation functions to the group-by query.
|
||
|
func (pcgb *ProductCategoryGroupBy) Aggregate(fns ...AggregateFunc) *ProductCategoryGroupBy {
|
||
|
pcgb.fns = append(pcgb.fns, fns...)
|
||
|
return pcgb
|
||
|
}
|
||
|
|
||
|
// Scan applies the selector query and scans the result into the given value.
|
||
|
func (pcgb *ProductCategoryGroupBy) Scan(ctx context.Context, v any) error {
|
||
|
ctx = setContextOp(ctx, pcgb.build.ctx, "GroupBy")
|
||
|
if err := pcgb.build.prepareQuery(ctx); err != nil {
|
||
|
return err
|
||
|
}
|
||
|
return scanWithInterceptors[*ProductCategoryQuery, *ProductCategoryGroupBy](ctx, pcgb.build, pcgb, pcgb.build.inters, v)
|
||
|
}
|
||
|
|
||
|
func (pcgb *ProductCategoryGroupBy) sqlScan(ctx context.Context, root *ProductCategoryQuery, v any) error {
|
||
|
selector := root.sqlQuery(ctx).Select()
|
||
|
aggregation := make([]string, 0, len(pcgb.fns))
|
||
|
for _, fn := range pcgb.fns {
|
||
|
aggregation = append(aggregation, fn(selector))
|
||
|
}
|
||
|
if len(selector.SelectedColumns()) == 0 {
|
||
|
columns := make([]string, 0, len(*pcgb.flds)+len(pcgb.fns))
|
||
|
for _, f := range *pcgb.flds {
|
||
|
columns = append(columns, selector.C(f))
|
||
|
}
|
||
|
columns = append(columns, aggregation...)
|
||
|
selector.Select(columns...)
|
||
|
}
|
||
|
selector.GroupBy(selector.Columns(*pcgb.flds...)...)
|
||
|
if err := selector.Err(); err != nil {
|
||
|
return err
|
||
|
}
|
||
|
rows := &sql.Rows{}
|
||
|
query, args := selector.Query()
|
||
|
if err := pcgb.build.driver.Query(ctx, query, args, rows); err != nil {
|
||
|
return err
|
||
|
}
|
||
|
defer rows.Close()
|
||
|
return sql.ScanSlice(rows, v)
|
||
|
}
|
||
|
|
||
|
// ProductCategorySelect is the builder for selecting fields of ProductCategory entities.
|
||
|
type ProductCategorySelect struct {
|
||
|
*ProductCategoryQuery
|
||
|
selector
|
||
|
}
|
||
|
|
||
|
// Aggregate adds the given aggregation functions to the selector query.
|
||
|
func (pcs *ProductCategorySelect) Aggregate(fns ...AggregateFunc) *ProductCategorySelect {
|
||
|
pcs.fns = append(pcs.fns, fns...)
|
||
|
return pcs
|
||
|
}
|
||
|
|
||
|
// Scan applies the selector query and scans the result into the given value.
|
||
|
func (pcs *ProductCategorySelect) Scan(ctx context.Context, v any) error {
|
||
|
ctx = setContextOp(ctx, pcs.ctx, "Select")
|
||
|
if err := pcs.prepareQuery(ctx); err != nil {
|
||
|
return err
|
||
|
}
|
||
|
return scanWithInterceptors[*ProductCategoryQuery, *ProductCategorySelect](ctx, pcs.ProductCategoryQuery, pcs, pcs.inters, v)
|
||
|
}
|
||
|
|
||
|
func (pcs *ProductCategorySelect) sqlScan(ctx context.Context, root *ProductCategoryQuery, v any) error {
|
||
|
selector := root.sqlQuery(ctx)
|
||
|
aggregation := make([]string, 0, len(pcs.fns))
|
||
|
for _, fn := range pcs.fns {
|
||
|
aggregation = append(aggregation, fn(selector))
|
||
|
}
|
||
|
switch n := len(*pcs.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 := pcs.driver.Query(ctx, query, args, rows); err != nil {
|
||
|
return err
|
||
|
}
|
||
|
defer rows.Close()
|
||
|
return sql.ScanSlice(rows, v)
|
||
|
}
|