644 lines
18 KiB
Go
644 lines
18 KiB
Go
// 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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"code.icod.de/dalu/ka/ent/category"
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"code.icod.de/dalu/ka/ent/post"
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"code.icod.de/dalu/ka/ent/predicate"
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"entgo.io/ent"
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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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"github.com/google/uuid"
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)
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// CategoryQuery is the builder for querying Category entities.
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type CategoryQuery struct {
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config
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ctx *QueryContext
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order []category.OrderOption
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inters []Interceptor
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predicates []predicate.Category
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withPosts *PostQuery
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modifiers []func(*sql.Selector)
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loadTotal []func(context.Context, []*Category) error
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withNamedPosts map[string]*PostQuery
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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 CategoryQuery builder.
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func (cq *CategoryQuery) Where(ps ...predicate.Category) *CategoryQuery {
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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 *CategoryQuery) Limit(limit int) *CategoryQuery {
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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 *CategoryQuery) Offset(offset int) *CategoryQuery {
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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 *CategoryQuery) Unique(unique bool) *CategoryQuery {
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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 *CategoryQuery) Order(o ...category.OrderOption) *CategoryQuery {
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cq.order = append(cq.order, o...)
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return cq
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}
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// QueryPosts chains the current query on the "posts" edge.
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func (cq *CategoryQuery) QueryPosts() *PostQuery {
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query := (&PostClient{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(category.Table, category.FieldID, selector),
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sqlgraph.To(post.Table, post.FieldID),
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sqlgraph.Edge(sqlgraph.O2M, false, category.PostsTable, category.PostsColumn),
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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 Category entity from the query.
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// Returns a *NotFoundError when no Category was found.
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func (cq *CategoryQuery) First(ctx context.Context) (*Category, error) {
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nodes, err := cq.Limit(1).All(setContextOp(ctx, cq.ctx, ent.OpQueryFirst))
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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{category.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 *CategoryQuery) FirstX(ctx context.Context) *Category {
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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 Category ID from the query.
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// Returns a *NotFoundError when no Category ID was found.
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func (cq *CategoryQuery) FirstID(ctx context.Context) (id uuid.UUID, err error) {
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var ids []uuid.UUID
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if ids, err = cq.Limit(1).IDs(setContextOp(ctx, cq.ctx, ent.OpQueryFirstID)); 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{category.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 *CategoryQuery) FirstIDX(ctx context.Context) uuid.UUID {
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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 Category entity found by the query, ensuring it only returns one.
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// Returns a *NotSingularError when more than one Category entity is found.
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// Returns a *NotFoundError when no Category entities are found.
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func (cq *CategoryQuery) Only(ctx context.Context) (*Category, error) {
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nodes, err := cq.Limit(2).All(setContextOp(ctx, cq.ctx, ent.OpQueryOnly))
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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{category.Label}
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default:
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return nil, &NotSingularError{category.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 *CategoryQuery) OnlyX(ctx context.Context) *Category {
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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 Category ID in the query.
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// Returns a *NotSingularError when more than one Category ID is found.
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// Returns a *NotFoundError when no entities are found.
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func (cq *CategoryQuery) OnlyID(ctx context.Context) (id uuid.UUID, err error) {
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var ids []uuid.UUID
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if ids, err = cq.Limit(2).IDs(setContextOp(ctx, cq.ctx, ent.OpQueryOnlyID)); 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{category.Label}
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default:
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err = &NotSingularError{category.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 *CategoryQuery) OnlyIDX(ctx context.Context) uuid.UUID {
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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 Categories.
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func (cq *CategoryQuery) All(ctx context.Context) ([]*Category, error) {
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ctx = setContextOp(ctx, cq.ctx, ent.OpQueryAll)
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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[[]*Category, *CategoryQuery]()
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return withInterceptors[[]*Category](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 *CategoryQuery) AllX(ctx context.Context) []*Category {
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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 Category IDs.
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func (cq *CategoryQuery) IDs(ctx context.Context) (ids []uuid.UUID, 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, ent.OpQueryIDs)
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if err = cq.Select(category.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 *CategoryQuery) IDsX(ctx context.Context) []uuid.UUID {
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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 *CategoryQuery) Count(ctx context.Context) (int, error) {
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ctx = setContextOp(ctx, cq.ctx, ent.OpQueryCount)
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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[*CategoryQuery](), 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 *CategoryQuery) 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 *CategoryQuery) Exist(ctx context.Context) (bool, error) {
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ctx = setContextOp(ctx, cq.ctx, ent.OpQueryExist)
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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 *CategoryQuery) 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 CategoryQuery 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 *CategoryQuery) Clone() *CategoryQuery {
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if cq == nil {
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return nil
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}
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return &CategoryQuery{
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config: cq.config,
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ctx: cq.ctx.Clone(),
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order: append([]category.OrderOption{}, cq.order...),
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inters: append([]Interceptor{}, cq.inters...),
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predicates: append([]predicate.Category{}, cq.predicates...),
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withPosts: cq.withPosts.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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// WithPosts tells the query-builder to eager-load the nodes that are connected to
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// the "posts" edge. The optional arguments are used to configure the query builder of the edge.
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func (cq *CategoryQuery) WithPosts(opts ...func(*PostQuery)) *CategoryQuery {
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query := (&PostClient{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.withPosts = 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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// CreatedAt time.Time `json:"created_at,omitempty"`
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// Count int `json:"count,omitempty"`
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// }
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//
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// client.Category.Query().
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// GroupBy(category.FieldCreatedAt).
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// Aggregate(ent.Count()).
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// Scan(ctx, &v)
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func (cq *CategoryQuery) GroupBy(field string, fields ...string) *CategoryGroupBy {
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cq.ctx.Fields = append([]string{field}, fields...)
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grbuild := &CategoryGroupBy{build: cq}
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grbuild.flds = &cq.ctx.Fields
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grbuild.label = category.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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// CreatedAt time.Time `json:"created_at,omitempty"`
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// }
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//
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// client.Category.Query().
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// Select(category.FieldCreatedAt).
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// Scan(ctx, &v)
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func (cq *CategoryQuery) Select(fields ...string) *CategorySelect {
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cq.ctx.Fields = append(cq.ctx.Fields, fields...)
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sbuild := &CategorySelect{CategoryQuery: cq}
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sbuild.label = category.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 CategorySelect configured with the given aggregations.
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func (cq *CategoryQuery) Aggregate(fns ...AggregateFunc) *CategorySelect {
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return cq.Select().Aggregate(fns...)
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}
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func (cq *CategoryQuery) 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 !category.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 *CategoryQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Category, error) {
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var (
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nodes = []*Category{}
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_spec = cq.querySpec()
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loadedTypes = [1]bool{
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cq.withPosts != 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 (*Category).scanValues(nil, columns)
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}
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_spec.Assign = func(columns []string, values []any) error {
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node := &Category{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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if len(cq.modifiers) > 0 {
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_spec.Modifiers = cq.modifiers
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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.withPosts; query != nil {
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if err := cq.loadPosts(ctx, query, nodes,
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func(n *Category) { n.Edges.Posts = []*Post{} },
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func(n *Category, e *Post) { n.Edges.Posts = append(n.Edges.Posts, e) }); err != nil {
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return nil, err
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}
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}
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for name, query := range cq.withNamedPosts {
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if err := cq.loadPosts(ctx, query, nodes,
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func(n *Category) { n.appendNamedPosts(name) },
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func(n *Category, e *Post) { n.appendNamedPosts(name, e) }); err != nil {
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return nil, err
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}
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}
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for i := range cq.loadTotal {
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if err := cq.loadTotal[i](ctx, nodes); 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 *CategoryQuery) loadPosts(ctx context.Context, query *PostQuery, nodes []*Category, init func(*Category), assign func(*Category, *Post)) error {
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fks := make([]driver.Value, 0, len(nodes))
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nodeids := make(map[uuid.UUID]*Category)
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for i := range nodes {
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fks = append(fks, nodes[i].ID)
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nodeids[nodes[i].ID] = nodes[i]
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if init != nil {
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init(nodes[i])
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}
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}
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query.withFKs = true
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query.Where(predicate.Post(func(s *sql.Selector) {
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s.Where(sql.InValues(s.C(category.PostsColumn), fks...))
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}))
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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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fk := n.category_posts
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if fk == nil {
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return fmt.Errorf(`foreign-key "category_posts" is nil for node %v`, n.ID)
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}
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node, ok := nodeids[*fk]
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if !ok {
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return fmt.Errorf(`unexpected referenced foreign-key "category_posts" returned %v for node %v`, *fk, n.ID)
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}
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assign(node, n)
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}
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return nil
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}
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func (cq *CategoryQuery) sqlCount(ctx context.Context) (int, error) {
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_spec := cq.querySpec()
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if len(cq.modifiers) > 0 {
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_spec.Modifiers = cq.modifiers
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}
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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 *CategoryQuery) querySpec() *sqlgraph.QuerySpec {
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_spec := sqlgraph.NewQuerySpec(category.Table, category.Columns, sqlgraph.NewFieldSpec(category.FieldID, field.TypeUUID))
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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
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} else if cq.path != nil {
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_spec.Unique = true
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}
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if fields := cq.ctx.Fields; len(fields) > 0 {
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_spec.Node.Columns = make([]string, 0, len(fields))
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_spec.Node.Columns = append(_spec.Node.Columns, category.FieldID)
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for i := range fields {
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if fields[i] != category.FieldID {
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_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
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}
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}
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}
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if ps := cq.predicates; len(ps) > 0 {
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_spec.Predicate = func(selector *sql.Selector) {
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for i := range ps {
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ps[i](selector)
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}
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}
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}
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if limit := cq.ctx.Limit; limit != nil {
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_spec.Limit = *limit
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}
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if offset := cq.ctx.Offset; offset != nil {
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_spec.Offset = *offset
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}
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if ps := cq.order; len(ps) > 0 {
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_spec.Order = func(selector *sql.Selector) {
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for i := range ps {
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ps[i](selector)
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}
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|
}
|
|
}
|
|
return _spec
|
|
}
|
|
|
|
func (cq *CategoryQuery) sqlQuery(ctx context.Context) *sql.Selector {
|
|
builder := sql.Dialect(cq.driver.Dialect())
|
|
t1 := builder.Table(category.Table)
|
|
columns := cq.ctx.Fields
|
|
if len(columns) == 0 {
|
|
columns = category.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
|
|
}
|
|
|
|
// WithNamedPosts tells the query-builder to eager-load the nodes that are connected to the "posts"
|
|
// edge with the given name. The optional arguments are used to configure the query builder of the edge.
|
|
func (cq *CategoryQuery) WithNamedPosts(name string, opts ...func(*PostQuery)) *CategoryQuery {
|
|
query := (&PostClient{config: cq.config}).Query()
|
|
for _, opt := range opts {
|
|
opt(query)
|
|
}
|
|
if cq.withNamedPosts == nil {
|
|
cq.withNamedPosts = make(map[string]*PostQuery)
|
|
}
|
|
cq.withNamedPosts[name] = query
|
|
return cq
|
|
}
|
|
|
|
// CategoryGroupBy is the group-by builder for Category entities.
|
|
type CategoryGroupBy struct {
|
|
selector
|
|
build *CategoryQuery
|
|
}
|
|
|
|
// Aggregate adds the given aggregation functions to the group-by query.
|
|
func (cgb *CategoryGroupBy) Aggregate(fns ...AggregateFunc) *CategoryGroupBy {
|
|
cgb.fns = append(cgb.fns, fns...)
|
|
return cgb
|
|
}
|
|
|
|
// Scan applies the selector query and scans the result into the given value.
|
|
func (cgb *CategoryGroupBy) Scan(ctx context.Context, v any) error {
|
|
ctx = setContextOp(ctx, cgb.build.ctx, ent.OpQueryGroupBy)
|
|
if err := cgb.build.prepareQuery(ctx); err != nil {
|
|
return err
|
|
}
|
|
return scanWithInterceptors[*CategoryQuery, *CategoryGroupBy](ctx, cgb.build, cgb, cgb.build.inters, v)
|
|
}
|
|
|
|
func (cgb *CategoryGroupBy) sqlScan(ctx context.Context, root *CategoryQuery, 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)
|
|
}
|
|
|
|
// CategorySelect is the builder for selecting fields of Category entities.
|
|
type CategorySelect struct {
|
|
*CategoryQuery
|
|
selector
|
|
}
|
|
|
|
// Aggregate adds the given aggregation functions to the selector query.
|
|
func (cs *CategorySelect) Aggregate(fns ...AggregateFunc) *CategorySelect {
|
|
cs.fns = append(cs.fns, fns...)
|
|
return cs
|
|
}
|
|
|
|
// Scan applies the selector query and scans the result into the given value.
|
|
func (cs *CategorySelect) Scan(ctx context.Context, v any) error {
|
|
ctx = setContextOp(ctx, cs.ctx, ent.OpQuerySelect)
|
|
if err := cs.prepareQuery(ctx); err != nil {
|
|
return err
|
|
}
|
|
return scanWithInterceptors[*CategoryQuery, *CategorySelect](ctx, cs.CategoryQuery, cs, cs.inters, v)
|
|
}
|
|
|
|
func (cs *CategorySelect) sqlScan(ctx context.Context, root *CategoryQuery, 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)
|
|
}
|