category_query.go•25.4 kB
// Code generated by ent, DO NOT EDIT.
package ent
import (
"context"
"database/sql/driver"
"fmt"
"math"
"entgo.io/ent"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/schema/field"
"github.com/Southclaws/storyden/internal/ent/asset"
"github.com/Southclaws/storyden/internal/ent/category"
"github.com/Southclaws/storyden/internal/ent/post"
"github.com/Southclaws/storyden/internal/ent/predicate"
"github.com/rs/xid"
)
// CategoryQuery is the builder for querying Category entities.
type CategoryQuery struct {
config
ctx *QueryContext
order []category.OrderOption
inters []Interceptor
predicates []predicate.Category
withPosts *PostQuery
withParent *CategoryQuery
withChildren *CategoryQuery
withCoverImage *AssetQuery
modifiers []func(*sql.Selector)
// intermediate query (i.e. traversal path).
sql *sql.Selector
path func(context.Context) (*sql.Selector, error)
}
// Where adds a new predicate for the CategoryQuery builder.
func (_q *CategoryQuery) Where(ps ...predicate.Category) *CategoryQuery {
_q.predicates = append(_q.predicates, ps...)
return _q
}
// Limit the number of records to be returned by this query.
func (_q *CategoryQuery) Limit(limit int) *CategoryQuery {
_q.ctx.Limit = &limit
return _q
}
// Offset to start from.
func (_q *CategoryQuery) Offset(offset int) *CategoryQuery {
_q.ctx.Offset = &offset
return _q
}
// Unique configures the query builder to filter duplicate records on query.
// By default, unique is set to true, and can be disabled using this method.
func (_q *CategoryQuery) Unique(unique bool) *CategoryQuery {
_q.ctx.Unique = &unique
return _q
}
// Order specifies how the records should be ordered.
func (_q *CategoryQuery) Order(o ...category.OrderOption) *CategoryQuery {
_q.order = append(_q.order, o...)
return _q
}
// QueryPosts chains the current query on the "posts" edge.
func (_q *CategoryQuery) QueryPosts() *PostQuery {
query := (&PostClient{config: _q.config}).Query()
query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
if err := _q.prepareQuery(ctx); err != nil {
return nil, err
}
selector := _q.sqlQuery(ctx)
if err := selector.Err(); err != nil {
return nil, err
}
step := sqlgraph.NewStep(
sqlgraph.From(category.Table, category.FieldID, selector),
sqlgraph.To(post.Table, post.FieldID),
sqlgraph.Edge(sqlgraph.O2M, false, category.PostsTable, category.PostsColumn),
)
fromU = sqlgraph.SetNeighbors(_q.driver.Dialect(), step)
return fromU, nil
}
return query
}
// QueryParent chains the current query on the "parent" edge.
func (_q *CategoryQuery) QueryParent() *CategoryQuery {
query := (&CategoryClient{config: _q.config}).Query()
query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
if err := _q.prepareQuery(ctx); err != nil {
return nil, err
}
selector := _q.sqlQuery(ctx)
if err := selector.Err(); err != nil {
return nil, err
}
step := sqlgraph.NewStep(
sqlgraph.From(category.Table, category.FieldID, selector),
sqlgraph.To(category.Table, category.FieldID),
sqlgraph.Edge(sqlgraph.M2O, true, category.ParentTable, category.ParentColumn),
)
fromU = sqlgraph.SetNeighbors(_q.driver.Dialect(), step)
return fromU, nil
}
return query
}
// QueryChildren chains the current query on the "children" edge.
func (_q *CategoryQuery) QueryChildren() *CategoryQuery {
query := (&CategoryClient{config: _q.config}).Query()
query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
if err := _q.prepareQuery(ctx); err != nil {
return nil, err
}
selector := _q.sqlQuery(ctx)
if err := selector.Err(); err != nil {
return nil, err
}
step := sqlgraph.NewStep(
sqlgraph.From(category.Table, category.FieldID, selector),
sqlgraph.To(category.Table, category.FieldID),
sqlgraph.Edge(sqlgraph.O2M, false, category.ChildrenTable, category.ChildrenColumn),
)
fromU = sqlgraph.SetNeighbors(_q.driver.Dialect(), step)
return fromU, nil
}
return query
}
// QueryCoverImage chains the current query on the "cover_image" edge.
func (_q *CategoryQuery) QueryCoverImage() *AssetQuery {
query := (&AssetClient{config: _q.config}).Query()
query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
if err := _q.prepareQuery(ctx); err != nil {
return nil, err
}
selector := _q.sqlQuery(ctx)
if err := selector.Err(); err != nil {
return nil, err
}
step := sqlgraph.NewStep(
sqlgraph.From(category.Table, category.FieldID, selector),
sqlgraph.To(asset.Table, asset.FieldID),
sqlgraph.Edge(sqlgraph.M2O, false, category.CoverImageTable, category.CoverImageColumn),
)
fromU = sqlgraph.SetNeighbors(_q.driver.Dialect(), step)
return fromU, nil
}
return query
}
// First returns the first Category entity from the query.
// Returns a *NotFoundError when no Category was found.
func (_q *CategoryQuery) First(ctx context.Context) (*Category, error) {
nodes, err := _q.Limit(1).All(setContextOp(ctx, _q.ctx, ent.OpQueryFirst))
if err != nil {
return nil, err
}
if len(nodes) == 0 {
return nil, &NotFoundError{category.Label}
}
return nodes[0], nil
}
// FirstX is like First, but panics if an error occurs.
func (_q *CategoryQuery) FirstX(ctx context.Context) *Category {
node, err := _q.First(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return node
}
// FirstID returns the first Category ID from the query.
// Returns a *NotFoundError when no Category ID was found.
func (_q *CategoryQuery) FirstID(ctx context.Context) (id xid.ID, err error) {
var ids []xid.ID
if ids, err = _q.Limit(1).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryFirstID)); err != nil {
return
}
if len(ids) == 0 {
err = &NotFoundError{category.Label}
return
}
return ids[0], nil
}
// FirstIDX is like FirstID, but panics if an error occurs.
func (_q *CategoryQuery) FirstIDX(ctx context.Context) xid.ID {
id, err := _q.FirstID(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return id
}
// Only returns a single Category entity found by the query, ensuring it only returns one.
// Returns a *NotSingularError when more than one Category entity is found.
// Returns a *NotFoundError when no Category entities are found.
func (_q *CategoryQuery) Only(ctx context.Context) (*Category, error) {
nodes, err := _q.Limit(2).All(setContextOp(ctx, _q.ctx, ent.OpQueryOnly))
if err != nil {
return nil, err
}
switch len(nodes) {
case 1:
return nodes[0], nil
case 0:
return nil, &NotFoundError{category.Label}
default:
return nil, &NotSingularError{category.Label}
}
}
// OnlyX is like Only, but panics if an error occurs.
func (_q *CategoryQuery) OnlyX(ctx context.Context) *Category {
node, err := _q.Only(ctx)
if err != nil {
panic(err)
}
return node
}
// OnlyID is like Only, but returns the only Category ID in the query.
// Returns a *NotSingularError when more than one Category ID is found.
// Returns a *NotFoundError when no entities are found.
func (_q *CategoryQuery) OnlyID(ctx context.Context) (id xid.ID, err error) {
var ids []xid.ID
if ids, err = _q.Limit(2).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryOnlyID)); err != nil {
return
}
switch len(ids) {
case 1:
id = ids[0]
case 0:
err = &NotFoundError{category.Label}
default:
err = &NotSingularError{category.Label}
}
return
}
// OnlyIDX is like OnlyID, but panics if an error occurs.
func (_q *CategoryQuery) OnlyIDX(ctx context.Context) xid.ID {
id, err := _q.OnlyID(ctx)
if err != nil {
panic(err)
}
return id
}
// All executes the query and returns a list of Categories.
func (_q *CategoryQuery) All(ctx context.Context) ([]*Category, error) {
ctx = setContextOp(ctx, _q.ctx, ent.OpQueryAll)
if err := _q.prepareQuery(ctx); err != nil {
return nil, err
}
qr := querierAll[[]*Category, *CategoryQuery]()
return withInterceptors[[]*Category](ctx, _q, qr, _q.inters)
}
// AllX is like All, but panics if an error occurs.
func (_q *CategoryQuery) AllX(ctx context.Context) []*Category {
nodes, err := _q.All(ctx)
if err != nil {
panic(err)
}
return nodes
}
// IDs executes the query and returns a list of Category IDs.
func (_q *CategoryQuery) IDs(ctx context.Context) (ids []xid.ID, err error) {
if _q.ctx.Unique == nil && _q.path != nil {
_q.Unique(true)
}
ctx = setContextOp(ctx, _q.ctx, ent.OpQueryIDs)
if err = _q.Select(category.FieldID).Scan(ctx, &ids); err != nil {
return nil, err
}
return ids, nil
}
// IDsX is like IDs, but panics if an error occurs.
func (_q *CategoryQuery) IDsX(ctx context.Context) []xid.ID {
ids, err := _q.IDs(ctx)
if err != nil {
panic(err)
}
return ids
}
// Count returns the count of the given query.
func (_q *CategoryQuery) Count(ctx context.Context) (int, error) {
ctx = setContextOp(ctx, _q.ctx, ent.OpQueryCount)
if err := _q.prepareQuery(ctx); err != nil {
return 0, err
}
return withInterceptors[int](ctx, _q, querierCount[*CategoryQuery](), _q.inters)
}
// CountX is like Count, but panics if an error occurs.
func (_q *CategoryQuery) CountX(ctx context.Context) int {
count, err := _q.Count(ctx)
if err != nil {
panic(err)
}
return count
}
// Exist returns true if the query has elements in the graph.
func (_q *CategoryQuery) Exist(ctx context.Context) (bool, error) {
ctx = setContextOp(ctx, _q.ctx, ent.OpQueryExist)
switch _, err := _q.FirstID(ctx); {
case IsNotFound(err):
return false, nil
case err != nil:
return false, fmt.Errorf("ent: check existence: %w", err)
default:
return true, nil
}
}
// ExistX is like Exist, but panics if an error occurs.
func (_q *CategoryQuery) ExistX(ctx context.Context) bool {
exist, err := _q.Exist(ctx)
if err != nil {
panic(err)
}
return exist
}
// Clone returns a duplicate of the CategoryQuery builder, including all associated steps. It can be
// used to prepare common query builders and use them differently after the clone is made.
func (_q *CategoryQuery) Clone() *CategoryQuery {
if _q == nil {
return nil
}
return &CategoryQuery{
config: _q.config,
ctx: _q.ctx.Clone(),
order: append([]category.OrderOption{}, _q.order...),
inters: append([]Interceptor{}, _q.inters...),
predicates: append([]predicate.Category{}, _q.predicates...),
withPosts: _q.withPosts.Clone(),
withParent: _q.withParent.Clone(),
withChildren: _q.withChildren.Clone(),
withCoverImage: _q.withCoverImage.Clone(),
// clone intermediate query.
sql: _q.sql.Clone(),
path: _q.path,
modifiers: append([]func(*sql.Selector){}, _q.modifiers...),
}
}
// WithPosts tells the query-builder to eager-load the nodes that are connected to
// the "posts" edge. The optional arguments are used to configure the query builder of the edge.
func (_q *CategoryQuery) WithPosts(opts ...func(*PostQuery)) *CategoryQuery {
query := (&PostClient{config: _q.config}).Query()
for _, opt := range opts {
opt(query)
}
_q.withPosts = query
return _q
}
// WithParent tells the query-builder to eager-load the nodes that are connected to
// the "parent" edge. The optional arguments are used to configure the query builder of the edge.
func (_q *CategoryQuery) WithParent(opts ...func(*CategoryQuery)) *CategoryQuery {
query := (&CategoryClient{config: _q.config}).Query()
for _, opt := range opts {
opt(query)
}
_q.withParent = query
return _q
}
// WithChildren tells the query-builder to eager-load the nodes that are connected to
// the "children" edge. The optional arguments are used to configure the query builder of the edge.
func (_q *CategoryQuery) WithChildren(opts ...func(*CategoryQuery)) *CategoryQuery {
query := (&CategoryClient{config: _q.config}).Query()
for _, opt := range opts {
opt(query)
}
_q.withChildren = query
return _q
}
// WithCoverImage tells the query-builder to eager-load the nodes that are connected to
// the "cover_image" edge. The optional arguments are used to configure the query builder of the edge.
func (_q *CategoryQuery) WithCoverImage(opts ...func(*AssetQuery)) *CategoryQuery {
query := (&AssetClient{config: _q.config}).Query()
for _, opt := range opts {
opt(query)
}
_q.withCoverImage = query
return _q
}
// GroupBy is used to group vertices by one or more fields/columns.
// It is often used with aggregate functions, like: count, max, mean, min, sum.
//
// Example:
//
// var v []struct {
// CreatedAt time.Time `json:"created_at,omitempty"`
// Count int `json:"count,omitempty"`
// }
//
// client.Category.Query().
// GroupBy(category.FieldCreatedAt).
// Aggregate(ent.Count()).
// Scan(ctx, &v)
func (_q *CategoryQuery) GroupBy(field string, fields ...string) *CategoryGroupBy {
_q.ctx.Fields = append([]string{field}, fields...)
grbuild := &CategoryGroupBy{build: _q}
grbuild.flds = &_q.ctx.Fields
grbuild.label = category.Label
grbuild.scan = grbuild.Scan
return grbuild
}
// Select allows the selection one or more fields/columns for the given query,
// instead of selecting all fields in the entity.
//
// Example:
//
// var v []struct {
// CreatedAt time.Time `json:"created_at,omitempty"`
// }
//
// client.Category.Query().
// Select(category.FieldCreatedAt).
// Scan(ctx, &v)
func (_q *CategoryQuery) Select(fields ...string) *CategorySelect {
_q.ctx.Fields = append(_q.ctx.Fields, fields...)
sbuild := &CategorySelect{CategoryQuery: _q}
sbuild.label = category.Label
sbuild.flds, sbuild.scan = &_q.ctx.Fields, sbuild.Scan
return sbuild
}
// Aggregate returns a CategorySelect configured with the given aggregations.
func (_q *CategoryQuery) Aggregate(fns ...AggregateFunc) *CategorySelect {
return _q.Select().Aggregate(fns...)
}
func (_q *CategoryQuery) prepareQuery(ctx context.Context) error {
for _, inter := range _q.inters {
if inter == nil {
return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
}
if trv, ok := inter.(Traverser); ok {
if err := trv.Traverse(ctx, _q); err != nil {
return err
}
}
}
for _, f := range _q.ctx.Fields {
if !category.ValidColumn(f) {
return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
}
}
if _q.path != nil {
prev, err := _q.path(ctx)
if err != nil {
return err
}
_q.sql = prev
}
return nil
}
func (_q *CategoryQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Category, error) {
var (
nodes = []*Category{}
_spec = _q.querySpec()
loadedTypes = [4]bool{
_q.withPosts != nil,
_q.withParent != nil,
_q.withChildren != nil,
_q.withCoverImage != nil,
}
)
_spec.ScanValues = func(columns []string) ([]any, error) {
return (*Category).scanValues(nil, columns)
}
_spec.Assign = func(columns []string, values []any) error {
node := &Category{config: _q.config}
nodes = append(nodes, node)
node.Edges.loadedTypes = loadedTypes
return node.assignValues(columns, values)
}
if len(_q.modifiers) > 0 {
_spec.Modifiers = _q.modifiers
}
for i := range hooks {
hooks[i](ctx, _spec)
}
if err := sqlgraph.QueryNodes(ctx, _q.driver, _spec); err != nil {
return nil, err
}
if len(nodes) == 0 {
return nodes, nil
}
if query := _q.withPosts; query != nil {
if err := _q.loadPosts(ctx, query, nodes,
func(n *Category) { n.Edges.Posts = []*Post{} },
func(n *Category, e *Post) { n.Edges.Posts = append(n.Edges.Posts, e) }); err != nil {
return nil, err
}
}
if query := _q.withParent; query != nil {
if err := _q.loadParent(ctx, query, nodes, nil,
func(n *Category, e *Category) { n.Edges.Parent = e }); err != nil {
return nil, err
}
}
if query := _q.withChildren; query != nil {
if err := _q.loadChildren(ctx, query, nodes,
func(n *Category) { n.Edges.Children = []*Category{} },
func(n *Category, e *Category) { n.Edges.Children = append(n.Edges.Children, e) }); err != nil {
return nil, err
}
}
if query := _q.withCoverImage; query != nil {
if err := _q.loadCoverImage(ctx, query, nodes, nil,
func(n *Category, e *Asset) { n.Edges.CoverImage = e }); err != nil {
return nil, err
}
}
return nodes, nil
}
func (_q *CategoryQuery) loadPosts(ctx context.Context, query *PostQuery, nodes []*Category, init func(*Category), assign func(*Category, *Post)) error {
fks := make([]driver.Value, 0, len(nodes))
nodeids := make(map[xid.ID]*Category)
for i := range nodes {
fks = append(fks, nodes[i].ID)
nodeids[nodes[i].ID] = nodes[i]
if init != nil {
init(nodes[i])
}
}
if len(query.ctx.Fields) > 0 {
query.ctx.AppendFieldOnce(post.FieldCategoryID)
}
query.Where(predicate.Post(func(s *sql.Selector) {
s.Where(sql.InValues(s.C(category.PostsColumn), fks...))
}))
neighbors, err := query.All(ctx)
if err != nil {
return err
}
for _, n := range neighbors {
fk := n.CategoryID
node, ok := nodeids[fk]
if !ok {
return fmt.Errorf(`unexpected referenced foreign-key "category_id" returned %v for node %v`, fk, n.ID)
}
assign(node, n)
}
return nil
}
func (_q *CategoryQuery) loadParent(ctx context.Context, query *CategoryQuery, nodes []*Category, init func(*Category), assign func(*Category, *Category)) error {
ids := make([]xid.ID, 0, len(nodes))
nodeids := make(map[xid.ID][]*Category)
for i := range nodes {
fk := nodes[i].ParentCategoryID
if _, ok := nodeids[fk]; !ok {
ids = append(ids, fk)
}
nodeids[fk] = append(nodeids[fk], nodes[i])
}
if len(ids) == 0 {
return nil
}
query.Where(category.IDIn(ids...))
neighbors, err := query.All(ctx)
if err != nil {
return err
}
for _, n := range neighbors {
nodes, ok := nodeids[n.ID]
if !ok {
return fmt.Errorf(`unexpected foreign-key "parent_category_id" returned %v`, n.ID)
}
for i := range nodes {
assign(nodes[i], n)
}
}
return nil
}
func (_q *CategoryQuery) loadChildren(ctx context.Context, query *CategoryQuery, nodes []*Category, init func(*Category), assign func(*Category, *Category)) error {
fks := make([]driver.Value, 0, len(nodes))
nodeids := make(map[xid.ID]*Category)
for i := range nodes {
fks = append(fks, nodes[i].ID)
nodeids[nodes[i].ID] = nodes[i]
if init != nil {
init(nodes[i])
}
}
if len(query.ctx.Fields) > 0 {
query.ctx.AppendFieldOnce(category.FieldParentCategoryID)
}
query.Where(predicate.Category(func(s *sql.Selector) {
s.Where(sql.InValues(s.C(category.ChildrenColumn), fks...))
}))
neighbors, err := query.All(ctx)
if err != nil {
return err
}
for _, n := range neighbors {
fk := n.ParentCategoryID
node, ok := nodeids[fk]
if !ok {
return fmt.Errorf(`unexpected referenced foreign-key "parent_category_id" returned %v for node %v`, fk, n.ID)
}
assign(node, n)
}
return nil
}
func (_q *CategoryQuery) loadCoverImage(ctx context.Context, query *AssetQuery, nodes []*Category, init func(*Category), assign func(*Category, *Asset)) error {
ids := make([]xid.ID, 0, len(nodes))
nodeids := make(map[xid.ID][]*Category)
for i := range nodes {
if nodes[i].CoverImageAssetID == nil {
continue
}
fk := *nodes[i].CoverImageAssetID
if _, ok := nodeids[fk]; !ok {
ids = append(ids, fk)
}
nodeids[fk] = append(nodeids[fk], nodes[i])
}
if len(ids) == 0 {
return nil
}
query.Where(asset.IDIn(ids...))
neighbors, err := query.All(ctx)
if err != nil {
return err
}
for _, n := range neighbors {
nodes, ok := nodeids[n.ID]
if !ok {
return fmt.Errorf(`unexpected foreign-key "cover_image_asset_id" returned %v`, n.ID)
}
for i := range nodes {
assign(nodes[i], n)
}
}
return nil
}
func (_q *CategoryQuery) sqlCount(ctx context.Context) (int, error) {
_spec := _q.querySpec()
if len(_q.modifiers) > 0 {
_spec.Modifiers = _q.modifiers
}
_spec.Node.Columns = _q.ctx.Fields
if len(_q.ctx.Fields) > 0 {
_spec.Unique = _q.ctx.Unique != nil && *_q.ctx.Unique
}
return sqlgraph.CountNodes(ctx, _q.driver, _spec)
}
func (_q *CategoryQuery) querySpec() *sqlgraph.QuerySpec {
_spec := sqlgraph.NewQuerySpec(category.Table, category.Columns, sqlgraph.NewFieldSpec(category.FieldID, field.TypeString))
_spec.From = _q.sql
if unique := _q.ctx.Unique; unique != nil {
_spec.Unique = *unique
} else if _q.path != nil {
_spec.Unique = true
}
if fields := _q.ctx.Fields; len(fields) > 0 {
_spec.Node.Columns = make([]string, 0, len(fields))
_spec.Node.Columns = append(_spec.Node.Columns, category.FieldID)
for i := range fields {
if fields[i] != category.FieldID {
_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
}
}
if _q.withParent != nil {
_spec.Node.AddColumnOnce(category.FieldParentCategoryID)
}
if _q.withCoverImage != nil {
_spec.Node.AddColumnOnce(category.FieldCoverImageAssetID)
}
}
if ps := _q.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
if limit := _q.ctx.Limit; limit != nil {
_spec.Limit = *limit
}
if offset := _q.ctx.Offset; offset != nil {
_spec.Offset = *offset
}
if ps := _q.order; len(ps) > 0 {
_spec.Order = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
return _spec
}
func (_q *CategoryQuery) sqlQuery(ctx context.Context) *sql.Selector {
builder := sql.Dialect(_q.driver.Dialect())
t1 := builder.Table(category.Table)
columns := _q.ctx.Fields
if len(columns) == 0 {
columns = category.Columns
}
selector := builder.Select(t1.Columns(columns...)...).From(t1)
if _q.sql != nil {
selector = _q.sql
selector.Select(selector.Columns(columns...)...)
}
if _q.ctx.Unique != nil && *_q.ctx.Unique {
selector.Distinct()
}
for _, m := range _q.modifiers {
m(selector)
}
for _, p := range _q.predicates {
p(selector)
}
for _, p := range _q.order {
p(selector)
}
if offset := _q.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 := _q.ctx.Limit; limit != nil {
selector.Limit(*limit)
}
return selector
}
// Modify adds a query modifier for attaching custom logic to queries.
func (_q *CategoryQuery) Modify(modifiers ...func(s *sql.Selector)) *CategorySelect {
_q.modifiers = append(_q.modifiers, modifiers...)
return _q.Select()
}
// 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 (_g *CategoryGroupBy) Aggregate(fns ...AggregateFunc) *CategoryGroupBy {
_g.fns = append(_g.fns, fns...)
return _g
}
// Scan applies the selector query and scans the result into the given value.
func (_g *CategoryGroupBy) Scan(ctx context.Context, v any) error {
ctx = setContextOp(ctx, _g.build.ctx, ent.OpQueryGroupBy)
if err := _g.build.prepareQuery(ctx); err != nil {
return err
}
return scanWithInterceptors[*CategoryQuery, *CategoryGroupBy](ctx, _g.build, _g, _g.build.inters, v)
}
func (_g *CategoryGroupBy) sqlScan(ctx context.Context, root *CategoryQuery, v any) error {
selector := root.sqlQuery(ctx).Select()
aggregation := make([]string, 0, len(_g.fns))
for _, fn := range _g.fns {
aggregation = append(aggregation, fn(selector))
}
if len(selector.SelectedColumns()) == 0 {
columns := make([]string, 0, len(*_g.flds)+len(_g.fns))
for _, f := range *_g.flds {
columns = append(columns, selector.C(f))
}
columns = append(columns, aggregation...)
selector.Select(columns...)
}
selector.GroupBy(selector.Columns(*_g.flds...)...)
if err := selector.Err(); err != nil {
return err
}
rows := &sql.Rows{}
query, args := selector.Query()
if err := _g.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 (_s *CategorySelect) Aggregate(fns ...AggregateFunc) *CategorySelect {
_s.fns = append(_s.fns, fns...)
return _s
}
// Scan applies the selector query and scans the result into the given value.
func (_s *CategorySelect) Scan(ctx context.Context, v any) error {
ctx = setContextOp(ctx, _s.ctx, ent.OpQuerySelect)
if err := _s.prepareQuery(ctx); err != nil {
return err
}
return scanWithInterceptors[*CategoryQuery, *CategorySelect](ctx, _s.CategoryQuery, _s, _s.inters, v)
}
func (_s *CategorySelect) sqlScan(ctx context.Context, root *CategoryQuery, v any) error {
selector := root.sqlQuery(ctx)
aggregation := make([]string, 0, len(_s.fns))
for _, fn := range _s.fns {
aggregation = append(aggregation, fn(selector))
}
switch n := len(*_s.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 := _s.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}
// Modify adds a query modifier for attaching custom logic to queries.
func (_s *CategorySelect) Modify(modifiers ...func(s *sql.Selector)) *CategorySelect {
_s.modifiers = append(_s.modifiers, modifiers...)
return _s
}