// Code generated by ent, DO NOT EDIT. package ent import ( "context" "database/sql/driver" "fmt" "math" "entgo.io/ent/dialect/sql" "entgo.io/ent/dialect/sql/sqlgraph" "entgo.io/ent/schema/field" "git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/predicate" "git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/role" "git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/user" ) // RoleQuery is the builder for querying Role entities. type RoleQuery struct { config ctx *QueryContext order []role.OrderOption inters []Interceptor predicates []predicate.Role withUsers *UserQuery 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 RoleQuery builder. func (rq *RoleQuery) Where(ps ...predicate.Role) *RoleQuery { rq.predicates = append(rq.predicates, ps...) return rq } // Limit the number of records to be returned by this query. func (rq *RoleQuery) Limit(limit int) *RoleQuery { rq.ctx.Limit = &limit return rq } // Offset to start from. func (rq *RoleQuery) Offset(offset int) *RoleQuery { rq.ctx.Offset = &offset return rq } // 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 (rq *RoleQuery) Unique(unique bool) *RoleQuery { rq.ctx.Unique = &unique return rq } // Order specifies how the records should be ordered. func (rq *RoleQuery) Order(o ...role.OrderOption) *RoleQuery { rq.order = append(rq.order, o...) return rq } // QueryUsers chains the current query on the "users" edge. func (rq *RoleQuery) QueryUsers() *UserQuery { query := (&UserClient{config: rq.config}).Query() query.path = func(ctx context.Context) (fromU *sql.Selector, err error) { if err := rq.prepareQuery(ctx); err != nil { return nil, err } selector := rq.sqlQuery(ctx) if err := selector.Err(); err != nil { return nil, err } step := sqlgraph.NewStep( sqlgraph.From(role.Table, role.FieldID, selector), sqlgraph.To(user.Table, user.FieldID), sqlgraph.Edge(sqlgraph.M2M, true, role.UsersTable, role.UsersPrimaryKey...), ) fromU = sqlgraph.SetNeighbors(rq.driver.Dialect(), step) return fromU, nil } return query } // First returns the first Role entity from the query. // Returns a *NotFoundError when no Role was found. func (rq *RoleQuery) First(ctx context.Context) (*Role, error) { nodes, err := rq.Limit(1).All(setContextOp(ctx, rq.ctx, "First")) if err != nil { return nil, err } if len(nodes) == 0 { return nil, &NotFoundError{role.Label} } return nodes[0], nil } // FirstX is like First, but panics if an error occurs. func (rq *RoleQuery) FirstX(ctx context.Context) *Role { node, err := rq.First(ctx) if err != nil && !IsNotFound(err) { panic(err) } return node } // FirstID returns the first Role ID from the query. // Returns a *NotFoundError when no Role ID was found. func (rq *RoleQuery) FirstID(ctx context.Context) (id int64, err error) { var ids []int64 if ids, err = rq.Limit(1).IDs(setContextOp(ctx, rq.ctx, "FirstID")); err != nil { return } if len(ids) == 0 { err = &NotFoundError{role.Label} return } return ids[0], nil } // FirstIDX is like FirstID, but panics if an error occurs. func (rq *RoleQuery) FirstIDX(ctx context.Context) int64 { id, err := rq.FirstID(ctx) if err != nil && !IsNotFound(err) { panic(err) } return id } // Only returns a single Role entity found by the query, ensuring it only returns one. // Returns a *NotSingularError when more than one Role entity is found. // Returns a *NotFoundError when no Role entities are found. func (rq *RoleQuery) Only(ctx context.Context) (*Role, error) { nodes, err := rq.Limit(2).All(setContextOp(ctx, rq.ctx, "Only")) if err != nil { return nil, err } switch len(nodes) { case 1: return nodes[0], nil case 0: return nil, &NotFoundError{role.Label} default: return nil, &NotSingularError{role.Label} } } // OnlyX is like Only, but panics if an error occurs. func (rq *RoleQuery) OnlyX(ctx context.Context) *Role { node, err := rq.Only(ctx) if err != nil { panic(err) } return node } // OnlyID is like Only, but returns the only Role ID in the query. // Returns a *NotSingularError when more than one Role ID is found. // Returns a *NotFoundError when no entities are found. func (rq *RoleQuery) OnlyID(ctx context.Context) (id int64, err error) { var ids []int64 if ids, err = rq.Limit(2).IDs(setContextOp(ctx, rq.ctx, "OnlyID")); err != nil { return } switch len(ids) { case 1: id = ids[0] case 0: err = &NotFoundError{role.Label} default: err = &NotSingularError{role.Label} } return } // OnlyIDX is like OnlyID, but panics if an error occurs. func (rq *RoleQuery) OnlyIDX(ctx context.Context) int64 { id, err := rq.OnlyID(ctx) if err != nil { panic(err) } return id } // All executes the query and returns a list of Roles. func (rq *RoleQuery) All(ctx context.Context) ([]*Role, error) { ctx = setContextOp(ctx, rq.ctx, "All") if err := rq.prepareQuery(ctx); err != nil { return nil, err } qr := querierAll[[]*Role, *RoleQuery]() return withInterceptors[[]*Role](ctx, rq, qr, rq.inters) } // AllX is like All, but panics if an error occurs. func (rq *RoleQuery) AllX(ctx context.Context) []*Role { nodes, err := rq.All(ctx) if err != nil { panic(err) } return nodes } // IDs executes the query and returns a list of Role IDs. func (rq *RoleQuery) IDs(ctx context.Context) (ids []int64, err error) { if rq.ctx.Unique == nil && rq.path != nil { rq.Unique(true) } ctx = setContextOp(ctx, rq.ctx, "IDs") if err = rq.Select(role.FieldID).Scan(ctx, &ids); err != nil { return nil, err } return ids, nil } // IDsX is like IDs, but panics if an error occurs. func (rq *RoleQuery) IDsX(ctx context.Context) []int64 { ids, err := rq.IDs(ctx) if err != nil { panic(err) } return ids } // Count returns the count of the given query. func (rq *RoleQuery) Count(ctx context.Context) (int, error) { ctx = setContextOp(ctx, rq.ctx, "Count") if err := rq.prepareQuery(ctx); err != nil { return 0, err } return withInterceptors[int](ctx, rq, querierCount[*RoleQuery](), rq.inters) } // CountX is like Count, but panics if an error occurs. func (rq *RoleQuery) CountX(ctx context.Context) int { count, err := rq.Count(ctx) if err != nil { panic(err) } return count } // Exist returns true if the query has elements in the graph. func (rq *RoleQuery) Exist(ctx context.Context) (bool, error) { ctx = setContextOp(ctx, rq.ctx, "Exist") switch _, err := rq.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 (rq *RoleQuery) ExistX(ctx context.Context) bool { exist, err := rq.Exist(ctx) if err != nil { panic(err) } return exist } // Clone returns a duplicate of the RoleQuery builder, including all associated steps. It can be // used to prepare common query builders and use them differently after the clone is made. func (rq *RoleQuery) Clone() *RoleQuery { if rq == nil { return nil } return &RoleQuery{ config: rq.config, ctx: rq.ctx.Clone(), order: append([]role.OrderOption{}, rq.order...), inters: append([]Interceptor{}, rq.inters...), predicates: append([]predicate.Role{}, rq.predicates...), withUsers: rq.withUsers.Clone(), // clone intermediate query. sql: rq.sql.Clone(), path: rq.path, } } // WithUsers tells the query-builder to eager-load the nodes that are connected to // the "users" edge. The optional arguments are used to configure the query builder of the edge. func (rq *RoleQuery) WithUsers(opts ...func(*UserQuery)) *RoleQuery { query := (&UserClient{config: rq.config}).Query() for _, opt := range opts { opt(query) } rq.withUsers = query return rq } // 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.Role.Query(). // GroupBy(role.FieldCreatedAt). // Aggregate(ent.Count()). // Scan(ctx, &v) func (rq *RoleQuery) GroupBy(field string, fields ...string) *RoleGroupBy { rq.ctx.Fields = append([]string{field}, fields...) grbuild := &RoleGroupBy{build: rq} grbuild.flds = &rq.ctx.Fields grbuild.label = role.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.Role.Query(). // Select(role.FieldCreatedAt). // Scan(ctx, &v) func (rq *RoleQuery) Select(fields ...string) *RoleSelect { rq.ctx.Fields = append(rq.ctx.Fields, fields...) sbuild := &RoleSelect{RoleQuery: rq} sbuild.label = role.Label sbuild.flds, sbuild.scan = &rq.ctx.Fields, sbuild.Scan return sbuild } // Aggregate returns a RoleSelect configured with the given aggregations. func (rq *RoleQuery) Aggregate(fns ...AggregateFunc) *RoleSelect { return rq.Select().Aggregate(fns...) } func (rq *RoleQuery) prepareQuery(ctx context.Context) error { for _, inter := range rq.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, rq); err != nil { return err } } } for _, f := range rq.ctx.Fields { if !role.ValidColumn(f) { return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)} } } if rq.path != nil { prev, err := rq.path(ctx) if err != nil { return err } rq.sql = prev } return nil } func (rq *RoleQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Role, error) { var ( nodes = []*Role{} _spec = rq.querySpec() loadedTypes = [1]bool{ rq.withUsers != nil, } ) _spec.ScanValues = func(columns []string) ([]any, error) { return (*Role).scanValues(nil, columns) } _spec.Assign = func(columns []string, values []any) error { node := &Role{config: rq.config} nodes = append(nodes, node) node.Edges.loadedTypes = loadedTypes return node.assignValues(columns, values) } if len(rq.modifiers) > 0 { _spec.Modifiers = rq.modifiers } for i := range hooks { hooks[i](ctx, _spec) } if err := sqlgraph.QueryNodes(ctx, rq.driver, _spec); err != nil { return nil, err } if len(nodes) == 0 { return nodes, nil } if query := rq.withUsers; query != nil { if err := rq.loadUsers(ctx, query, nodes, func(n *Role) { n.Edges.Users = []*User{} }, func(n *Role, e *User) { n.Edges.Users = append(n.Edges.Users, e) }); err != nil { return nil, err } } return nodes, nil } func (rq *RoleQuery) loadUsers(ctx context.Context, query *UserQuery, nodes []*Role, init func(*Role), assign func(*Role, *User)) error { edgeIDs := make([]driver.Value, len(nodes)) byID := make(map[int64]*Role) nids := make(map[int64]map[*Role]struct{}) for i, node := range nodes { edgeIDs[i] = node.ID byID[node.ID] = node if init != nil { init(node) } } query.Where(func(s *sql.Selector) { joinT := sql.Table(role.UsersTable) s.Join(joinT).On(s.C(user.FieldID), joinT.C(role.UsersPrimaryKey[0])) s.Where(sql.InValues(joinT.C(role.UsersPrimaryKey[1]), edgeIDs...)) columns := s.SelectedColumns() s.Select(joinT.C(role.UsersPrimaryKey[1])) s.AppendSelect(columns...) s.SetDistinct(false) }) 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 := values[0].(*sql.NullInt64).Int64 inValue := values[1].(*sql.NullInt64).Int64 if nids[inValue] == nil { nids[inValue] = map[*Role]struct{}{byID[outValue]: {}} return assign(columns[1:], values[1:]) } nids[inValue][byID[outValue]] = struct{}{} return nil } }) }) neighbors, err := withInterceptors[[]*User](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 "users" node returned %v`, n.ID) } for kn := range nodes { assign(kn, n) } } return nil } func (rq *RoleQuery) sqlCount(ctx context.Context) (int, error) { _spec := rq.querySpec() if len(rq.modifiers) > 0 { _spec.Modifiers = rq.modifiers } _spec.Node.Columns = rq.ctx.Fields if len(rq.ctx.Fields) > 0 { _spec.Unique = rq.ctx.Unique != nil && *rq.ctx.Unique } return sqlgraph.CountNodes(ctx, rq.driver, _spec) } func (rq *RoleQuery) querySpec() *sqlgraph.QuerySpec { _spec := sqlgraph.NewQuerySpec(role.Table, role.Columns, sqlgraph.NewFieldSpec(role.FieldID, field.TypeInt64)) _spec.From = rq.sql if unique := rq.ctx.Unique; unique != nil { _spec.Unique = *unique } else if rq.path != nil { _spec.Unique = true } if fields := rq.ctx.Fields; len(fields) > 0 { _spec.Node.Columns = make([]string, 0, len(fields)) _spec.Node.Columns = append(_spec.Node.Columns, role.FieldID) for i := range fields { if fields[i] != role.FieldID { _spec.Node.Columns = append(_spec.Node.Columns, fields[i]) } } } if ps := rq.predicates; len(ps) > 0 { _spec.Predicate = func(selector *sql.Selector) { for i := range ps { ps[i](selector) } } } if limit := rq.ctx.Limit; limit != nil { _spec.Limit = *limit } if offset := rq.ctx.Offset; offset != nil { _spec.Offset = *offset } if ps := rq.order; len(ps) > 0 { _spec.Order = func(selector *sql.Selector) { for i := range ps { ps[i](selector) } } } return _spec } func (rq *RoleQuery) sqlQuery(ctx context.Context) *sql.Selector { builder := sql.Dialect(rq.driver.Dialect()) t1 := builder.Table(role.Table) columns := rq.ctx.Fields if len(columns) == 0 { columns = role.Columns } selector := builder.Select(t1.Columns(columns...)...).From(t1) if rq.sql != nil { selector = rq.sql selector.Select(selector.Columns(columns...)...) } if rq.ctx.Unique != nil && *rq.ctx.Unique { selector.Distinct() } for _, m := range rq.modifiers { m(selector) } for _, p := range rq.predicates { p(selector) } for _, p := range rq.order { p(selector) } if offset := rq.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 := rq.ctx.Limit; limit != nil { selector.Limit(*limit) } return selector } // Modify adds a query modifier for attaching custom logic to queries. func (rq *RoleQuery) Modify(modifiers ...func(s *sql.Selector)) *RoleSelect { rq.modifiers = append(rq.modifiers, modifiers...) return rq.Select() } // RoleGroupBy is the group-by builder for Role entities. type RoleGroupBy struct { selector build *RoleQuery } // Aggregate adds the given aggregation functions to the group-by query. func (rgb *RoleGroupBy) Aggregate(fns ...AggregateFunc) *RoleGroupBy { rgb.fns = append(rgb.fns, fns...) return rgb } // Scan applies the selector query and scans the result into the given value. func (rgb *RoleGroupBy) Scan(ctx context.Context, v any) error { ctx = setContextOp(ctx, rgb.build.ctx, "GroupBy") if err := rgb.build.prepareQuery(ctx); err != nil { return err } return scanWithInterceptors[*RoleQuery, *RoleGroupBy](ctx, rgb.build, rgb, rgb.build.inters, v) } func (rgb *RoleGroupBy) sqlScan(ctx context.Context, root *RoleQuery, v any) error { selector := root.sqlQuery(ctx).Select() aggregation := make([]string, 0, len(rgb.fns)) for _, fn := range rgb.fns { aggregation = append(aggregation, fn(selector)) } if len(selector.SelectedColumns()) == 0 { columns := make([]string, 0, len(*rgb.flds)+len(rgb.fns)) for _, f := range *rgb.flds { columns = append(columns, selector.C(f)) } columns = append(columns, aggregation...) selector.Select(columns...) } selector.GroupBy(selector.Columns(*rgb.flds...)...) if err := selector.Err(); err != nil { return err } rows := &sql.Rows{} query, args := selector.Query() if err := rgb.build.driver.Query(ctx, query, args, rows); err != nil { return err } defer rows.Close() return sql.ScanSlice(rows, v) } // RoleSelect is the builder for selecting fields of Role entities. type RoleSelect struct { *RoleQuery selector } // Aggregate adds the given aggregation functions to the selector query. func (rs *RoleSelect) Aggregate(fns ...AggregateFunc) *RoleSelect { rs.fns = append(rs.fns, fns...) return rs } // Scan applies the selector query and scans the result into the given value. func (rs *RoleSelect) Scan(ctx context.Context, v any) error { ctx = setContextOp(ctx, rs.ctx, "Select") if err := rs.prepareQuery(ctx); err != nil { return err } return scanWithInterceptors[*RoleQuery, *RoleSelect](ctx, rs.RoleQuery, rs, rs.inters, v) } func (rs *RoleSelect) sqlScan(ctx context.Context, root *RoleQuery, v any) error { selector := root.sqlQuery(ctx) aggregation := make([]string, 0, len(rs.fns)) for _, fn := range rs.fns { aggregation = append(aggregation, fn(selector)) } switch n := len(*rs.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 := rs.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 (rs *RoleSelect) Modify(modifiers ...func(s *sql.Selector)) *RoleSelect { rs.modifiers = append(rs.modifiers, modifiers...) return rs }