1065 lines
27 KiB
Go
1065 lines
27 KiB
Go
// Code generated by entc, 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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"errors"
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"fmt"
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"math"
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"todo/ent/predicate"
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"todo/ent/todo"
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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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// TodoQuery is the builder for querying Todo entities.
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type TodoQuery struct {
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config
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limit *int
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offset *int
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unique *bool
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order []OrderFunc
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fields []string
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predicates []predicate.Todo
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// eager-loading edges.
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withChildren *TodoQuery
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withParent *TodoQuery
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withFKs bool
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// intermediate query (i.e. traversal path).
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sql *sql.Selector
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path func(context.Context) (*sql.Selector, error)
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}
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// Where adds a new predicate for the TodoQuery builder.
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func (tq *TodoQuery) Where(ps ...predicate.Todo) *TodoQuery {
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tq.predicates = append(tq.predicates, ps...)
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return tq
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}
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// Limit adds a limit step to the query.
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func (tq *TodoQuery) Limit(limit int) *TodoQuery {
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tq.limit = &limit
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return tq
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}
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// Offset adds an offset step to the query.
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func (tq *TodoQuery) Offset(offset int) *TodoQuery {
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tq.offset = &offset
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return tq
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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 (tq *TodoQuery) Unique(unique bool) *TodoQuery {
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tq.unique = &unique
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return tq
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}
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// Order adds an order step to the query.
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func (tq *TodoQuery) Order(o ...OrderFunc) *TodoQuery {
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tq.order = append(tq.order, o...)
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return tq
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}
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// QueryChildren chains the current query on the "children" edge.
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func (tq *TodoQuery) QueryChildren() *TodoQuery {
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query := &TodoQuery{config: tq.config}
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query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
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if err := tq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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selector := tq.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(todo.Table, todo.FieldID, selector),
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sqlgraph.To(todo.Table, todo.FieldID),
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sqlgraph.Edge(sqlgraph.O2M, true, todo.ChildrenTable, todo.ChildrenColumn),
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)
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fromU = sqlgraph.SetNeighbors(tq.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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// QueryParent chains the current query on the "parent" edge.
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func (tq *TodoQuery) QueryParent() *TodoQuery {
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query := &TodoQuery{config: tq.config}
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query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
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if err := tq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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selector := tq.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(todo.Table, todo.FieldID, selector),
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sqlgraph.To(todo.Table, todo.FieldID),
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sqlgraph.Edge(sqlgraph.M2O, false, todo.ParentTable, todo.ParentColumn),
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)
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fromU = sqlgraph.SetNeighbors(tq.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 Todo entity from the query.
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// Returns a *NotFoundError when no Todo was found.
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func (tq *TodoQuery) First(ctx context.Context) (*Todo, error) {
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nodes, err := tq.Limit(1).All(ctx)
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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{todo.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 (tq *TodoQuery) FirstX(ctx context.Context) *Todo {
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node, err := tq.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 Todo ID from the query.
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// Returns a *NotFoundError when no Todo ID was found.
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func (tq *TodoQuery) FirstID(ctx context.Context) (id int, err error) {
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var ids []int
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if ids, err = tq.Limit(1).IDs(ctx); 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{todo.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 (tq *TodoQuery) FirstIDX(ctx context.Context) int {
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id, err := tq.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 Todo entity found by the query, ensuring it only returns one.
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// Returns a *NotSingularError when more than one Todo entity is found.
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// Returns a *NotFoundError when no Todo entities are found.
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func (tq *TodoQuery) Only(ctx context.Context) (*Todo, error) {
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nodes, err := tq.Limit(2).All(ctx)
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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{todo.Label}
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default:
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return nil, &NotSingularError{todo.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 (tq *TodoQuery) OnlyX(ctx context.Context) *Todo {
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node, err := tq.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 Todo ID in the query.
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// Returns a *NotSingularError when more than one Todo ID is found.
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// Returns a *NotFoundError when no entities are found.
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func (tq *TodoQuery) OnlyID(ctx context.Context) (id int, err error) {
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var ids []int
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if ids, err = tq.Limit(2).IDs(ctx); 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{todo.Label}
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default:
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err = &NotSingularError{todo.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 (tq *TodoQuery) OnlyIDX(ctx context.Context) int {
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id, err := tq.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 Todos.
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func (tq *TodoQuery) All(ctx context.Context) ([]*Todo, error) {
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if err := tq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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return tq.sqlAll(ctx)
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}
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// AllX is like All, but panics if an error occurs.
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func (tq *TodoQuery) AllX(ctx context.Context) []*Todo {
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nodes, err := tq.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 Todo IDs.
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func (tq *TodoQuery) IDs(ctx context.Context) ([]int, error) {
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var ids []int
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if err := tq.Select(todo.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 (tq *TodoQuery) IDsX(ctx context.Context) []int {
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ids, err := tq.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 (tq *TodoQuery) Count(ctx context.Context) (int, error) {
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if err := tq.prepareQuery(ctx); err != nil {
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return 0, err
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}
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return tq.sqlCount(ctx)
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}
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// CountX is like Count, but panics if an error occurs.
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func (tq *TodoQuery) CountX(ctx context.Context) int {
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count, err := tq.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 (tq *TodoQuery) Exist(ctx context.Context) (bool, error) {
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if err := tq.prepareQuery(ctx); err != nil {
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return false, err
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}
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return tq.sqlExist(ctx)
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}
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// ExistX is like Exist, but panics if an error occurs.
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func (tq *TodoQuery) ExistX(ctx context.Context) bool {
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exist, err := tq.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 TodoQuery 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 (tq *TodoQuery) Clone() *TodoQuery {
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if tq == nil {
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return nil
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}
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return &TodoQuery{
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config: tq.config,
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limit: tq.limit,
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offset: tq.offset,
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order: append([]OrderFunc{}, tq.order...),
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predicates: append([]predicate.Todo{}, tq.predicates...),
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withChildren: tq.withChildren.Clone(),
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withParent: tq.withParent.Clone(),
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// clone intermediate query.
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sql: tq.sql.Clone(),
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path: tq.path,
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unique: tq.unique,
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}
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}
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// WithChildren tells the query-builder to eager-load the nodes that are connected to
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// the "children" edge. The optional arguments are used to configure the query builder of the edge.
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func (tq *TodoQuery) WithChildren(opts ...func(*TodoQuery)) *TodoQuery {
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query := &TodoQuery{config: tq.config}
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for _, opt := range opts {
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opt(query)
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}
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tq.withChildren = query
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return tq
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}
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// WithParent tells the query-builder to eager-load the nodes that are connected to
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// the "parent" edge. The optional arguments are used to configure the query builder of the edge.
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func (tq *TodoQuery) WithParent(opts ...func(*TodoQuery)) *TodoQuery {
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query := &TodoQuery{config: tq.config}
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for _, opt := range opts {
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opt(query)
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}
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tq.withParent = query
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return tq
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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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// Text string `json:"text,omitempty"`
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// Count int `json:"count,omitempty"`
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// }
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//
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// client.Todo.Query().
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// GroupBy(todo.FieldText).
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// Aggregate(ent.Count()).
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// Scan(ctx, &v)
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//
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func (tq *TodoQuery) GroupBy(field string, fields ...string) *TodoGroupBy {
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group := &TodoGroupBy{config: tq.config}
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group.fields = append([]string{field}, fields...)
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group.path = func(ctx context.Context) (prev *sql.Selector, err error) {
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if err := tq.prepareQuery(ctx); err != nil {
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return nil, err
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}
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return tq.sqlQuery(ctx), nil
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}
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return group
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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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// Text string `json:"text,omitempty"`
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// }
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//
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// client.Todo.Query().
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// Select(todo.FieldText).
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// Scan(ctx, &v)
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//
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func (tq *TodoQuery) Select(fields ...string) *TodoSelect {
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tq.fields = append(tq.fields, fields...)
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return &TodoSelect{TodoQuery: tq}
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}
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func (tq *TodoQuery) prepareQuery(ctx context.Context) error {
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for _, f := range tq.fields {
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if !todo.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 tq.path != nil {
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prev, err := tq.path(ctx)
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if err != nil {
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return err
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}
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tq.sql = prev
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}
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return nil
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}
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func (tq *TodoQuery) sqlAll(ctx context.Context) ([]*Todo, error) {
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var (
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nodes = []*Todo{}
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withFKs = tq.withFKs
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_spec = tq.querySpec()
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loadedTypes = [2]bool{
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tq.withChildren != nil,
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tq.withParent != nil,
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}
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)
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if tq.withParent != nil {
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withFKs = true
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}
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if withFKs {
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_spec.Node.Columns = append(_spec.Node.Columns, todo.ForeignKeys...)
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}
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_spec.ScanValues = func(columns []string) ([]interface{}, error) {
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node := &Todo{config: tq.config}
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nodes = append(nodes, node)
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return node.scanValues(columns)
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}
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_spec.Assign = func(columns []string, values []interface{}) error {
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if len(nodes) == 0 {
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return fmt.Errorf("ent: Assign called without calling ScanValues")
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}
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node := nodes[len(nodes)-1]
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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 err := sqlgraph.QueryNodes(ctx, tq.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 := tq.withChildren; query != nil {
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fks := make([]driver.Value, 0, len(nodes))
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nodeids := make(map[int]*Todo)
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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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nodes[i].Edges.Children = []*Todo{}
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}
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query.withFKs = true
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query.Where(predicate.Todo(func(s *sql.Selector) {
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s.Where(sql.InValues(todo.ChildrenColumn, 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 nil, err
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}
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for _, n := range neighbors {
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fk := n.todo_parent
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if fk == nil {
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return nil, fmt.Errorf(`foreign-key "todo_parent" 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 nil, fmt.Errorf(`unexpected foreign-key "todo_parent" returned %v for node %v`, *fk, n.ID)
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}
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node.Edges.Children = append(node.Edges.Children, n)
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}
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}
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if query := tq.withParent; query != nil {
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ids := make([]int, 0, len(nodes))
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nodeids := make(map[int][]*Todo)
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for i := range nodes {
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if nodes[i].todo_parent == nil {
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continue
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}
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fk := *nodes[i].todo_parent
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if _, ok := nodeids[fk]; !ok {
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ids = append(ids, fk)
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}
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nodeids[fk] = append(nodeids[fk], nodes[i])
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}
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query.Where(todo.IDIn(ids...))
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neighbors, err := query.All(ctx)
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if err != nil {
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return nil, err
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}
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for _, n := range neighbors {
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nodes, ok := nodeids[n.ID]
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if !ok {
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return nil, fmt.Errorf(`unexpected foreign-key "todo_parent" returned %v`, n.ID)
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}
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for i := range nodes {
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nodes[i].Edges.Parent = n
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}
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}
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}
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return nodes, nil
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}
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func (tq *TodoQuery) sqlCount(ctx context.Context) (int, error) {
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_spec := tq.querySpec()
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_spec.Node.Columns = tq.fields
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if len(tq.fields) > 0 {
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_spec.Unique = tq.unique != nil && *tq.unique
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}
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return sqlgraph.CountNodes(ctx, tq.driver, _spec)
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}
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func (tq *TodoQuery) sqlExist(ctx context.Context) (bool, error) {
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n, err := tq.sqlCount(ctx)
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if err != nil {
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return false, fmt.Errorf("ent: check existence: %w", err)
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}
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return n > 0, nil
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}
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|
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func (tq *TodoQuery) querySpec() *sqlgraph.QuerySpec {
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_spec := &sqlgraph.QuerySpec{
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Node: &sqlgraph.NodeSpec{
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Table: todo.Table,
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Columns: todo.Columns,
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ID: &sqlgraph.FieldSpec{
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Type: field.TypeInt,
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Column: todo.FieldID,
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},
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},
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From: tq.sql,
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Unique: true,
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}
|
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if unique := tq.unique; unique != nil {
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_spec.Unique = *unique
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}
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if fields := tq.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, todo.FieldID)
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for i := range fields {
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if fields[i] != todo.FieldID {
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_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
|
|
}
|
|
}
|
|
}
|
|
if ps := tq.predicates; len(ps) > 0 {
|
|
_spec.Predicate = func(selector *sql.Selector) {
|
|
for i := range ps {
|
|
ps[i](selector)
|
|
}
|
|
}
|
|
}
|
|
if limit := tq.limit; limit != nil {
|
|
_spec.Limit = *limit
|
|
}
|
|
if offset := tq.offset; offset != nil {
|
|
_spec.Offset = *offset
|
|
}
|
|
if ps := tq.order; len(ps) > 0 {
|
|
_spec.Order = func(selector *sql.Selector) {
|
|
for i := range ps {
|
|
ps[i](selector)
|
|
}
|
|
}
|
|
}
|
|
return _spec
|
|
}
|
|
|
|
func (tq *TodoQuery) sqlQuery(ctx context.Context) *sql.Selector {
|
|
builder := sql.Dialect(tq.driver.Dialect())
|
|
t1 := builder.Table(todo.Table)
|
|
columns := tq.fields
|
|
if len(columns) == 0 {
|
|
columns = todo.Columns
|
|
}
|
|
selector := builder.Select(t1.Columns(columns...)...).From(t1)
|
|
if tq.sql != nil {
|
|
selector = tq.sql
|
|
selector.Select(selector.Columns(columns...)...)
|
|
}
|
|
if tq.unique != nil && *tq.unique {
|
|
selector.Distinct()
|
|
}
|
|
for _, p := range tq.predicates {
|
|
p(selector)
|
|
}
|
|
for _, p := range tq.order {
|
|
p(selector)
|
|
}
|
|
if offset := tq.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 := tq.limit; limit != nil {
|
|
selector.Limit(*limit)
|
|
}
|
|
return selector
|
|
}
|
|
|
|
// TodoGroupBy is the group-by builder for Todo entities.
|
|
type TodoGroupBy struct {
|
|
config
|
|
fields []string
|
|
fns []AggregateFunc
|
|
// intermediate query (i.e. traversal path).
|
|
sql *sql.Selector
|
|
path func(context.Context) (*sql.Selector, error)
|
|
}
|
|
|
|
// Aggregate adds the given aggregation functions to the group-by query.
|
|
func (tgb *TodoGroupBy) Aggregate(fns ...AggregateFunc) *TodoGroupBy {
|
|
tgb.fns = append(tgb.fns, fns...)
|
|
return tgb
|
|
}
|
|
|
|
// Scan applies the group-by query and scans the result into the given value.
|
|
func (tgb *TodoGroupBy) Scan(ctx context.Context, v interface{}) error {
|
|
query, err := tgb.path(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tgb.sql = query
|
|
return tgb.sqlScan(ctx, v)
|
|
}
|
|
|
|
// ScanX is like Scan, but panics if an error occurs.
|
|
func (tgb *TodoGroupBy) ScanX(ctx context.Context, v interface{}) {
|
|
if err := tgb.Scan(ctx, v); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
// Strings returns list of strings from group-by.
|
|
// It is only allowed when executing a group-by query with one field.
|
|
func (tgb *TodoGroupBy) Strings(ctx context.Context) ([]string, error) {
|
|
if len(tgb.fields) > 1 {
|
|
return nil, errors.New("ent: TodoGroupBy.Strings is not achievable when grouping more than 1 field")
|
|
}
|
|
var v []string
|
|
if err := tgb.Scan(ctx, &v); err != nil {
|
|
return nil, err
|
|
}
|
|
return v, nil
|
|
}
|
|
|
|
// StringsX is like Strings, but panics if an error occurs.
|
|
func (tgb *TodoGroupBy) StringsX(ctx context.Context) []string {
|
|
v, err := tgb.Strings(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// String returns a single string from a group-by query.
|
|
// It is only allowed when executing a group-by query with one field.
|
|
func (tgb *TodoGroupBy) String(ctx context.Context) (_ string, err error) {
|
|
var v []string
|
|
if v, err = tgb.Strings(ctx); err != nil {
|
|
return
|
|
}
|
|
switch len(v) {
|
|
case 1:
|
|
return v[0], nil
|
|
case 0:
|
|
err = &NotFoundError{todo.Label}
|
|
default:
|
|
err = fmt.Errorf("ent: TodoGroupBy.Strings returned %d results when one was expected", len(v))
|
|
}
|
|
return
|
|
}
|
|
|
|
// StringX is like String, but panics if an error occurs.
|
|
func (tgb *TodoGroupBy) StringX(ctx context.Context) string {
|
|
v, err := tgb.String(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Ints returns list of ints from group-by.
|
|
// It is only allowed when executing a group-by query with one field.
|
|
func (tgb *TodoGroupBy) Ints(ctx context.Context) ([]int, error) {
|
|
if len(tgb.fields) > 1 {
|
|
return nil, errors.New("ent: TodoGroupBy.Ints is not achievable when grouping more than 1 field")
|
|
}
|
|
var v []int
|
|
if err := tgb.Scan(ctx, &v); err != nil {
|
|
return nil, err
|
|
}
|
|
return v, nil
|
|
}
|
|
|
|
// IntsX is like Ints, but panics if an error occurs.
|
|
func (tgb *TodoGroupBy) IntsX(ctx context.Context) []int {
|
|
v, err := tgb.Ints(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Int returns a single int from a group-by query.
|
|
// It is only allowed when executing a group-by query with one field.
|
|
func (tgb *TodoGroupBy) Int(ctx context.Context) (_ int, err error) {
|
|
var v []int
|
|
if v, err = tgb.Ints(ctx); err != nil {
|
|
return
|
|
}
|
|
switch len(v) {
|
|
case 1:
|
|
return v[0], nil
|
|
case 0:
|
|
err = &NotFoundError{todo.Label}
|
|
default:
|
|
err = fmt.Errorf("ent: TodoGroupBy.Ints returned %d results when one was expected", len(v))
|
|
}
|
|
return
|
|
}
|
|
|
|
// IntX is like Int, but panics if an error occurs.
|
|
func (tgb *TodoGroupBy) IntX(ctx context.Context) int {
|
|
v, err := tgb.Int(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Float64s returns list of float64s from group-by.
|
|
// It is only allowed when executing a group-by query with one field.
|
|
func (tgb *TodoGroupBy) Float64s(ctx context.Context) ([]float64, error) {
|
|
if len(tgb.fields) > 1 {
|
|
return nil, errors.New("ent: TodoGroupBy.Float64s is not achievable when grouping more than 1 field")
|
|
}
|
|
var v []float64
|
|
if err := tgb.Scan(ctx, &v); err != nil {
|
|
return nil, err
|
|
}
|
|
return v, nil
|
|
}
|
|
|
|
// Float64sX is like Float64s, but panics if an error occurs.
|
|
func (tgb *TodoGroupBy) Float64sX(ctx context.Context) []float64 {
|
|
v, err := tgb.Float64s(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Float64 returns a single float64 from a group-by query.
|
|
// It is only allowed when executing a group-by query with one field.
|
|
func (tgb *TodoGroupBy) Float64(ctx context.Context) (_ float64, err error) {
|
|
var v []float64
|
|
if v, err = tgb.Float64s(ctx); err != nil {
|
|
return
|
|
}
|
|
switch len(v) {
|
|
case 1:
|
|
return v[0], nil
|
|
case 0:
|
|
err = &NotFoundError{todo.Label}
|
|
default:
|
|
err = fmt.Errorf("ent: TodoGroupBy.Float64s returned %d results when one was expected", len(v))
|
|
}
|
|
return
|
|
}
|
|
|
|
// Float64X is like Float64, but panics if an error occurs.
|
|
func (tgb *TodoGroupBy) Float64X(ctx context.Context) float64 {
|
|
v, err := tgb.Float64(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Bools returns list of bools from group-by.
|
|
// It is only allowed when executing a group-by query with one field.
|
|
func (tgb *TodoGroupBy) Bools(ctx context.Context) ([]bool, error) {
|
|
if len(tgb.fields) > 1 {
|
|
return nil, errors.New("ent: TodoGroupBy.Bools is not achievable when grouping more than 1 field")
|
|
}
|
|
var v []bool
|
|
if err := tgb.Scan(ctx, &v); err != nil {
|
|
return nil, err
|
|
}
|
|
return v, nil
|
|
}
|
|
|
|
// BoolsX is like Bools, but panics if an error occurs.
|
|
func (tgb *TodoGroupBy) BoolsX(ctx context.Context) []bool {
|
|
v, err := tgb.Bools(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Bool returns a single bool from a group-by query.
|
|
// It is only allowed when executing a group-by query with one field.
|
|
func (tgb *TodoGroupBy) Bool(ctx context.Context) (_ bool, err error) {
|
|
var v []bool
|
|
if v, err = tgb.Bools(ctx); err != nil {
|
|
return
|
|
}
|
|
switch len(v) {
|
|
case 1:
|
|
return v[0], nil
|
|
case 0:
|
|
err = &NotFoundError{todo.Label}
|
|
default:
|
|
err = fmt.Errorf("ent: TodoGroupBy.Bools returned %d results when one was expected", len(v))
|
|
}
|
|
return
|
|
}
|
|
|
|
// BoolX is like Bool, but panics if an error occurs.
|
|
func (tgb *TodoGroupBy) BoolX(ctx context.Context) bool {
|
|
v, err := tgb.Bool(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
func (tgb *TodoGroupBy) sqlScan(ctx context.Context, v interface{}) error {
|
|
for _, f := range tgb.fields {
|
|
if !todo.ValidColumn(f) {
|
|
return &ValidationError{Name: f, err: fmt.Errorf("invalid field %q for group-by", f)}
|
|
}
|
|
}
|
|
selector := tgb.sqlQuery()
|
|
if err := selector.Err(); err != nil {
|
|
return err
|
|
}
|
|
rows := &sql.Rows{}
|
|
query, args := selector.Query()
|
|
if err := tgb.driver.Query(ctx, query, args, rows); err != nil {
|
|
return err
|
|
}
|
|
defer rows.Close()
|
|
return sql.ScanSlice(rows, v)
|
|
}
|
|
|
|
func (tgb *TodoGroupBy) sqlQuery() *sql.Selector {
|
|
selector := tgb.sql.Select()
|
|
aggregation := make([]string, 0, len(tgb.fns))
|
|
for _, fn := range tgb.fns {
|
|
aggregation = append(aggregation, fn(selector))
|
|
}
|
|
// If no columns were selected in a custom aggregation function, the default
|
|
// selection is the fields used for "group-by", and the aggregation functions.
|
|
if len(selector.SelectedColumns()) == 0 {
|
|
columns := make([]string, 0, len(tgb.fields)+len(tgb.fns))
|
|
for _, f := range tgb.fields {
|
|
columns = append(columns, selector.C(f))
|
|
}
|
|
columns = append(columns, aggregation...)
|
|
selector.Select(columns...)
|
|
}
|
|
return selector.GroupBy(selector.Columns(tgb.fields...)...)
|
|
}
|
|
|
|
// TodoSelect is the builder for selecting fields of Todo entities.
|
|
type TodoSelect struct {
|
|
*TodoQuery
|
|
// intermediate query (i.e. traversal path).
|
|
sql *sql.Selector
|
|
}
|
|
|
|
// Scan applies the selector query and scans the result into the given value.
|
|
func (ts *TodoSelect) Scan(ctx context.Context, v interface{}) error {
|
|
if err := ts.prepareQuery(ctx); err != nil {
|
|
return err
|
|
}
|
|
ts.sql = ts.TodoQuery.sqlQuery(ctx)
|
|
return ts.sqlScan(ctx, v)
|
|
}
|
|
|
|
// ScanX is like Scan, but panics if an error occurs.
|
|
func (ts *TodoSelect) ScanX(ctx context.Context, v interface{}) {
|
|
if err := ts.Scan(ctx, v); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
// Strings returns list of strings from a selector. It is only allowed when selecting one field.
|
|
func (ts *TodoSelect) Strings(ctx context.Context) ([]string, error) {
|
|
if len(ts.fields) > 1 {
|
|
return nil, errors.New("ent: TodoSelect.Strings is not achievable when selecting more than 1 field")
|
|
}
|
|
var v []string
|
|
if err := ts.Scan(ctx, &v); err != nil {
|
|
return nil, err
|
|
}
|
|
return v, nil
|
|
}
|
|
|
|
// StringsX is like Strings, but panics if an error occurs.
|
|
func (ts *TodoSelect) StringsX(ctx context.Context) []string {
|
|
v, err := ts.Strings(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// String returns a single string from a selector. It is only allowed when selecting one field.
|
|
func (ts *TodoSelect) String(ctx context.Context) (_ string, err error) {
|
|
var v []string
|
|
if v, err = ts.Strings(ctx); err != nil {
|
|
return
|
|
}
|
|
switch len(v) {
|
|
case 1:
|
|
return v[0], nil
|
|
case 0:
|
|
err = &NotFoundError{todo.Label}
|
|
default:
|
|
err = fmt.Errorf("ent: TodoSelect.Strings returned %d results when one was expected", len(v))
|
|
}
|
|
return
|
|
}
|
|
|
|
// StringX is like String, but panics if an error occurs.
|
|
func (ts *TodoSelect) StringX(ctx context.Context) string {
|
|
v, err := ts.String(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Ints returns list of ints from a selector. It is only allowed when selecting one field.
|
|
func (ts *TodoSelect) Ints(ctx context.Context) ([]int, error) {
|
|
if len(ts.fields) > 1 {
|
|
return nil, errors.New("ent: TodoSelect.Ints is not achievable when selecting more than 1 field")
|
|
}
|
|
var v []int
|
|
if err := ts.Scan(ctx, &v); err != nil {
|
|
return nil, err
|
|
}
|
|
return v, nil
|
|
}
|
|
|
|
// IntsX is like Ints, but panics if an error occurs.
|
|
func (ts *TodoSelect) IntsX(ctx context.Context) []int {
|
|
v, err := ts.Ints(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Int returns a single int from a selector. It is only allowed when selecting one field.
|
|
func (ts *TodoSelect) Int(ctx context.Context) (_ int, err error) {
|
|
var v []int
|
|
if v, err = ts.Ints(ctx); err != nil {
|
|
return
|
|
}
|
|
switch len(v) {
|
|
case 1:
|
|
return v[0], nil
|
|
case 0:
|
|
err = &NotFoundError{todo.Label}
|
|
default:
|
|
err = fmt.Errorf("ent: TodoSelect.Ints returned %d results when one was expected", len(v))
|
|
}
|
|
return
|
|
}
|
|
|
|
// IntX is like Int, but panics if an error occurs.
|
|
func (ts *TodoSelect) IntX(ctx context.Context) int {
|
|
v, err := ts.Int(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Float64s returns list of float64s from a selector. It is only allowed when selecting one field.
|
|
func (ts *TodoSelect) Float64s(ctx context.Context) ([]float64, error) {
|
|
if len(ts.fields) > 1 {
|
|
return nil, errors.New("ent: TodoSelect.Float64s is not achievable when selecting more than 1 field")
|
|
}
|
|
var v []float64
|
|
if err := ts.Scan(ctx, &v); err != nil {
|
|
return nil, err
|
|
}
|
|
return v, nil
|
|
}
|
|
|
|
// Float64sX is like Float64s, but panics if an error occurs.
|
|
func (ts *TodoSelect) Float64sX(ctx context.Context) []float64 {
|
|
v, err := ts.Float64s(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Float64 returns a single float64 from a selector. It is only allowed when selecting one field.
|
|
func (ts *TodoSelect) Float64(ctx context.Context) (_ float64, err error) {
|
|
var v []float64
|
|
if v, err = ts.Float64s(ctx); err != nil {
|
|
return
|
|
}
|
|
switch len(v) {
|
|
case 1:
|
|
return v[0], nil
|
|
case 0:
|
|
err = &NotFoundError{todo.Label}
|
|
default:
|
|
err = fmt.Errorf("ent: TodoSelect.Float64s returned %d results when one was expected", len(v))
|
|
}
|
|
return
|
|
}
|
|
|
|
// Float64X is like Float64, but panics if an error occurs.
|
|
func (ts *TodoSelect) Float64X(ctx context.Context) float64 {
|
|
v, err := ts.Float64(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Bools returns list of bools from a selector. It is only allowed when selecting one field.
|
|
func (ts *TodoSelect) Bools(ctx context.Context) ([]bool, error) {
|
|
if len(ts.fields) > 1 {
|
|
return nil, errors.New("ent: TodoSelect.Bools is not achievable when selecting more than 1 field")
|
|
}
|
|
var v []bool
|
|
if err := ts.Scan(ctx, &v); err != nil {
|
|
return nil, err
|
|
}
|
|
return v, nil
|
|
}
|
|
|
|
// BoolsX is like Bools, but panics if an error occurs.
|
|
func (ts *TodoSelect) BoolsX(ctx context.Context) []bool {
|
|
v, err := ts.Bools(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Bool returns a single bool from a selector. It is only allowed when selecting one field.
|
|
func (ts *TodoSelect) Bool(ctx context.Context) (_ bool, err error) {
|
|
var v []bool
|
|
if v, err = ts.Bools(ctx); err != nil {
|
|
return
|
|
}
|
|
switch len(v) {
|
|
case 1:
|
|
return v[0], nil
|
|
case 0:
|
|
err = &NotFoundError{todo.Label}
|
|
default:
|
|
err = fmt.Errorf("ent: TodoSelect.Bools returned %d results when one was expected", len(v))
|
|
}
|
|
return
|
|
}
|
|
|
|
// BoolX is like Bool, but panics if an error occurs.
|
|
func (ts *TodoSelect) BoolX(ctx context.Context) bool {
|
|
v, err := ts.Bool(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
func (ts *TodoSelect) sqlScan(ctx context.Context, v interface{}) error {
|
|
rows := &sql.Rows{}
|
|
query, args := ts.sql.Query()
|
|
if err := ts.driver.Query(ctx, query, args, rows); err != nil {
|
|
return err
|
|
}
|
|
defer rows.Close()
|
|
return sql.ScanSlice(rows, v)
|
|
}
|