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filetype_query.go
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filetype_query.go
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// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.
// Code generated by entc, DO NOT EDIT.
package ent
import (
"context"
"database/sql/driver"
"errors"
"fmt"
"math"
"strconv"
"github.com/facebookincubator/ent/dialect/sql"
"github.com/facebookincubator/ent/dialect/sql/sqlgraph"
"github.com/facebookincubator/ent/entc/integration/ent/file"
"github.com/facebookincubator/ent/entc/integration/ent/filetype"
"github.com/facebookincubator/ent/entc/integration/ent/predicate"
"github.com/facebookincubator/ent/schema/field"
)
// FileTypeQuery is the builder for querying FileType entities.
type FileTypeQuery struct {
config
limit *int
offset *int
order []Order
unique []string
predicates []predicate.FileType
// eager-loading edges.
withFiles *FileQuery
// intermediate query.
sql *sql.Selector
}
// Where adds a new predicate for the builder.
func (ftq *FileTypeQuery) Where(ps ...predicate.FileType) *FileTypeQuery {
ftq.predicates = append(ftq.predicates, ps...)
return ftq
}
// Limit adds a limit step to the query.
func (ftq *FileTypeQuery) Limit(limit int) *FileTypeQuery {
ftq.limit = &limit
return ftq
}
// Offset adds an offset step to the query.
func (ftq *FileTypeQuery) Offset(offset int) *FileTypeQuery {
ftq.offset = &offset
return ftq
}
// Order adds an order step to the query.
func (ftq *FileTypeQuery) Order(o ...Order) *FileTypeQuery {
ftq.order = append(ftq.order, o...)
return ftq
}
// QueryFiles chains the current query on the files edge.
func (ftq *FileTypeQuery) QueryFiles() *FileQuery {
query := &FileQuery{config: ftq.config}
step := sqlgraph.NewStep(
sqlgraph.From(filetype.Table, filetype.FieldID, ftq.sqlQuery()),
sqlgraph.To(file.Table, file.FieldID),
sqlgraph.Edge(sqlgraph.O2M, false, filetype.FilesTable, filetype.FilesColumn),
)
query.sql = sqlgraph.SetNeighbors(ftq.driver.Dialect(), step)
return query
}
// First returns the first FileType entity in the query. Returns *NotFoundError when no filetype was found.
func (ftq *FileTypeQuery) First(ctx context.Context) (*FileType, error) {
fts, err := ftq.Limit(1).All(ctx)
if err != nil {
return nil, err
}
if len(fts) == 0 {
return nil, &NotFoundError{filetype.Label}
}
return fts[0], nil
}
// FirstX is like First, but panics if an error occurs.
func (ftq *FileTypeQuery) FirstX(ctx context.Context) *FileType {
ft, err := ftq.First(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return ft
}
// FirstID returns the first FileType id in the query. Returns *NotFoundError when no id was found.
func (ftq *FileTypeQuery) FirstID(ctx context.Context) (id string, err error) {
var ids []string
if ids, err = ftq.Limit(1).IDs(ctx); err != nil {
return
}
if len(ids) == 0 {
err = &NotFoundError{filetype.Label}
return
}
return ids[0], nil
}
// FirstXID is like FirstID, but panics if an error occurs.
func (ftq *FileTypeQuery) FirstXID(ctx context.Context) string {
id, err := ftq.FirstID(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return id
}
// Only returns the only FileType entity in the query, returns an error if not exactly one entity was returned.
func (ftq *FileTypeQuery) Only(ctx context.Context) (*FileType, error) {
fts, err := ftq.Limit(2).All(ctx)
if err != nil {
return nil, err
}
switch len(fts) {
case 1:
return fts[0], nil
case 0:
return nil, &NotFoundError{filetype.Label}
default:
return nil, &NotSingularError{filetype.Label}
}
}
// OnlyX is like Only, but panics if an error occurs.
func (ftq *FileTypeQuery) OnlyX(ctx context.Context) *FileType {
ft, err := ftq.Only(ctx)
if err != nil {
panic(err)
}
return ft
}
// OnlyID returns the only FileType id in the query, returns an error if not exactly one id was returned.
func (ftq *FileTypeQuery) OnlyID(ctx context.Context) (id string, err error) {
var ids []string
if ids, err = ftq.Limit(2).IDs(ctx); err != nil {
return
}
switch len(ids) {
case 1:
id = ids[0]
case 0:
err = &NotFoundError{filetype.Label}
default:
err = &NotSingularError{filetype.Label}
}
return
}
// OnlyXID is like OnlyID, but panics if an error occurs.
func (ftq *FileTypeQuery) OnlyXID(ctx context.Context) string {
id, err := ftq.OnlyID(ctx)
if err != nil {
panic(err)
}
return id
}
// All executes the query and returns a list of FileTypes.
func (ftq *FileTypeQuery) All(ctx context.Context) ([]*FileType, error) {
return ftq.sqlAll(ctx)
}
// AllX is like All, but panics if an error occurs.
func (ftq *FileTypeQuery) AllX(ctx context.Context) []*FileType {
fts, err := ftq.All(ctx)
if err != nil {
panic(err)
}
return fts
}
// IDs executes the query and returns a list of FileType ids.
func (ftq *FileTypeQuery) IDs(ctx context.Context) ([]string, error) {
var ids []string
if err := ftq.Select(filetype.FieldID).Scan(ctx, &ids); err != nil {
return nil, err
}
return ids, nil
}
// IDsX is like IDs, but panics if an error occurs.
func (ftq *FileTypeQuery) IDsX(ctx context.Context) []string {
ids, err := ftq.IDs(ctx)
if err != nil {
panic(err)
}
return ids
}
// Count returns the count of the given query.
func (ftq *FileTypeQuery) Count(ctx context.Context) (int, error) {
return ftq.sqlCount(ctx)
}
// CountX is like Count, but panics if an error occurs.
func (ftq *FileTypeQuery) CountX(ctx context.Context) int {
count, err := ftq.Count(ctx)
if err != nil {
panic(err)
}
return count
}
// Exist returns true if the query has elements in the graph.
func (ftq *FileTypeQuery) Exist(ctx context.Context) (bool, error) {
return ftq.sqlExist(ctx)
}
// ExistX is like Exist, but panics if an error occurs.
func (ftq *FileTypeQuery) ExistX(ctx context.Context) bool {
exist, err := ftq.Exist(ctx)
if err != nil {
panic(err)
}
return exist
}
// Clone returns a duplicate of the query builder, including all associated steps. It can be
// used to prepare common query builders and use them differently after the clone is made.
func (ftq *FileTypeQuery) Clone() *FileTypeQuery {
return &FileTypeQuery{
config: ftq.config,
limit: ftq.limit,
offset: ftq.offset,
order: append([]Order{}, ftq.order...),
unique: append([]string{}, ftq.unique...),
predicates: append([]predicate.FileType{}, ftq.predicates...),
// clone intermediate query.
sql: ftq.sql.Clone(),
}
}
// WithFiles tells the query-builder to eager-loads the nodes that are connected to
// the "files" edge. The optional arguments used to configure the query builder of the edge.
func (ftq *FileTypeQuery) WithFiles(opts ...func(*FileQuery)) *FileTypeQuery {
query := &FileQuery{config: ftq.config}
for _, opt := range opts {
opt(query)
}
ftq.withFiles = query
return ftq
}
// GroupBy 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 {
// Name string `json:"name,omitempty"`
// Count int `json:"count,omitempty"`
// }
//
// client.FileType.Query().
// GroupBy(filetype.FieldName).
// Aggregate(ent.Count()).
// Scan(ctx, &v)
//
func (ftq *FileTypeQuery) GroupBy(field string, fields ...string) *FileTypeGroupBy {
group := &FileTypeGroupBy{config: ftq.config}
group.fields = append([]string{field}, fields...)
group.sql = ftq.sqlQuery()
return group
}
// Select one or more fields from the given query.
//
// Example:
//
// var v []struct {
// Name string `json:"name,omitempty"`
// }
//
// client.FileType.Query().
// Select(filetype.FieldName).
// Scan(ctx, &v)
//
func (ftq *FileTypeQuery) Select(field string, fields ...string) *FileTypeSelect {
selector := &FileTypeSelect{config: ftq.config}
selector.fields = append([]string{field}, fields...)
selector.sql = ftq.sqlQuery()
return selector
}
func (ftq *FileTypeQuery) sqlAll(ctx context.Context) ([]*FileType, error) {
var (
nodes = []*FileType{}
_spec = ftq.querySpec()
loadedTypes = [1]bool{
ftq.withFiles != nil,
}
)
_spec.ScanValues = func() []interface{} {
node := &FileType{config: ftq.config}
nodes = append(nodes, node)
values := node.scanValues()
return values
}
_spec.Assign = func(values ...interface{}) error {
if len(nodes) == 0 {
return fmt.Errorf("ent: Assign called without calling ScanValues")
}
node := nodes[len(nodes)-1]
node.Edges.loadedTypes = loadedTypes
return node.assignValues(values...)
}
if err := sqlgraph.QueryNodes(ctx, ftq.driver, _spec); err != nil {
return nil, err
}
if len(nodes) == 0 {
return nodes, nil
}
if query := ftq.withFiles; query != nil {
fks := make([]driver.Value, 0, len(nodes))
nodeids := make(map[string]*FileType)
for i := range nodes {
id, err := strconv.Atoi(nodes[i].ID)
if err != nil {
return nil, err
}
fks = append(fks, id)
nodeids[nodes[i].ID] = nodes[i]
}
query.withFKs = true
query.Where(predicate.File(func(s *sql.Selector) {
s.Where(sql.InValues(filetype.FilesColumn, fks...))
}))
neighbors, err := query.All(ctx)
if err != nil {
return nil, err
}
for _, n := range neighbors {
fk := n.file_type_files
if fk == nil {
return nil, fmt.Errorf(`foreign-key "file_type_files" is nil for node %v`, n.ID)
}
node, ok := nodeids[*fk]
if !ok {
return nil, fmt.Errorf(`unexpected foreign-key "file_type_files" returned %v for node %v`, *fk, n.ID)
}
node.Edges.Files = append(node.Edges.Files, n)
}
}
return nodes, nil
}
func (ftq *FileTypeQuery) sqlCount(ctx context.Context) (int, error) {
_spec := ftq.querySpec()
return sqlgraph.CountNodes(ctx, ftq.driver, _spec)
}
func (ftq *FileTypeQuery) sqlExist(ctx context.Context) (bool, error) {
n, err := ftq.sqlCount(ctx)
if err != nil {
return false, fmt.Errorf("ent: check existence: %v", err)
}
return n > 0, nil
}
func (ftq *FileTypeQuery) querySpec() *sqlgraph.QuerySpec {
_spec := &sqlgraph.QuerySpec{
Node: &sqlgraph.NodeSpec{
Table: filetype.Table,
Columns: filetype.Columns,
ID: &sqlgraph.FieldSpec{
Type: field.TypeString,
Column: filetype.FieldID,
},
},
From: ftq.sql,
Unique: true,
}
if ps := ftq.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
if limit := ftq.limit; limit != nil {
_spec.Limit = *limit
}
if offset := ftq.offset; offset != nil {
_spec.Offset = *offset
}
if ps := ftq.order; len(ps) > 0 {
_spec.Order = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
return _spec
}
func (ftq *FileTypeQuery) sqlQuery() *sql.Selector {
builder := sql.Dialect(ftq.driver.Dialect())
t1 := builder.Table(filetype.Table)
selector := builder.Select(t1.Columns(filetype.Columns...)...).From(t1)
if ftq.sql != nil {
selector = ftq.sql
selector.Select(selector.Columns(filetype.Columns...)...)
}
for _, p := range ftq.predicates {
p(selector)
}
for _, p := range ftq.order {
p(selector)
}
if offset := ftq.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 := ftq.limit; limit != nil {
selector.Limit(*limit)
}
return selector
}
// FileTypeGroupBy is the builder for group-by FileType entities.
type FileTypeGroupBy struct {
config
fields []string
fns []Aggregate
// intermediate query.
sql *sql.Selector
}
// Aggregate adds the given aggregation functions to the group-by query.
func (ftgb *FileTypeGroupBy) Aggregate(fns ...Aggregate) *FileTypeGroupBy {
ftgb.fns = append(ftgb.fns, fns...)
return ftgb
}
// Scan applies the group-by query and scan the result into the given value.
func (ftgb *FileTypeGroupBy) Scan(ctx context.Context, v interface{}) error {
return ftgb.sqlScan(ctx, v)
}
// ScanX is like Scan, but panics if an error occurs.
func (ftgb *FileTypeGroupBy) ScanX(ctx context.Context, v interface{}) {
if err := ftgb.Scan(ctx, v); err != nil {
panic(err)
}
}
// Strings returns list of strings from group-by. It is only allowed when querying group-by with one field.
func (ftgb *FileTypeGroupBy) Strings(ctx context.Context) ([]string, error) {
if len(ftgb.fields) > 1 {
return nil, errors.New("ent: FileTypeGroupBy.Strings is not achievable when grouping more than 1 field")
}
var v []string
if err := ftgb.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// StringsX is like Strings, but panics if an error occurs.
func (ftgb *FileTypeGroupBy) StringsX(ctx context.Context) []string {
v, err := ftgb.Strings(ctx)
if err != nil {
panic(err)
}
return v
}
// Ints returns list of ints from group-by. It is only allowed when querying group-by with one field.
func (ftgb *FileTypeGroupBy) Ints(ctx context.Context) ([]int, error) {
if len(ftgb.fields) > 1 {
return nil, errors.New("ent: FileTypeGroupBy.Ints is not achievable when grouping more than 1 field")
}
var v []int
if err := ftgb.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// IntsX is like Ints, but panics if an error occurs.
func (ftgb *FileTypeGroupBy) IntsX(ctx context.Context) []int {
v, err := ftgb.Ints(ctx)
if err != nil {
panic(err)
}
return v
}
// Float64s returns list of float64s from group-by. It is only allowed when querying group-by with one field.
func (ftgb *FileTypeGroupBy) Float64s(ctx context.Context) ([]float64, error) {
if len(ftgb.fields) > 1 {
return nil, errors.New("ent: FileTypeGroupBy.Float64s is not achievable when grouping more than 1 field")
}
var v []float64
if err := ftgb.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// Float64sX is like Float64s, but panics if an error occurs.
func (ftgb *FileTypeGroupBy) Float64sX(ctx context.Context) []float64 {
v, err := ftgb.Float64s(ctx)
if err != nil {
panic(err)
}
return v
}
// Bools returns list of bools from group-by. It is only allowed when querying group-by with one field.
func (ftgb *FileTypeGroupBy) Bools(ctx context.Context) ([]bool, error) {
if len(ftgb.fields) > 1 {
return nil, errors.New("ent: FileTypeGroupBy.Bools is not achievable when grouping more than 1 field")
}
var v []bool
if err := ftgb.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// BoolsX is like Bools, but panics if an error occurs.
func (ftgb *FileTypeGroupBy) BoolsX(ctx context.Context) []bool {
v, err := ftgb.Bools(ctx)
if err != nil {
panic(err)
}
return v
}
func (ftgb *FileTypeGroupBy) sqlScan(ctx context.Context, v interface{}) error {
rows := &sql.Rows{}
query, args := ftgb.sqlQuery().Query()
if err := ftgb.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}
func (ftgb *FileTypeGroupBy) sqlQuery() *sql.Selector {
selector := ftgb.sql
columns := make([]string, 0, len(ftgb.fields)+len(ftgb.fns))
columns = append(columns, ftgb.fields...)
for _, fn := range ftgb.fns {
columns = append(columns, fn(selector))
}
return selector.Select(columns...).GroupBy(ftgb.fields...)
}
// FileTypeSelect is the builder for select fields of FileType entities.
type FileTypeSelect struct {
config
fields []string
// intermediate queries.
sql *sql.Selector
}
// Scan applies the selector query and scan the result into the given value.
func (fts *FileTypeSelect) Scan(ctx context.Context, v interface{}) error {
return fts.sqlScan(ctx, v)
}
// ScanX is like Scan, but panics if an error occurs.
func (fts *FileTypeSelect) ScanX(ctx context.Context, v interface{}) {
if err := fts.Scan(ctx, v); err != nil {
panic(err)
}
}
// Strings returns list of strings from selector. It is only allowed when selecting one field.
func (fts *FileTypeSelect) Strings(ctx context.Context) ([]string, error) {
if len(fts.fields) > 1 {
return nil, errors.New("ent: FileTypeSelect.Strings is not achievable when selecting more than 1 field")
}
var v []string
if err := fts.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// StringsX is like Strings, but panics if an error occurs.
func (fts *FileTypeSelect) StringsX(ctx context.Context) []string {
v, err := fts.Strings(ctx)
if err != nil {
panic(err)
}
return v
}
// Ints returns list of ints from selector. It is only allowed when selecting one field.
func (fts *FileTypeSelect) Ints(ctx context.Context) ([]int, error) {
if len(fts.fields) > 1 {
return nil, errors.New("ent: FileTypeSelect.Ints is not achievable when selecting more than 1 field")
}
var v []int
if err := fts.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// IntsX is like Ints, but panics if an error occurs.
func (fts *FileTypeSelect) IntsX(ctx context.Context) []int {
v, err := fts.Ints(ctx)
if err != nil {
panic(err)
}
return v
}
// Float64s returns list of float64s from selector. It is only allowed when selecting one field.
func (fts *FileTypeSelect) Float64s(ctx context.Context) ([]float64, error) {
if len(fts.fields) > 1 {
return nil, errors.New("ent: FileTypeSelect.Float64s is not achievable when selecting more than 1 field")
}
var v []float64
if err := fts.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// Float64sX is like Float64s, but panics if an error occurs.
func (fts *FileTypeSelect) Float64sX(ctx context.Context) []float64 {
v, err := fts.Float64s(ctx)
if err != nil {
panic(err)
}
return v
}
// Bools returns list of bools from selector. It is only allowed when selecting one field.
func (fts *FileTypeSelect) Bools(ctx context.Context) ([]bool, error) {
if len(fts.fields) > 1 {
return nil, errors.New("ent: FileTypeSelect.Bools is not achievable when selecting more than 1 field")
}
var v []bool
if err := fts.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// BoolsX is like Bools, but panics if an error occurs.
func (fts *FileTypeSelect) BoolsX(ctx context.Context) []bool {
v, err := fts.Bools(ctx)
if err != nil {
panic(err)
}
return v
}
func (fts *FileTypeSelect) sqlScan(ctx context.Context, v interface{}) error {
rows := &sql.Rows{}
query, args := fts.sqlQuery().Query()
if err := fts.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}
func (fts *FileTypeSelect) sqlQuery() sql.Querier {
selector := fts.sql
selector.Select(selector.Columns(fts.fields...)...)
return selector
}