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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 (@generated) by entc, DO NOT EDIT.
package ent
import (
"context"
"errors"
"fmt"
"math"
"github.com/facebookincubator/ent/dialect/sql"
"github.com/facebookincubator/ent/entc/integration/ent/group"
"github.com/facebookincubator/ent/entc/integration/ent/groupinfo"
"github.com/facebookincubator/ent/entc/integration/ent/predicate"
)
// GroupInfoQuery is the builder for querying GroupInfo entities.
type GroupInfoQuery struct {
config
limit *int
offset *int
order []Order
unique []string
predicates []predicate.GroupInfo
// intermediate query.
sql *sql.Selector
}
// Where adds a new predicate for the builder.
func (giq *GroupInfoQuery) Where(ps ...predicate.GroupInfo) *GroupInfoQuery {
giq.predicates = append(giq.predicates, ps...)
return giq
}
// Limit adds a limit step to the query.
func (giq *GroupInfoQuery) Limit(limit int) *GroupInfoQuery {
giq.limit = &limit
return giq
}
// Offset adds an offset step to the query.
func (giq *GroupInfoQuery) Offset(offset int) *GroupInfoQuery {
giq.offset = &offset
return giq
}
// Order adds an order step to the query.
func (giq *GroupInfoQuery) Order(o ...Order) *GroupInfoQuery {
giq.order = append(giq.order, o...)
return giq
}
// QueryGroups chains the current query on the groups edge.
func (giq *GroupInfoQuery) QueryGroups() *GroupQuery {
query := &GroupQuery{config: giq.config}
step := sql.NewStep(
sql.From(groupinfo.Table, groupinfo.FieldID, giq.sqlQuery()),
sql.To(group.Table, group.FieldID),
sql.Edge(sql.O2M, true, groupinfo.GroupsTable, groupinfo.GroupsColumn),
)
query.sql = sql.SetNeighbors(giq.driver.Dialect(), step)
return query
}
// First returns the first GroupInfo entity in the query. Returns *ErrNotFound when no groupinfo was found.
func (giq *GroupInfoQuery) First(ctx context.Context) (*GroupInfo, error) {
gis, err := giq.Limit(1).All(ctx)
if err != nil {
return nil, err
}
if len(gis) == 0 {
return nil, &ErrNotFound{groupinfo.Label}
}
return gis[0], nil
}
// FirstX is like First, but panics if an error occurs.
func (giq *GroupInfoQuery) FirstX(ctx context.Context) *GroupInfo {
gi, err := giq.First(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return gi
}
// FirstID returns the first GroupInfo id in the query. Returns *ErrNotFound when no id was found.
func (giq *GroupInfoQuery) FirstID(ctx context.Context) (id string, err error) {
var ids []string
if ids, err = giq.Limit(1).IDs(ctx); err != nil {
return
}
if len(ids) == 0 {
err = &ErrNotFound{groupinfo.Label}
return
}
return ids[0], nil
}
// FirstXID is like FirstID, but panics if an error occurs.
func (giq *GroupInfoQuery) FirstXID(ctx context.Context) string {
id, err := giq.FirstID(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return id
}
// Only returns the only GroupInfo entity in the query, returns an error if not exactly one entity was returned.
func (giq *GroupInfoQuery) Only(ctx context.Context) (*GroupInfo, error) {
gis, err := giq.Limit(2).All(ctx)
if err != nil {
return nil, err
}
switch len(gis) {
case 1:
return gis[0], nil
case 0:
return nil, &ErrNotFound{groupinfo.Label}
default:
return nil, &ErrNotSingular{groupinfo.Label}
}
}
// OnlyX is like Only, but panics if an error occurs.
func (giq *GroupInfoQuery) OnlyX(ctx context.Context) *GroupInfo {
gi, err := giq.Only(ctx)
if err != nil {
panic(err)
}
return gi
}
// OnlyID returns the only GroupInfo id in the query, returns an error if not exactly one id was returned.
func (giq *GroupInfoQuery) OnlyID(ctx context.Context) (id string, err error) {
var ids []string
if ids, err = giq.Limit(2).IDs(ctx); err != nil {
return
}
switch len(ids) {
case 1:
id = ids[0]
case 0:
err = &ErrNotFound{groupinfo.Label}
default:
err = &ErrNotSingular{groupinfo.Label}
}
return
}
// OnlyXID is like OnlyID, but panics if an error occurs.
func (giq *GroupInfoQuery) OnlyXID(ctx context.Context) string {
id, err := giq.OnlyID(ctx)
if err != nil {
panic(err)
}
return id
}
// All executes the query and returns a list of GroupInfos.
func (giq *GroupInfoQuery) All(ctx context.Context) ([]*GroupInfo, error) {
return giq.sqlAll(ctx)
}
// AllX is like All, but panics if an error occurs.
func (giq *GroupInfoQuery) AllX(ctx context.Context) []*GroupInfo {
gis, err := giq.All(ctx)
if err != nil {
panic(err)
}
return gis
}
// IDs executes the query and returns a list of GroupInfo ids.
func (giq *GroupInfoQuery) IDs(ctx context.Context) ([]string, error) {
var ids []string
if err := giq.Select(groupinfo.FieldID).Scan(ctx, &ids); err != nil {
return nil, err
}
return ids, nil
}
// IDsX is like IDs, but panics if an error occurs.
func (giq *GroupInfoQuery) IDsX(ctx context.Context) []string {
ids, err := giq.IDs(ctx)
if err != nil {
panic(err)
}
return ids
}
// Count returns the count of the given query.
func (giq *GroupInfoQuery) Count(ctx context.Context) (int, error) {
return giq.sqlCount(ctx)
}
// CountX is like Count, but panics if an error occurs.
func (giq *GroupInfoQuery) CountX(ctx context.Context) int {
count, err := giq.Count(ctx)
if err != nil {
panic(err)
}
return count
}
// Exist returns true if the query has elements in the graph.
func (giq *GroupInfoQuery) Exist(ctx context.Context) (bool, error) {
return giq.sqlExist(ctx)
}
// ExistX is like Exist, but panics if an error occurs.
func (giq *GroupInfoQuery) ExistX(ctx context.Context) bool {
exist, err := giq.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 (giq *GroupInfoQuery) Clone() *GroupInfoQuery {
return &GroupInfoQuery{
config: giq.config,
limit: giq.limit,
offset: giq.offset,
order: append([]Order{}, giq.order...),
unique: append([]string{}, giq.unique...),
predicates: append([]predicate.GroupInfo{}, giq.predicates...),
// clone intermediate query.
sql: giq.sql.Clone(),
}
}
// 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 {
// Desc string `json:"desc,omitempty"`
// Count int `json:"count,omitempty"`
// }
//
// client.GroupInfo.Query().
// GroupBy(groupinfo.FieldDesc).
// Aggregate(ent.Count()).
// Scan(ctx, &v)
//
func (giq *GroupInfoQuery) GroupBy(field string, fields ...string) *GroupInfoGroupBy {
group := &GroupInfoGroupBy{config: giq.config}
group.fields = append([]string{field}, fields...)
group.sql = giq.sqlQuery()
return group
}
// Select one or more fields from the given query.
//
// Example:
//
// var v []struct {
// Desc string `json:"desc,omitempty"`
// }
//
// client.GroupInfo.Query().
// Select(groupinfo.FieldDesc).
// Scan(ctx, &v)
//
func (giq *GroupInfoQuery) Select(field string, fields ...string) *GroupInfoSelect {
selector := &GroupInfoSelect{config: giq.config}
selector.fields = append([]string{field}, fields...)
selector.sql = giq.sqlQuery()
return selector
}
func (giq *GroupInfoQuery) sqlAll(ctx context.Context) ([]*GroupInfo, error) {
rows := &sql.Rows{}
selector := giq.sqlQuery()
if unique := giq.unique; len(unique) == 0 {
selector.Distinct()
}
query, args := selector.Query()
if err := giq.driver.Query(ctx, query, args, rows); err != nil {
return nil, err
}
defer rows.Close()
var gis GroupInfos
if err := gis.FromRows(rows); err != nil {
return nil, err
}
gis.config(giq.config)
return gis, nil
}
func (giq *GroupInfoQuery) sqlCount(ctx context.Context) (int, error) {
rows := &sql.Rows{}
selector := giq.sqlQuery()
unique := []string{groupinfo.FieldID}
if len(giq.unique) > 0 {
unique = giq.unique
}
selector.Count(sql.Distinct(selector.Columns(unique...)...))
query, args := selector.Query()
if err := giq.driver.Query(ctx, query, args, rows); err != nil {
return 0, err
}
defer rows.Close()
if !rows.Next() {
return 0, errors.New("ent: no rows found")
}
var n int
if err := rows.Scan(&n); err != nil {
return 0, fmt.Errorf("ent: failed reading count: %v", err)
}
return n, nil
}
func (giq *GroupInfoQuery) sqlExist(ctx context.Context) (bool, error) {
n, err := giq.sqlCount(ctx)
if err != nil {
return false, fmt.Errorf("ent: check existence: %v", err)
}
return n > 0, nil
}
func (giq *GroupInfoQuery) sqlQuery() *sql.Selector {
builder := sql.Dialect(giq.driver.Dialect())
t1 := builder.Table(groupinfo.Table)
selector := builder.Select(t1.Columns(groupinfo.Columns...)...).From(t1)
if giq.sql != nil {
selector = giq.sql
selector.Select(selector.Columns(groupinfo.Columns...)...)
}
for _, p := range giq.predicates {
p(selector)
}
for _, p := range giq.order {
p(selector)
}
if offset := giq.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 := giq.limit; limit != nil {
selector.Limit(*limit)
}
return selector
}
// GroupInfoGroupBy is the builder for group-by GroupInfo entities.
type GroupInfoGroupBy struct {
config
fields []string
fns []Aggregate
// intermediate query.
sql *sql.Selector
}
// Aggregate adds the given aggregation functions to the group-by query.
func (gigb *GroupInfoGroupBy) Aggregate(fns ...Aggregate) *GroupInfoGroupBy {
gigb.fns = append(gigb.fns, fns...)
return gigb
}
// Scan applies the group-by query and scan the result into the given value.
func (gigb *GroupInfoGroupBy) Scan(ctx context.Context, v interface{}) error {
return gigb.sqlScan(ctx, v)
}
// ScanX is like Scan, but panics if an error occurs.
func (gigb *GroupInfoGroupBy) ScanX(ctx context.Context, v interface{}) {
if err := gigb.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 (gigb *GroupInfoGroupBy) Strings(ctx context.Context) ([]string, error) {
if len(gigb.fields) > 1 {
return nil, errors.New("ent: GroupInfoGroupBy.Strings is not achievable when grouping more than 1 field")
}
var v []string
if err := gigb.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// StringsX is like Strings, but panics if an error occurs.
func (gigb *GroupInfoGroupBy) StringsX(ctx context.Context) []string {
v, err := gigb.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 (gigb *GroupInfoGroupBy) Ints(ctx context.Context) ([]int, error) {
if len(gigb.fields) > 1 {
return nil, errors.New("ent: GroupInfoGroupBy.Ints is not achievable when grouping more than 1 field")
}
var v []int
if err := gigb.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// IntsX is like Ints, but panics if an error occurs.
func (gigb *GroupInfoGroupBy) IntsX(ctx context.Context) []int {
v, err := gigb.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 (gigb *GroupInfoGroupBy) Float64s(ctx context.Context) ([]float64, error) {
if len(gigb.fields) > 1 {
return nil, errors.New("ent: GroupInfoGroupBy.Float64s is not achievable when grouping more than 1 field")
}
var v []float64
if err := gigb.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// Float64sX is like Float64s, but panics if an error occurs.
func (gigb *GroupInfoGroupBy) Float64sX(ctx context.Context) []float64 {
v, err := gigb.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 (gigb *GroupInfoGroupBy) Bools(ctx context.Context) ([]bool, error) {
if len(gigb.fields) > 1 {
return nil, errors.New("ent: GroupInfoGroupBy.Bools is not achievable when grouping more than 1 field")
}
var v []bool
if err := gigb.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// BoolsX is like Bools, but panics if an error occurs.
func (gigb *GroupInfoGroupBy) BoolsX(ctx context.Context) []bool {
v, err := gigb.Bools(ctx)
if err != nil {
panic(err)
}
return v
}
func (gigb *GroupInfoGroupBy) sqlScan(ctx context.Context, v interface{}) error {
rows := &sql.Rows{}
query, args := gigb.sqlQuery().Query()
if err := gigb.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}
func (gigb *GroupInfoGroupBy) sqlQuery() *sql.Selector {
selector := gigb.sql
columns := make([]string, 0, len(gigb.fields)+len(gigb.fns))
columns = append(columns, gigb.fields...)
for _, fn := range gigb.fns {
columns = append(columns, fn(selector))
}
return selector.Select(columns...).GroupBy(gigb.fields...)
}
// GroupInfoSelect is the builder for select fields of GroupInfo entities.
type GroupInfoSelect struct {
config
fields []string
// intermediate queries.
sql *sql.Selector
}
// Scan applies the selector query and scan the result into the given value.
func (gis *GroupInfoSelect) Scan(ctx context.Context, v interface{}) error {
return gis.sqlScan(ctx, v)
}
// ScanX is like Scan, but panics if an error occurs.
func (gis *GroupInfoSelect) ScanX(ctx context.Context, v interface{}) {
if err := gis.Scan(ctx, v); err != nil {
panic(err)
}
}
// Strings returns list of strings from selector. It is only allowed when selecting one field.
func (gis *GroupInfoSelect) Strings(ctx context.Context) ([]string, error) {
if len(gis.fields) > 1 {
return nil, errors.New("ent: GroupInfoSelect.Strings is not achievable when selecting more than 1 field")
}
var v []string
if err := gis.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// StringsX is like Strings, but panics if an error occurs.
func (gis *GroupInfoSelect) StringsX(ctx context.Context) []string {
v, err := gis.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 (gis *GroupInfoSelect) Ints(ctx context.Context) ([]int, error) {
if len(gis.fields) > 1 {
return nil, errors.New("ent: GroupInfoSelect.Ints is not achievable when selecting more than 1 field")
}
var v []int
if err := gis.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// IntsX is like Ints, but panics if an error occurs.
func (gis *GroupInfoSelect) IntsX(ctx context.Context) []int {
v, err := gis.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 (gis *GroupInfoSelect) Float64s(ctx context.Context) ([]float64, error) {
if len(gis.fields) > 1 {
return nil, errors.New("ent: GroupInfoSelect.Float64s is not achievable when selecting more than 1 field")
}
var v []float64
if err := gis.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// Float64sX is like Float64s, but panics if an error occurs.
func (gis *GroupInfoSelect) Float64sX(ctx context.Context) []float64 {
v, err := gis.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 (gis *GroupInfoSelect) Bools(ctx context.Context) ([]bool, error) {
if len(gis.fields) > 1 {
return nil, errors.New("ent: GroupInfoSelect.Bools is not achievable when selecting more than 1 field")
}
var v []bool
if err := gis.Scan(ctx, &v); err != nil {
return nil, err
}
return v, nil
}
// BoolsX is like Bools, but panics if an error occurs.
func (gis *GroupInfoSelect) BoolsX(ctx context.Context) []bool {
v, err := gis.Bools(ctx)
if err != nil {
panic(err)
}
return v
}
func (gis *GroupInfoSelect) sqlScan(ctx context.Context, v interface{}) error {
rows := &sql.Rows{}
query, args := gis.sqlQuery().Query()
if err := gis.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}
func (gis *GroupInfoSelect) sqlQuery() sql.Querier {
view := "groupinfo_view"
return sql.Dialect(gis.driver.Dialect()).
Select(gis.fields...).From(gis.sql.As(view))
}
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