// Copyright 2019-present Facebook Inc. 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 entv2 import ( "context" "errors" "fmt" "math" "entgo.io/ent/dialect/sql" "entgo.io/ent/dialect/sql/sqlgraph" "entgo.io/ent/entc/integration/migrate/entv2/conversion" "entgo.io/ent/entc/integration/migrate/entv2/predicate" "entgo.io/ent/schema/field" ) // ConversionQuery is the builder for querying Conversion entities. type ConversionQuery struct { config limit *int offset *int unique *bool order []OrderFunc fields []string predicates []predicate.Conversion // intermediate query (i.e. traversal path). sql *sql.Selector path func(context.Context) (*sql.Selector, error) } // Where adds a new predicate for the ConversionQuery builder. func (cq *ConversionQuery) Where(ps ...predicate.Conversion) *ConversionQuery { cq.predicates = append(cq.predicates, ps...) return cq } // Limit adds a limit step to the query. func (cq *ConversionQuery) Limit(limit int) *ConversionQuery { cq.limit = &limit return cq } // Offset adds an offset step to the query. func (cq *ConversionQuery) Offset(offset int) *ConversionQuery { cq.offset = &offset return cq } // 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 (cq *ConversionQuery) Unique(unique bool) *ConversionQuery { cq.unique = &unique return cq } // Order adds an order step to the query. func (cq *ConversionQuery) Order(o ...OrderFunc) *ConversionQuery { cq.order = append(cq.order, o...) return cq } // First returns the first Conversion entity from the query. // Returns a *NotFoundError when no Conversion was found. func (cq *ConversionQuery) First(ctx context.Context) (*Conversion, error) { nodes, err := cq.Limit(1).All(ctx) if err != nil { return nil, err } if len(nodes) == 0 { return nil, &NotFoundError{conversion.Label} } return nodes[0], nil } // FirstX is like First, but panics if an error occurs. func (cq *ConversionQuery) FirstX(ctx context.Context) *Conversion { node, err := cq.First(ctx) if err != nil && !IsNotFound(err) { panic(err) } return node } // FirstID returns the first Conversion ID from the query. // Returns a *NotFoundError when no Conversion ID was found. func (cq *ConversionQuery) FirstID(ctx context.Context) (id int, err error) { var ids []int if ids, err = cq.Limit(1).IDs(ctx); err != nil { return } if len(ids) == 0 { err = &NotFoundError{conversion.Label} return } return ids[0], nil } // FirstIDX is like FirstID, but panics if an error occurs. func (cq *ConversionQuery) FirstIDX(ctx context.Context) int { id, err := cq.FirstID(ctx) if err != nil && !IsNotFound(err) { panic(err) } return id } // Only returns a single Conversion entity found by the query, ensuring it only returns one. // Returns a *NotSingularError when exactly one Conversion entity is not found. // Returns a *NotFoundError when no Conversion entities are found. func (cq *ConversionQuery) Only(ctx context.Context) (*Conversion, error) { nodes, err := cq.Limit(2).All(ctx) if err != nil { return nil, err } switch len(nodes) { case 1: return nodes[0], nil case 0: return nil, &NotFoundError{conversion.Label} default: return nil, &NotSingularError{conversion.Label} } } // OnlyX is like Only, but panics if an error occurs. func (cq *ConversionQuery) OnlyX(ctx context.Context) *Conversion { node, err := cq.Only(ctx) if err != nil { panic(err) } return node } // OnlyID is like Only, but returns the only Conversion ID in the query. // Returns a *NotSingularError when exactly one Conversion ID is not found. // Returns a *NotFoundError when no entities are found. func (cq *ConversionQuery) OnlyID(ctx context.Context) (id int, err error) { var ids []int if ids, err = cq.Limit(2).IDs(ctx); err != nil { return } switch len(ids) { case 1: id = ids[0] case 0: err = &NotFoundError{conversion.Label} default: err = &NotSingularError{conversion.Label} } return } // OnlyIDX is like OnlyID, but panics if an error occurs. func (cq *ConversionQuery) OnlyIDX(ctx context.Context) int { id, err := cq.OnlyID(ctx) if err != nil { panic(err) } return id } // All executes the query and returns a list of Conversions. func (cq *ConversionQuery) All(ctx context.Context) ([]*Conversion, error) { if err := cq.prepareQuery(ctx); err != nil { return nil, err } return cq.sqlAll(ctx) } // AllX is like All, but panics if an error occurs. func (cq *ConversionQuery) AllX(ctx context.Context) []*Conversion { nodes, err := cq.All(ctx) if err != nil { panic(err) } return nodes } // IDs executes the query and returns a list of Conversion IDs. func (cq *ConversionQuery) IDs(ctx context.Context) ([]int, error) { var ids []int if err := cq.Select(conversion.FieldID).Scan(ctx, &ids); err != nil { return nil, err } return ids, nil } // IDsX is like IDs, but panics if an error occurs. func (cq *ConversionQuery) IDsX(ctx context.Context) []int { ids, err := cq.IDs(ctx) if err != nil { panic(err) } return ids } // Count returns the count of the given query. func (cq *ConversionQuery) Count(ctx context.Context) (int, error) { if err := cq.prepareQuery(ctx); err != nil { return 0, err } return cq.sqlCount(ctx) } // CountX is like Count, but panics if an error occurs. func (cq *ConversionQuery) CountX(ctx context.Context) int { count, err := cq.Count(ctx) if err != nil { panic(err) } return count } // Exist returns true if the query has elements in the graph. func (cq *ConversionQuery) Exist(ctx context.Context) (bool, error) { if err := cq.prepareQuery(ctx); err != nil { return false, err } return cq.sqlExist(ctx) } // ExistX is like Exist, but panics if an error occurs. func (cq *ConversionQuery) ExistX(ctx context.Context) bool { exist, err := cq.Exist(ctx) if err != nil { panic(err) } return exist } // Clone returns a duplicate of the ConversionQuery builder, including all associated steps. It can be // used to prepare common query builders and use them differently after the clone is made. func (cq *ConversionQuery) Clone() *ConversionQuery { if cq == nil { return nil } return &ConversionQuery{ config: cq.config, limit: cq.limit, offset: cq.offset, order: append([]OrderFunc{}, cq.order...), predicates: append([]predicate.Conversion{}, cq.predicates...), // clone intermediate query. sql: cq.sql.Clone(), path: cq.path, } } // 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 { // Name string `json:"name,omitempty"` // Count int `json:"count,omitempty"` // } // // client.Conversion.Query(). // GroupBy(conversion.FieldName). // Aggregate(entv2.Count()). // Scan(ctx, &v) // func (cq *ConversionQuery) GroupBy(field string, fields ...string) *ConversionGroupBy { group := &ConversionGroupBy{config: cq.config} group.fields = append([]string{field}, fields...) group.path = func(ctx context.Context) (prev *sql.Selector, err error) { if err := cq.prepareQuery(ctx); err != nil { return nil, err } return cq.sqlQuery(ctx), nil } return group } // 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 { // Name string `json:"name,omitempty"` // } // // client.Conversion.Query(). // Select(conversion.FieldName). // Scan(ctx, &v) // func (cq *ConversionQuery) Select(field string, fields ...string) *ConversionSelect { cq.fields = append([]string{field}, fields...) return &ConversionSelect{ConversionQuery: cq} } func (cq *ConversionQuery) prepareQuery(ctx context.Context) error { for _, f := range cq.fields { if !conversion.ValidColumn(f) { return &ValidationError{Name: f, err: fmt.Errorf("entv2: invalid field %q for query", f)} } } if cq.path != nil { prev, err := cq.path(ctx) if err != nil { return err } cq.sql = prev } return nil } func (cq *ConversionQuery) sqlAll(ctx context.Context) ([]*Conversion, error) { var ( nodes = []*Conversion{} _spec = cq.querySpec() ) _spec.ScanValues = func(columns []string) ([]interface{}, error) { node := &Conversion{config: cq.config} nodes = append(nodes, node) return node.scanValues(columns) } _spec.Assign = func(columns []string, values []interface{}) error { if len(nodes) == 0 { return fmt.Errorf("entv2: Assign called without calling ScanValues") } node := nodes[len(nodes)-1] return node.assignValues(columns, values) } if err := sqlgraph.QueryNodes(ctx, cq.driver, _spec); err != nil { return nil, err } if len(nodes) == 0 { return nodes, nil } return nodes, nil } func (cq *ConversionQuery) sqlCount(ctx context.Context) (int, error) { _spec := cq.querySpec() return sqlgraph.CountNodes(ctx, cq.driver, _spec) } func (cq *ConversionQuery) sqlExist(ctx context.Context) (bool, error) { n, err := cq.sqlCount(ctx) if err != nil { return false, fmt.Errorf("entv2: check existence: %w", err) } return n > 0, nil } func (cq *ConversionQuery) querySpec() *sqlgraph.QuerySpec { _spec := &sqlgraph.QuerySpec{ Node: &sqlgraph.NodeSpec{ Table: conversion.Table, Columns: conversion.Columns, ID: &sqlgraph.FieldSpec{ Type: field.TypeInt, Column: conversion.FieldID, }, }, From: cq.sql, Unique: true, } if unique := cq.unique; unique != nil { _spec.Unique = *unique } if fields := cq.fields; len(fields) > 0 { _spec.Node.Columns = make([]string, 0, len(fields)) _spec.Node.Columns = append(_spec.Node.Columns, conversion.FieldID) for i := range fields { if fields[i] != conversion.FieldID { _spec.Node.Columns = append(_spec.Node.Columns, fields[i]) } } } if ps := cq.predicates; len(ps) > 0 { _spec.Predicate = func(selector *sql.Selector) { for i := range ps { ps[i](selector) } } } if limit := cq.limit; limit != nil { _spec.Limit = *limit } if offset := cq.offset; offset != nil { _spec.Offset = *offset } if ps := cq.order; len(ps) > 0 { _spec.Order = func(selector *sql.Selector) { for i := range ps { ps[i](selector) } } } return _spec } func (cq *ConversionQuery) sqlQuery(ctx context.Context) *sql.Selector { builder := sql.Dialect(cq.driver.Dialect()) t1 := builder.Table(conversion.Table) selector := builder.Select(t1.Columns(conversion.Columns...)...).From(t1) if cq.sql != nil { selector = cq.sql selector.Select(selector.Columns(conversion.Columns...)...) } for _, p := range cq.predicates { p(selector) } for _, p := range cq.order { p(selector) } if offset := cq.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 := cq.limit; limit != nil { selector.Limit(*limit) } return selector } // ConversionGroupBy is the group-by builder for Conversion entities. type ConversionGroupBy 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 (cgb *ConversionGroupBy) Aggregate(fns ...AggregateFunc) *ConversionGroupBy { cgb.fns = append(cgb.fns, fns...) return cgb } // Scan applies the group-by query and scans the result into the given value. func (cgb *ConversionGroupBy) Scan(ctx context.Context, v interface{}) error { query, err := cgb.path(ctx) if err != nil { return err } cgb.sql = query return cgb.sqlScan(ctx, v) } // ScanX is like Scan, but panics if an error occurs. func (cgb *ConversionGroupBy) ScanX(ctx context.Context, v interface{}) { if err := cgb.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 (cgb *ConversionGroupBy) Strings(ctx context.Context) ([]string, error) { if len(cgb.fields) > 1 { return nil, errors.New("entv2: ConversionGroupBy.Strings is not achievable when grouping more than 1 field") } var v []string if err := cgb.Scan(ctx, &v); err != nil { return nil, err } return v, nil } // StringsX is like Strings, but panics if an error occurs. func (cgb *ConversionGroupBy) StringsX(ctx context.Context) []string { v, err := cgb.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 (cgb *ConversionGroupBy) String(ctx context.Context) (_ string, err error) { var v []string if v, err = cgb.Strings(ctx); err != nil { return } switch len(v) { case 1: return v[0], nil case 0: err = &NotFoundError{conversion.Label} default: err = fmt.Errorf("entv2: ConversionGroupBy.Strings returned %d results when one was expected", len(v)) } return } // StringX is like String, but panics if an error occurs. func (cgb *ConversionGroupBy) StringX(ctx context.Context) string { v, err := cgb.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 (cgb *ConversionGroupBy) Ints(ctx context.Context) ([]int, error) { if len(cgb.fields) > 1 { return nil, errors.New("entv2: ConversionGroupBy.Ints is not achievable when grouping more than 1 field") } var v []int if err := cgb.Scan(ctx, &v); err != nil { return nil, err } return v, nil } // IntsX is like Ints, but panics if an error occurs. func (cgb *ConversionGroupBy) IntsX(ctx context.Context) []int { v, err := cgb.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 (cgb *ConversionGroupBy) Int(ctx context.Context) (_ int, err error) { var v []int if v, err = cgb.Ints(ctx); err != nil { return } switch len(v) { case 1: return v[0], nil case 0: err = &NotFoundError{conversion.Label} default: err = fmt.Errorf("entv2: ConversionGroupBy.Ints returned %d results when one was expected", len(v)) } return } // IntX is like Int, but panics if an error occurs. func (cgb *ConversionGroupBy) IntX(ctx context.Context) int { v, err := cgb.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 (cgb *ConversionGroupBy) Float64s(ctx context.Context) ([]float64, error) { if len(cgb.fields) > 1 { return nil, errors.New("entv2: ConversionGroupBy.Float64s is not achievable when grouping more than 1 field") } var v []float64 if err := cgb.Scan(ctx, &v); err != nil { return nil, err } return v, nil } // Float64sX is like Float64s, but panics if an error occurs. func (cgb *ConversionGroupBy) Float64sX(ctx context.Context) []float64 { v, err := cgb.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 (cgb *ConversionGroupBy) Float64(ctx context.Context) (_ float64, err error) { var v []float64 if v, err = cgb.Float64s(ctx); err != nil { return } switch len(v) { case 1: return v[0], nil case 0: err = &NotFoundError{conversion.Label} default: err = fmt.Errorf("entv2: ConversionGroupBy.Float64s returned %d results when one was expected", len(v)) } return } // Float64X is like Float64, but panics if an error occurs. func (cgb *ConversionGroupBy) Float64X(ctx context.Context) float64 { v, err := cgb.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 (cgb *ConversionGroupBy) Bools(ctx context.Context) ([]bool, error) { if len(cgb.fields) > 1 { return nil, errors.New("entv2: ConversionGroupBy.Bools is not achievable when grouping more than 1 field") } var v []bool if err := cgb.Scan(ctx, &v); err != nil { return nil, err } return v, nil } // BoolsX is like Bools, but panics if an error occurs. func (cgb *ConversionGroupBy) BoolsX(ctx context.Context) []bool { v, err := cgb.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 (cgb *ConversionGroupBy) Bool(ctx context.Context) (_ bool, err error) { var v []bool if v, err = cgb.Bools(ctx); err != nil { return } switch len(v) { case 1: return v[0], nil case 0: err = &NotFoundError{conversion.Label} default: err = fmt.Errorf("entv2: ConversionGroupBy.Bools returned %d results when one was expected", len(v)) } return } // BoolX is like Bool, but panics if an error occurs. func (cgb *ConversionGroupBy) BoolX(ctx context.Context) bool { v, err := cgb.Bool(ctx) if err != nil { panic(err) } return v } func (cgb *ConversionGroupBy) sqlScan(ctx context.Context, v interface{}) error { for _, f := range cgb.fields { if !conversion.ValidColumn(f) { return &ValidationError{Name: f, err: fmt.Errorf("invalid field %q for group-by", f)} } } selector := cgb.sqlQuery() if err := selector.Err(); err != nil { return err } rows := &sql.Rows{} query, args := selector.Query() if err := cgb.driver.Query(ctx, query, args, rows); err != nil { return err } defer rows.Close() return sql.ScanSlice(rows, v) } func (cgb *ConversionGroupBy) sqlQuery() *sql.Selector { selector := cgb.sql.Select() aggregation := make([]string, 0, len(cgb.fns)) for _, fn := range cgb.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(cgb.fields)+len(cgb.fns)) for _, f := range cgb.fields { columns = append(columns, selector.C(f)) } for _, c := range aggregation { columns = append(columns, c) } selector.Select(columns...) } return selector.GroupBy(selector.Columns(cgb.fields...)...) } // ConversionSelect is the builder for selecting fields of Conversion entities. type ConversionSelect struct { *ConversionQuery // intermediate query (i.e. traversal path). sql *sql.Selector } // Scan applies the selector query and scans the result into the given value. func (cs *ConversionSelect) Scan(ctx context.Context, v interface{}) error { if err := cs.prepareQuery(ctx); err != nil { return err } cs.sql = cs.ConversionQuery.sqlQuery(ctx) return cs.sqlScan(ctx, v) } // ScanX is like Scan, but panics if an error occurs. func (cs *ConversionSelect) ScanX(ctx context.Context, v interface{}) { if err := cs.Scan(ctx, v); err != nil { panic(err) } } // Strings returns list of strings from a selector. It is only allowed when selecting one field. func (cs *ConversionSelect) Strings(ctx context.Context) ([]string, error) { if len(cs.fields) > 1 { return nil, errors.New("entv2: ConversionSelect.Strings is not achievable when selecting more than 1 field") } var v []string if err := cs.Scan(ctx, &v); err != nil { return nil, err } return v, nil } // StringsX is like Strings, but panics if an error occurs. func (cs *ConversionSelect) StringsX(ctx context.Context) []string { v, err := cs.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 (cs *ConversionSelect) String(ctx context.Context) (_ string, err error) { var v []string if v, err = cs.Strings(ctx); err != nil { return } switch len(v) { case 1: return v[0], nil case 0: err = &NotFoundError{conversion.Label} default: err = fmt.Errorf("entv2: ConversionSelect.Strings returned %d results when one was expected", len(v)) } return } // StringX is like String, but panics if an error occurs. func (cs *ConversionSelect) StringX(ctx context.Context) string { v, err := cs.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 (cs *ConversionSelect) Ints(ctx context.Context) ([]int, error) { if len(cs.fields) > 1 { return nil, errors.New("entv2: ConversionSelect.Ints is not achievable when selecting more than 1 field") } var v []int if err := cs.Scan(ctx, &v); err != nil { return nil, err } return v, nil } // IntsX is like Ints, but panics if an error occurs. func (cs *ConversionSelect) IntsX(ctx context.Context) []int { v, err := cs.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 (cs *ConversionSelect) Int(ctx context.Context) (_ int, err error) { var v []int if v, err = cs.Ints(ctx); err != nil { return } switch len(v) { case 1: return v[0], nil case 0: err = &NotFoundError{conversion.Label} default: err = fmt.Errorf("entv2: ConversionSelect.Ints returned %d results when one was expected", len(v)) } return } // IntX is like Int, but panics if an error occurs. func (cs *ConversionSelect) IntX(ctx context.Context) int { v, err := cs.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 (cs *ConversionSelect) Float64s(ctx context.Context) ([]float64, error) { if len(cs.fields) > 1 { return nil, errors.New("entv2: ConversionSelect.Float64s is not achievable when selecting more than 1 field") } var v []float64 if err := cs.Scan(ctx, &v); err != nil { return nil, err } return v, nil } // Float64sX is like Float64s, but panics if an error occurs. func (cs *ConversionSelect) Float64sX(ctx context.Context) []float64 { v, err := cs.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 (cs *ConversionSelect) Float64(ctx context.Context) (_ float64, err error) { var v []float64 if v, err = cs.Float64s(ctx); err != nil { return } switch len(v) { case 1: return v[0], nil case 0: err = &NotFoundError{conversion.Label} default: err = fmt.Errorf("entv2: ConversionSelect.Float64s returned %d results when one was expected", len(v)) } return } // Float64X is like Float64, but panics if an error occurs. func (cs *ConversionSelect) Float64X(ctx context.Context) float64 { v, err := cs.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 (cs *ConversionSelect) Bools(ctx context.Context) ([]bool, error) { if len(cs.fields) > 1 { return nil, errors.New("entv2: ConversionSelect.Bools is not achievable when selecting more than 1 field") } var v []bool if err := cs.Scan(ctx, &v); err != nil { return nil, err } return v, nil } // BoolsX is like Bools, but panics if an error occurs. func (cs *ConversionSelect) BoolsX(ctx context.Context) []bool { v, err := cs.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 (cs *ConversionSelect) Bool(ctx context.Context) (_ bool, err error) { var v []bool if v, err = cs.Bools(ctx); err != nil { return } switch len(v) { case 1: return v[0], nil case 0: err = &NotFoundError{conversion.Label} default: err = fmt.Errorf("entv2: ConversionSelect.Bools returned %d results when one was expected", len(v)) } return } // BoolX is like Bool, but panics if an error occurs. func (cs *ConversionSelect) BoolX(ctx context.Context) bool { v, err := cs.Bool(ctx) if err != nil { panic(err) } return v } func (cs *ConversionSelect) sqlScan(ctx context.Context, v interface{}) error { rows := &sql.Rows{} query, args := cs.sqlQuery().Query() if err := cs.driver.Query(ctx, query, args, rows); err != nil { return err } defer rows.Close() return sql.ScanSlice(rows, v) } func (cs *ConversionSelect) sqlQuery() sql.Querier { selector := cs.sql selector.Select(selector.Columns(cs.fields...)...) return selector }