1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
{{/*
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.
*/}}
{{ define "dialect/sql/create" }}
{{ $builder := pascal $.Scope.Builder }}
{{ $receiver := receiver $builder }}
{{ $mutation := print $receiver ".mutation" }}
func ({{ $receiver }} *{{ $builder }}) sqlSave(ctx context.Context) (*{{ $.Name }}, error) {
_node, _spec := {{ $receiver }}.createSpec()
if err := sqlgraph.CreateNode(ctx, {{ $receiver }}.driver, _spec); err != nil {
if cerr, ok := isSQLConstraintError(err); ok {
err = cerr
}
return nil, err
}
{{- if and $.ID.UserDefined (or $.ID.IsString $.ID.IsUUID) }}
{{- /* Do nothing, because these 2 types must be supplied by the user. */ -}}
{{- else }}
{{- if $.ID.UserDefined }}
if _node.ID == 0 {
{{- end }}
id := _spec.ID.Value.(int64)
_node.ID = {{ $.ID.Type }}(id)
{{- if $.ID.UserDefined }}
}
{{- end }}
{{- end }}
return _node, nil
}
func ({{ $receiver }} *{{ $builder }}) createSpec() (*{{ $.Name }}, *sqlgraph.CreateSpec) {
var (
_node = &{{ $.Name }}{config: {{ $receiver }}.config}
_spec = &sqlgraph.CreateSpec{
Table: {{ $.Package }}.Table,
ID: &sqlgraph.FieldSpec{
Type: field.{{ $.ID.Type.ConstName }},
Column: {{ $.Package }}.{{ $.ID.Constant }},
},
}
)
{{- if $.ID.UserDefined }}
if id, ok := {{ $mutation }}.{{ $.ID.MutationGet }}(); ok {
_node.ID = id
_spec.ID.Value = id
}
{{- end }}
{{- range $f := $.Fields }}
if value, ok := {{ $mutation }}.{{ $f.MutationGet }}(); ok {
_spec.Fields = append(_spec.Fields, &sqlgraph.FieldSpec{
Type: field.{{ $f.Type.ConstName }},
Value: value,
Column: {{ $.Package }}.{{ $f.Constant }},
})
_node.{{ $f.StructField }} = {{ if $f.Nillable }}&{{ end }}value
}
{{- end }}
{{- range $e := $.Edges }}
if nodes := {{ $mutation }}.{{ $e.StructField }}IDs(); len(nodes) > 0 {
{{- with extend $ "Edge" $e "Nodes" true "Zero" "nil" }}
{{ template "dialect/sql/defedge" . }}{{/* defined in sql/update.tmpl */}}
{{- end }}
_spec.Edges = append(_spec.Edges, edge)
}
{{- end }}
return _node, _spec
}
{{ end }}
{{ define "dialect/sql/create_bulk" }}
{{ $builder := pascal $.Scope.Builder }}
{{ $receiver := receiver $builder }}
// Save creates the {{ $.Name }} entities in the database.
func ({{ $receiver }} *{{ $builder }}) Save(ctx context.Context) ([]*{{ $.Name }}, error) {
specs := make([]*sqlgraph.CreateSpec, len({{ $receiver }}.builders))
nodes := make([]*{{ $.Name }}, len({{ $receiver }}.builders))
mutators := make([]Mutator, len({{ $receiver }}.builders))
for i := range {{ $receiver }}.builders {
func(i int, root context.Context) {
builder := {{ $receiver }}.builders[i]
{{- if $.HasDefault }}
builder.defaults()
{{- end }}
var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
mutation, ok := m.(*{{ $.MutationName }})
if !ok {
return nil, fmt.Errorf("unexpected mutation type %T", m)
}
if err := builder.check(); err != nil {
return nil, err
}
builder.mutation = mutation
nodes[i], specs[i] = builder.createSpec()
var err error
if i < len(mutators)-1 {
_, err = mutators[i+1].Mutate(root, {{ $receiver }}.builders[i+1].mutation)
} else {
// Invoke the actual operation on the latest mutation in the chain.
if err = sqlgraph.BatchCreate(ctx, {{ $receiver }}.driver, &sqlgraph.BatchCreateSpec{Nodes: specs}); err != nil {
if cerr, ok := isSQLConstraintError(err); ok {
err = cerr
}
}
}
mutation.done = true
if err != nil {
return nil, err
}
{{- if and $.ID.UserDefined (or $.ID.IsString $.ID.IsUUID) }}
{{- /* Do nothing, because these 2 types must be supplied by the user. */ -}}
{{- else }}
{{- if $.ID.UserDefined }}
if nodes[i].ID == 0 {
{{- end }}
id := specs[i].ID.Value.(int64)
nodes[i].ID = {{ $.ID.Type }}(id)
{{- if $.ID.UserDefined }}
}
{{- end }}
{{- end }}
return nodes[i], nil
})
for i := len(builder.hooks) - 1; i >= 0; i-- {
mut = builder.hooks[i](mut)
}
mutators[i] = mut
}(i, ctx)
}
if len(mutators) > 0 {
if _, err := mutators[0].Mutate(ctx, {{ $receiver }}.builders[0].mutation); err != nil {
return nil, err
}
}
return nodes, nil
}
// SaveX is like Save, but panics if an error occurs.
func ({{ $receiver }} *{{ $builder }}) SaveX(ctx context.Context) []*{{ $.Name }} {
v, err := {{ $receiver }}.Save(ctx)
if err != nil {
panic(err)
}
return v
}
{{ end }}
|
